Abstract: A pressure-sensitive adhesive comprising a blend of at least two components, one of which comprises a block copolymer having at least the unit P(A1)-P(B1)-P(A1) and the second of which comprises a block copolymer having at least the unit P(B2)-P(A2)-P(B2); the blend forming an at least two-phase system.

Abstract: A process for producing an adhesive tape with single- or double-sided crosslinked pressure-sensitive acrylate hotmelt adhesive layer, wherein a crosslinker is added in the melt to a polyacrylate copolymer (“polyacrylate”) based on acrylic and/or methacrylic esters, the polyacrylate with crosslinker is conveyed to a coating unit, where it is applied to a web-form layer and following application is homogeneously crosslinked, where the crosslinker is a thermal crosslinker and some of the acrylic and/or methacrylic esters contain primary hydroxyl groups and addition takes place preferably in an extruder.

Abstract: Adhesive tape intended more particularly for wrapping cables, comprising a textile backing and, coated on at least one side thereof, an adhesive comprising at least one vinylaromatic block copolymer and an at least partly hydrogenated tackifier resin.

Abstract: The invention relates to a method for producing pressure-sensitive adhesives that have low or no anisotropy, the process elements including an adhesive supply system, an application unit and a placement element. A melt strip of the pressure-sensitive adhesive is produced between the outlet of the application unit and the point of placement on the placement element and is stretched. The invention is characterized by controlling the stretching of the pressure-sensitive adhesive in the free melt strip by adjusting an effective ratio G which is defined as the ratio of the effective time ?t of the stretching to the stretching rate R, and which is adjusted to a value of at least 0.006 s2 or to a value of not more that 0.004 s2. The effective time ?t is defined by the formula 2Lr/[vstrip(1+r)] wherein L is the length of the melt strip, r is the stretching ratio and vstrip is the speed of the melt strip and the stretching rate R is defined as a temporal derivative of the stretching ratio r.

Abstract: Pressure-sensitive adhesive based on a mixture of chemically crosslinked polyurethane and at least one hydrocarbon resin, the chemically crosslinked polyurethane being a reaction product of at least one aliphatic or alicyclic polyisocyanate and a combination of at least one polypropylene glycol diol and one polypropylene glycol triol, reacted with one another catalytically in the presence of the at least one hydrocarbon resin, the at least one hydrocarbon resin being a monomer resin of the styrene/?-methylstyrene type.

Abstract: Pressure-sensitive adhesive (PSA) tape, intended in particular for producing or bonding optical liquid-crystal data displays (LCDs), having a carrier sheet and two PSA layers, the carrier sheet having translucent properties and there being a metallic layer and a white-coloured layer between the carrier sheet and at least one of the PSA layers.

Abstract: Pressure-sensitive adhesive tape having a backing material coated on one or both sides with a pressure-sensitive adhesive, wherein at least one surface of pressure-sensitive adhesive is functionalized by an additional surfactant-containing coating, the functionalization of the surface of pressure-sensitive adhesive being retained even after a storage time of 6 weeks at 40° C., and the bond strength to steel of the functionalized pressure-sensitive adhesive being at least 0.5 N/cm.

Abstract: The invention relates to a pressure-sensitive adhesive tape, particularly for producing or sticking together optical light 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 with a top side and an underside, which is provided with a metallic reflective coating on at least one of its sides. The pressure-sensitive adhesive tape is provided with a pressure-sensitive adhesive layer on both sides and is characterized in that the carrier film has a content of antiblocking agents of less than 4000 ppm, and at least one light-absorbing chromophoric layer is provided at least between the underside of the carrier film and the pressure-sensitive adhesive layer located on this side.

Abstract: The invention relates to adhesive masses containing at least one electroluminescent additive, single and double-sided adhesive strips which are provided with adhesive masses of said type, and to the use of said adhesive masses for sticking together electronic components.

Abstract: The invention relates to the self-adhesive material of hydrogenated block copolymers or a mixture thereof, comprising polymer blocks of vinyl aromatics (A-blocks) and such made by polymerization of 1,3 dienes (B-blocks), mixing the self-adhesive material with 10 to 80 parts per weight, preferably with 10 to 40 parts per weight polyisobutylene with an average molecular weight Mw in relation to 100 parts by weight Mw of the blockcopolymeres.

Abstract: Heat activable adhesive tape for bonding electronic components and conductor tracks, with an adhesive composition having at least an acid-modified or acid anhydride-modified vinylaromatic block copolymer, and epoxide compound and a metal chelate

Abstract: An adhesive tape for protecting electrochromic layer systems on mirrors, having a multilayer carrier consisting of at least one top and one bottom film part, each formed by at least one polymeric film, and also at least one metallic part, which is located between the top and bottom film parts and is formed from a metallic layer of, in particular, aluminum, the exposed side of the bottom film part carrying an adhesive.

Abstract: The invention relates to a process for preparing a dispersion-based or hotmelt pressure-sensitive adhesive based on at least one polymer, which involves crosslinking the at least one polymer, the polymer having functional groups Y, the polymer additionally being admixed with at least one kind of functionalized particles which have at least one polymeric base unit, characterized in that the particles have a monomer as base unit, the monomer having at least one kind of functional groups Z which are not able to enter into any reaction with the functional group Y and which, by thermal energy, electromagnetic radiation, particulate radiation and/or sound energy, are converted into the group X, the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and of the functional groups Y of the polymer, and additionally to pressure-sensitive adhesives based on at least one crosslinked polymer component, wherein the crosslinking of the polymer component

Abstract: The invention relates to a process for preparing a pressure-sensitive adhesive based on at least one polymer, in the course of which said at least one polymer is crosslinked, the polymer having functional groups Y and having been admixed, further, with at least one kind of functionalized particles which have at least one nonpolymeric base unit, wherein the particles having a surface modification of the base unit, the surface modification of the particles having at least one kind of functional groups Z, which can not undergo any reaction with the functional group Y and is converted into group X by thermal energy, electromagnetic radiation, particulate radiation and/or sound energy and the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and the functional groups Y of the polymer, and further to pressure-sensitive adhesives based on at least one crosslinked polymer component, the crosslinking of the polymer component being brought about a

Abstract: Heat-activable adhesive tape particularly for producing and further processing electronic components and conductor tracks, with an adhesive composed at least of a) a polyamide having terminal amino and/or acid groups, b) an epoxy resin, c) if desired, a plasticizer, the polyamide reacting with the epoxy resin at temperatures of at least 150° C., and the ratio in weight fractions of a) to b) lying between 50:50 to 99:1.

Abstract: The invention relates to the self-adhesive material of hydrogenated block copolymers or a mixture thereof, comprising polymer blocks of vinyl aromatics (A-blocks) and such made by polymerization of 1.3 dienes (B-blocks), wherein the self-adhesive material is mixed with 25 to 100 parts per weight of polyisobutylene with an average molecular weight Mw>200 000 g/mol, 3 to 40 phr (per hundred rubber=in relation to the blockcopolymeres) adhesive resin and 0.1 to 5 phr light protecting agent in relation to 100 parts per weight of the blockcopolymeres.

Abstract: A heat-activatedly bondable, substantially two-dimensional (“2D”) diecutting element having a carrier, a first adhesive coating and a second adhesive coating is presented, its carrier taking the form of a carrier film having a first side and a second side, its first adhesive coating being disposed on the first side of the carrier film and comprising at least one heat-activable adhesive, and its second adhesive coating being disposed on the second side of the carrier film and comprising at least one heat-activable adhesive. The carrier film here has, over its two-dimensional extent, a multiplicity of openings which extend continuously through the carrier film from the first side of the carrier film through to the second side of the carrier film.

Abstract: The invention relates to a method for producing stampings from thermally activatable adhesive films, said method being characterised in that a) a thermally activatable adhesive material is first applied to a first carrier material, and b) the thermally activatable layer of adhesive material is laminated onto a temporary carrier material (“release liner”) under the action of heat, during a subsequent step. The release liner comprises at least one surface based on polyolefins, said surface being non-tacky at room temperature and activatable under the action of heat in such a way that it has adhesive properties. The method is also characterised in that c) the thermally activatable layer of adhesive material on the release liner is subjected to a stamping process.

Abstract: Process for producing a chemically crosslinked polyurethane film, comprising the following substeps: A) chemically reacting a mixture comprising two or more polyols with one or more polyisocyanates, at least one of the polyols or at least one of the polyisocyanates comprising molecules having a functionality of three or more, and the ratio of the total number of isocyanate groups to the total number of hydroxyl groups being less than 1.

Abstract: A masking tape for use preferably in the two-tone painting of plastic components for external mounting incorporates a halogen-free film composed of polyolefins, specifically a mixture composed of a polypropylene or a polypropylene copolymer and of a further polymer, selected from the group of the polyethylenes or ethylene copolymers, the film, before or after coating with the adhesive, being irradiated with electron beams, with a dose between 5 and 100 kGy (Kilograys), and the weight fraction of polypropylene or of polypropylene copolymer being at least 20%, based on the entirety of the polyolefins.