Abstract: Reactive adhesive film for bonding various materials, including plastic to metal, the adhesive film comprising (a) a polymeric film-forming matrix, (b) at least one epoxide-functionalized (meth)acrylate or vinyl monomer and (c) a reagent selected from an initiator, in particular a free-radical initiator, or an activator. Further disclosed are reactive adhesive film systems comprising two reactive adhesive films. Methods for producing reactive adhesive films, and methods are also disclosed.

Abstract: Pressure-sensitive adhesives, adhesive tapes, and methods enable high bond strengths on non-polar or rough substrates. The pressure-sensitive adhesives and methods comprise (a) at least one poly(meth)acrylate, (b) at least one resin A selected from colophony resins and terpene-phenolic resins, (c) at least one hydrocarbon resin B1 having a softening point of greater than 50° C., and (d) at least one hydrocarbon resin B2 having a softening point of less than or equal to 25° C. The adhesive tapes comprise one or more layers of the pressure-sensitive adhesives, and the methods may produce adhesive bonds on substrates with low surface energy and/or on substrates with a mean roughness of at least 5 ?m.

Abstract: The present invention relates to a web-shaped adhesive compound which contains at least one poly(meth)acrylate and optionally at least one synthetic rubber; and at least one polyurethane- and/or silicone-based filler. The invention also relates to a process for preparing such an adhesive compound and to the use thereof. The invention further relates to the use of polyurethane- and/or silicone-based fillers for increasing the adhesive power of adhesive compounds containing at least one poly(meth)acrylate and optionally at least one synthetic rubber and/or for increasing the shock performance of such adhesive compounds with respect to adhesive compounds which do not contain any polyurethane- and/or silicone-based filler.

Abstract: Punched articles permanently close holes in metal sheets or in plastic parts and comprise a carrier made of a composite laminate composed of at least one first layer formed by a needle-punched nonwoven and containing polyacrylonitrile fibers, optionally at least one second layer formed by a first pressure-sensitive adhesive compound, at least one third layer formed by a glass woven fabric or glass laid fabric with a weight per unit of area of 30 to 200 g/m2, optionally at least one fourth layer formed by a second pressure-sensitive adhesive compound, at least one fifth layer formed by a metal layer, and at least one sixth layer formed by an acrylate-based pressure-sensitive adhesive compound with a weight per unit area of 300 to 1800 g/m2.

Abstract: An optical transparent adhesive layer with both bubble resistance and yellowing resistance and its application. Specifically, the present discloses a composition, an adhesive layer obtained by further polymerizing the composition has both excellent bubble resistance and excellent yellowing resistance, which can fully satisfy the comprehensive requirements of the market for optical transparent adhesive layers.

Abstract: An adhesive that comprises: (a) 35 to 55 wt. % of an elastomer component; (b) 20 to 45 wt. % of an adhesive resin component; and (c) 15 to 40 wt. % of a plasticizing component, wherein (c1) 8 to 35 wt. % of (c) is made of one or more plasticizing oils, and (c2) optionally up to 32 wt. % of (c) is made of one or more plasticizers that differ from plasticizing oils.

Abstract: An adhesive tape (1) which requires a smaller amount of adhesive by comparison with conventional adhesive tapes having the same adhesive properties is obtained using a method for producing an adhesive tape, which method comprises the following steps: a) mixing an ASE thickener with water and producing an (ASE) thickener-water mixture (7); b) producing an adhesive dispersion (8) from an adhesive and a solvent; c) providing a textile substrate (2); d) applying the (ASE) thickener-water mixture (7) to the textile substrate; e) applying the adhesive dispersion (8) to the (ASE) thickener-water mixture (7) in order to obtain the adhesive tape; f) drying the obtained adhesive tape; in which method the thickener, in particular the ASE thickener, is saturated with water and the adhesive dispersion (8) is applied after or at the same time as the (ASE) thickener-water mixture (7) is applied.

Abstract: A process for producing a cured pressure-sensitive adhesive that comprises a composition including at least one solid acrylonitrile-butadiene rubber, at least one tackifier resin, and optionally at least one liquid acrylonitrile-butadiene rubber, comprises subjecting the composition to electron-beam irradiation (EBC) with an acceleration voltage of 1.8 to 2.38 kV per 1 pm layer thickness of the composition and with a total beam dose of 5 to 50 kGy. Also disclosed is a cured pressure-sensitive adhesive obtained or obtainable by the process. Further disclosed is a double-sidedly adhering, especially carrierless, adhesive tape, and also single- or double-sidedly adhering adhesive tape comprising, on a carrier layer, the cured pressure-sensitive adhesive. Disclosed finally is the use of the pressure-sensitive adhesive or of an adhesive tape made therefrom for bonding components in electronic devices, especially in mobile electronic devices, preferably tablets, mobile phones or smart watches.

Abstract: The present invention relates to a double-face adhesive tape that can be removed by twisting, prying or peeling off from, e.g., a wall without leaving residues. The present invention also relates to a method for the concealed mounting on and residue-free and non-destructive removal of objects from a sensitive substrate, wherein the object is affixed to the sensitive substrate by means of the double-face adhesive tape and, as and when necessary, is removed by twisting or prying or peeling.

Abstract: The present invention relates to a film laminate which is formed and designed to be separated after permanent adhesive bonding, comprising the following layers: a) a first adhesive compound layer, preferably a contact adhesive layer, b) a first support material, preferably in the form of a film, c) a separating layer, d) optionally a second support material, preferably in the form of a film, e) a second adhesive compound layer, preferably a contact adhesive layer, characterised in that the separating layer—has a thickness of 40 nm to 500 nm,—is black,—has a maximum transmittance of 30%,—consists of a metal which can be at least partially removed by laser radiation, the second adhesive compound layer being translucent to laser beams and/or the first adhesive compound layer and the first support material being translucent to laser beams.

Abstract: The invention relates to a method for homogenously incorporating filler into a self-adhesive compound, in particular a thermally crosslinkable self-adhesive compound, based on non-thermoplastic elastomer in a continuously working unit with a filling part and a compounding part.

Abstract: Methods for producing an adhesive filament from a pressure-sensitive adhesive, devices for carrying out the methods, adhesive filaments, adhesive rollers, and printed elements are provided. The methods comprise providing the pressure-sensitive adhesive; forming the pressure-sensitive adhesive to a material strand and treating at least a partial region of the surface of the material strand with a plasma stream.

Abstract: Adhesive tapes, especially for lengthwise jacketing of elongate items such as cable harnesses in motor vehicles and methods for producing and using said adhesive tapes are disclosed. Each adhesive tape comprises a carrier having a width BT based on the cross direction and at least one layer of adhesive applied on a bottom side of the carrier, wherein the adhesive layer bearing a second carrier, which has a lower width BSchutz than the width BT of the first carrier. The first carrier with the adhesive layer protrudes two-sidedly relative to the side edges of the second carrier, where the first protrusion has a width of BStart and the second protrusion has a width of BHülle. The first carrier is a woven fabric having a basis weight of 50 to 200 g/m2 and the second carrier is a textile carrier having a basis weight of 300 to 1000 g/m2.

Abstract: Shock-resistant adhesive compounds and methods are provided and comprise a) at least about 50% by weight, based on a total weight of the pressure sensitive adhesive, of at least one poly(meth)acrylate, b) about 15-35% by weight, based on the total weight of the pressure sensitive adhesive, of a synthetic rubber component comprising at least one vinylaromatic-butadiene block copolymer and at least one vinylaromatic-isoprene block copolymer, and c) at least one tackifying resin compatible with the synthetic rubber component, wherein a weight ratio of vinylaromatic-butadiene block copolymer(s): vinylaromatic-isoprene block copolymer(s) is about 1.1:1 to about 2.5:1. The methods bond one or more components of at least one portable device with the shock-resistant adhesive compounds.

Abstract: A tape assembly for masking an object to be painted and method of use is provided. The tape assembly is defined by a tape body having an anterior side, a posterior side, a body first edge, and an opposing body second edge. The tape body includes a first portion including a first substrate having a first adhesive layer on a posterior side of the first substrate, a second portion including a second substrate having a second adhesive layer on an anterior side of the second substrate, and a third portion including a third substrate having a third adhesive layer on a posterior side of the third substrate. The first and third portions partially overlap with the second portion in opposing first and second overlapping regions, respectively.

Abstract: A pressure-sensitive adhesive for bonding printing plates, comprising one or more copolymers in a combined mass fraction of 30% or more, based on the mass of the pressure-sensitive adhesive, where the one or more copolymers are preparable by polymerizing a monomer composition and optionally subsequently crosslinking the polymers, where the monomer composition, based on the mass of the monomer composition, comprises: i) one or more specific first monomers in a combined mass fraction in the range from 5% to 15%, ii) one or more specific second monomers in a combined mass fraction of 70% or more, and iii) one or more specific third monomers in a combined mass fraction in the range from 5% to 15%.

Abstract: A chemical-resistant, reactive pressure-sensitive adhesive tape having a reactive adhesive including a radically polymerizable monomer or oligomer, an initiator system for curing the at least one radically polymerizable monomer or oligomer, and a poly(meth)acrylate which contains a fraction of at least 15 percent by weight of monomers with aromatic radicals.

Abstract: A reactive pressure-sensitive adhesive element that includes: i) a carrier layer; ii) a first adhesive layer arranged on a first surface of the carrier layer that comprises a first UV-curable pressure-sensitive adhesive; and iii) a second adhesive layer arranged on a second surface of the carrier layer facing away from the first surface, wherein the second adhesive layer comprises a second UV-curable pressure-sensitive adhesive. Each of the first and second UV-curable pressure-sensitive adhesives, based on a mass of the respective pressure-sensitive adhesive, comprises: x) one or more poly (meth) acrylate compounds in a combined mass fraction from 35% to 85%; y) one or more polymerizable epoxy compounds in a combined mass fraction from 10% to 50%; and z) one or more photoinitiators in a combined mass fraction from 0.1% to 5%. Further, the carrier layer comprises a foam carrier, the foam carrier comprising one or more polyolefins.

Abstract: A chemical-resistant, reactive, pressure-sensitive adhesive tape with a reactive adhesive compound comprising at least one epoxide compound, at least one initiator for curing the epoxide compound, and a poly(meth)acrylate which contains a high fraction of at least 55 percent by weight of monomers having aromatic radicals.

Abstract: An adhesive tape, and adhesive tape assembly, that includes: a first layer of adhesive (D), the layer (D) comprising at least one electrolyte; a second layer of adhesive (C), the layer (C) being electrically conductive; and an electrically conductive carrier layer (T), the carrier layer (T) disposed between the first layer (D) and the second layer (C). Further, the layers (D), (T), and (C) are disposed one above another such that none of the layers (D), (T), and (C) laterally protrudes beyond any of the other layers (D), (T), and (C). The adhesive tape assembly can further include a first substrate (A) that is electrically conductive, a second substrate (B) disposed on a face of the second layer (C) that is opposite the carrier layer (T), and wherein the second layer (C) laterally protrudes beyond the substrate (B) such that the layer (C) has an exposed face.