The invention relates to a laser-writable film having a substrate arrangement and a functional layer arrangement, the functional layer arrangement being configured as a hot laminate or as a hot stamping layer arrangement, and being connected to the substrate arrangement by hot laminating or hot stamping, and the functional arrangement being writable via laser irradiation, characterized in that the functional layer arrangement can be removed at least partially via laser irradiation, and forms the lettering by means of the partial removal.
B44C 1/22 - Enlèvement superficiel de matière, p. ex. par gravure, par eaux fortes
B41M 5/24 - Enregistrement par ablation, p. ex. par brûlage de marquesEnregistrement par étincelle
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
The invention relates to an electrode (100) for detecting electric signals on a body surface (4), comprising a carrier layer (2) facing away from the body and an electrolyte layer (3) facing the body, said layer being arranged on the carrier layer (2), wherein the carrier layer (2) has an opening (7) into which a pin-and-socket connector (5) can be inserted such that the pin-and-socket connector forms an electric contact with the electrolyte layer (2).
The invention relates to a carrier film, which is suited particularly for fibrillation, wherein the carrier film is stretched in the longitudinal direction at a stretch ratio of at least 1:7, a migratable, particularly not cross-linked silicon is introduced in the carrier film, and the carrier film is optionally provided on one side or both sides with an adhesive compound.
Disclosed is an adhesive tape comprising a backing which is composed of one or several backing foils. An adhesive material is at least partially applied to at least one side of the backing. Said adhesive tape is characterized in that at least one of the backing foils contains at least one propylene homopolymer, copolymer, or terpolymer while carbon nanotubes (CNT) are provided in at least one of the backing foils.
Heat-activable adhesive tape particularly for producing and further processing electronic components and conductor tracks, with an adhesive composed at least of a) a polyamide having terminal amino and/or acid groups, b) an epoxy resin, c) a compound having a long apolar chain with at least 6 carbon atoms and at least one reactive end capable of reacting with the epoxy resins, d) if desired, a plasticizer, the polyamide reacting with the epoxy resin at temperatures of at least 150°C, and the ratio in weight fractions of a) to b) lying between 50:50 to 99:1.
Heat-activable adhesive tape particularly for bonding electronic components and conductor tracks, with an adhesive composed at least of a) an acid-modified or acid anhydride-modified vinylaromatic block copolymer, b) an epoxide compound and c) a metal chelate.
Heat-activable adhesive tape particularly for producing and further processing electronic components and conductor tracks, with an adhesive composed at least of a) a polyamide having terminal amino and/or acid groups, b) an epoxy resin, c) if desired, a plasticizer, the polyamide reacting with the epoxy resin at temperatures of at least 150°C, and the ratio in weight fractions of a) to b) lying between 50:50 to 99:1.
For the production of a double-sided pressure-sensitive adhesive tape, having a closed and open side, possessing a carrier film (e) provided on both sides with a pressure-sensitive adhesive layer (c, c'), the carrier film (e) being a filmlike carrier film not based on rubber, and there being at least one release film located on the closed side, on the one pressure-sensitive adhesive layer (c), it is envisaged that, from the melt, two identical or different pressure-sensitive adhesives for the pressure-sensitive adhesive layers (c, c'), a film-forming polymer for the carrier film (e), and a film-forming polymer for the release film be formed, that these components be combined to form a composite, and that the pressure-sensitive adhesives be crosslinked by means of physical and/or radiation-chemical treatment.
A heat-activatedly bondable, substantially two-dimensional (旜2D”) diecutting element having a carrier, a first adhesive coating and a second adhesive coating is presented, its carrier taking the form of a carrier film having a first side and a second side, its first adhesive coating being disposed on the first side of the carrier film and comprising at least one heat-activable adhesive, and its second adhesive coating being disposed on the second side of the carrier film and comprising at least one heat-activable adhesive. The carrier film here has, over its two-dimensional extent, a multiplicity of openings which extend continuously through the carrier film from the first side of the carrier film through to the second side of the carrier film.
The invention relates to a peelable adhesive strip which is coated with a pressure-sensitive adhesive at least one side. Said adhesive strip is constituted of the following layers: a core layer having an elongation at tear of at least 300%, an external carrier layer having an elongation at tear of not more than 120% and at least some sections of which are connected to the core layer in such a manner that it becomes detached from the core layer when the same is stretched, a first adhesive layer at least some sections of which are applied to the side of the external carrier layer and which is opposite the side connected to the core layer.
Method for fastening of a component on a joining partner (3) to be enameled, wherein a section of a heat activated adhesive film (1) is heated, so that the adhesive film does not reach a complete cross-linked state, the component (2) being fastened with the section of the not completely cross-linked heat activated adhesive film on the joining partner, the joining partner being enameled together with the fastened component thereon, the enameled joining partner being dried with the fastened component thereon in a thermal drying, wherein the thermal energy leads to a complete cross-linking of the heat activated adhesive film, so that the component is permanently fastened on the joining partner.
F16B 11/00 - Assemblage d'éléments structuraux ou parties de machines par collage ou en les pressant l'un contre l'autre, p. ex. soudage sous pression à froid
12.
SELF-ADHESIVE MATERIAL OF HYDROGENATED BLOCK COPOLYMERS AND PROTECTIVE FILM FOR SMOOTH SURFACES MADE THEREOF
The invention relates to the self-adhesive material of hydrogenated block copolymers or a mixture thereof, comprising polymer blocks of vinyl aromatics (A-blocks) and such made by polymerization of 1,3 dienes (B-blocks), mixing the self-adhesive material with 10 to 80 parts per weight, preferably with 10 to 40 parts per weight polyisobutylene with an average molecular weight Mw in relation to 100 parts by weight Mw of the blockcopolymeres.
C09J 153/02 - Monomères vinyliques aromatiques et diènes conjugués
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
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 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
C09J 123/10 - Homopolymères ou copolymères du propène
13.
SELF-ADHESIVE MATERIAL OF HYDROGENATED BLOCK COPOLYMERS AND PRODUCTIVE FILM FOR SMOOTH AND ROUGH SURFACES PRODUCED THEREOF
The invention relates to the self-adhesive material of hydrogenated block copolymers or a mixture thereof, comprising polymer blocks of vinyl aromatics (A-blocks) and such made by polymerization of 1,3 dienes (B-blocks), wherein the self-adhesive material is mixed with 25 to 100 parts per weight of polyisobutylene with an average molecular weight Mw > 200 000 g/mol, 3 to 40 phr (per hundred rubber = in relation to the blockcopolymeres) adhesive resin and 0,1 to 5 phr light protecting agent in relation to 100 parts per weight of the blockcopolymeres.
The invention relates to a method for producing stampings from thermally activatable adhesive films, said method being characterised in that a) a thermally activatable adhesive material is first applied to a first carrier material, and b) the thermally activatable layer of adhesive material is laminated onto a temporary carrier material ('release liner') under the action of heat, during a subsequent step. The release liner comprises at least one surface based on polyolefins, said surface being non-tacky at room temperature and activatable under the action of heat in such a way that it has adhesive properties. The method is also characterised in that c) the thermally activatable layer of adhesive material on the release liner is subjected to a stamping process.
The invention relates to an adhesive film comprising at least one carrier film and at least one layer of an adhesive material. The invention is characterised in that the carrier film has a tensile strength of at least 50 MPa, measured according to ASTM D882, a haze value of no more than 3 %, measured according to ASTM D1003, and a transmission of at least 80 %, measured according to ASTM D1003, in light with a wavelength of 550 nm; and in that the adhesive film has a transmission of at least 70 %, measured according to ASTM D1003. The invention also relates to the use of a corresponding single-sided or double-sided adhesive film, as an anti-splinter cover for glass windows, especially for electronic consumer items.
Pressure-sensitive adhesive based on a mixture of a chemically cross-linked polyurethane and at least one hydrocarbon resin, the chemically cross-linked polyurethane being composed of the following starting materials, which are reacted catalytically with one another in the ratios given in the presence of the hydrocarbon resin or resins: a) at least one aliphatic or alicyclic polyisocyanate, the functionality of which is less than or equal to three and preferably two, b) a combination of at least one polypropylene glycol diol and one polypropylene glycol triol, the ratio of the number of isocyanate groups to the total number of hydroxyl groups being between 0.8 and 1.15 and preferably between 0.95 and 1.05, the ratio of the number of hydroxyl groups of the diol component to the number of hydroxyl groups of the triol component being between 0.8 and 9.0 and preferably between 1.0 and 4.0, the diols and triols being selected and combined alternatively as follows: diols with a number-average molecular weight Mn of less than or equal to 1000 are combined with triols, the number-average molecular weight Mn of which is larger than or equal to 1000 and preferably larger than or equal to 3000, or diols with a number-average molecular weight of more than 1000 are combined with triols, the number-average molecular weight of which is smaller than 1000, characterized in that at least one hydrocarbon resin is a monomer resin of the styrene / α-methylstyrene type with a number-average molecular weight Mn of between 200 and 6000 and preferably between 500 and 2000, the proportion by weight of the resin in the mixture being more than 0% and extending at most up to and including 55%.
The invention relates to a sheet-like material, particularly for use in a diagnostic strip, comprising a carrier material having a one- or two-sided layer, which comprises at least a surfactant which - is nonionic, - has a critical micelle concentration (CMC) of 0.1 g/l or lower and - has a surface tension of the 0.1% by weight aqueous solution of < 30 mN/m.
G01N 33/487 - Analyse physique de matériau biologique de matériau biologique liquide
G01N 33/52 - Utilisation de composés ou de compositions pour des recherches colorimétriques, spectrophotométriques ou fluorométriques, p. ex. utilisation de bandes de papier indicateur
B01L 3/00 - Récipients ou ustensiles pour laboratoires, p. ex. verrerie de laboratoireCompte-gouttes
18.
USE OF A HALOGEN-FREE FILM IN AN ADHESIVE MASKING TAPE, THE FILM BEING TEARABLE TRANSVERSELY AS A RESULT OF ELECTRON BEAM IRRADIATION
The invention relates to the use of a halogen-free film composed of polyolefins in a single-sided adhesive masking tape used preferably in the two-tone painting of plastic components for external mounting, the film being composed of a mixture composed of a polypropylene or a polypropylene copolymer and of a further polymer, selected from the group of the polyethylenes or ethylene copolymers, the film, before or after coating with the adhesive, being irradiated with electron beams, with a dose between 5 and 100 kGy (kilograys), and the weight fraction of polypropylene or of polypropylene copolymer being at least 20%, based on the entirety of the polyolefins.
Bubble-free bonding adhesive coating with a bonding material and a channel element, whereby the channel element is formed, at least temporarily, with a fitted cavity for the transportation of fluids, the channel element hereto has one thread entity with at least one thread, the channel element and the thread entity are fundamentally parallel to the extent of the surface and aligned with the adhesive coating, and a section of the surface of the thread entity forms a section of the surface of that side of the adhesive coating that is the bubble-free bonding adhesive surface of the adhesive coating.
Pressure-relief valve (10) for a packaging container (1) having a base plate (11) which is fastened to the wall (2) of the packaging container (1) and has a central valve hole (15) which covers through holes (3) in the wall (2) of the packaging container (1), and having a lid film (13) which is fastened on the base plate (11), wherein a valve diaphragm (12) which releases a channel, covers the valve hole (15) and bears sealingly on the base plate (11) in the closed position of the pressure-relief valve (10) is provided between the base plate (11) and the lid film (13), characterized in that the valve diaphragm (12) has a thickness of at least 10 &mgr;m, preferably of from 20 to 70 &mgr;m, a film made preferably from PE, PP or PET is used as material for the valve diaphragm (12), the base plate (11) has a thickness of at least 100 &mgr;m, preferably of from 150 to 250 &mgr;m, and the lid film (13) has a thickness of at least 100 &mgr;m, preferably of from 150 to 250 &mgr;m.
B65D 77/22 - Paquets réalisés en enfermant des objets ou des matériaux dans des réceptacles préformés, p. ex. des boîtes, des cartons, des sacs ou des sachets Détails
The invention relates to adhesive masses containing at least one electroluminescent additive, single and double-sided adhesive strips which are provided with adhesive masses of said type, and to the use of said adhesive masses for sticking together electronic components.
Adhesive tape, which is suitable for the flying roll change of flat web material that is wound upon rolls and has nonpolar surfaces and which comprises an upper self-adhesive compound (1, 11), a splittable backing (2, 12) and a lower self-adhesive compound (3, 13) on the lower side of the splittable backing (2, 12), wherein a silicone-free self-adhesive compound with an adhesive strength on a polyethylene adherend surface of 1.5 N/cm or more (measuring method tesa test A) and a tackiness corresponding to a rolling distance of 200 mm or less (measuring method tesa test D) is used as the upper self-adhesive compound (1, 11) and a self-adhesive compound with an adhesive strength on a polyethylene adherend surface of 1.5 N/cm or more (measuring method tesa test A) and a complex viscosity of 10,000 Pa s or more at 1 rad/s and 40°C (measuring method tesa test F) is used as the lower self-adhesive compound (3, 13).
The invention relates to a label from at least one inflexible carrier layer and an adhesive layer. Said layer is characterized in that a reversibly flexible compensation layer is interposed between the carrier layer and the adhesive layer and is solid at temperatures up to 50 °C and softens or begins to melt at higher temperatures and is capable of balancing out occurring stress.
The invention relates to a label with improved antiforgery security, comprising an adhesive layer applied to the lower face of the support layer. The invention in is characterized in that in or on the bare face of the adhesive layer a plurality of discrete inclusions are present which contain at least one reversibly detective additive. When the label is bonded to a base, the discrete inclusions are forced into the adhesive mass to such a degree that the layers of the label present above the inclusions are deformed, thereby forming haptically distinguishable and optically visible bumps in the surface of the upper support layer.
The invention relates to a label with increased antiforgery security comprising a support laminate that is composed of at last two support layers, an adhesive layer being present on one of the bare faces of the support layers. The invention is characterized in that a separating layer, not applied to the entire surface, is present between the support layers of the support laminate, said separating layer reducing the interlaminar adhesion between the two support layers due to the fact that the adhesive forces of the separating layer in relation to at least one support layer are lower than the adhesive forces of the other support layer.
The invention relates to a flame-resistant halogen-free rolled strip with a film made from thermoplastic polyurethane characterised in that a flame-retardant agent based on phosphorus is chemically incorporated.
The invention relates to a flame-resistant halogen-free wrapping tape with a film made from thermoplastic polyurethane characterised in that a flame-retardant agent based on phosphorus is chemically incorporated.
The invention relates to a thermally-resistant, flame-resistant, halogen-free wrapping tape, characterised by comprising a film made from thermoplastic polyurethane, comprising at least one flame-retardant agent and at least one antioxidant and/or hydrolysis-protective agent as stabilisers.
The invention relates to a thermally-resistant, halogen-free, flame-resistant wrapping tape comprising a thermoplastic polyurethane film, characterised in that the film is made from a hydroxy-group-containing product of polymerisation of tetrahydrofuran, 4,4'-diphenylmethanediisocyanate and butane-(1,4)-diol and contains at least one halogen-free flame-retardant agent.
The invention relates to a pressure-sensitive adhesive tape, in particular for producing or gluing optical liquid crystal displays (LCDs). Said tape has light-reflecting and light-absorbing properties, a lower side and an upper side, and a support film (a) which has an upper side and a lower side, said adhesive tape being provided on both sides with an adhesive layer (b, b'). At least one of the adhesive layers (b) of the adhesive tape is white and a dark primer layer (c) is provided at least between the adhesive mass (b1) on the lower side of the adhesive tape and the support film (a). The particular advantage thereof is if both adhesive layers (b, b') are coloured white.
The invention relates to a pressure-sensitive adhesive tape, in particular for producing or gluing optical liquid crystal displays (LCDs). Said tape has light-reflecting and light-absorbing properties, a lower side and an upper side, and a support film, which has an upper side and a lower side, said adhesive tape being provided on both sides with an adhesive layer. A silver-coloured or metallic layer is provided at least between the adhesive layer on the lower side of the adhesive tape and the support film and a white paint film is provided at least between the adhesive layer on the upper side of the adhesive tape and the support film.
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 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
Use of a self-adhesive protective film for protecting paint coats not fully cured chemically and/or by electron beams or by UV radiation, the said coats having been applied in particular to thermoplastic carrier sheets, characterized in that the protective film is composed of an at least one-layer, pressure-sensitively adhesive polymeric film.
Process for temporary fixing of a polymeric layer material which encompasses at least one viscoelastic layer with the following properties: achievement of a shear stress of at least 1000 Pa in the shear stress time-ramp test at a temperature of 20°C with a shear-stress ramp of 100 Pa/min, without initiating flow of the viscoelastic material, complex viscosity eta* of less than 50 000 Pas in the oscillatory shear test (DMA) at the application temperature and frequency of 0.01 s-1, capability to increase cohesion and, with this, lowering of flowability via crosslinking of the layer, at least some elastomeric character after the crosslinking process for subsequent separation from the surface while leaving no residue after the crosslinking process, on rough surfaces, where the layer material is first laid on the rough surface, energy is introduced in order to lower the viscosity of the at least one viscoelastic layer in the layered composite, in such a way that flow onto the rough surface takes place, and the layer is crosslinked in such a way as to produce a layer which has at least some elastomeric character and which at least to some extent wets the rough surface.
H01L 21/68 - Appareils spécialement adaptés pour la manipulation des dispositifs à semi-conducteurs ou des dispositifs électriques à l'état solide pendant leur fabrication ou leur traitementAppareils spécialement adaptés pour la manipulation des plaquettes pendant la fabrication ou le traitement des dispositifs à semi-conducteurs ou des dispositifs électriques à l'état solide ou de leurs composants pour le positionnement, l'orientation ou l'alignement
Use of a double-sided adhesive tape for fastening silicone rubbers, the adhesive tape comprising a carrier and two layers of adhesive, the first layer of adhesive being composed of an acrylate-based pressure-sensitive adhesive, and the second pressure-sensitive adhesive being composed of a crosslinked silicone pressure-sensitive adhesive.
The invention relates to a method for producing pressure-sensitive adhesives that have low or no anisotropy, the process elements including an adhesive supply system, an application unit and a placement element. A melt strip of the pressure-sensitive adhesive is produced between the outlet of the application unit and the point of placement on the placement element and is stretched. The invention is characterized by controlling the stretching of the pressure-sensitive adhesive in the free melt strip by adjusting an effective ratio G which is defined as the ratio of the effective time ﶴt of the stretching to the stretching rate R, and which is adjusted to a value of at least 0.006 s2 or to a value of not more than 0.004 s2. The effective time ﶴt is defined by the formula 2Lr/⏧vstrip(1 +r)] wherein L is the length of the melt strip, r is the stretching ratio and vstrip is the speed of the melt strip, and the stretching rate R is defined as a temporal derivative of the stretching ratio r.
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 5/00 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces
36.
METHOD FOR PRODUCING LOW ANISOTROPY PRESSURE-SENSITIVE ADHESIVES
The invention relates to a method for producing pressure-sensitive adhesives that have low or no anisotropy, the process elements including an adhesive supply system, an application unit and a placement element. A melt strip of the pressure-sensitive adhesive is produced between the outlet of the application unit and the point of placement on the placement element and is stretched. The invention is characterized by controlling the stretching of the pressure-sensitive adhesive in the free melt strip by adjusting an effective ratio G which is defined as the ratio of the effective time ﶴt of the stretching to the stretching rate R, and which is adjusted to a value of not more than 0.008 s2. The effective time ﶴt is defined by the formula 2Lr/⏧vstrip(1 +r)] wherein L is the length of the melt strip, r is the stretching ratio and vstrip is the speed of the melt strip, and the stretching rate R is defined as a temporal derivative of the stretching ratio r.
The invention relates to a splittable adhesive tape (1) with a left-hand (l) and a right-hand (r) delimiting edge, wherein at least one of these two edges (l, r) is unstraight. The unstraight edge (l) has projections (V), which are rounded at their furthest projecting points (v).
B65H 35/08 - Délivrance d'articles à partir de machines à découper ou à perforer linéairementAppareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p. ex. distributeurs de bande adhésive à partir de coupeuses ou de perforatrices transversales ou avec ces appareils à partir de découpeuses ou perforatrices rotatives, p. ex. à cylindre, ou avec ces appareils
The invention relates to a self-adhesive tape (100) with a backing (10) and an adhesive layer (11). In order to clearly identify an unauthorized opening of a package closed with the self-adhesive tape (100), a primer layer (12) is applied in areas to the backing (10), and a separating layer (13) is placed in an all-over manner between the adhesive layer (11) and primer layer (12) or backing (10).
Self-adhesive protective film for covering, in particular, digital graphics, prints, photographs, reproductions, posters, brochures, pictures, plans, maps and books, consisting of a halogen-free, transparent or translucent backing film coated on one side with a pressure-sensitive adhesive and on the other side with a preferably polysiloxane-based release lacquer.
Adhesive tape comprising a spunbonded backing, one-sidedly coated at least partially with a pressure-sensitive adhesive, for thermal welding such as HF welding and ultrasonic welding on a polymeric substrate, the adhesive being based on natural rubber or acrylate and the adhesive incorporating fibres which do not melt in a thermal welding process.
Use of an adhesive tape comprising a spunbonded backing one-sidedly coated at least partially with a pressure-sensitive adhesive, in a thermal welding operation such as HF welding or ultrasonic welding in which the backing of the adhesive tape forms a cured fusional bond with the polymeric substrate.
B29C 65/50 - Assemblage d'éléments préformésAppareils à cet effet en utilisant des adhésifs utilisant des rubans adhésifs
B60R 16/02 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques
C09J 7/04 - sur papier ou tissus (garnitures absorbantes, bandages ou pansements adhésifs A61L 15/16)
42.
ADHESIVE SHEET BASED ON NITRILE RUBBER BLENDS FOR ATTACHING METAL PARTS TO PLASTICS
Heat-activable adhesive sheet furnished with an adhesive comprising a blend of at least three synthetic nitrile rubbers, S1, S2 and S3, and at least one reactive resin which is capable of crosslinking with itself, with other reactive resins and/or with the nitrile rubbers S1, S2 and S3, a) the blend of the heat-activable sheet being microphase-separated, characterized by at least three different glass transition temperatures in the DSC, b) the blend of the heat-activable sheet possessing at least 3 glass transition temperatures, at least one glass transition temperature being greater than 10°C and one glass transition temperature lower than -20°C , c) the nitrile rubber or rubbers S1 having an acrylonitrile fraction of greater than/equal to 35%, d) the nitrile rubber or rubbers S2 having an acrylonitrile fraction of greater than 25% and less than 35%, e) the nitrile rubber or rubbers S3 having an acrylonitrile fraction of less than/equal to 25%.
The invention relates to a pressure-sensitive adhesive (PSA) tape, intended in particular for producing or bonding optical liquid-crystal data displays, having two PSA layers (b, b’) and at least one carrier sheet (a), characterized in that the PSA tape has light-reflecting properties on both its top and bottom faces and at the same time is light-absorbing at least in so far as light not reflected is unable to penetrate the adhesive tape. The PSA tape is implemented in particular in such a way that at least between one face of the carrier sheet and the PSA layer located on that face there is a white paint layer (c). With preference a metallic layer (d) is provided between the carrier sheet and the white paint layer.
The invention relates to a pressure-sensitive adhesive (PSA) tape, intended in particular for producing or bonding optical liquid-crystal data displays, having two PSA layers and at least one carrier sheet, characterized in that the PSA tape has light-reflecting properties on both its top and its bottom faces and at the same time is light-absorbing at least in so far as light not reflected is unable to penetrate the adhesive tape. With preference a white primer layer is provided at least between one face of the carrier sheet and the PSA layer located on that face.
Pressure-sensitive adhesive (PSA) tape, intended in particular for producing or bonding optical liquid-crystal data displays (LCDs), having a carrier sheet and two PSA layers, the carrier sheet having translucent properties and there being a metallic layer and a white-coloured layer between the carrier sheet and at least one of the PSA layers.
C09J 11/04 - Additifs non macromoléculaires inorganiques
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 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
brevets
