The purpose of the present disclosure is to provide: an adhesive sheet for a printed wiring board, which realizes printed wiring having stable impedance characteristics, has no generation of puddling, is excellent in thermal cycle resistance, enables formation of an opening with good appearance during laser machining and drilling, and has high adhesion of a base material during lamination; a metal-clad laminate using the sheet; a printed wiring board; and an electronic device. Said problem is solved by an adhesive sheet for a printed wiring board, which has a release film laminated on at least one surface of an adhesive layer, and in which the adhesive layer contains 5-15,000 ppm of toluene on a mass basis, and is used as a member for interlayer adhesion of the printed wiring board.
Provided is an adhesive composition containing: an acrylic polymer (A) which is a copolymer of a monomer mixture containing a hydroxyl group-containing monomer (a1); and a curing agent (B), wherein the adhesive composition contains 5-50 mass% of the hydroxyl group-containing monomer (a1), 20-80 mass% of an alkyl acrylate ester monomer (a2) having an alkyl group with 4-8 carbon atoms, and 15-65 mass% of methyl acrylate (a3) in 100 mass% of the monomer mixture, the weight average molecular weight of the acrylic polymer (A) is 400,000-1,200,000, the weight average molecular weight of the curing agent (B) is 3,000-20,000, and the average number of functional groups of the curing agent (B) is 1.8-2.5 inclusive.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
4.
ADHESIVE SHEET FOR FLEXIBLE DISPLAY, LAMINATE FOR FLEXIBLE DISPLAY, AND FLEXIBLE DISPLAY
Provided are: an adhesive sheet for a flexible display, the adhesive sheet having excellent adhesiveness to a colorless polyimide of a low-polar adherend, dynamic flexibility, static flexibility under high-temperature and high-humidity conditions, holding force, and transparency; a laminate thereof; and a flexible display. This adhesive sheet for a flexible display comprises an adhesive layer containing a (meth)acrylic random copolymer, a (meth)acrylic triblock copolymer, and a crosslinking agent, wherein: the (meth)acrylic triblock copolymer has a (A1)-(B)-(A2) block structure having a specific Tg and the content thereof is 5-30 parts by mass with respect to 100 parts by mass of the (meth)acrylic random copolymer; and the adhesive layer has a storage elastic modulus of at most 1.0×106Pa at -20º and 1 Hz, a storage elastic modulus of at least 5.0×103 Pa at 60º and 1 Hz, and a haze of at most 1%.
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/04 - Homopolymères ou copolymères d'esters
C09J 153/00 - Adhésifs à base de copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carboneAdhésifs à base de dérivés de tels polymères
G09F 9/00 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels
The problem of the present invention is solved by an adhesive comprising a specific acrylic copolymer (A), an isocyanate compound (B), and a metal chelate compound (C), the adhesive after curing satisfying all of (1) to (3). (1) 3.0 × 104Pa < G'(-20) < 4.0 × 105 Pa; (2) 5 < G'(-20)/G'(200) < 17; (3) 2 < tanδ (-20)/tanδ (200) < 6.5. In the abovementioned formulas, G'(-20) represents the storage elastic modulus at -20°C and 1 Hz, G'(200) represents the storage elastic modulus at 200°C and 1 Hz, tanδ (-20) represents the loss tangent at -20°C and 1 Hz, and tanδ (200) represents the loss tangent at 200°C and 1 Hz, respectively.
G09F 9/00 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels
The purpose of the present disclosure is to provide an adhesive that is suitable for adhering an aluminum substrate and another substrate together, and achieves both high adhesive strength, and cohesive failure of the adhesive and long-term moist heat resistance, without a primer. By using a polyol main agent and a polyisocyanate curing agent in combination, said polyol main agent including a polyol, a phosphoric acid compound, and a monoalcohol, when the adhesive is used, adhesion to aluminum is ensured due to the phosphoric acid compound, and the adhesive strength is improved. Additionally, by using the monoalcohol to adjust the degree of crosslinking in a coating film, a starting point for cohesive failure of the adhesive is created, whereby stable adhesive strength can be demonstrated.
A binder for a non-aqueous secondary battery separator to form a non-aqueous secondary battery separator excellent in flexibility, etc. is provided. An electricity storage device having excellent long-term storage stability etc. is also provided. The binder for a non-aqueous secondary battery separator includes a polymer (A) of a monomer mixture including a monomer having an acidic functional group, a monomer having an amide group, and an alkyl (meth)acrylate monomer, and a condensation product of a silane compound, and has a glass transition temperature of −60° C. to 60° C. The electricity storage device has a separator substrate provided with at least one protective layer between a pair of electrodes, in which the protective layer includes a polymer of an ethylenically unsaturated monomer, and a silane compound, and the silane compound has no ethylenically unsaturated group but has an alkyl group having 3 to 12 carbon atoms.
Provided is an adhesive composition comprising an acrylic polymer (A) and a curing agent (B), wherein: the acrylic polymer (A) is a copolymer of a monomer mixture containing the following monomer (a1), monomer (a2), monomer (a3), and monomer (a4) and other monomers, and satisfies expression (1); the content of (a2) is 40-95 parts by mass in 100 parts by mass of the monomer mixture; the content of (a3) is at most 10 parts by mass in 100 parts by mass of the monomer mixture; the content of (a4) is 0.1-20 parts by mass in 100 parts by mass of the monomer mixture; the content of the other monomers is at most 15 parts by mass in 100 parts by mass of the monomer mixture; the amount of the curing agent (B) added is 0.01-5 parts by mass with respect to 100 parts by mass of the acrylic polymer (A); and the gel fraction of an adhesive layer composed of the adhesive composition is 55-90%. Here, (a1) is a (meth)acrylic acid ester monomer which has a glass transition temperature of a homopolymer of at least 0ºC and does not have a functional group, (a2) is 2-octyl (meth)acrylate, (a3) is a carboxy group-containing monomer, (a4) is a hydroxy group-containing monomer, and expression (1) is 1,500≤Σ(T2×MA/100)≤38,000, where T is the glass transition temperature (K) of the homopolymer of (a1), and MA is the content (parts by mass) of (a1) in 100 parts by mass of the monomer mixture.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
Provided is an adhesive containing an acrylic polymer (A) which is a copolymer of a monomer mixture, wherein the adhesive contains, in 100 mass% of the monomer mixture, more than 75 mass% and less than 90 mass% of the following monomer (a1) and 0.1 mass% or more and less than 25 mass% of the following monomer (a2), and the content of the following monomer (a3) in 100 mass% of the monomer mixture is less than 25 mass%: (a1) 2-octyl (meth)acrylate; (a2) a monomer having a glass transition temperature of a homopolymer of 0°C or higher (excluding a monomer having a carboxy group and a monomer having a hydroxy group); and (a3) an additional monomer other than the monomer (a1), the monomer (a2), a monomer having a carboxy group and a monomer having a hydroxy group.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C09J 133/04 - Homopolymères ou copolymères d'esters
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
Provided is an adhesive agent that contains an acrylic polymer (A). The acrylic polymer (A) is a copolymer of a monomer mixture that contains a monomer (a1), a monomer (a2), and/or a monomer (a3) and, among monomers which have a carboxy group and monomers which have a hydroxy group, at least a monomer which has a hydroxy group. In 100 mass% of the monomer mixture, the content of the monomer (a1) is not less than 50 mass% but less than 99 mass%, the content of the total of the monomer (a2) and the monomer (a3) is not less than 0.1 mass% but less than 70 mass%, the content of the total of monomers having a carboxy group and monomers having a hydroxy group is 0.5-30 mass%, and the content of monomers having a carboxy group is not more than 0.5 mass%. Here, (a1) is 2-octyl(meth)acrylate, (a2) is a monomer for which a homopolymer has a glass transition temperature of not lower than 0°C (excluding the monomer (a3), monomers having a carboxy group, and monomers having a hydroxy group), and (a3) is isobornyl(meth)acrylate.
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
Provided is an adhesive containing an acrylic polymer (A) which is a copolymer of a monomer mixture, a rosin-based tackifier resin (B1) having a softening point of 120° or more, and a curing agent (C), wherein the content of the rosin-based tackifier resin (B1) is from 10 mass parts to less than 60 mass parts per 100 mass parts of the acrylic polymer (A), the content of a monomer (a1) is from 30 mass% to less than 95 mass%, the content of a monomer (a2) is from 1 mass% to less than 10 mass%, and the content of a monomer (a3) is from 4 mass% to 69 mass% in 100 mass% of the monomer mixture, and the monomer mixture may also contain less than 0.7 mass% of a monomer (a4). Here, (a1) 2-octyl (meth)acrylate, (a2) a monomer having a carboxy group, (a3) a monomer other than monomer (a1), monomer (a2), and monomer (a4), and (a4) a monomer having a hydroxy group.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C09J 133/04 - Homopolymères ou copolymères d'esters
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
The present invention provides an adhesive which contains an acrylic polymer (A) that is a copolymer of a monomer mixture, wherein, in 100% by mass of the monomer mixture, there are contained more than 30% by mass but less than 99.5% by mass of the monomer (a1) described below, and not less than 0.1% by mass but less than 70% by mass of the monomer (a2) and the monomer (a3) described below in total, and there may be additionally contained at least one selected from the group consisting of 30% by mass or less of the monomer (a4) described below and less than 0.5% by mass of a monomer that has a carboxy group. Monomer (a1): 2-octyl (meth)acrylate Monomer (a2): a monomer having a glass transition temperature of a homopolymer of 0°C or higher (excluding the monomer (a3), a monomer having a carboxy group and a monomer having a hydroxy group) Monomer (a3): isobornyl (meth)acrylate Monomer (a4): a monomer other than the monomer (a1), the monomer (a2), the monomer (a3), a monomer having a carboxy group, and a monomer having a hydroxy group.
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
C09J 133/04 - Homopolymères ou copolymères d'esters
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
The present invention provides: a sealing sheet which is excellent in terms of embeddability and seamless properties in cases where an optical semiconductor element is sealed therewith, and which is excellent in terms of embeddability and seamless properties even in cases where the sealing sheet is applied to a display that uses a micro LED as a light source; and a display. Provided is a sealing sheet (1) for sealing an optical semiconductor element (5), the sealing sheet (1) including a protective film and a resin composition layer (2) arranged in this order. The resin composition layer (2) contains 5.3-48.2 parts by mass of metal oxide particles (B) relative to a total of 100 parts by mass of a resin (A), a monomer, and an oligomer. The number average primary particle diameter of the metal oxide particles (B) is 5-50 nm, and the refractive index of the resin composition layer (2) is 1.45-1.65.
C09J 11/04 - Additifs non macromoléculaires inorganiques
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
Provided are: an electronic component coating sheet capable of forming a coating layer of excellent quality that makes it possible to improve breakage and the occurrence of wrinkles while suppressing deviation of a coating position; an electronic component mounting substrate having the coating layer; and a method for producing the electronic component mounting substrate. The problem addressed by the present invention is solved by an electronic component coating sheet (4) for use in TOM molding or the like for forming a coating layer (3) of an electronic component mounting substrate (10) comprising a substrate (1), an electronic component (2), and the coating layer (3), wherein the electronic component coating sheet (4) has (i) a breaking elongation of 800-2000% as measured at a tension speed of 50 mm/min at Tg to Tg+40°C, (ii) a breaking elongation of 500-1500% as measured at a tension speed of 1000 mm/min at Tg to Tg+40°C, and (iii) a piercing strength of 10-200 N/mm per unit film thickness at 23°C as measured by a piercing test conforming to JIS Z1707.
Provided is an adhesive patch having excellent percutaneous absorption of selexipag. The adhesive patch of the present invention is characterized by including a backing and an adhesive layer that is integrally laminated on one surface of the backing and includes selexipag and an acrylic adhesive. In the adhesive layer, selexipag and an acrylic adhesive are used in combination to provide an adhesive patch having excellent percutaneous absorption of selexipag. The adhesive patch can percutaneously administer selexipag as a drug.
One embodiment relates to a method for the separation and recovery of a laminate that includes a step for immersing a laminate provided with at least a polyolefin base material layer and a release layer in contact with the polyolefin base material layer in a release solution containing a surfactant having an HLB value of 7 or more and a defoamer having an HLB value of 1-3, releasing the release layer, and recovering the polyolefin base material, the release layer being a layer including a water-soluble resin or a compound having an acidic group.
Provided are: a sealing sheet having excellent light resistance and embeddability even when applied to a display using a plurality of light-emitting elements as light sources; and a display having the sealing layer. The sealing sheet, which is used for a display using a plurality of light-emitting elements as light sources, comprises a resin composition layer containing a resin (A) and an embeddability improver (B), wherein the resin (A) has a glass transition temperature (Tg) of -30 to 40°C and a weight average molecular weight (Mw) of 10,000 to 1,000,000, the embeddability improver (B) contains a phosphorus-containing compound (B1) and a phenolic hydroxyl group-containing compound (B2), and the thickness Ta of the resin composition layer is 1-100 μm.
One embodiment of the present invention pertains to a packaging material provided with at least a first base material, a primer layer(S), and a printing layer (R) in the stated order, or a packaging material provided with at least the first base material and the printing layer (T) in the stated order. The primer layer(S) and the printing layer (T) are each a layer that is for recycling the first base material by causing the first base material to be separated therefrom and that contains a compound having an acidic group. The printing layer (R) and the printing layer (T) are each a layer that contains a colorant, a dispersant (A), and a binder resin.
B29B 17/02 - Séparation de matières plastiques des autres matières
B29B 17/04 - Désintégration des matières plastiques
B29K 75/00 - Utilisation de polyurées ou de polyuréthanes comme matière de moulage
B29K 105/00 - Présentation, forme ou état de la matière moulée
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/40 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyuréthanes
The present disclosure provides a spraying agent and a resin sheet both having biodegradability, film-forming properties, barrier properties, and durability. The spraying agent (1) according to the present disclosure contains a resin emulsion and is to be used for at least one of aggregation of soil (120), fixation of seeds (110) or plants, and fixation of a chemical, wherein the resin emulsion contains a biodegradable resin containing an ester skeleton and having a minimum film-forming temperature of 30°C or less. The resin sheet according to the present disclosure is formed from a resin composition containing the resin emulsion.
A01G 24/42 - Substrats de cultureMilieux de cultureAppareils ou méthodes à cet effet caractérisés par leur structure de structure granulaire ou agrégée
Provided are: a modified olefin copolymer that has excellent dielectric properties, heat resistance, and crack resistance; a resin composition; a laminated sheet; a prepreg; a cured product; a substrate provided with a cured product; and an electronic device. The present invention is a modified olefin copolymer in which the main chain contains structural units derived from a conjugated diene compound and/or structural units derived from an alicyclic or linear non-conjugated olefin compound, wherein: at least one of the side groups, side chains, and molecular chain ends has a monocyclic structure and/or polycyclic structure; and the ring of the monocyclic structure and/or any ring of the polycyclic structure is at least one of an alicyclic skeleton composed of carbon atoms and an alicyclic skeleton composed of carbon atoms and heteroatoms and has a radical-reactive non-conjugated carbon-carbon unsaturated bond.
C08F 8/00 - Modification chimique par post-traitement
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
C08F 255/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères d'hydrocarbures tels que définis dans le groupe
C08F 287/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères séquencés
C08F 290/04 - Polymères prévus par les sous-classes ou
C08G 59/18 - Macromolécules obtenues par polymérisation à partir de composés contenant plusieurs groupes époxyde par molécule en utilisant des agents de durcissement ou des catalyseurs qui réagissent avec les groupes époxyde
C08J 5/04 - Renforcement des composés macromoléculaires avec des matériaux fibreux en vrac ou en nappes
C08J 5/24 - Imprégnation de matériaux avec des prépolymères pouvant être polymérisés en place, p. ex. fabrication des "prepregs"
C08K 3/013 - Charges, pigments ou agents de renforcement
C08L 23/26 - Compositions contenant des homopolymères ou des copolymères d'hydrocarbures aliphatiques non saturés ne possédant qu'une seule liaison double carbone-carboneCompositions contenant des dérivés de tels polymères modifiées par post-traitement chimique
C08L 53/02 - Compositions contenant des copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères contenant des monomères vinylaromatiques et des diènes conjugués
C08L 63/00 - Compositions contenant des résines époxyCompositions contenant des dérivés des résines époxy
C08L 79/04 - Polycondensats possédant des hétérocycles contenant de l'azote dans la chaîne principalePolyhydrazidesPolyamide-acides ou précurseurs similaires de polyimides
C08L 101/00 - Compositions contenant des composés macromoléculaires non spécifiés
H05K 1/03 - Emploi de matériaux pour réaliser le substrat
21.
ADHESIVE COMPOSITION, ADHESIVE SHEET, LAMINATE, AND DISPLAY COMPRISING LAMINATE
Provided is an adhesive composition that contains: an acrylic polymer (A) that is a copolymer of (a1) a (meth)acrylic acid alkyl ester monomer that has a C1–4 alkyl group, (a2) a (meth)acrylic acid alkyl ester monomer that has a C8–18 straight-chain alkyl group, and (a3) a monomer mixture that contains a specific amount of each of a monomer (a3-1) that has a carboxyl group and a monomer (a3-2) that has a hydroxyl group; and a curing agent (B).
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
A pressure sensitive adhesive composition and a pressure sensitive adhesive sheet which can be made ageless, and have not only sufficient pressure sensitive adhesive properties but also excellent storage stability and can be used stably for a long period even after a curing agent is blended are provided. A pressure sensitive adhesive composition according to a first aspect includes an acrylic polymer (A), a metal chelate compound (B), and a polycarboxylic acid compound (C). The acrylic polymer (A) is a copolymer of a monomer mixture including a monomer (a1) having an acidic group, and a content of the monomer (a1) having the acidic group is 0.01 mass % or more and 20 mass % or less per 100 mass % of the monomer mixture.
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
23.
BINDER DISPERSION FOR NON-AQUEOUS SECONDARY BATTERY SEPARATOR, SLURRY COMPOSITION, NON-AQUEOUS SECONDARY BATTERY SEPARATOR, AND NON-AQUEOUS SECONDARY BATTERY
A binder dispersion having excellent electrolytic solution resistance, a slurry composition having excellent solution stability and coatability, a separator being low in water content and having excellent heat resistance and adhesion to a separator substrate, and a non-aqueous secondary battery having low internal resistance and good cycle characteristics. An object thereof is to be attained by using a binder dispersion for a non-aqueous secondary battery separator, the binder dispersion including a polymer and an aqueous medium, in which the polymer has an acid value of 15 mgKOH/g or less and is an ethylenically unsaturated monomer mixture containing (meth)acrylamide and a nonionic ethylenically unsaturated monomer with a specific value for an octanol/water partition coefficient logarithm (Log Kow) at 25° C., and light transmittance at a wavelength of 400 nm is less than 70% under a condition of a solid concentration of 5% by mass.
C09D 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
C09D 133/26 - Homopolymères ou copolymères de l'acrylamide ou du méthacrylamide
H01M 50/449 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches
24.
ADHESIVE COMPOSITION, ADHESIVE SHEET, MULTILAYER BODY, AND DISPLAY PROVIDED WITH SAID MULTILAYER BODY
The present invention addresses the problem of providing: an adhesive composition which has adhesive force, heat resistance, resistance to wet heat whitening, outgas resistance, light resistance, low dielectric constant and metal corrosion resistance even in cases where a biological material is used therefor; an adhesive sheet which uses this adhesive composition; a multilayer body; and a display. The problem is solved by an adhesive composition which contains: (A) an acrylic polymer that is a copolymer of a monomer mixture that contains specific amounts of (a1) a (meth)acrylate ester monomer having an alicyclic structure (excluding (a3) monomers), (a2) an alkyl (meth)acrylate ester monomer having a linear alkyl group with 8 to 18 carbon atoms, and (a3) a (meth)acrylate ester monomer having a carboxy group and/or a (meth)acrylate ester monomer having a hydroxy group; and (B) a curing agent.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
The present disclosure provides a composition for hard coat layer formation, the composition being substantially solvent-free, having low viscosity and excellent application performance, and exhibiting transparency, antiblocking performance, stain resistance, and scratch resistance.
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
C08F 20/00 - Homopolymères ou copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et un seul étant terminé par un seul radical carboxyle ou un sel, anhydride, ester, amide, imide ou nitrile
C08F 292/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des substances inorganiques
C09D 7/61 - Adjuvants non macromoléculaires inorganiques
C09D 7/63 - Adjuvants non macromoléculaires organiques
26.
ADHESIVE AGENT LAYER, ADHESIVE SHEET USING SAME, LAMINATE, AND FLEXIBLE IMAGE DISPLAY DEVICE
This adhesive agent layer, which is used for flexible image display devices, is formed using an adhesive agent composition containing an acrylic adhesive agent and a curing agent. The adhesive agent composition has a gel fraction of 55% to 90%, demonstrates a storage elastic modulus of 0.1-8 MPa at -30°C, exhibits a deformation α of 100% to 800% as measured by a rheometer with a φ8 mm probe when a strain of 20 kPa is applied for 5 minutes by parallel plates at 25°C, and demonstrates a restoration rate of 70% or more. The restoration rate is obtained by formula (1): (α – β) / α × 100 (where β represents residual deformation after α is measured and 5 minutes and the strain is set to 0 kPa).
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
The disclosure provides a can inner surface coating material for forming a coating film formed on a can inner surface, wherein the coating material suppresses degradation of the contents caused by the coating film, and improves the processability of the coating film. Specifically provided is a can inner surface coating material including a polymer (A) having carboxy groups, a compound (D) having no ethylenic unsaturated bond and having one functional group (f) capable of reacting with a carboxy group, and a liquid medium, wherein the number of functional groups (f) is less than the number of carboxy groups contained in the polymer (A).
The purpose of the present disclosure is to provide an adhesive, an adhesive sheet, a laminate, and a display which have excellent transparency, heat resistance, heat and humidity resistance, flexibility, and rollability. The above problem is solved by an adhesive characterized by containing an acrylic copolymer (A1), an acrylic copolymer (A2), and a crosslinker (B), wherein the SP value, glass transition temperature, and weight average molecular weight of the acrylic copolymer (A1), and the SP value, glass transition temperature, and weight average molecular weight of the acrylic copolymer (A2) satisfy specific requirements.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/02 - Homopolymères ou copolymères d'acidesLeurs sels métalliques ou d'ammonium
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
G09F 9/00 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels
29.
ADHESIVE AGENT, ADHESIVE SHEET, MULTILAYER BODY, AND DISPLAY
The present disclosure provides an adhesive agent, an adhesive sheet, and a multilayer body that include a specific acrylic copolymer (A), a polyolefin (B), and a curing agent (C), that excel in transparency, and that can achieve heat resistance and moist heat resistance, as well as flexibility and windability. The present disclosure further provides a display.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
The present invention addresses the problem of providing a method for efficiently separating/recovering a base from a layered body obtained by layering a support body, an adhesive layer, and the base in this order. The problem can be solved by providing a method for separating/recovering a base from a layered body obtained by layering a support body, an adhesive layer, and the base in this order. The method is characterized in that: the support body is an air permeable film or a nonwoven fabric having a Gurley permeability of 10 to 1000 sec/100 mL; the method includes a step for immersing the layered body in a separation liquid to separate the base from the adhesive layer; the pH of the separation liquid at 25°C is 13.3 or higher; and the dynamic surface tension of the separation liquid at 1000 msec when measured at 25°C is 60 mN/m or less.
The present invention addresses the problem of providing an adhesive resin composition usable without solvents, said adhesive resin composition having high flexibility, impact resistance and adhesive strength, showing little difference in physical properties depending on the curing temperature, and being particularly suitable for the fields of automobiles, building materials, ships, aircraft, etc. This problem can be solved by an adhesive resin composition that comprises: a comb-shaped urethane-acrylic composite resin (D) having residues derived from an acrylic polyol (A) containing an epoxy group in the molecule and having a hydroxyl group at one end, a polyol (B) (excluding the acrylic polyol (A)) and a diisocyanate (C); a liquid epoxy resin (E); and a curing agent (F).
The present disclosure provides a flexible display laminate in which an adhesive layer is provided on a light-transmitting flexible substrate, said adhesive layer being formed from an acrylic adhesive containing a low-polarity additive and an acrylic copolymer that contains a repeating unit derived from a (meth)acrylic acid alkyl ester having an alkyl group having 4 or more carbon atoms. Also provided is a flexible display including said laminate.
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
G09F 9/00 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels
G09F 9/30 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels dans lesquels le ou les caractères désirés sont formés par une combinaison d'éléments individuels
Provided is a method for separating/recovering a base, the method being suitable for plastic recycling and, even when used for a laminate of a base with a pressure-sensitive adhesive sheet comprising a support and a pressure-sensitive adhesive layer formed in an amount of 10-100 g/m2, having an excellent ability to remove the pressure-sensitive adhesive sheet and inhibiting the removed components from re-adhering. The method for separating/recovering a base includes a step in which the laminate is immersed in a remover liquid to remove the pressure-sensitive adhesive sheet, and is characterized in that the remover liquid contains a basic compound, a surfactant having an HLB of 7 or greater, and a defoaming agent.
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
C11D 3/04 - Composés inorganiques solubles dans l'eau
C11D 17/08 - Savon liquideDétergents ou savons caractérisés par leur forme ou leurs propriétés physiques en capsules
The present disclosure provides a method that is for separating and recovering a laminate, and that comprises a step for immersing a laminate including at least a plastic base layer and a print layer in a detachment liquid to detach the print layer such that a print layer component detached from the plastic base layer has a volume-based median diameter (D50) of at least 1 μm, and recovering a plastic substrate. The mass of the print layer is 0.01 mass% or more with respect to the total mass of the detachment liquid.
The present invention provides a novel electronic component, a production method therefor, and a conductive sheet used for these. Provided is a method for producing an electronic component provided with a conductive layer, said method comprising: a first fixing stage for fixing a pre-covering electronic component, which is an electronic component prior to being covered with a conductive layer, to a first fixing member; a second fixing stage for fixing a conductive sheet to a second fixing member which has a recess; and a conductive layer formation stage for closing together the first fixing member and the second fixing member such that the recess of the second fixing member and the pre-covering electronic component mesh together, and transferring the conductive sheet to the pre-covering electronic component, thereby forming a conductive layer on a surface of the pre-covering electronic component.
To provide an adhesive resin composition that yields a film having excellent antiblocking performance and slipping performance and a sheet, a lid material, a component set for a sealed container, and a container that use the same. The problem is solved by an adhesive resin composition that contains a thermoplastic resin (A), a tackifying resin (B), a fatty acid amide (C), and spherical amorphous aluminosilicate particles (D), in which the thermoplastic resin (A) contains at least one selected from the group consisting of ethylene-α-olefin copolymers (A1), ethylene-vinyl acetate copolymers (A2), polyethylene (A3), and polypropylene (A4).
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
B65D 65/40 - Emploi de stratifiés pour des buts particuliers d'emballage
C09J 11/04 - Additifs non macromoléculaires inorganiques
C09J 11/06 - Additifs non macromoléculaires organiques
An object is to provide an adhesive patch that is excellent in both percutaneous absorbability of a drug and adhesiveness to the skin. An adhesive patch of the present invention includes a backing and an adhesive layer integrally laminated on one side of the backing, the adhesive layer including a drug, levulinic acid, and an acrylic adhesive including an acrylic polymer (A) containing a vinyl-based monomer (I) moiety having a solubility parameter of 9 (cal/cm3)1/2 or more. According to the present invention, it is possible to provide an adhesive patch that is excellent in both percutaneous absorbability of a drug and adhesiveness to the skin.
Provided are an adhesive composition and an adhesive sheet which contain: an acrylic acid ester copolymer, which is a copolymer of a monomer mixture comprising an alkyl (meth)acrylate monomer, a monomer having an acidic group and a monomer having a hydroxyl group; and an isocyanate-based curing agent. The adhesive composition and adhesive sheet exhibit sufficient adhesive strength, high tackiness and good re-release properties, and there is little protrusion of an adhesive from the sheet.
Provided is an insulative adhesive tape that has heat resistance, has excellent tracking resistance such as to prevent the occurrence of a reverse trend phenomenon, is highly insulative, and has excellent winding workability. The insulative adhesive tape (1) comprises an insulative layer (12), an adhesive layer (13) and a glass cloth layer (11), wherein the glass cloth layer (11) is positioned between the insulative layer (12) and the adhesive layer (13), and the glass cloth layer (11) is impregnated with at least one of the insulative layer (12) and the adhesive layer (13).
The present disclosure provides: a conductive sheet having a conductive composition which has outstanding metal recycling properties and good adhesive power and conductivity, prevents sticking to protective sheets during storage, and has outstanding protective sheet peeling properties, water droplet evaporation properties, and reworking properties; and a wiring board provided with said conductive composition. The conductive sheet of the present disclosure is a conductive sheet in which a conductive composition containing a metal powder (A) and a binder (B) is disposed on only one surface of a protective sheet (D), wherein the conductive composition dissolves, so as to leave a residue, when submerged for 24 hours in a specific type of solvent composition (C) at 30°C, the residue includes a metal element, and the peak density Spd of the surface of the conductive composition not facing the protective sheet (D) is 1,000-500,000/mm2.
Provided are: a metal sheet bonding agent that has excellent adhesive strength and solder reflow tolerance and that reduces adhesive residues generated during detachment from metal sheets and the like; a reinforcement member that is for a printed wiring board and that is provided with the bonding agent; and a wiring board. A metal sheet bonding agent (10) according to the present disclosure is sheet like, and contains an electrically conductive component (A) and a binder (B). The binder (B) contains a resin. The content proportion of the binder (B) is 10-60 mass% in the mass of the metal sheet bonding agent (10). The spread area ratio Sdr of the metal sheet bonding agent (10) on one surface is 0.01-5.0.
The present invention addresses the problem of providing an adhesive sheet and an adhesive agent having outstanding adhesive strength, heat resistance, resistance to humidity-induced whitening, outgas resistance, and light resistance. Said problem is solved by an optical adhesive agent including an acrylic copolymer (A) and a curing agent (B). The acrylic copolymer (A) is a copolymer of a monomer mixture in which the content of an alkyl (meth)acrylate ester monomer (a1) having a C1-2 alkyl group is 20-60 mass%, the content of an alkyl (meth)acrylate ester monomer (a2) having a C4-8 alkyl group is 30-70 mass%, and the content of ethylene unsaturated monomers (a3) having a hydroxyl group is 2.6-15 mass% in 100 mass% of the monomer mixture. The monomer mixture includes at least two varieties of ethylene unsaturated monomers (a3) having a hydroxyl group, and the ratio G'2/G/1 of the storage modulus G'1 thereof at 175°C to the storage modulus G'2 thereof at 225°C is 0.4-1.4.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C08F 222/12 - Esters de phénols ou d'alcools saturés
The present invention provides a resin composition which has substrate processing adequacy including embeddability into substrate relief patterns, heat cycle resistance and plating solution resistance, and which enables the achievement of a cured product that has excellent long-term heat resistance and excellent bending strength. The above is achieved by means of a resin composition which contains a polyimide resin (A), a curable compound (B) and a thermally conductive filler (C), wherein: a cured product of this resin composition has a Tg of 140°C to 400°C; the polyimide resin (A) has a residue X2d that is derived from a dimer diamine and/or a dimer diisocyanate, while having a total average number of functional groups selected from among an amino group, an acid anhydride group and a maleimide group of 1 or less (including 0); the temperature and Mw at which the storage elastic modulus G' of the polyimide resin (A) is 1.0 × 107 Pa are within specific ranges; and the curable compound (B) is selected from the group consisting of an epoxy compound (b1) and the like.
C08L 79/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide-acides ou précurseurs similaires de polyimides
B32B 27/20 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des charges, des pigments, des agents thixotropiques
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
C08F 283/04 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères prévus par la sous-classe sur des polycarbonamides, des polyesteramides ou des polyimides
C08G 18/64 - Composés macromoléculaires non prévus dans les groupes
C08G 59/20 - Macromolécules obtenues par polymérisation à partir de composés contenant plusieurs groupes époxyde par molécule en utilisant des agents de durcissement ou des catalyseurs qui réagissent avec les groupes époxyde caractérisées par les composés époxydés utilisés
C08G 65/38 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide-acides ou précurseurs similaires de polyimides
C08J 5/24 - Imprégnation de matériaux avec des prépolymères pouvant être polymérisés en place, p. ex. fabrication des "prepregs"
C08K 3/013 - Charges, pigments ou agents de renforcement
A heat-curable composition comprising: a polyimide resin (A) which has a repeating unit of general formula (1), has a phenolic hydroxyl group, and has a storage modulus G' of 1.0×107Pa at a temperature of 0-90°C, at least some of the X2moieties having residues X2d derived from a dimer diamine, etc.; and a crosslinking agent (B) having two or more functional groups. The crosslinking agent (B) includes one or more compounds selected from the group consisting of epoxidized compounds (b1), cyanate ester compounds (b2), etc., these compounds being contained in an amount of 0.5-10 parts by mass per 100 parts by mass of the polyimide resin (A).
The present invention provides a recycling method capable of facilitating recycling of packaging films. The recycling method according to one aspect of the present invention comprises: a crushing step (step S1) for crushing a packaging film (20) to which a paper label (22) is adhered into film pieces (31) to which the paper label is adhered and film pieces (32) to which the paper label is not adhered; and a separating step (step S3) for separating the crushed film pieces (31, 32) into the film pieces (31) to which the paper label is adhered and the film pieces (32) to which the paper label is not adhered.
The present invention provides a coating liquid for forming a low refractive index layer, the coating liquid containing hollow particles (A) that have a particle diameter (D50) of 150 nm or less, inorganic oxide fine particles (B) (excluding the hollow particles (A)) that have a particle diameter (D50) of 10 nm to 90 nm and a particle diameter (D99) of 150 nm to 300 nm, and a multifunctional (meth)acrylate (C). With respect to this coating liquid for forming a low refractive index layer, 0.5 part by mass to 15 parts by mass of the inorganic oxide fine particles (B) is contained relative to 100 parts by mass of the hollow particles (A).
One embodiment pertains to an adhesive for skin affixation containing (A) a polymer having a reactive functional group, (B) a urethane compound in which the mass average molecular weight is 1,500-40,000, and (C) a curing agent, the urethane compound (B) content being 0.05-20 mass parts relative to 100 mass parts of the polymer (A).
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
A61K 47/34 - Composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. polyesters, acides polyaminés, polysiloxanes, polyphosphazines, copolymères de polyalkylène glycol ou de poloxamères
A61L 15/24 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneLeurs dérivés
A61L 15/26 - Composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carboneLeurs dérivés
C09J 133/04 - Homopolymères ou copolymères d'esters
C09J 171/00 - Adhésifs à base de polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleAdhésifs à base de dérivés de tels polymères
A method for separating and collecting a base material (1), said method comprising a step for immersing, in a basic aqueous solution, either only the laminate of (ii) below, or the laminate of (i) below along with the laminate of (ii) and/or (iii) below, wherein: an adhesive layer is formed from an adhesive composition; and, contained in 100 mass% of the adhesive composition is 5-100 mass% of a resin component (A) which is alkali-soluble, which has a glass transition temperature of -70°C to 50°C, and which has a storage elastic modulus of 1.0×102to 1.0×106Pa at 70°C. (i) A laminate which has the base material (1) and a printed layer. (ii) A laminate in which affixed together are the laminate of (i) above and an adhesive label that comprises a base material (2) and an adhesive layer formed from a specific adhesive composition. (iii) A laminate in which a base material (3) and an adhesive label are affixed together.
Provided is a protective sheet that is for a circuit substrate, that has a first surface and a second surface on the opposite side from the first surface, and in which the adhesive strength of the first surface as measured in a probe tack test is at most 0.15 N/cm2totaltotaltotaltotaltotal represents the total thickness (μm) of the protective sheet).
Provided is an adhesive patch which enables excellent percutaneous absorption of selexipag. An adhesive patch according to the present invention is characterized by comprising a support and an adhesive layer that is integrally laminated on one surface of the support and that contains selexipag and an acrylic adhesive. By using selexipag and the acrylic adhesive in combination in the adhesive layer, it is possible to provide an adhesive patch which enables excellent percutaneous absorption of selexipag. This adhesive patch makes it possible to percutaneously administer selexipag as a drug.
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
Provided is an adhesive patch which enables excellent percutaneous absorption of selexipag. An adhesive patch according to the present invention is characterized by comprising a support and an adhesive layer that is integrally laminated on one surface of the support and that contains selexipag and an acrylic adhesive. By using selexipag and the acrylic adhesive in combination in the adhesive layer, it is possible to provide an adhesive patch which enables excellent percutaneous absorption of selexipag. This adhesive patch makes it possible to percutaneously administer selexipag as a drug.
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
This hard coat film has a triacetylcellulose film (1), a mixed layer (2), and a hard coat layer (3). The hard coat layer (3) is formed of a hard coat layer-forming composition that contains a compound (A) having three or more ethylenically unsaturated groups, a compound (B) having one ethylenically unsaturated group, a photoinitiator (C), and a solvent (D). The mass ratio of compound (B)/solvent (D) in the hard coat layer-forming composition is 0.03-0.20. The mixed layer (2) is a layer formed by swelling or dissolving the hard coat layer-forming composition on the triacetylcellulose film (1). When a cross section of the hard coat film in the thickness direction is observed by a scanning electron microscope, the film-thickness proportion of the mixed layer (2) in the total film thickness of the hard coat layer (3) and the mixed layer (2) is 65% or more.
G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs
B05D 7/10 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers à du bois en utilisant des laques ou vernis synthétiques à base de dérivés de la cellulose
B05D 7/24 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers pour appliquer des liquides ou d'autres matériaux fluides particuliers
B32B 23/08 - Produits stratifiés composés essentiellement de substances cellulosiques plastiques comprenant de telles substances comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 27/16 - Produits stratifiés composés essentiellement de résine synthétique spécialement traitée, p. ex. irradiée
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
C08J 7/046 - Formation de revêtements résistants à l'abrasionFormation de revêtements de durcissement de surface
C09D 4/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
An insulative adhesive tape (3) is configured from a laminated body (L3) of at least three layers including an insulative layer (12), an adhesive layer (13), and a substrate layer (11) provided between the insulative layer (12) and the adhesive layer (13). The insulative layer (12) and the adhesive layer (13) are each provided to the surface of the laminated body (L3), and the insulative layer (12) is formed of a resin including, as a main component, at least one selected from a polyamide and a polyimide having an aromatic ring concentration of 30 mass% or less.
Provided is an active energy ray curable undercoat agent for forming an undercoat layer in a metal film-attached base material comprising a base material, an undercoat layer, and a metal film in this order. The active energy ray curable undercoat agent contains a first compound having three or more (meth)acryloyl groups, a second compound, and a photopolymerization initiator, wherein: the second compound contains at least one type selected from the group consisting of a compound having a silsesquioxane skeleton, a metal compound having an organic group, a triazinethiol compound, and a silane coupling agent having two or more alkoxysilyl groups and two or more reactive functional groups; and the content of the first compound is 70 mass% or more in 100 mass% of a nonvolatile component of the active energy ray curable undercoat agent.
C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 15/082 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines vinyliquesProduits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines acryliques
C09D 7/63 - Adjuvants non macromoléculaires organiques
Provided are: an adhesive composition which is agingless, has good adhesive properties and excellent storage stability, and can be used reliably for a long time even after the addition of a curing agent; and an adhesive sheet. An adhesive composition according to an aspect of the present disclosure contains (A) an acrylic polymer, (B) a metal chelate compound, and (C) a polycarboxylic acid compound, wherein the acrylic polymer (A) is a copolymer of a monomer mixture containing a monomer (a1) having an acidic group, and the content of the monomer (a1) having an acidic group is 0.01-20 mass% with respect to 100 mass% of the monomer mixture.
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
The purpose of the present invention is to provide a binder for a non-aqueous secondary battery separator that can form a non-aqueous secondary battery separator that has excellent flexibility, adhesion, electrolyte resistance, and heat resistance. The purpose of the present invention is also to provide a power storage device that has excellent long-term storage stability and that can provide excellent power storage device characteristics and separator characteristics even after long-term storage. The binder for the non-aqueous secondary battery separator contains a polymer (A) which is a polymer of monomers including a monomer having an acidic functional group, a monomer having an amide group, and a (meth)acrylic acid alkyl ester monomer, and a condensation product of a silane compound, and the glass transition temperature is –60°C to 60C. The power storage device has a separator base provided with at least one protective layer between a pair of electrodes, wherein the protective layer contains a polymer of an ethylenically unsaturated monomer, and a silane compound, the silane compound having no ethylenically unsaturated groups but having a C3-12 alkyl group.
H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
57.
ADHESIVE RESIN SHEET, PRINTED WIRING BOARD, AND ELECTRONIC DEVICE
The objective of the present disclosure is to provide an adhesive resin sheet that shows an excellent loss tangent in high frequency bands (10 GHz, 20 GHz, 40 GHz) and exhibits high migration resistance and excellent bendability after a solder reflow step. The problem is solved by the provision of an adhesive resin sheet that satisfies the following i to iv when the adhesive resin sheet is heated at 180℃ for one hour. i: At 23℃, the loss tangent at a measurement frequency of 10 GHz is less than or equal to 0.005. ii: At 23℃, the loss tangent at a measurement frequency of 20 GHz is less than or equal to 0.007. iii: At 23℃, the loss tangent at a measurement frequency of 40 GHz is less than or equal to 0.01. iv: When the mass reduction rate measured in compliance with thermogravimetry defined in JIS K 7120 using an inflow gas of nitrogen, a measurement temperature range of 25℃ to 500℃, and a heating rate of 10℃/min is 5%, the temperature is greater than or equal to 280℃.
H05K 1/03 - Emploi de matériaux pour réaliser le substrat
H01B 3/30 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires
H01B 3/44 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines vinyliquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines acryliques
Provided is an electronic component mounted substrate that has excellent insulative properties, that excels in cold cycle tolerance, and that excels in dicing suitability. An electronic component mounted substrate (10) is configured so that an electronic component (2) is mounted on a substrate (1), and the electronic component (2) is covered by an electronic component protecting layer (3). The surface of the electronic component protecting layer (3) has a Flop Index (FI), calculated using a formula (1), of 0.3 to 80.
Provided is an adhesive composition including a copolymer (A) and a curing agent (B), the copolymer (A) being formed from a monomer mixture containing an alkyl (meth)acrylate (a1) that has a C4-12 alkyl group, a (meth)acrylate (a2) that has an aliphatic cyclic structure and does not have reactive functional groups, and a (meth)acrylate (a3) that has a carboxyl group, and the (meth)acrylate (a3) that has a carboxyl group including at least one of a (meth)acrylate (a3-1) represented by general formula (1) and a (meth)acrylate (a3-2) represented by general formula (2).
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
Provided are a binder dispersion having excellent electrolyte resistance, a slurry composition having excellent solution stability and coatability, a separator having a low water content and excellent thermal resistance and adhesion to a separator substrate, and a non-aqueous secondary battery having a low internal resistance and good cycle characteristics. The present invention solves the problem to be addressed using a binder dispersion for a non-aqueous secondary battery separator, the binder dispersion including a polymer (A1) and an aqueous medium. The polymer (A1) has an acid value of 15 mgKOH/g or less, and is an ethylenic unsaturated monomer mixture including (meth)acrylamide and a non-ionic ethylenic unsaturated monomer (a-1) for which an octanol/water distribution coefficient logarithm (Log Kow) at 25°C is a specific value, and light transmittance at a wavelength of 400 nm, under a condition of a solid component concentration of 5% by mass, is less than 70%.
H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
H01M 50/489 - Séparateurs, membranes, diaphragmes ou éléments d’espacement dans les cellules caractérisés par leurs propriétés physiques, p. ex. degré de gonflement, hydrophilicité ou propriétés pour court-circuiter
61.
ADHESIVE FOR FLEXIBLE DISPLAY, ADHESIVE SHEET, LAMINATE, AND FLEXIBLE DISPLAY
This adhesive is for a flexible display, and contains an acrylic copolymer and a curing agent. The acrylic copolymer is a copolymer of a monomer mixture containing all of monomers (a-1)-(a-4). The storage modulus and the loss tangent of the adhesive satisfy all of (1)-(7). Two types of the acrylic copolymer may be included, where one may be a copolymer of a monomer mixture containing all of monomers (a-1)-(a-3) and the other may be a copolymer of a monomer mixture containing monomer (a-5).
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
This method for manufacturing a printed wiring board with a metal reinforcement plate comprises: a step [1] in which a member set (17) is disposed on a printed wiring board (20) so that the wiring board (20) and a conductive adhesive (12) oppose each other, the member set being provided with, in the given order, a metal reinforcement plate (14), a cushion material (16), and the conductive adhesive (12) which contains a conductive filler and a binder resin that is softened by heat; a step [2] for hot-pressing the member set (17) so that a ground circuit (25) and the metal reinforcement plate (14) are adhered by the conductive adhesive (12) via an opening (27) provided to an insulating protective film (22, 23), and the ground circuit (25) and the metal reinforcement plate (14) are electrically connected; and a step [3] for peeling off the cushion material (16) of the member set (17).
An electromagnetic wave shield sheet according to the present invention includes an adhesive layer (A) and a shield layer (B) laminated on the adhesive layer (A). The shield layer (B) has: a metal layer (C) that is laminated on the adhesive layer (A); and a conductive-filler highly packed bed (D) that contains a binder component (d-1) and a conductive filler (d-2) and that is laminated on the metal layer (C). The content of the conductive filler (d-2) with respect to 100 mass% of the conductive-filler highly packed bed (D) is set to 75-95 mass%.
Provided is a laminate that has excellent optical characteristics and abrasion resistance, has a high yield even when manufactured by a roll-to-roll method, and has excellent OCA adhesion regardless of the presence or absence of annealing treatment. The laminate has a light-transmitting base material layer (A) and a resin layer (B) that is a cured layer of a curable composition (S) containing particles (R) and a curable composition (Q). In a configuration in which the resin layer (B) of 1 μm and PET of 50 μm are laminated to each other, a haze value obtained when the resin layer (B) is measured from an upper-layer side thereof is 2.0% or less. A principal surface (F) of the resin layer (B) on the side opposite to the light-transmitting base material layer (A) has an initial wet tension of 38 to 60 mN/m before annealing treatment. When a heat-resistant protection PET film is affixed to the principal surface (F) and annealing treatment is performed for three hours, the wet tension of the principal surface (F) of the resin layer (B) after the heat-resistant protection PET film is released is 30 to 54 mN/m.
B32B 27/20 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des charges, des pigments, des agents thixotropiques
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
C08F 2/46 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire
C08F 8/00 - Modification chimique par post-traitement
C08L 101/00 - Compositions contenant des composés macromoléculaires non spécifiés
H01B 5/14 - Conducteurs ou corps conducteurs non isolés caractérisés par la forme comprenant des couches ou pellicules conductrices sur supports isolants
65.
MULTILAYER FILM FOR DECORATIVE MOLDING, METHOD FOR PRODUCING SAID FILM, AND DECORATIVE MOLDED BODY
The purpose of the present invention is to provide a multilayer film for decorative molding, said multilayer film exhibiting excellent moldability and being capable of forming a decorative molded body that has excellent chipping resistance, rubbing resistance and chemical resistance. A multilayer film for decorative molding, said multilayer film having a surface protection layer and a base material layer, and being characterized in that: the Martens hardness of the multilayer film for decorative molding is from 100 to 300 N/mm2 as measured from the surface protection layer side; the surface protection layer has a sea-island structure that has a domain (D) and a matrix (M); the Krummbein diameter of the domain (D) is from 0.05 μm to 0.5 μm; and the ratio of the domain (D) to the matrix (M), namely D:M is from 5:95 to 44:56.
This can for an effervescent beverage includes an upper surface, a lower surface, and a middle part. On the inner surface of the middle part, a plurality of first recesses are formed, each having a diameter of at least 5μｍ. The number of the plurality of first recesses is 200 to 2,000 per 1mm2.
B65D 8/04 - Réceptacles de section transversale courbe, dont le corps est formé par jonction ou liaison de plusieurs composants rigides, ou sensiblement rigides, constitués en totalité ou principalement en métal, en matière plastique, en bois ou en un matériau de remplacement caractérisés par la structure des parois ou par des liaisons entre parois
Provided are: a pressure-sensitive adhesive sheet which has resistance to lowly polar solvents, suitability for application to curved surfaces, and applicability with water and has excellent reworkability; and a pressure-sensitive adhesive for poly(vinyl chloride) which is used for forming the pressure-sensitive adhesive sheet. The pressure-sensitive adhesive for poly(vinyl chloride) comprises an acrylic resin (A) and a hardener (B), wherein the acrylic resin (A) is a copolymer of a monomer mixture including 15-60 mass% monomer (a1) represented by general formula (1) and 0.5-7 mass% monomer (a2) having a carboxyl group and the hardener (B) is at least one hardener selected from the group consisting of chelate hardeners, isocyanate hardeners, and epoxy hardeners.
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/04 - Homopolymères ou copolymères d'esters
C09J 7/24 - Matières plastiquesMatières plastiques métallisées à base de composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
One embodiment relates to an active-energy-curable hard coat agent for forming a hard coat layer having a metal thin film thereon, the active-energy-curable hard coat agent comprising (A) a compound having three or more (meth)acryloyl groups, (B) a silane coupling agent having an isocyanato group, and (C) a photopolymerization initiator, in which the compound (A) is contained in an amount of 70 parts by mass or more in 100 parts by mass of a non-volatile matter of the active-energy-curable hard coat agent.
C08F 299/06 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés à partir de polyuréthanes
B32B 15/082 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines vinyliquesProduits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines acryliques
C08G 18/67 - Composés non saturés contenant un hydrogène actif
Provided is an antimicrobial active energy ray curable coating composition including a film-forming component and a silver-based compound, wherein: the film-forming component includes a urethane (meth)acrylate having six or more (meth)acryloyl groups; a 3-μm thick cured product formed from the antimicrobial active energy ray curable coating composition on a 100-μm thick polyethylene terephthalate film has a Martens hardness of 40-80 N/mm2 and an antimicrobial activity value according to JIS Z2801 of 2 or higher; and the antimicrobial active energy ray curable coating composition makes it possible to form a coating layer that is endowed with adequate antimicrobial properties, that stably expresses antimicrobial properties, and that has exceptional dispersion stability contributing to improved yield rate as well as having exceptional anti-scratch performance.
The present invention provides a non-solvent reactive adhesive agent which has outstanding coating strength and softness even after a heat resistance test and an oil resistance test, and suffers no effects on fracture elongation even when the mixture ratio of a main agent and a curing agent has changed. The above problem is solved by a solvent-free reactive adhesive agent, containing a polyisocyanate containing the trimethylolpropane adduct of at least either tolylene diisocyanate or diphenylmethane diisocyanate and aromatic polyisocyanate not including a trimethylolpropane adduct, and a polyol, and containing a total of the trimethylolpropane adduct of tolylene diisocyanate and the trimethylolpropane adduct of the diphenylmethane diisocyanate in the range of 40-80 wt. % based on the total weight of the polyisocyanate.
C09J 175/06 - Polyuréthanes à partir de polyesters
C08G 18/10 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle
The present invention provides a novel electronic device package and a method for manufacturing the same. Provided is a method for manufacturing the electronic device package, the method including a step for forming an insulating protective layer by disposing an opening-equipped insulating sheet on a mount substrate which is provided with a conductive circuit on a surface thereof and on which an electronic device is mounted, so that the opening is positioned at least on the top surface of the electronic device.
One embodiment relates to an adhesive for skin application that includes a polyurethane polyol (P) and an organic isocyanate (C). The polyurethane polyol (P) is a reaction product of a polyol component (A) containing a polyether polyol (a1) and a polyisocyanate component (B) and has hydroxyl value of 2.0-45 KOH mg/g and a weight average molecular weight of 25,000-300,000, and the polyether polyol (a1) has a hydroxyl group at the molecular end, a primary hydroxyl group content among hydroxyl groups of 40 mol% or more, and an average number of hydroxyl groups of 2 or more.
A61K 47/08 - Composés organiques, p. ex. hydrocarbures naturels ou synthétiques, polyoléfines, huile minérale, gelée de pétrole ou ozocérite contenant de l'oxygène
A61K 47/16 - Composés organiques, p. ex. hydrocarbures naturels ou synthétiques, polyoléfines, huile minérale, gelée de pétrole ou ozocérite contenant de l'azote
A61K 47/34 - Composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. polyesters, acides polyaminés, polysiloxanes, polyphosphazines, copolymères de polyalkylène glycol ou de poloxamères
73.
METHOD FOR PRODUCING ACRYLIC-POLYMER PARTICLES, ACRYLIC-POLYMER PARTICLES, COMPOSITION CONTAINING ACRYLIC-POLYMER PARTICLES, AND WATER-BASED PRESSURE-SENSITIVE ADHESIVE
An aspect of the present invention relates to a method for producing acrylic-polymer particles which comprises: preparing a monomer composition which comprises monomers (A) comprising an alkyl (meth)acrylate monomer and a carboxylated monomer, an anionic emulsifier (B) having an ethylene oxide structure in the molecule, the amount of the anionic emulsifier being 0.5-5 mass% with respect to the mass of the monomers (A), an alkali metal hydroxide (C), the amount of which is 20-125 mol% with respect to the molar amount of the carboxyl groups contained in the carboxylated monomer, and a cellulosic polymer (D), the amount of which is 0.01-1 mass% with respect to the mass of the monomers (A); and suspension-polymerizing the monomers (A).
C08F 2/20 - Polymérisation en suspension utilisant des agents de dispersion macromoléculaires
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
C09J 133/04 - Homopolymères ou copolymères d'esters
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C09J 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
Provided is an adhesive that is improved in various areas of performance as compared with conventional adhesives, by containing a specific urethane-modified resin (C) selected from among the following urethane-modified resins (U1)-(U3): (U1) of a resin which is a block polymer in which a urethane unit and a polymer unit of an ethylenically unsaturated monomer are linked by a residue of a chain transfer agent, wherein the polymer unit has a structural unit derived from an ethylenically unsaturated monomer having a hydrolyzable silyl group; (U2) of a urethane-acrylic composite resin in which a urethane unit and a (meth)acrylic unit are linked by a residue of a chain transfer agent; and (U3) of a resin that is a reaction product of an isocyanato group of a urethane prepolymer having an isocyanato group at a terminal and obtained from a polyol including a polycarbonate polyol and a polyisocyanate, and an amino group of a monoamine compound having a hydroxyl group or a sulfanyl group, and an amino group in a molecule and having a molecular weight of less than 200.
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
B32B 27/40 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyuréthanes
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C09J 175/06 - Polyuréthanes à partir de polyesters
C09J 175/08 - Polyuréthanes à partir de polyéthers
C09J 201/10 - Adhésifs à base de composés macromoléculaires non spécifiés caractérisés par la présence de groupes déterminés contenant des groupes silanes hydrolysables
C08G 18/10 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle
C08G 18/38 - Composés de bas poids moléculaire contenant des hétéro-atomes autres que l'oxygène
The present invention provides an adhesive that exhibits excellent initial curability, can suppress an increase in adhesive force even when exposed to a hot environment and particularly to a hot, humid environment, and can form an adhesive layer having excellent re-peeling properties. Also provided is an adhesive sheet in which said adhesive is used. The adhesive of the present invention comprises: a hydroxyl group-terminated urethane prepolymer (UPH) that is a reaction product between one or more active hydrogen group-containing compounds (H) having a plurality of active hydrogen groups per molecule, and one or more polyisocyanates (N); and a polyfunctional isocyanate compound (I). The hydrogen group-terminated urethane prepolymer (UHP) is a urethane-based adhesive having a degree of branching of 0.2-0.8 as measured by the GPC-MALS method.
This aqueous adhesive contains a (meth)acrylic copolymer (A) obtained by polymerization in the presence of an emulsifier, an alkali metal compound (B), and a tackifying resin (C), each in specific amounts. The (meth)acrylic copolymer (A) contains a (meth)acrylic acid alkyl ester monomer (a1) and a specific quantity of structural units derived from a carboxyl-group-containing monomer (a2). The alkali metal compound (B) is a compound that does not correspond to the emulsifier and does not have an alkyl group having 8 or more carbon atoms, a cyclic skeleton having 6 or more carbon atoms, or an alkylene oxide. The alkali metal content of the alkali metal compound is 10-100 mol per 100 mol of carboxyl groups in the (meth)acrylic copolymer.
An adhesive agent composition containing a urethane prepolymer (A) having a hydroxyl group that is a reaction product of a polyol (ax) having a number-average molecular weight of 1,000-45,000, a polyfunctional polyol (ay) (however, excluding the polyol (ax)), and a polyisocyanate (az), in which the polyol (ax) is a copolymer of a monomer mixture including a monomer (ax'1) having a lactic acid unit and a monomer (ax'2) having at least one of a lactone unit and an aliphatic hydroxycarboxylic acid unit (however, excluding lactic acid), and the urethane prepolymer (A) having a hydroxyl group has a glass transition temperature of −60°C to −10°C.
A curable resin composition which comprises a block polymer including a polyimide unit and a polymer unit of ethylenically unsaturated monomers, the units having been connected to each other by a residue of a chain-transfer agent, and a crosslinking agent, wherein the polymer unit includes a constituent unit derived from an ethylenically unsaturated monomer having one or more crosslinking groups in the molecule.
B32B 27/26 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des durcisseurs
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
C08F 265/10 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères d'acides monocarboxyliques non saturés ou de leurs dérivés tels que définis dans le groupe sur des polymères d'amides ou d'imides
C08G 59/42 - Acides polycarboxyliquesLeurs anhydrides, halogénures ou esters à bas poids moléculaire
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide-acides ou précurseurs similaires de polyimides
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
C08L 51/08 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C08L 53/00 - Compositions contenant des copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères
C08L 63/00 - Compositions contenant des résines époxyCompositions contenant des dérivés des résines époxy
C08J 5/16 - Fabrication de matériaux ou d'objets à coefficient de friction réduit
An active energy ray-curable hard coating agent according to the present invention contains 1-30 parts by mass of a metal oxide (B) having an average primary particle diameter of less than 100 nm with respect to 100 parts by mass of an active energy ray-curable component (A), wherein a total of 50-100% by mass of two types of urethane (meth)acrylates (A1) and (A2) which have different numbers of (meth)acryloyl groups per molecule and different mass-average molecular weights is contained in 100% by mass of the active energy ray-curable component (A), and the mass ratio of (A1) and (A2) is 15/85-75/25.
An electromagnetic-wave shielding sheet is an electromagnetic-wave shielding sheet used to form an electronic component-mounted substrate, the electronic component-mounted substrate including an electromagnetic-wave shielding layer covering at least a part of a step part and an exposed surface of a substrate, in which the electromagnetic-wave shielding sheet is a laminate including a cushion layer and a conductive layer, the conductive layer is an isotropic conductive layer containing a binder resin and a conductive filler, a thickness of the conductive layer is 8 to 70 μm, and a content of the conductive filler in a region on a side opposite to a cushion layer side in the conductive layer is larger than that in a region on the cushion layer side in the conductive layer.
An electromagnetic wave shielding sheet according to the present embodiments is an electromagnetic wave shielding sheet for forming an electromagnetic wave shielding layer used for a component-mounting substrate including a substrate, an electronic component and an electromagnetic wave shielding layer, in which the electromagnetic wave shielding sheet includes at least one of a conductive layer before thermal pressing of the electromagnetic wave reflection layer and a conductive layer before thermal pressing of the electromagnetic wave absorption layer, the conductive layer before thermal pressing of the electromagnetic wave reflection layer includes a binder resin and a conductive filler, and the conductive layer before thermal pressing of the electromagnetic wave absorption layer includes a binder resin and an electromagnetic wave absorption filler. The Young's modulus of the conductive layer at 23° C. is set to 10 to 700 MPa.
An aspect of the present invention relates to a thermally curable hardcoat agent comprising a polymer (A) having a furan ring in a side chain and a hardener (B) having a maleimide ring, wherein the polymer (A) having a furan ring in a side chain includes at least four linearly connected atoms between the main chain and the furan ring.
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
C09D 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
C09D 201/06 - Compositions de revêtement à base de composés macromoléculaires non spécifiés caractérisés par la présence de groupes déterminés contenant des atomes d'oxygène
C09D 7/48 - Stabilisants contre la dégradation par l’oxygène, la chaleur ou la lumière
C09D 7/61 - Adjuvants non macromoléculaires inorganiques
83.
PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET
This pressure-sensitive adhesive composition comprises a hydroxylated urethane prepolymer (A), which is a product of reaction between one or more polyols (a) and a polyisocyanate (b), and an isocyanate hardener (B), wherein the polyols (a) include a biomass-derived polyol (a-1) having an aliphatic dimer structure, the content of the polyol (a-1) being 45-100 mass% with respect to the amount of the polyols (a), which is taken as 100 mass%, and the hydroxylated urethane prepolymer (A) has a molecular-weight dispersity ratio of 4-10.
C08G 18/10 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle
C08G 18/73 - Polyisocyanates ou polyisothiocyanates acycliques
C08G 18/74 - Polyisocyanates ou polyisothiocyanates cycliques
−1) of the material of the surface of the heat generating member in contact with the thermoconductive insulating adhesive film, L(BA): initial contact length (m) between the thermoconductive insulating adhesive film and the heat dissipating base substrate, and L(BC): initial contact length (m) between the thermoconductive insulating adhesive film and the heat generating member.
H01L 23/373 - Refroidissement facilité par l'emploi de matériaux particuliers pour le dispositif
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 27/20 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des charges, des pigments, des agents thixotropiques
B32B 15/20 - Produits stratifiés composés essentiellement de métal comportant de l'aluminium ou du cuivre
85.
Electromagnetic wave shielding sheet and printed wiring board
An electromagnetic wave shielding sheet according to the disclosure is configured by a protection layer, a metal layer, and a conductive adhesive layer. The metal layer has a plurality of openings, and an aperture ratio of the opening is 0.1%-20%. In addition, a tensile breaking strength of the electromagnetic wave shielding sheet is 10 N/20 mm-80 N/20 mm.
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
SOLUTION CONTAINING HYDROXYL-TERMINATED URETHANE PREPOLYMER, PRODUCTION METHOD FOR SOLUTION CONTAINING HYDROXYL-TERMINATED URETHANE PREPOLYMER, ADHESIVE, ADHESIVE SHEET, AND PRODUCTION METHOD FOR ADHESIVE SHEET
Provided is a solution that contains a hydroxyl-terminated urethane prepolymer. The solution is for use in an adhesive, uses a reduced amount of an organic solvent, has a relatively high solid component concentration, and has a relatively low viscosity. Also provided is an adhesive that uses a reduced amount of an organic solvent, has a relatively high solid component concentration, and has a relatively low viscosity when applied and therefore has favorable application suitability. This solution that contains a hydroxyl-terminated urethane prepolymer is for an adhesive and includes a hydroxyl-terminated urethane prepolymer (UPH) that is the product of a reaction between: at least one type of active-hydroxyl-group-containing compound (HX) that has a plurality of active hydroxyl groups per molecule thereof; and at least one type of polyisocyanate (N). The solid component concentration of the solution is at least 80 mass%, and the viscosity of the solution at 25° after standing for one hour at 25°C immediately after being prepared is no greater than 8000 mPa·s. This adhesive includes: the solution that contains a hydroxyl-terminated urethane prepolymer; and a polyfunctional isocyanate compound (I).
B05D 5/10 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers pour obtenir une surface adhésive
B05D 7/00 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers
B05D 7/24 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers pour appliquer des liquides ou d'autres matériaux fluides particuliers
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
B32B 27/18 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers
B32B 27/22 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des plastifiants
B32B 27/26 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des durcisseurs
B32B 27/40 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyuréthanes
C09J 11/06 - Additifs non macromoléculaires organiques
C08G 18/12 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle utilisant plusieurs composés contenant un hydrogène actif dans le premier stade de la polymérisation
An electromagnetic wave shielding sheet according to the disclosure is configured by a protection layer, a metal layer, and a conductive adhesive layer. The metal layer has a plurality of openings, and an aperture ratio of the opening is 0.1%-20%. In addition, a tensile breaking strength of the electromagnetic wave shielding sheet is 10 N/20 mm-80 N/20 mm.
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
The present invention provides a thermally conductive insulating sheet having appropriate fluidity upon being heated and pressurized, and free from of the possibility of a material leaking to the outside beyond the original size of the sheet. The thermally conductive insulating sheet according to the present invention contains an uncured material and/or a semi-cured material of a binder resin (R) which is a thermosetting resin. In the present invention, a complex viscosity in a temperature range of 100-200° C. is 10,000-150,000 Pa·s, a ratio (α/β) of the maximum value (α) to the minimum value (β) of the complex viscosity in said temperature range is 1.0-4.0, and the flow value is 90-100%. Flow value(%)=W2/W1×100.
H01L 23/36 - Emploi de matériaux spécifiés ou mise en forme, en vue de faciliter le refroidissement ou le chauffage, p. ex. dissipateurs de chaleur
B32B 27/06 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique
B32B 7/06 - Liaison entre couches permettant une séparation sans difficultés
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
89.
PRESSURE-SENSITIVE ADHESIVE, AND PRESSURE-SENSITIVE ADHESIVE SHEET AND METHOD FOR USING SAME
The present invention provides a pressure-sensitive adhesive that can form a pressure-sensitive adhesive layer that, prior to exposure to active-energy radiation, exhibits a good wet-spreadability for adherends, has a good removability that enables re-application to adherends, and at the same time can be applied with a peel strength that prevents facile peeling from adherends; and that, after exposure to active-energy radiation, has an effectively reduced peel strength and can be readily peeled from adherends. A pressure-sensitive adhesive according to the present invention comprises: a (meth)acryloyl group-free hydroxy group-terminated urethane prepolymer (UPH), which is the reaction product of at least one polyisocyanate (N) with at least one active hydrogen group-containing compound (HX) that has a plurality of active hydrogen groups in each molecule; a polyfunctional isocyanate compound (I); and a radical-polymerizable monomer (MX) that contains at least three (meth)acryloyl groups in each molecule. A pressure-sensitive adhesive layer (12) comprising the cured product of the pressure-sensitive adhesive according to the present invention undergoes a decline in peel strength upon irradiation with active-energy radiation.
A molding decorative sheet (1) according to the present invention is provided with: a sheet-like transparent base material (10); a projection pattern (20) that has a height of not less than 5 µm and that is formed in the sheet-like transparent base material (10) itself or is formed on the sheet-like transparent base material (10) by using another transparent member, in a face (12) opposite to that on the visual recognition side of the sheet-like transparent base material (10); a transparent optical adjustment layer (30) which covers a face having the projection pattern (20) disposed thereon and on which recesses/projections derived from the projection pattern (20) are formed on the surface; and a coloring layer (40) that covers the optical adjustment layer (30). In each of the sheet-like transparent base material (10), the transparent member, and the optical adjustment layer (30), the transmittance of total light in a bandwidth of visible light having a wavelength of 400-800 nm is not less than 80%. The refractive index of the optical adjustment layer (30) is greater by at least 0.03 than the refractive index of the member constituting the projection pattern (20). The optical adjustment layer (30) has one or more first optical adjustment layers having a refractive index of not more than 1.80.
B32B 3/30 - Produits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche continue dont le périmètre de la section droite a une allure particulièreProduits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche comportant des cavités ou des vides internes caractérisés par une couche comportant des retraits ou des saillies, p. ex. des gorges, des nervures
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
B41M 3/06 - Impressions veinéesImpressions fluorescentesImages stéréoscopiquesCopies de motifs, p. ex. tissus, textiles
The invention provides a synthetic rubber pressure-sensitive adhesive which has excellent heat resistance and substrate adhesiveness, is capable of inhibiting offset, peeling or the like even in a high-temperature environment and is suitable for applications in a high-temperature environment, a pressure-sensitive adhesive sheet and a polishing member laminate. The synthetic rubber pressure-sensitive adhesive of the invention contains: a synthetic rubber (A) including a styrene-isoprene block copolymer, an adhesion-imparting resin (B), and a fatty acid ester (C) with a weight reduction rate of 1 wt % or less after being heated at 150° C. for 10 minutes. Based on 100 parts by weight of the synthetic rubber (A), the content of the adhesion-imparting resin (B) is set as α parts by weight to 60 parts by weight, and the content of the fatty acid ester (C) is set as 0.1 parts by weight to 10 parts by weight.
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/36 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyesters
92.
ELECTRONIC COMPONENT MOUNTING SUBSTRATE AND ELECTRONIC APPARATUS
An electronic component mounting substrate (51) according to an embodiment of the present invention comprises: a substrate (20); an electronic component (30) mounted on at least one surface of the substrate (20); and an electromagnetic wave shield member (1) which is covered from the upper surface of the electronic component (30) to the substrate (20), and covers at least a part of the substrate (20) and the side surface of a stepped portion formed by mounting the electronic component (30). The electromagnetic wave shield member (1) has an electromagnetic wave shield layer (5) containing a binder resin and a conductive filler. The kurtosis of the surface layer of the electromagnetic wave shield member (1) is 1 to 8 as measured in accordance with JIS B0601; 2001.
An electromagnetic shielding sheet (10) according to the present invention is used for the purpose of constituting an electronic component mounting substrate (101) which is provided with an electromagnetic shielding layer (1) that covers a level difference part which is formed by mounting of an electronic component (30) and at least a part of an exposed surface of a substrate (20); and this electromagnetic shielding sheet is a multilayer body which comprises a cushion layer (7) and a conductive layer (2). The conductive layer (2) is an isotropically conductive layer that contains a binder resin and a conductive filler (3), while having a thickness of 8-70 μm; and the content of the conductive filler (3) in a region on the reverse side of the cushion layer (7) side is higher than the content of the conductive filler (3) in a region on the cushion layer (7) side.
The present invention provides a pressure-sensitive adhesive capable of forming a pressure-sensitive adhesive layer that ensures reduction in adhesive power and favorable removability even during an initial period (prior to passing of time) and after passing of time (in particular, after a (wet) heated time period), and that leaves less taint on an adherend after being removed. The pressure-sensitive adhesive according to the present invention is a urethane-based pressure-sensitive adhesive comprising: at least one type of active hydrogen group-containing compound (H) having a plurality of active hydrogen groups per molecule; at least one type of multifunctional isocyanate compound (I); and at least one type of surfactant (S) having a cationic hydrophilic group, wherein the surfactant (S) has an amine value of 0.1-150 mgKOH/g in terms of nonvolatile contents, and the contained amount of the surfactant (S) is 0.01-20 parts by mass with respect to 100 parts by mass of the active hydrogen group-containing compound (H).
Provided are: a dry resist film that can form a cover coat layer which has light-blocking properties and satisfactory heat-resistant pressure bonding properties, migration resistance, and flexibility; a solder resist; a printed wiring board with an electromagnetic wave shield sheet and a method for manufacturing the same; and an electronic device. This dry resist film comprises a resin layer formed from an active energy beam-curable resin composition that contains an active energy beam-curable resin, an active energy beam polymerization initiator, and a coloring agent. The storage elastic modulus of the resin layer in cured form at 85°C is 1.0E+07 to 1.0E+10 Pa.
Provided are: an adhesive agent which has, in an adhesive agent layer formed from an acrylic adhesive agent, superior resistance at high temperatures (180–260°C) compared to conventional adhesive agents and minimized contamination on an adherend after the adhesive agent layer has been peeled away; and an adhesive sheet. An adhesive agent according to an embodiment of the present invention contains a (meth)acrylic copolymer (A3) that has a weight average molecular weight of 6.0 × 105–1.00 × 106 according to GPC analysis, an epoxy curing agent (B), and an antioxidant (C3) that includes a partially-hindered phenolic antioxidant. The (meth)acrylic copolymer (A3) has a unit which is derived from a reactive functional group-containing monomer that has a functional group capable of crosslinking with the epoxy curing agent (B), and the content of an oligomer component having a molecular weight of 1,000–20,000 is no more than 3.5% of the total area of a molecular weight distribution curve that has been obtained through the GPC analysis.
C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesAdhésifs à base de dérivés de tels polymères
C09J 7/20 - Adhésifs sous forme de films ou de pellicules caractérisés par leur support
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C09J 163/00 - Adhésifs à base de résines époxyAdhésifs à base de dérivés des résines époxy
An electromagnetic wave shielding sheet according to the present invention is used to form an electromagnetic wave shielding layer (1) used in a component-mounted substrate (101) provided with: a substrate (20); electronic components (30) mounted on one side or both sides of the substrate (20); and the electromagnetic wave shielding layer (1) for coating a portion of the substrate and stepped parts formed by mounting the electronic components (30), the electromagnetic wave shielding layer having at least one among an electromagnetic wave reflecting layer and an electromagnetic wave absorbing layer. The electromagnetic wave shielding sheet (10) has at least one among a conductive layer (2) prior to thermal pressing of the electromagnetic wave reflecting layer and a conductive layer (2) prior to thermal pressing of the electromagnetic wave absorbing layer. The conductive layer (2) prior to thermal pressing of the electromagnetic wave reflecting layer includes a binder resin and a conductive filler, and the conductive layer (2) prior to thermal pressing of the electromagnetic wave absorbing layer includes a binder resin and an electromagnetic wave absorbing filler. The Young's modulus of the conductive layer (2) is 10-700 MPa at 23°C.
The purpose of the present invention is to provide: an aqueous coating composition capable of forming a coating film to which the flavoring ingredients in the contents of a can are less likely to be adsorbed and which has exceptional retort resistance and processability, without the use of an epoxy resin, as a raw material, having a BPA or other bisphenol skeleton or a biphenol skeleton; and to provide a can having the coating film formed by said aqueous coating composition. This aqueous coating composition comprises a composite resin (C) and water. The composite resin (C) has an epoxy resin (A) component and a carboxyl group-containing acrylate copolymer (B) component. The epoxy resin (A) forming the epoxy resin (A) component is a reaction product having epoxy groups, and is the product of a reaction between the epoxy groups in an expoxy compound having neither a bisphenol skeleton nor a biphenol skeleton and the carboxyl groups of a carboxyl group-containing polyester.
C09D 151/08 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions de revêtement à base de dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C09D 167/00 - Compositions de revêtement à base de polyesters obtenus par des réactions créant une liaison ester carboxylique dans la chaîne principaleCompositions de revêtement à base de dérivés de tels polymères
99.
PRESSURE-SENSITIVE ADHESIVE, PRESSURE-SENSITIVE ADHESIVE SHEET, AND METHOD FOR MANUFACTURING HYDROXYL-TERMINATED URETHANE PREPOLYMER
The present invention provides a pressure-sensitive adhesive that has excellent pot life and excellent initial curability, and that is capable of forming a pressure-sensitive adhesive layer which has excellent wettability and adhesion to materials, and which has good removability even if left under a high-temperature/high-humidity environment. This pressure-sensitive adhesive includes: a hydroxyl-terminated urethane polymer (UPH), which is a product of reaction between one or more species of polyisocyanate (N) and multiple species of active hydrogen group-containing compounds (HX) that contain polyether polyol (HA) having a number average molecular weight of 1,650 or more per functional group and an active hydrogen group-containing compound (HB) having a number average molecular weight of 300 or less per functional group; and a polyfunctional isocyanate compound (I). The active hydrogen group-containing compound (HB) includes an active hydrogen group-containing compound that contains only a primary hydroxyl group as the active hydrogen group.
C09J 175/08 - Polyuréthanes à partir de polyéthers
C08G 18/12 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle utilisant plusieurs composés contenant un hydrogène actif dans le premier stade de la polymérisation
B29C 44/12 - Incorporation ou surmoulage de parties préformées, p. ex. des inserts ou des renforcements
B29C 33/16 - Moules ou noyauxLeurs détails ou accessoires comportant des moyens incorporés pour positionner des inserts, p. ex. marquages contre la paroi du moule utilisant des moyens magnétiques
D06M 11/83 - Traitement des fibres, fils, filés, tissus ou des articles fibreux faits de ces matières, avec des substances inorganiques ou leurs complexesUn tel traitement combiné avec un traitement mécanique, p. ex. mercerisage avec des métauxTraitement des fibres, fils, filés, tissus ou des articles fibreux faits de ces matières, avec des substances inorganiques ou leurs complexesUn tel traitement combiné avec un traitement mécanique, p. ex. mercerisage avec des composés libérant des métaux, p. ex. des métaux-carbonylesRéduction de composés métalliques sur des textiles
D06M 13/02 - Traitement des fibres, fils, filés, tissus ou articles fibreux faits de ces matières, avec des composés organiques non macromoléculairesUn tel traitement combiné avec un traitement mécanique avec des hydrocarbures
D06M 15/227 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone d'hydrocarbures, ou de leurs produits de réaction, p. ex. posthalogénés ou sulfochlorés
D06M 15/333 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone d'alcools non saturés ou de leurs esters d'acétate de vinyleAlcool polyvinylique
B29C 70/88 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts caractérisées principalement par des propriétés spécifiques, p. ex. électriquement conductrices ou renforcées localement
B29C 44/00 - Moulage par pression interne engendrée dans la matière, p. ex. par gonflage ou par moussage
B29K 75/00 - Utilisation de polyurées ou de polyuréthanes comme matière de moulage
B29C 39/10 - Moulage par coulée, c.-à-d. en introduisant la matière à mouler dans un moule ou entre des surfaces enveloppantes sans pression significative de moulageAppareils à cet effet pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés en incorporant des parties ou des couches préformées, p. ex. coulée autour d'inserts ou sur des objets à recouvrir
D06M 23/08 - Procédés dans lesquels l'agent traitant est appliqué en poudre ou sous forme granulaire
C08J 5/04 - Renforcement des composés macromoléculaires avec des matériaux fibreux en vrac ou en nappes
B29L 31/30 - Véhicules, p. ex. bateaux ou avions, ou éléments de leur carrosserie
brevets
