Abstract: Heat-activable adhesive sheet of an adhesive comprising a blend of at least three synthetic nitrile rubber compositions S1, S2 and S3, each of which comprises at least one synthetic nitrile rubber, and at least one reactive resin which is capable of crosslinking with itself, with other reactive resins and/or with the nitrile rubbers of synthetic rubber compositions S1, S2 and S3, in which a) the blend of the heat-activable sheet being microphase-separated, characterized by at least three different glass transition temperatures in a DSC, b) at least one of said glass transition temperatures being greater than 10° C. and at least one of said glass transition temperature lower than ?20° C., c) the nitrile rubber or rubbers S1 having an acrylonitrile fraction of greater than/equal to 35%, d) the nitrile rubber or rubbers S2 having an acrylonitrile fraction of greater than 25% and less than 35%, e) the nitrile rubber S3 having an acrylonitrile fraction of less than/equal to 25%.

Abstract: Heat-activatable adhesive substance comprised of: i) an acrylate-containing block copolymer in a proportion of 40 to 98% by weight, ii) one or more tackifying epoxy resins and/or novolak resins and/or phenolic resins in a proportion of 2 to 60% by weight, and iii) optionally a curing agent for cross-linking the epoxy resins and/or novolak resins and/or phenolic resins, in a proportion of 0 to 10% by weight.

Abstract: The invention relates to a pressure-sensitive adhesive tape, particularly for producing or sticking together optical liquid crystal data displays (LCD's), comprising a top side and an underside, with light-reflective properties on the top side and light-absorbing properties on the underside. The pressure-sensitive adhesive tape also comprises a carrier film (a) with a top side and an underside, and the pressure-sensitive adhesive tape is provided with a pressure-sensitive adhesive layer (b, b?) on both sides. The pressure-sensitive adhesive tape is characterized in that the carrier film (a) is brightly colored, and the pressure-sensitive adhesive layer (b?) on the underside of the pressure-sensitive adhesive tape is colored black.

Abstract: Presented is a heat-activatedly bondable 2D element having a first adhesive and a second adhesive, which is suitable for bonding objects with a metal surface to objects with a plastic surface, and which enables a stable and mechanically robust bond even at low temperatures. This is achieved through the use of particular combinations of different adhesives, tailored to one another and based on synthetic nitrile rubbers and reactive resins.

Abstract: A pressure-sensitive adhesive tape made of a flat support material provided with a pressure sensitive adhesive comprising a polymer formed from a monomer mixture of acrylic acid ester and/or methyl acrylic acid ester or free acids thereof of the formula CH2=CH(R1)(COOR2), acrylic acid ester and/or methyl acrylic acid ester having the formula CH2=CH(R3)(COOR4) and acrylic aid ester and/or methyl acrylic acid ester having the formula CH2=CH(R3)(COOR5).

Abstract: An adhesive sheet composed of a thermoplastic and optionally one or more resins, wherein a) the adhesive system has a softening temperature of greater than 65° C. and less than 125° C., b) a melt flow index (ISO 1133) of greater than 3 and less than 100 cm3/10 minutes, c) a storage modulus G? at 23° C., as measured by test method A, of greater than 107 Pas, d) a loss modulus G? at 23° C., as measured by test method A, of greater than 106 Pas, e) and a crossover, as measured by test method A, of less than 125° C.

Abstract: Polyacrylate having an at least bimodal molecular weight distribution, characterized by at least two maxima in the molar mass distribution curve, at points M1 and M2, with M1>M2, in which, viewed formally, there are at least two polymers, P1 and P2, each having its own molecular weight distribution, the polymer P1 possessing a most frequent molar mass Mmax(P1) and the polymer P2 possessing a most frequent molar mass Mmax(P2), where Mmax(P1)>Mmax(P2), at least the polymer P1 being based on a monomer mixture comprising at least one monomer type selected from the group of the acrylic esters and of the methacrylic esters of the general formula H2C?CR1—COOR2 where R1?H or CH3 and where R2 represents an aliphatic hydrocarbon chain having 4 to 15 carbon atoms; and at least one olefinically unsaturated monomer type containing functional groups, wherein the functional groups of the at least one olefinically unsaturated monomer type are groups which are able to react for a thermal crosslinking reaction, and at le

Abstract: The invention relates to a heat-activable pressure-sensitive adhesive. Provision is made for this heat-activable pressure-sensitive adhesive to comprise a polymer or copolymer formed from a monomer composition comprising at least 50% by weight of a compound of the formula CH2?CH(R1)(COOR2), wherein R1 represents H or CH3 and R2 represents H or an alkyl chain having 1 to 30 carbon atoms, the polymer or copolymer having a static glass transition temperature of ?10° C. to 120° C.; a temperature activation range of 15° C. or less; and a molecular weight distribution Mw/Mn of 2.5 or less.

Abstract: A pressure sensitive adhesive comprised of P(A)-P(B)-P(A) block copolymers, wherein P(A) has a glass transition temperature of 0° C. or below, P(B) has a glass transition temperature of 20° C. or above, and P(A) and P(B) are immiscible.

Abstract: A process for increasing the molecular weight of polyacrylates, characterized in that polyacrylates which are functionalized at least on one part of their chain ends by photoinitiator groups X are exposed to actinic radiation, so that a direct linking reaction of the polyacrylates takes place.

Abstract: The invention relates to a pressure-sensitive adhesive. It is envisaged that the pressure-sensitive adhesive comprises a first layer and a second layer, the first layer being a heat-activatable pressure-sensitive adhesive which has a static glass transition temperature Tg,a or a melting point Tm,a of at least +30° C.; and the second layer being a polyacrylate pressure-sensitive adhesive which has a static glass transition temperature of not more than +15° C.

Abstract: The invention relates to an adhesive film comprising at least two adhesive layers (i) and (ii), which differ chemically from one another. The inventive film is characterized in that one layer (i) is suited to bond with epoxy materials and/or polyimides-and the other layer (ii) is suited to bond with polycarbonate, polyethylene, polypropylene, acrylonitrile-butadiene-styrene copolymer plastics, polyethylene terephthalate and/or polyvinylchloride.

Abstract: The invention relates to the use of an adhesive film for bonding a chip module in a card body. Said adhesive film comprises at least two adhesive layers (i) and (ii), which differ chemically from one another.

Abstract: Method for producing cohesive and adhesive acrylate pressure-sensitive adhesive substances in which polyacrylates having radical forming functional groups are activated at increased temperatures, and side chains of defined length are formed in a nitroxide-controlled polymerization.

Abstract: The adhesive tapes (20) for sticking together printing blankets on a metallic retaining bar or metal rail during a printing process. The adhesive tapes are composed of at least one layer (25), a release liner, and of a melt pressure-sensitive adhesive layer (30) that is applied to said release liner layer on one side. Both sides of the release line layer (25) have the same or different release.

Abstract: Pressure-sensitive adhesive comprising a polyacrylate prepared by polymerizing a monomer mixture comprising N-tert-butylacylamide, and subsequently mixing with a mono- or di-valent salt.

Abstract: An adhesive sheet comprising at least one heat-activatable adhesive based on a mixture of at least one nitrile rubber S1 and at least one carboxy-, amine-, epoxy- or methacrylate-terminated nitrile rubber S2, having a weight-average molecular weight of Mw?20 000 g/mol, and at least one reactive resin.

Abstract: A UV-transparent pressure sensitive adhesive comprising (a) a copolymer of (a1) from 75 to 99.8% by weight of acrylic esters and/or methacrylic esters of the formula CH2?CH(R1)(COOR2), where R1 is H or CH3 and R2 is an alkyl chain having 1 to 20 carbon atoms; (a2) from 0 to 10% by weight of acrylic acid and/or methacrylic acid of the formula CH2?CH(R1)(COOH), where R1 is H or CH3; (a3) from 0.2 to 5% by weight of olefinically unsaturated monomers which contain at least one UV-crosslinking functional group per monomer; and (a4) from 0 to 20% by weight of olefinically unsaturated monomers which contain at least one functional group per monomer; the copolymer having a weight average molecular weight of less than 300,000 g/mol and (b) from 2 to 20% by weight, based on the weight of copolymer, of a silicate filler, the silicate filler having a maximum particle diameter of 50 nm; and having a residual solvent fraction of less than 1%, based on the pressure sensitive adhesive.

Abstract: Method for producing a polyacrylate adhesive compound by a hot-melt method in which a polyfunctional ?-cleaving initiator, which is present as an oligomer, is added to the polymer to be crosslinked prior to the hot-melt method and ultraviolet crosslinking is carried out after treatment in the hot-melt method.

Abstract: An adhesive sheet comprising at least one heat-activatable adhesive based on a blend of at least one nitrile rubber S1 and at least one nitrile rubber S2, said at least one nitrile rubber S1 having an acrylonitrile fraction of not more than 25% by weight and said at least one nitrile rubber S2 having an acrylonitrile fraction of not less than 30% by weight, and at least one reactive resin.