A composition includes at least one polyisocyanate, particles of at least one basic metal compound, and at least one first additive which is a chelating agent including at least two functional groups capable of binding to a cation of the metal. Furthermore, a kit including the composition and a second composition containing water, the use of the composition for creating a coating and a process related thereto.
Methods for the treatment of non-hardened cement compositions, especially returned concrete, and to admixtures suitable to be used in such methods. Admixtures included modified starch and a sugar. Further, solid granules obtained by such methods and fresh concrete or mortar utilizing solid granules thus obtained.
C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
C04B 103/00 - Function or property of the active ingredients
3.
COPOLYMERS OF CARBOXYLATES AND POLYETHERS COMPRISING POLYETHER SIDE CHAINS OF DIFFERENT LENGTH, AND USE THEREOF IN MINERAL BINDER COMPOSITIONS
Copolymers having or consisting of: monomeric units of the general formula (I), monomeric units of the general formula (II), and monomeric units of the general formula (III). The present invention also relates to the use of such copolymers as plasticizers for mineral binder compositions.
Copolymers having or consisting of: monomeric units of the general formula (I), monomeric units of the general formula (II), and monomeric units of the general formula (III). The present invention also relates to the use of such copolymers as plasticizers for mineral binder compositions.
A polyurea composition includes a first component A with at least one isocyanate-functional polyurethane polymer P1 and a second component B including a blocked amine BA and preferably a polyamine PA having a molecular weight in the range from 60 to 500 g/mol. The polyurea composition further includes a silane S1 selected from the list consisting of isocyanatosilanes S1-1 and epoxy silanes S1-2 as well as an aminosilane S2. The polyurea composition is notable for being suitable for providing a primer system for floor coating system which ensures sufficient adhesion to concrete, can cure at temperatures below 0° C., preferably below −10° C., without bubble formation and ensures sufficient applicability to be roller applied at temperatures below 0° C.
A composition includes a first component A including at least one polyaspartic ester P1 and a second component B including an aliphatic polyisocyanate B1, an isocyanate prepolymer B2 and an isocyanate-functional polyurethane polymer B3, wherein the weight ratio B1/B2/B3 is in the range of 1-4:1-4:5. The composition is notable for providing a floor coating system, especially for carpark floors, which cures below 4° C., preferably below −10° C., and ensures sufficient applicability and long open time to be roller applied.
C09D 175/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/46 - Polycondensates having carboxylic or carbonic ester groups in the main chain having hetero atoms other than oxygen
C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
E04F 15/12 - Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo
6.
CURABLE POLYMER COMPOSITIONS CONTAINING ISOCYANATES, ALDIMINES AND COMPOUNDS WITH ACTIVATED METHYLENE GROUPS
The invention relates to a curable composition comprising at least one polymer containing isocyanate groups, at least one aldimine L with aldimine groups of the formula (I), and at least one compound V with activated methylene groups of the formula (II), where Y is a radical of the formula (A), R is a monovalent hydrocarbon radical having 1 to 10 carbon atoms and R1 is an alkyl radical having 1 to 6 carbon atoms, where, relative to the overall composition, the ratio of the number of aldimine groups of the formula (I) to the number of isocyanate groups is not more than 1 and the ratio of the number of activated methylene groups of the formula (II) to the number of aldimine groups of the formula (I) is at least 1. The composition is particularly suitable as an elastic adhesive or sealant. With readily available aldimines, even without exposure to moisture and without forming bubbles, the composition cures reliably to afford an elastic polymer; with aldimines derived from volatile aldehydes such as benzaldehyde, no odour is developed.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/18 - Catalysts containing secondary or tertiary amines or salts thereof
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/34 - Carboxylic acidsEsters thereof with monohydroxyl compounds
A method for producing a dry wall and/or a dry ceiling comprising a supporting framework and at least one board, comprising the steps of: a) Providing and/or obtaining a supporting framework, b) Providing and/or obtaining at least one board, c) Applying an adhesive to the supporting framework and/or the board; and d) Placing the board onto the supporting framework, such that the board and the supporting framework are connected to each other by the adhesive to obtain a bonded composite, whereby a green strength of the adhesive is such that a structure of the bonded composite remains essentially intact when the bonded composite is lifted at the supporting framework and/or at the board immediately after step d), and whereby a green strength of the adhesive is the initial level of cohesion and adhesion that the adhesive possesses right after it has been applied but before it has fully cured and the green strength is such that the board in relation to the supporting framework remains in its initial position in which it was placed in step d) when the bonded composite is lifted at the supporting framework and/or at the board 0 – 10 minutes, especially 0.1 – 5 minutes, particularly 0.5 – 1 minutes, after step d), and whereby the adhesive is configured such that, directly after application to a vertical surface it can hold a flat planar element with a surface weight of 20 g/cm2 or more pressed onto the adhesive to form a layer thickness of the adhesive of 3 mm and a full surface bonding between the vertical surface and the flat planar element, whereby the element bonded in this way does not slip more than 10 mm during 1 minute.
The invention describes a process for preparing a biobased binder from a solid residue, which is a dried solid digestate from biogas production, wherein the process comprises milling or macerating a slurry of the solid residue in solvent, preferably water, to form the binder. The invention is further directed to a construction material comprising or consisting of such a biobased binder and the use of such a construction material.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
9.
CURABLE POLYMER COMPOSITIONS CONTAINING ALDIMINES, POLYISOCYANATES AND COMPOUNDS HAVING ACTIVATED METHYLENE GROUPS
The invention relates to a curable composition comprising at least one aldimine L having aldimine groups of formula (I), optionally at least one polyol, at least one polyisocyanate, and at least one compound V having activated methylene groups of formula (II), wherein, based on the total composition, the ratio of the number of isocyanate groups to the sum of the number of aldimine groups plus hydroxyl groups is at least 0.9, and wherein the ratio of the number of activated methylene groups of formula (II) to the number of aldimine groups of formula (I) is at least 1. The composition is particularly suitable as a resilient coating having high strength, as a toughened coating having a particularly low tendency to form bubbles, or as a toughened adhesive. The composition cures using easily accessible aldimines derived from volatile aldehydes such as benzaldehyde, without odours, to form a high-quality polymer having a high tear-growth resistance.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The present invention relates to computer implemented methods and systems comprising a computer device to determine a construction composition and the associated environmental impact. The present invention also relates to computer implemented methods and systems comprising a computer device to determine a construction admixture suitable to produce construction compositions according to specification and to provide the environmental impact associated with the cured construction composition.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
G06F 30/20 - Design optimisation, verification or simulation
G16C 20/30 - Prediction of properties of chemical compounds, compositions or mixtures
G16C 60/00 - Computational materials science, i.e. ICT specially adapted for investigating the physical or chemical properties of materials or phenomena associated with their design, synthesis, processing, characterisation or utilisation
The present invention relates to cementitious compositions with high replacement levels of cement by laterite and comprising an activator selected from alkali metal or alkaline earth metal salts of hydroxide, formate, chloride, sulphate, and/or nitrate. The present invention also relates to uses of such cementitious compositions as tile adhesive.
C04B 14/36 - Inorganic materials not provided for in groups
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 103/00 - Function or property of the active ingredients
The invention relates to one-component moisture-curable silicone composition comprising at least one crosslinkable polydiorganosiloxane having alkoxysilane end groups, at least one condensation catalyst, at least one crosslinker having alkoxysilane groups, preferably at least one non-reactive polydiorganosiloxane plasticizer, optionally further ingredients, between 0.01 wt.-% and 2.0 wt.-%, preferably between 0.1 wt.-% and 1 wt.-%, based on the total composition, of at least one radical scavenger, characterized in that said radical scavenger is selected from hindered amine light stabilizers that do not contain an N—H group in their molecular structure.
The invention relates to one-component moisture-curable silicone composition comprising at least one crosslinkable polydiorganosiloxane having alkoxysilane end groups, at least one condensation catalyst, at least one crosslinker having alkoxysilane groups, preferably at least one non-reactive polydiorganosiloxane plasticizer, optionally further ingredients, between 0.01 wt.-% and 2.0 wt.-%, preferably between 0.1 wt.-% and 1 wt.-%, based on the total composition, of at least one radical scavenger, characterized in that said radical scavenger is selected from hindered amine light stabilizers that do not contain an N—H group in their molecular structure.
The one-component composition is shows superior storage stability and pumpability and is suitable, for example, as industrial adhesive.
A polymeric coating composition for application to a substrate includes a polymer matrix and an organic polymeric aggregate. The polymeric aggregate is utilized as a partial or complete replacement for aggregate containing free respirable crystalline silica traditionally included in anti-slip or anti-skid coating compositions. Methods of making the coating and coating a substrate with the coating composition to provide a slip- or skid-resistant coating on a surface of a substrate are also disclosed.
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
SIKA TECHNOLOGY AG (Switzerland)
Inventor
Hitomi, Takashi
Taguchi, Nobuko
Shirai, Takashi
Sugiyama, Takafumi
Saitoh, Kaname
Abstract
[Problem] To improve workability. [Solution] This method comprises: a first step for subjecting fly ash to unburned carbon removal processing, thereby generating unburned carbon removal processed fly ash; a second step for subjecting the unburned carbon removal processed fly ash to mechanochemical processing and activating the surface of the unburned carbon removal processed fly ash; a third step for mixing a strong alkaline solution together with a silicon fine powder and preparing a silicon mixture in which a silicon component is eluted in the strong alkaline solution; and a fourth step for mixing the unburned carbon removal processed fly ash which has undergone surface activation together with the silicon mixture.
A method for producing on a surface a curable mineral binder based 3D object having a circumferential side wall and a base with an additive manufacturing device, the method including the steps of: producing the circumferential side wall by applying, at a non-zero angle relative to the surface, a plurality of layers of a first curable mineral binder composition with a movable printing head of the additive manufacturing device; producing the base by applying onto the surface at least one of the first curable mineral binder composition and a second curable mineral binder composition with the movable printing head; wherein producing the circumferential side wall and producing the base are carried out such that the base is abutting the circumferential side wall.
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
A multi-component composition comprising a first component including water, and a second component including at least one hydraulic binder, wherein the multi-component composition includes a copolymer CP, wherein the copolymer is a vinyl versatate copolymer CPA, and/or a copolymer based on styrene and (meth) acrylic acid esters CPB. The amount of hydraulic binder, based on the total weight of the multi-component composition, is from 25-65 weight-%. The multi-component composition is especially suitable as a flooring material for industrial floors and car parks.
E01C 7/35 - Topping or surface dressingsMethods of mixing, impregnating, or spreading them
E01C 19/16 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
E01C 19/48 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface
A mortar composition includes: 15-50 wt.-% of a mineral binder, whereby with respect to 100 parts by weight of the mineral binder, the mineral binder includes 40-70 parts by weight of cement and 30-60 parts by weight of a cement substitute based on clay, limestone and gypsum and whereby, with respect to 100 parts by weight of the cement substitute, the cement substitute includes 35-65 parts by weight of clay, especially calcined clay, 1-20 parts by weight of gypsum, and rest to 100 parts by weight of limestone; 50-80 wt.-%, especially 62-65 wt.-%, of aggregates, especially sand; 0-10 wt.-%, especially 0-6 wt.-% of one or more additives; whereby all of the wt.-% are with respect to the dry weight of the mortar composition.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
The invention relates to a one-component moisture-curable composition, comprising at least one organic polymer containing on average at least two reactive silane end groups, at least one reactive plasticizer containing on average 1 to 1.5 reactive silane end groups, optionally a filler and optionally at least one additive. The one-component moisture curable composition can be formulated to show excellent properties for application in non-bleed sealants. The invention also reduces the amount of hazardous phthalate-containing plasticizers.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The gas protection element comprising an expandable material and a carrier element. The carrier element comprises a first flat side and an end face surrounding the first flat side. The end face substantially surrounds the entire first flat side. The expandable material is arranged on the first flat side of the carrier element. The expanded material, being the expandable material in an expanded state, is heat resistant. The gas protection element fulfils at least one of the following conditions: - the first flat side of the carrier element comprises at least one rip; - the expandable material is arranged on the end face of the carrier element.
A fiber-reinforced structure, especially a fiber reinforced concrete structure, includes a multitude of composite fibers distributed within a matrix of a construction material, especially a mineral binder based construction material, whereby each composite fiber includes non-metallic load-bearing fibres kept by and/or embedded in an organic synthetic material, and whereby each composite fiber has a linear density of 25-500 tex, especially 50-350 tex.
A one-component thermosetting epoxy resin composition, including: at least one epoxy resin having on average more than one epoxide group per molecule; at least one latent hardener for epoxy resins; at least one physical or chemical blowing agent, and at least one reaction product of at least one carboxyl group containing acrylonitrile/butadiene rubber with at least one vinyl ether monomer of the general formula CH═CH—O—R wherein R is a branched or linear alkyl group, preferably linear alkyl group, having between 8-16 carbon atoms.
C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
C08F 279/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group on to polymers of conjugated dienes
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof from compositions containing microballoons, e.g. syntactic foams
A method for continuously producing a processable mineral binder-based foam includes the steps of: a) continuously introducing at least the following components into a dynamic mixing device: a curable mineral binder-based material, water and an air entraining agent; b) mixing the components in the dynamic mixing device in contact with a gas phase to produce a processable mineral binder-based foam; and c) continuously removing the processable mineral binder-based foam from the mixing device; whereby steps a), b) and c) take place simultaneously.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
C04B 103/30 - Water reducers, plasticisers, air-entrainers
The invention relates to a curable composition comprising: at least one polyester polymer A with ketoester groups of formula (I), having an average functionality of at least 2 and an average equivalent weight of at least 400 g/eq; at least one compound B with ketoester groups of formula (I) and an equivalent weight of 114 to 250 g/eq, where R is a monovalent hydrocarbon radical with 1 to 10 carbon atoms; and at least one aldimine L with aldimine groups of formula (II) and an aldimine equivalent weight of 110 to 350 g/eq, where Z is an aromatic or heteroaromatic five- or six-membered ring that is optionally substituted and/or fused and comprises a total of 4 to 25 carbon atoms, the weight ratio between compounds B and polyester polymers A being between 25/75 and 85/15, and the ratio between the number of ketoester groups of formula (I) and the number of aldimine groups of formula (II) being between 2 and 3. The composition is free from toxic ingredients, not sensitive to moisture, and cures under ambient conditions without emissions and unpleasant odours to form a tough-elastic polymer with high hardness, high tear resistance, and good extensibility. The composition is particularly suitable as a tough-elastic adhesive, sealant, or coating.
C08G 63/91 - Polymers modified by chemical after-treatment
C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
C09D 133/08 - Homopolymers or copolymers of acrylic acid esters
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chainCoating compositions based on derivatives of such polymers
24.
CURABLE COMPOSITIONS CONTAINING FUNCTIONAL POLYETHERS AND ALDIMINES
The invention relates to a curable composition comprising: at least one polyether polymer A with ketoester groups of formula (I) or aldimine groups of formula (II), having an average functionality of 1.7 to 3.0 and an average equivalent weight of at least 500 g/eq; at least one compound B with ketoester groups of formula (I) and an equivalent weight of 114 to 250 g/eq; and at least one aldimine L with aldimine groups of formula (II) and an aldimine equivalent weight of 110 to 350 g/eq, the ratio between the number of ketoester groups of formula (I) and the number of aldimine groups of formula (II) being between 2 and 3. The composition is free from toxic ingredients, not sensitive to moisture, and cures under ambient conditions without emissions and unpleasant odours to form an elastic polymer with high extensibility and surprisingly high tear resistance. The composition is particularly suitable as an elastic adhesive, sealant, or coating.
This invention relates to methods for the controlled introduction of air in a cementitious material comprising fly ash where a polymeric dispersant, at least one air-entraining agent, at least one anti-foam agent, and water is intergrinded and/or intermixed. This invention also relates to computer implemented methods to determine proportions of admixture constituents to be added for the controlled introduction of air to a cementitious material comprising fly ash.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
A method to produce a calcined mineral binder material includes the steps of: a) providing a source material including a mineral binder material, carbonating the source material with carbon dioxide such that the mineral binder material is at least partially, in particular essentially completely, carbonated to produce a carbonated product; b) calcining a carbonate-containing material to produce a calcined mineral binder material and carbon dioxide as side product; whereby in step a) the carbon dioxide side product of step b), optionally in combination with further carbon dioxide from a different source, is used as the carbon dioxide for carbonation of the source material; and in step b) the carbonate-containing material includes the carbonated product of step a), and optionally other material.
A method of producing a laminate, wherein a wood body is provided, a curable composition in the liquid state is applied thereto, and the composition cures, wherein the composition contains at least one organic binder and at least 80% by weight of mineral fillers, based on the overall composition. The method enables permanent bonding of wood bodies and compositions that are based on organic binder and have a high content of mineral fillers. The laminates obtained from the method are comparatively lightweight, stable and durable, and are particularly suitable as sustainable components in building construction, especially as a roof element.
B27N 7/00 - After-treatment, e.g. reducing swelling or shrinkage, surfacingProtecting the edges of boards against access of humidity
B05D 7/06 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
E04F 13/10 - Coverings or linings, e.g. for walls or ceilings composed of covering or lining elementsSub-structures thereforFastening means therefor composed of a plurality of similar covering or lining elements of wood
28.
(METH)ACRYLATE-BASED ADHESIVE FOR CORNER ANGLE BONDING
A two-component composition for use as a free-radically curing adhesive for bonding of corner angles, frames or profiles in window, door, container or vehicle construction. The composition is composed of a component K1 and a component K2. The composition contains at least 50% by weight, preferably between 60% by weight and 75% by weight, of filler based on the mixture of the components K1 and K2. The compositions have good mechanical properties and adhesion to substrates employed in these applications, they additionally have a low viscosity and they can be formulated without volatile, strongly malodorous monomers such as MMA.
A polyurethane composition, including at least one polyurethane prepolymer containing an isocyanate group; and tung oil at the rate of 0.7-2.5 wt % of the total weight of the composition. Also, a method for improving the chalking resistance of a polyurethane composition coating layer, especially with a high carbon black content, the method including adding tung oil to a polyurethane composition containing at least one polyurethane prepolymer containing an isocyanate group, before curing, at the rate of 0.7-2.5 wt % of the total weight of the polyurethane composition.
A method of printing a 3-dimensional object, the method including the steps of mixing a dry cementitious composition with water, conveying the mixture obtained to a print head, applying the mixture from the print head layer-by-layer to form a 3-dimensional object, curing the 3-dimensional object, wherein the dry cementitious composition includes at least one cement, at least one type of slag, at least one activator for the slag, and at least two lightweight aggregates of different particle size.
A moisture curable adhesive composition including at least one isocyanate-functional polyurethane polymer P obtained by reacting: a) a polyol composition including a1) at least one at 25° C. solid polyester polyol PO1 and a2) at least one polyether polyol PO2, and b) at least one polyisocyanate PI, wherein the at least one polyether polyol PO2 has a hydroxyl-number determined according to ISO 4629-2:2016 standard of at least 100 mg KOH/g, preferably at least 150 mg KOH/g. The adhesive composition can also be used as an assembly adhesive, laminating adhesive, or as an adhesive for the building of sandwich elements, particularly as an interior laminating adhesive in automotive industry.
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
32.
USE OF ADHESIVES, SEALANTS, OR COATINGS ON GREEN CONCRETE AND OTHER HIGHLY ALKALINE SUBSTRATES
The use of a water-based polymer dispersion composition including more than 20% by weight, based on the total composition, of at least one water-dispersed polymer P, dispersed in water in a concentration between 40 and 80% by weight based on the dispersion of water-dispersed polymer P, at least one surfactant, at least one dispersant, and optionally at least one plasticizer PL having at least one ester or ether group, as an adhesive, sealant, or coating applied onto at least one alkaline substrate having a pH of at least 10 when wetted with water. The at least one water-dispersed polymer P has a glass transition temperature Tg, determined with DSC according to ISO 11357 standard, of <0° C. The alkaline substrate is fresh concrete, fresh cement mortar, fresh lime mortar, or a fresh lime or silicate paint.
The invention relates to a thermosetting one-component epoxy resin composition comprising at least one liquid aromatic epoxy resin A1, at least one solid epoxy resin A2, at least one curing agent B for epoxy resins, at least one core-shell polymer D1 and at least one terminally blocked polyurethane polymer D2. The weight ratio of the at least one liquid epoxy resin A1 to the at least one solid epoxy resin A2 (A1/A2) is from 1.75 – 3.75 and wherein the weight ratio of the at least one core-shell polymer D1 to the at least one terminally blocked polyurethane polymer D2 (D1/D2) is from 1.2 – 4. The epoxy resin compositions that have sufficient lap shear strength without additional metal joining techniques after preliminary curing. Furthermore, the fully cured epoxy resin compositions provide good values for mechanical strength, lap shear strength, impact peel, glass transition temperature (Tg) and fatigue resistance.
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
34.
ONLINE RHEOLOGY DETERMINATION IN ADDITIVE MANUFACTURING PROCESSES
A method for producing a three-dimensional object from a curable binder composition with an additive manufacturing process, the method including the steps of: producing the curable binder composition in the setting state, preferably by mixing the constituents of the curable binder composition in a mixing unit, conveying the curable binder composition in the setting state via a supply line to a printing head movable in at least one spatial direction, applying the curable binder composition in the setting state by means of the printing head, wherein the curable binder composition is preferably applied layer-by-layer, to form the three-dimensional object, determining a pressure drop over a length section of the supply line with at least two pressure measuring device(s), optionally, determining a flow rate of the curable binder composition in the supply line, optionally determining a temperature of the curable binder composition in the supply line.
The invention relates to a crosslinkable foamable composition with a low content of monomer isocyanates, containing, in each case with respect to the total composition: a) 50 to 90 wt.% of at least one prepolymer produced by reacting at least one linear unbranched C3 or C4 polyether diol and optionally up to 25 wt.%, with respect to all of the polyols used, of additional polyether polyols, and at least one monomer diisocyanate in an NCO/OH ratio of > 2/1 and subsequently removing excess monomer diisocyanate, b) 0.2 to 20 wt.% of an additive, and c) 9 to 40 wt.% of at least one propellant, wherein the at least one prepolymer has a residual monomer content of less than 0.5 wt.%, with respect to the prepolymer. The composition is suitable as a flexible single-component polyurethane foam which has a high load-bearing capacity and which has excellent elastic properties, a high degree of flexibility, and a good relaxation behavior but which does not require hazardous substance labeling.
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
36.
MOISTURE-CURING RTV SILICONE COMPOSITION WITH A HIGH DEGREE OF TEAR PROPAGATION RESISTANCE AND HIGH STORAGE STABILITY
The invention relates to a moisture-curing silicone composition, comprising at least one crosslinkable polydiorganyl siloxane with alkoxysilane terminal groups, at least one condensation catalyst, at least one crosslinking agent with alkoxysilane groups, at least one ground chalk, which makes up at least the main component of all of the contained fillers, and optionally additional contents. The invention is characterized in that the ground chalk has a particle size d50, determined according to the Standard ISO 13320:2009, of more than 0.6 µm and less than 2 µm. The composition is particularly suitable as a low-modulus sealant and has excellent tear propagation resistance and an excellent storage stability, in particular in the form of an RTV-1 formulation.
The invention relates to a crosslinkable foamable polyurethane composition which is suitable for use as a polyurethane foam with flame-retardant properties, containing: - at least one isocyanate group-containing prepolymer, - at least one propellant, and - additives selected from foam stabilizers, catalysts, viscosity regulators, cell openers, flame retardants, non-reactive polymers, dyes or pigments, and/or UV stabilizers, wherein the polyurethane composition contains, in each case based on the total composition, a) between 0.05 and 2.0 wt.% of at least one cell opener, b) between 0.5 and 5 wt.% of at least one foam stabilizer, c) and optionally less than 5 wt.% of halogenated and/or phosphate ester-based flame retardants. The invention is characterized in that the cell opener is selected from unsaturated polyolefin oils, in particular polybutadienes, paraffin oils, silicone oils, or any mixtures thereof. The composition is suitable as an assembly foam with improved flame retardant properties while requiring only very low quantities of conventional flame-retardant additives or while not requiring any conventional flame-retardant additives at all, such as halogenated and/or phosphate ester-based flame retardants.
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
PROCESSES FOR THE PRODUCTION OF POLYCARBOXYLATE ETHER COPOLYMERS IN THE SOLID STATE, POLYCARBOXYLATE ETHER COPOLYMERS IN THE SOLID STATE PRODUCED THEREBY, AND MINERAL BINDER COMPOSITIONS COMPRISING THE SAME
Processes for the production of polycarboxylate ether copolymers in the solid state, polycarboxylate ether copolymers in the solid state produced thereby, and mineral binder compositions including the same. The processes include the steps of providing a first type of monomer, treating the first type of monomer with an acid, providing a second type of monomer, copolymerizing the acid-treated first type of monomer and the second type of monomer to obtain a copolymer which is a polycarboxylate ether, and transferring the copolymer thus obtained into the solid state.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
The invention relates to a moisture-curing silicone composition, comprising at least one crosslinkable polydiorganyl siloxane with alkoxysilane terminal groups, at least one condensation catalyst, at least one crosslinking agent with alkoxysilane groups, and optionally additional contents. The invention is characterized in that the condensation catalyst is a reaction product obtained from a reaction of a metal complex equivalent, comprising between 0.1 and 1 equivalents of a phosphoric or organic phosphonic acid, preferably a partially esterified phosphoric or organic phosphonic acid, wherein the metal complex MC is a titanium (IV), zirconium (IV), or aluminum (III) complex, preferably a titanium (IV) complex, with at least one alkoxy ligand and at least one organic chelating ligand. The composition is particularly suitable as a low-modulus adhesive or sealant and has excellent mechanical properties, such as tensile strength and tear propagation resistance, and an excellent storage stability, in particular in the form of an RTV-1 formulation.
A moisture-curing polyurethane composition includes at least one polyether urethane polymer P1 containing isocyanate groups and having a monomeric diisocyanate content of not more than 0.5% by weight, more than 20% by weight of carbon black, optionally not more than 2% by weight of a room temperature solid polyurethane polymer P2, obtained from the reaction of at least one monomeric diisocyanate with at least one at least semicrystalline polyester polyol or polycarbonate polyol in an NCO/OH ratio of at least 1.3/1, and optionally up to 5% by weight of a polyether urethane polymer P3, obtained from the reaction of at least one monomeric diisocyanate with at least one polyether diol having an average molecular weight Mn of not more than 2500 g/mol in an NCO/OH ratio of at least 1.3/1, with the proviso that at least one of the polymers P2 and P3 is present in the composition.
The invention relates to a nozzle (10) for a device for manufacturing a component in layers, in particular for 3D-printing a blank, comprising a main part (11) and at least one nozzle channel (12) which runs through the main part (11). The nozzle channel (12) has a first channel section (13) with an inlet opening (14) and an adjacent second channel section (15) with an outlet opening (16) for a viscous material mixture, in particular a two-component system, wherein the second channel section (15) expands starting from the first channel section (13) such that the outlet opening (16) has an outlet diameter DA which is larger than the diameter DE of the inlet opening (14), and the second channel section (15) is designed as an inner cone (20). The main part (11) comprises, at the outlet opening (16), at least one nozzle edge (22) onto which an inner surface (23) of the inner cone (20) runs, and the main part (11) has a second body region (18) which comprises the second channel section (15) and the wall thickness (21) of which decreases towards the outlet opening (16).
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
The invention is directed to an adhesive composition containing: a) A styrene block copolymer component SC, b) At least one tackifying resin TR, and c) At least one thermoplastic resin TP and/or at least one polyolefin wax PW, wherein the styrene block copolymer component SC comprises at least one styrene isoprene styrene (SIS) triblock copolymer SC1 having a polystyrene content of at least 25 wt.-%, preferably at least 35 wt.-% and/or a diblock content of not more than 10 wt.-%, preferably not more than 5 wt.-%.
A method for producing a three-dimensional object from a curable binder composition with an additive manufacturing process, whereby before application of the curable binder composition, at least one, for example at least two, especially at least three, in particular at least four, coloring suspension(s) includes a color pigment and a solvent, especially water, is added to the curable binder composition to color the curable binder composition.
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
A mold-proof polyurethane composition, and a preparation method therefor and a use thereof. The composition comprises at least one polyether-based polyurethane prepolymer, at least one plasticizer, at least one mold-proof agent selected from organic mold-proof agents free of active H, and at least one inorganic filler. The polyether-based polyurethane prepolymer is a reaction product or a mixture of reaction products of at least one polyether polyol and at least one aromatic polyisocyanate, wherein the at least one polyether polyol comprises at least one polyether diol and at least one polyether triol and the weight ratio of the at least one polyether triol to the at least one polyether diol is in a range of 4:1 to 13:1. The composition can be particularly used for mold-proof bonding or sealing of a structure in the building field or can be used for mold-proof bonding or sealing of a surface of a product.
A method for producing a sealing element including a polymeric carrier layer and one or two functional coatings, wherein the functional coatings are formed by strewed one or more particle-based compositions to the surface of the polymeric carrier layer. Also, a sealing element and the use of the sealing element.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
The invention is directed to a method for installing a cover strip between a roofing membrane and an edge metal flashing positioned over a portion of the roofing membrane, the method comprising using a cover strip or a self-adhering cover strip to bridge a joint formed between the edge metal flashing and the roofing membrane. One end of the cover strip is indirectly or directly bonded to the edge metal flashing by using an adhesive whereas the other end is heat-welded or adhesively bonded to the roofing membrane.
A moisture curable adhesive composition including at least 65 wt.-% of at least one isocyanate-functional polyurethane polymer P obtained by reacting: (a) a polyol composition including (a1) at least one polyester polyol PO1, (a2) at least one polyether polyol PO2, and (b) at least one polyisocyanate PI, wherein the adhesive composition further includes at least one non-functionalized thermoplastic polymer TP having a softening point determined by Ring and Ball method according to ISO 4625 standard of 70-200° C., preferably 75-185° C. The adhesive composition can also be used for bonding of substrates in production of white goods, automotive vehicles, and electronic devices.
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
A process for producing a setting and/or hardening accelerator for mineral binders, comprises a step of grinding an inert mineral material in a liquid medium containing a dispersing agent and an amino alcohol.
C04B 22/00 - Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
23030 alcohols and a dihydrazide curing agent, wherein the weight ratio of the at least one liquid epoxy resin A1 to the at least one liquid epoxy resin E (A1/E) is from 3.0 – 8.5. The compositions feature good mechanical properties, especially lap shear strength and impact peal performance, after shorter curing times at lower temperatures, especially 10 minutes at 140°C and provide sufficient open time stability and corrosion resistance. The epoxy resin compositions are especially suitable for use as bodywork adhesive.
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
50.
SANDWICH PANEL, AND METHOD AND DEVICE FOR PRODUCING A SANDWICH PANEL
The invention relates to a method for producing a sandwich panel (10), in particular for buildings and/or freight transport, in which: - a first cover layer (11) of the sandwich panel (10) is fed to at least one adhesive-application device (101) for large-area application of adhesive, wherein the first cover layer (11) has a profile edge (12), which extends in the feed direction (ZR) and has at least one undercut (13); - a non-reactive adhesive (14) is applied by the adhesive-application device (101) onto an in particular large-area inner face (15) of the first cover layer (11); and - the non-reactive adhesive (14) is applied through at least one laterally projecting nozzle (102) onto at least one undercut face (16), adjoining the inner face (15) of the first cover layer (11), of the profile edge, wherein the nozzle (102) protrudes at least in part into the undercut; - at least one self-expanding plastic material (17), in particular a foaming compound, is dispensed onto the applied non-reactive adhesive (14); - a second cover layer (18) of the sandwich panel (10) is guided so as to be spaced apart from and opposite the first cover layer (11) such that, by expanding the dispensed plastic material (17), the two cover layers (11, 18) are interconnected to form the sandwich panel (10).
The invention is directed to a polymer composition comprising: a) At least one propylene copolymer PCP, b) At least one thermoplastic vulcanizate TPV, c) At least one thermoplastic polyolefin elastomer TPO different from the propylene copolymer PCP, and d) At least one flame retardant FR selected from magnesium hydroxide and aluminum trihydroxide. The invention is also directed to a sealing element comprising a waterproof layer obtained by using the polymer composition.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
The invention is directed to an adhesive tape (1) comprising: i) A metal film (2) having a thickness of not more than 100 µm, ii) A polymeric support layer (3) having first and second major surfaces, iii) A pressure sensitive adhesive layer (4), and iv) Optionally a release liner (5) covering an outer major surface of the pressure sensitive adhesive layer (4) facing away from the polymeric support layer (3), wherein the polymeric support layer (3) is arranged between the metal film (2) and the pressure sensitive adhesive layer (4).
C09J 7/25 - PlasticsMetallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
A sealing device includes a polymeric carrier layer having a first and a second major surface and a first functional layer including 25-95 wt.-% of at least one polymer P1 and 5-75 wt.-% of at least one solid filler F, wherein the polymeric carrier layer has a thickness of 10-450 μm and wherein the sealing device has a mass per unit area of not more than 450 g/m2. A method produces a sealing device, and a sealing device is used as a waterproofing membrane, vapor barrier, vapor retarder, gas barrier membrane, volatile organic compound (VOC) barrier membrane, or as a geomembrane.
A single- or two-component mortar composition including i) an aluminate binder, ii) a calcium sulfate binder, iii) one or more fillers with a raw density of at least 2.0 g/cm3, and iv) one or more lightweight fillers with a raw density of less than 1.5 g/cm3, wherein the quantity of lightweight filler equals 30 to 70 wt. %, the total quantity of aluminate binder and calcium sulfate binder equals 20 to 65 wt %, and the weight ratio of aluminate binder to calcium sulfate binder ranges from 1:1 to 1:10. When used, the mortar composition hardens quickly and is suitable as a lightweight fill for producing floor structures on substrates with a limited load-bearing capacity.
C04B 28/16 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing anhydrite
A computer implemented method for generating machine control data for a 3D printer to produce a three-dimensional object with a three-dimensional surface structure on at least one surface of the three-dimensional object, comprises the steps of:
a) Providing a three-dimensional data model of the three-dimensional object to be produced;
b) Defining an area to be structured on a surface of the data model of the three-dimensional object;
c) Conversion of the data model of the three-dimensional object provided in step a) to specific machine control data for the 3D printer defining a print path of the 3D printer and optionally printing parameters of the 3D printer required for producing the three-dimensional object;
d) Identifying positions on the print path lying on the area to be structured;
e) Defining an offset amplitude of the three-dimensional surface structure, whereby the offset amplitude represents a height and/or depth of the surface structure with respect to the surface of the three-dimensional object on which the surface structure is to be located;
f) Modifying the machine control data obtained in step c) and related to the positions identified in step d), such that when printing the three-dimensional object based on the adjusted machine control data the surface structure is created on the surface of the three-dimensional object with the defined offset amplitude of step e).
g) Providing the modified machine control data obtained in step f), in particular in the form of a file.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
An epoxy resin composition comprises: a) a resin component comprising at least one epoxy resin and at least one acrylate compound, whereby a weight ratio of the at least one acrylate compound to the at least one epoxy resin is from 0.01 – 1, especially 0.05 – 0.7, in particular 0.1 – 0.5; b) a hardener component comprising at least one amine compound having at least one amine group selected from primary amine groups, secondary amine groups and/or blocked amine groups.
A reinforcing member (100) for reinforcing a vehicle body (VC), the reinforcing member comprising: an elongate hollow body (110) having at least one cavity (110a, 110b), especially a plurality of cavities, running along a longitudinal axis (L) of the hollow body (110); an end cap (120) arranged at a first end (111) of the hollow body (110) to close the at least one cavity (110a, 110b) in a sealing manner and to reinforce the elongate hollow body (110) at the first end (111); whereby the end cap (120) comprises a carrier (121) with a first area (121a), which is facing the first end (111) of the elongate hollow body (110) and whereby the first area (121a) comprises a first expandable material (123a), which, at least in expanded state, joins the end cap (120) with the hollow body (110), especially in a sealing manner; and the end cap (120) comprises a second expandable material (123b) located at a second area (121b) of the end cap (120), whereby the second expandable material (123b), at least in expanded state, is configured to join the end cap (120) with a part of the vehicle body (VC).
A structural element system for a motor vehicle with a damping element arranged in the structural element, including: a structural element which includes two joined walls which form, in one portion, a cavity having at least two open ends, a first wall in this portion having an opening; a damping element with a support and an expandable material arranged on the support, the support including a closed surface and at least one side wall fastened to this closed surface by ribs; wherein the damping element is arranged in the structural element such that the closed surface of the support covers the opening of the first wall and in that the side wall substantially partially closes an open end of the cavity.
The invention is directed to a membrane (1) comprising a waterproof layer (2) having opposed top and bottom surfaces and a weld quality indicator (3) 5 deposited on one of the opposed surfaces of the waterproof layer (2), wherein the weld quality indicator (3) comprises one or more discontinuous lines running substantially parallel and adjacent to an edge (e1, e2) of the waterproof layer (2), wherein the discontinuous line(s) is/are composed of a series of spaced apart areas (on the surface of the waterproof layer) covered 10 with an ink comprising a thermochromic system.
The present invention relates to accelerators for cementitious compositions, in particular cementitious composition having a binder which is a source of aluminates and/or sulfoaluminates, said accelerator comprising an alkali metal carbonate, a metal sulfate, an alkali metal hydroxide, and optionally a source of alkali metal bicarbonates, alkaline earth metal hydroxides or alkaline earth metal oxides. The present invention also relates to cementitious compositions having a binder which is a source of aluminates and/or sulfoaluminates and the inventive accelerator.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
The invention relates to a non-ionic aldehyde-functional polymer with end groups of formula (I) and an average content of aldehyde groups of 0.15 to 1.2 meq/g. The polymer is suitable for cross-linking compounds with reactive groups such as more particularly cyanoacetate groups, acetoacetate groups or malonate groups at ambient temperatures. It permits a particularly long processing time with fast curing and elastic products that have particularly high tensile strength and tear propagation resistance at high extensibility. It is therefore suitable as a component of elastic adhesives, sealants or coatings that are largely free of toxic ingredients, have low sensitivity to moisture and blistering, have particularly good processability and are particularly robust and durable.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The invention relates to a curable composition comprising – a first component containing aldehyde group-containing compounds which comprise at least one compound with two or more aldehyde groups and – a second component containing 1,3 keto ester group-containing compounds which comprise at least one compound with two or more 1,3 keto ester groups of the formula (I), wherein the average molecular weight Mn of at least one of the two components, with respect to the aldehyde or 1,3 keto ester group-containing compounds, ranges from 400 to 20,000 g/mol. The composition is largely free of toxic ingredients and cures in ambient conditions using conventional catalysts quickly and in a trouble-free manner in order to form a non-tacky elastic polymer with a high degree of strength and elasticity. The composition is particularly suitable for use as an elastic adhesive, sealant, or coating with a high degree of robustness during production, storage, and processing as well as a high degree of resistance after curing.
The use of an amine of formula (I) for curing epoxy resins, whereby synthetic resin products with a surprisingly high glass transition temperature are formed with particularly low exotherm. The amine of formula (I) enables in particular epoxy resin mouldings, potting compounds and composites which are simple and void for defects to be produced, having beautiful surfaces and allow high service temperatures.
C08G 59/18 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
The present invention relates to admixtures comprising alkanolamine N-oxides useful for the increase of strength of cementitious compositions. The present invention also relates to cementitious compositions comprising alkanolamine N-oxides and having increased strength when cured.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
The invention relates to a dry mineral binder composition comprising cement and mineral fillers for the manufacture of molded parts by way of 3D printing. The binder composition additionally contains at least one aluminum sulfate-based accelerator, at least one polycarboxylate ether-based super-plasticizer and at least one rheology additive.
C04B 22/14 - Acids or salts thereof containing sulfur in the anion, e.g. sulfides
C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 24/38 - Polysaccharides or derivatives thereof
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
C04B 103/00 - Function or property of the active ingredients
1-81-81-8-alcohols with aliphatic alcohols A1-2, preferably at least one polybutadiene polyol A2 and at least one alkoxylated branched alkylene diamine with 5-10 atoms A3. The polyurethane composition according to the invention has high strength and an open time of more than 10 minutes.
A structural reinforcing member (100) for reinforcing a hollow structural member (11, 12, 13, 14, 15) of a vehicle body (10) comprises a hollow body (110), whereby: - the hollow body (110) comprises a cavity (111) that is confined by a front wall (115), a back wall (114), a top wall (112), a bottom wall (113), and a side wall (116); - the hollow body (110) at a side of the side wall (116) is partly or fully closed by the side wall (116) and at a side (117) opposite the side wall (116) is open; - and the hollow body (110) comprises ribs (121a–d, 122a) which run between opposing walls, such that the cavity (111) is divided into several subcavities (111a–j), especially extending form the side wall (116) to the open side (117) opposite the side wall (116); - at least on the side wall (116), an activatable material (130) is arranged for adhesively bonding the reinforcing member (100) to a hollow structural member (15).
The invention relates to dispersant for mineral binder compositions, which contains a copolymer comprising or consisting of a) a mole fractions of a structural subunit S1 of the formula (I) b) b mole fractions of a structural subunit S2 of the formula (II) c) optionally, c mole fractions of a further structural subunit S3 derived from other comonomers, wherein Ru, Rv, M, R, R5, R6, R7, R8 and z, are defined as described in the description. The invention also relates to a method for producing such dispersants, a hydraulically setting binder composition comprising the same.
The invention relates to dispersant for mineral binder compositions, which contains a copolymer comprising or consisting of a) a mole fractions of a structural subunit S1 of the formula (I) b) b mole fractions of a structural subunit S2 of the formula (II) c) optionally, c mole fractions of a further structural subunit S3 derived from other comonomers, wherein Ru, Rv, M, R, R5, R6, R7, R8 and z, are defined as described in the description. The invention also relates to a method for producing such dispersants, a hydraulically setting binder composition comprising the same.
A method for waterproofing a substrate having a substantially vertical surface using an adhesive element and a waterproof membrane. The adhesive element includes a pressure sensitive adhesive layer coated and a release liner covering one of the primary exterior surfaces of the adhesive layer. In the method, the adhesive element is applied to the surface of the substrate followed by adhering the waterproof membrane to the substrate via the pressure sensitive adhesive layer.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/06 - Interconnection of layers permitting easy separation
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
The invention is directed to a method for waterproofing a substrate (1) having a substantially vertical surface using an adhesive element (2) and a waterproof membrane (5). The adhesive element (2) comprises a pressure sensitive adhesive layer (3) coated and a release liner (4) covering one of the primary exterior surfaces of the adhesive layer (3). In the method, the adhesive element is applied to the surface of the substrate followed by adhering the waterproof membrane to the substrate via the pressure sensitive adhesive layer (3).
A sealing element includes a waterproofing layer having a first and a second major surface and including at least one powdered superabsorber polymer, and optionally a reinforcement layer fully embedded into the waterproofing layer or adhered to one of the major surfaces of the waterproofing layer, wherein the waterproofing layer is a polymeric layer including at least one polymer or a bitumen layer including bitumen. A building structure includes a roof or wall substrate, an insulation board, and a sealing element arranged between the roof or wall substrate and the insulation board, and the sealing element is used as a roof or wall breather membrane.
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
A roofing membrane including a polymeric waterproofing layer having upper and lower major surfaces and an electronic ink display covering at least a portion of the upper major surface of the waterproofing layer. Also, a method for producing a roofing membrane and a method for covering a roof substrate using the roofing membrane.
E04D 5/10 - Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
A support device for mounting a solar module, especially a photovoltaic panel, on a mounting surface, in particular on a roof of a building, the support device including: (a) a U-shaped profile base body having two profile legs and a base section connecting the legs; whereby an outer surface of the base section of the U-shaped profile supports a solar module, and whereby a profile depth of the U-shaped profile increases along a longitudinal axis from a front face to a rear face of the U-shaped profile; and (b) at each of the two free end portions of the profile legs, at least one projection protruding from the respective profile leg, whereby the at least one projections are configured as a seating for placing the support device on a mounting surface; and at least one fixing element using a fastening member to attach the support device to the mounting surface.
H02S 20/24 - Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures specially adapted for flat roofs
The invention is directed to a method for producing a waterbar (1), the method comprising steps of providing first and second sealing elements (2, 3) each comprising a carrier layer (4, 4') having upper and lower major surfaces and a filled polymeric layer (5, 5') covering at least a portion of the upper major surface of the carrier layer (4, 4') and bonding the lower major surface of the carrier layer (4) of the first sealing element (2) to at least a portion of the lower major surface of the carrier layer (4') of the second sealing element (3).
A self-adhering roofing membrane, a fully-adhered roof system and a method for producing a self-adhering roofing membrane, the roofing membrane including a waterproofing layer including at least one polymer P1, a first adhesive layer, a barrier layer including a polymeric film including at least one polymer P2, a second adhesive layer, and optionally a release liner, wherein the first and second adhesive layers are pressure sensitive adhesive layers.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
E04D 5/06 - Roof covering by making use of flexible material, e.g. supplied in roll form by making use of plastics
E04D 5/10 - Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
78.
POLYURETHANE COMPOSITION WITH STABLE MATT SURFACE AND GOOD CHALKING RESISTANCE
A polyurethane composition with stable matt surface and good chalking resistance, which is suitable for use as a sealant and/or an adhesive for sealing and/or bonding, preferably for gap-filling, particularly in construction and manufacturing industries. The polyurethane composition includes:—a polyurethane prepolymer containing an isocyanate group, including a MDI-based prepolymer synthesized from a polyether diol and a polyether triol with MDI, and a TDI-based prepolymer synthesized from a polyether diol and a polyether triol with TDI; and —a phenyl alkyl sulfonate in an amount of 12-25 wt %, preferably 18-25 wt %, based on the total weight of the composition.
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
The present invention relates to methods for the activation by an activator comprising precipitated calcium carbonate and at least one alkanolamine of mineral binders comprising ironmaking and/or steelmaking slag. The present invention also relates to building materials comprising an activated mineral binder obtained by such methods and uses thereof.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
80.
USE OF COPOLYMERIZED POLYVINYL ALCOHOL AS GRINDING AID FOR MINERAL MATERIALS
The present invention relates to the use of copolymerized polyvinyl alcohol as a grinding aid for mineral materials, especially Portland cement clinker, kiln dust, stone powders, slag, fly ash, burnt oil shale, silica fume, and/or volcanic ashes. The use of copolymerized polyvinyl alcohol as a grinding aid leads to improved mineral materials which are less susceptible to contents of adsorbing materials, especially contents of clay minerals. The present invention also relates to ground mineral materials obtained by dry grinding in the presence of a copolymerized polyvinyl alcohol, and to construction materials comprising such ground mineral materials.
C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
The invention relates to a method for waterproofing a substrate (1) comprising steps of: I) Heating a hot melt bitumen membrane composition to provide a molten bitumen composition, II) Applying a layer of the molten bitumen composition to a surface of the substrate (1) to form a first bitumen layer (2), III) Covering at least a portion of an upper surface of the first bitumen layer (2) with a prefabricated reinforcement membrane (3), and IV) Applying a layer of the molten bitumen composition to an upper surface of the prefabricated reinforcement membrane (3) to form a second bitumen layer (2'), wherein the prefabricated reinforcement membrane (3) comprises a polymer-modified bitumen layer (4) comprising: a) Bitumen B1 and b) At least one first modifying polymer MP1.
E04D 5/02 - Roof covering by making use of flexible material, e.g. supplied in roll form of materials impregnated with sealing substances, e.g. roofing felt
E04D 5/10 - Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
E04D 11/02 - Built-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
82.
ONE-COMPONENT EXPANDABLE THERMOSETTING EPOXY COMPOSITION WITH IMPROVED STORAGE STABILITY
A one-component thermosetting epoxy resin composition, including a) at least one epoxy resin A having on average more than one epoxide group per molecule; b) at least one latent hardener for epoxy resins; c) at least one physical or chemical blowing agent BA; d) at least one carboxyl group containing acrylonitrile/butadiene rubber ABR and e) 0.075-0.5 wt.-% of a composition KP including a blend of at least two different phosphites. The epoxy resin adhesive is notable for the improved storage stability, especially under warm conditions.
C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
C08J 9/10 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen
A floor construction including a floor covering and a sealing layer applied to the floor covering, wherein one or more primers are arranged between the substrate and the floor covering and the floor covering is formed of a filling compound which includes an aluminate binder, a calcium sulfate binder, one or more fillers, ethyl hydroxyethyl cellulose as thickening agent, comb polymer having sidechains with an ionic group and sidechains with an ether group bonded to a polymer backbone, as plasticizer, and one or more color pigments as coloring agent.
C04B 28/16 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing anhydrite
C04B 24/38 - Polysaccharides or derivatives thereof
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
The present invention relates to methods for the activation by an activator comprising ultrafine calcium carbonate and at least one alkanolamine of mineral binders comprising steelmaking slag. The present invention also relates to building materials comprising an activated mineral binder obtained by such methods and uses thereof.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
85.
ADHESIVE WITH IMPROVED ADHESION ON EPOXY RESIN ADHESIVE REMNANTS
The invention relates to the use of an epoxy resin adhesive for adhesively bonding a substrate at least partially coated with a cured epoxy resin adhesive, characterised in that the adhesive comprises a resin component containing at least one epoxy resin and a curing agent component containing at least one amine with at least one aliphatic amino group, wherein the amine is selected from polyetheramines and linear or branched, but not cyclical, aliphatic polyamines, wherein the amine makes up at least 50% by weight of all the amine curing agents contained in the curing agent component with at least one amine hydrogen, based on all amine curing agents in the curing agent component. The use according to the invention enables substrates at least partially coated with a cured epoxy resin adhesive to be adhesively bonded such that a stable, weather-resistant adhesive bond is formed, and is particularly suitable for the repair of rotor blades in wind turbines.
The present invention relates to thermosetting epoxy resin compositions comprising an epoxy resin, a dihydrazide curing agent and a specific terminally blocked polyurethane prepolymer as a toughening agent. The compositions feature good mechanical properties and storage stability and a low curing temperature. The epoxy resin compositions are especially suitable for use as bodywork adhesive.
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
87.
THERMALLY CONDUCTIVE TWO-COMPONENT COMPOSITION WITH CURING RETARDER
The invention relates to a two-component composition, comprising between 3 and 15 wt.-% of at least one organic polymer containing reactive silane groups, between 70 and 92 wt.-% of at least one filler, between more than 0 to 2 wt.-% of drying agent, between more than 0 to 2 wt.-% of retarder, optionally at least one plasticizer, optionally additional organosilanes, optionally at least one catalyst for the curing of silane- functional polymers, characterized in that said drying agent is propyltrimethoxysilan and that said retarder is selected from the list consisting of phenylmethoxysilan, vinyltrimethoxysilan, octyltrimethoxysilan, propytri methoxysil an, and any mixture of these retarders. The two-component composition can be formulated to show excellent thermal conductivity and is particularly suitable for battery and electronics assembly and at the same time offers long open time and fast curing behavior.
The present invention relates to hydraulic compositions useful as ultra-high performance concrete and ultra-high performance grouts and comprising a) 100 mass parts of Portland Cement, b) 20 – 60, preferably 45 – 55, mass parts of at least one pozzolane, c) 30 – 120 mass parts, preferably 50 – 85 mass parts of at least one aggregate, preferably sand, having an average particle size D50 of between 63 µm and 8 mm, preferably between 200 µm and 3 mm, d) 0.01 – 10 mass parts of a cement dispersant, and e) not more than 30 mass parts, preferably 15 - 25 mass parts of water.
The invention relates to a chemically curable composition, comprising - at least one chemically curable matrix; - more than 70 wt.-%, based on the total composition, of at least one thermally conductive filler; - optionally additives, in particular selected from curing catalysts, accelerators, plasticizers, organosilanes, stabilizers, and colorants; characterized in that said thermally conductive filler is surface-coated by silanzation using a mixture of at least one organosilane OS1 according to R1-Si(OR333 and at least one organosilane OS2 according to R2-Si(OR333, wherein R1is a linear or branched C2 to C20 alkyl or alkenyl group optionally having cyclic and/or aromatic moieties, and wherein R2is a polyether group, and wherein R3 is a methyl or ethyl group, with the provisio that the mass ratio of organosilane OS1 and organosilane OS2 employed for the surface silanization coating is between 1 :2 and 2:1, preferably between 1 :1.5 and 1.5:1, in particular between 1 :1.1 and 1.1 :1. The chemically curable composition shows low viscosity and improved applicability alongside with exceptionally high filler levels and thus excellent thermal conductivity and is particularly suitable as adhesive, gap filler, or sealant suitable for e-coat applications and battery bonding especially in electric automobile battery assembly.
C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
C09J 171/00 - Adhesives based on polyethers obtained by reactions forming an ether link in the main chainAdhesives based on derivatives of such polymers
The layered structure of the present invention is a layered structure formed by directly layering a resin cured layer (ii) containing a curable resin (E) having a urethane bond, on a molded body (i) composed of a polypropylene-based resin composition,
wherein the polypropylene-based resin composition contains 5 to 47 parts by mass of a propylene-based polymer (A) having an MFR of 50 to 150 g/10 min, and an amount of a decane-soluble portion of 6 to 15% by mass, 20 to 30 parts by mass of a propylene homopolymer (B) having an MFR of 10 to 500 g/10 min, 23 to 30 parts by mass of an ethylene/α-olefin copolymer (C) being a random copolymer of ethylene and an α-olefin having 4 to 8 carbon atoms, and having a density of 0.850 to 0.880 g/cm3, an MFR of 0.5 to 30 g/10 min, and a melting point peak of 110° C. or more, and 30 to 40 parts by mass of an inorganic filler (D).
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 37/16 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
91.
METHOD FOR PRODUCING A LAMINATE OF WOOD AND CEMENTITIOUS COMPOSITIONS
A method for producing a laminate, wherein a wooden element is provided, the wooden element is coated on the top side with a an adhesive that is applied in liquid form and includes at least one polymer that is liquid at room temperature and contains silane groups, at least one liquid epoxy resin and at least one amine hardener, the applied adhesive is covered with a layer of a liquid cementitious composition while still wet, and the liquid cementitious composition and the adhesive each cure. The method enables the durable joining of wooden elements and cementitious elements in an easy-to-implement, wet-on-wet method. The laminates obtained from the method are comparatively light, stable and robust and are especially suitable as sustainable components in above-ground construction.
[Problem] To provide a method for improving the workability of an inorganic binder composition, and an inorganic binder composition. [Solution] The method of the present invention for improving the workability of an inorganic binder composition comprises: (a) providing a dispersant; (b) providing an inorganic binder composition; and (c) intermilling and/or intermixing the dispersant provided in step (a) and the inorganic binder composition provided in step (b), wherein the dispersant is a phenolic resin-based dispersant that is obtained via polycondensation of specific monomers.
An admixture for mineral binder compositions, comprising, with respect to the overall weight of the admixture: a) 0.1 – 30 wt.%, especially 5 – 25 wt.%, in particular 10 – 20 wt.%, of an alkali swellable polymer; b) 0 – 45 wt.%, preferably 1 – 40 wt.%, more preferably 5 – 35 wt.%, still more preferably 10 – 22 wt.%, in particular 14 – 19 wt.%, of a defoamer; c) 0 – 25 wt.%, preferably 0.01 – 25 wt.%, especially 0.05 – 5 wt.%, in particular 0.1 – 1 wt.%, of a surfactant, especially an anionic surfactant and/or a non- ionic surfactant; d) 0 – 10 wt.%, preferably 0.001 – 10 wt.%, especially 0.01 – 5 wt.%, in particular 0.1 – 3 wt.%, of one or more processing additives; e) 0 – 75 wt.%, especially 10 – 60 wt.% of water, in particular 20 – 40 wt.% of water; whereby at least one of the defoamer and the surfactant is present with a proportion > 0 wt.%.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
94.
A POLYMER MATERIAL FOR USE IN A 3D PRINTING PROCESS
A polymer material in manufacture of 3D articles by means of additive manufacturing, the polymer material including: at least one polyethylene having a density at 23° C. determined according to EN ISO 1183-1:2019 standard of at least 0.930 kg/m3 and a crystallinity determined according to EN ISO 11357-3:2018 standard of at least 50 wt.-%, at least one solid filler, and at least one nucleating agent, wherein the at least one solid filler is a fibrous filler having a volume-based mean aspect ratio (length/diameter) of 3-60.
B29K 105/12 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
A process for preparing an aqueous primer composition, including the steps performed in consecutive order: dissolving at least one organotitanate in a concentrated acid; adding water in an amount that the resulting volume ratio of (organotitanate and acid) to water is between 1:2 and 1:8 and/or the resulting pH is between 2 and 5, and waiting until a homogeneous, transparent solution is obtained; adding at least one organosilane; diluting the obtained mixture with additional water, until the resulting solution has a weight content of (organotitanate plus acid plus organosilane) of between 1% and 5% by weight, based on the total composition, and/or the resulting solution has a pH of between 2.5 and 4.5.
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
[Problem] To provide a method for stabilizing an inorganic binder composition that contains a fly ash-containing inorganic binder, and an inorganic binder composition. [Solution] The method of the present invention for stabilizing an inorganic binder composition that contains a fly ash-containing inorganic binder comprises: (a) providing a dispersant; (b) providing an inorganic binder composition; and (c) intermilling and/or intermixing the dispersant provided in step (a) and the inorganic binder composition provided in step (b), wherein the dispersant is a phenolic resin-based dispersant that is obtained via polycondensation of specific monomers.
C04B 24/30 - Condensation polymers of aldehydes or ketones
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
Cementitious compositions and uses of such cementitious compositions especially as tile adhesive, the compositions including or consisting of a) a hydraulic binder itself including (in each case relative to the total dry weight of hydraulic binder) ai) 50-92 w %, preferably 70-77.55 w % of Ordinary Portland Cement, aii) 5-50 w %, preferably 21-30 w % of biomass ash, preferably bagasse ash, b) 0.01-0.5 w %, preferably 0.1-0.45 w % (relative to the total dry weight of the cementitious composition) of cellulose ether, c) optionally 0.05-2.5 w %, preferably 0.1-1 w % (relative to the total dry weight of the cementitious composition) of redispersible polymer powder, and d) optionally at least one activator selected from alkali metal or alkaline earth metal salts of hydroxide, formate, chloride, sulphate, and/or nitrate.
A two-component composition, component K1, including at least one (meth)acrylate monomer, at least one elastomer having (meth)acrylate end groups, at least one additive selected from the group consisting of activator for free-radical curing, inhibitor for free-radical curing, filler and adhesion promoter; and a component K2 including at least one initiator for free-radical curing wherein the elastomer is a polyurethane (meth)acrylate produced from the reaction of at least one diol including at least one dimer fatty acid-based polyester diol with at least one diisocyanate and a (meth)acrylic acid, a (meth)acrylamide or a (meth)acrylate ester having a hydroxyl group, wherein the at least one diol initially reacts with the diisocyanate which is present in stoichiometric excess and the resulting isocyanate-terminated polyurethane is subsequently reacted with the (meth)acrylic acid, the (meth)acrylamide or the (meth)acrylate ester having a hydroxyl group to afford the elastomer.
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09J 5/04 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving separate application of adhesive ingredients to the different surfaces to be joined
The invention relates to a thermosetting one-component epoxy resin composition comprising at least one liquid aromatic epoxy resin A1, at least one liquid aliphatic epoxy resin A2, at least one curing agent B for epoxy resins, where the curing agent B is a dihydrazide and at least one at least one toughness improver D. The weight ratio of the at least one liquid epoxy resin A1 to the at least one liquid epoxy resin A2 (A1/A2) is from 0.25 – 5.0. The thermosetting one-component epoxy resin composition that can be used as a sealing composition which does not show bubble formation at curing temperatures at 210 °C and provides good mechanical and storage properties, especially with respect to elongation at break performance and storage at elevated temperature between 50 °C – 60 °C.
C08G 59/32 - Epoxy compounds containing three or more epoxy groups
C08G 59/38 - Epoxy compounds containing three or more epoxy groups together with di-epoxy compounds
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
A structural element (100) of a vehicle, wherein the structural element (100) has a cavity with at least one longitudinal axis (L1") and a multi-piece sealing and/or reinforcing element (20 is arranged in the cavity, whereby the multi-piece sealing and/or reinforcing element (20) comprises at least a first piece (21) and a second piece (22); each of the pieces (21, 22) of the multi -piece sealing and/or element (20) comprises a carrier (21a, 22a) and at least one of the carriers comprises an expandable material (21c, 22c) arranged on the carrier (21a, 22a); whereby the multi-piece sealing and/or reinforcing element (20) is arranged and/or configured such that: in unexpanded state of the expandable material (21c, 22c), the first piece (21) and the second piece (22) are present in the form of separate parts with no material connection, and in expanded state of the expandable material (21c, 22c), the expandable material forms a material connection (MC) that mechanically connects the first piece (21) with the second piece (22).
