Abstract: Provided is a UV curable adhesive composition, an adhesive tape comprising the UV curable adhesive composition, an adhesive film formed by UV curing of the adhesive composition, and a corresponding bonding member. The UV curable adhesive composition and the adhesive tape comprising the UV curable adhesive composition have a hybrid system of a (meth) acrylate component, epoxy resin, core-shell rubber particles, cationic photoinitiator and an amphoteric inorganic filler.

Abstract: The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii.

Abstract: A thermally curable adhesive film, a tape, and a method of making the tape, wherein the film includes: a crosslinked (meth)acrylate matrix; and a thermally curable, one-part epoxy/thiol resin composition incorporated within the crosslinked (meth)acrylate matrix; wherein the thermally curable, one-part epoxy/thiol resin composition comprises: an epoxy resin component comprising an epoxy resin having at least two epoxide groups per molecule; a thiol component comprising a polythiol compound having at least two thiol groups; a nitrogen-containing catalyst for the epoxy resin; and an organic acid.

Abstract: The present invention provides a UV-curable pressure-sensitive adhesive composition, comprising: 81 to 97.5 parts of (meth)acrylate polymer having a carboxyl functional group by weight, the amount of the carboxyl functional group in the (meth)acrylate polymer having the carboxyl functional group being equal to or greater than 40 mmol/100 g; 2.5 to 19 parts of an epoxy resin by weight; 0.3 to 6 parts of a polyol by weight; and 0.05 to 5 parts of a photoinitiator by weight. The UV-curable pressure-sensitive adhesive composition has good anti-repulsion. The present invention further provides a UV-curable adhesive tape comprising the UV-curable pressure-sensitive adhesive composition.

Abstract: Disclosed are a UV curable adhesive composition, an adhesive tape comprising the UV curable adhesive composition, an adhesive film formed by UV curing of the adhesive composition, and a corresponding bonding member. The UV curable adhesive composition and the adhesive tape comprising the UV curable adhesive composition have a hybrid system of reactive polyacrylate/epoxy resin/core-shell rubber particles/hydroxy-containing compound, wherein a cationic photoinitiator is used to initiate curing of the epoxy a resin.

Abstract: Transfer tapes include a releasing substrate and an adhesive layer adjacent to the surface of the releasing substrate. The adhesive layer includes a cured copolymer prepared from a reaction mixture that includes at least one alkyl (meth)acrylate, at least one ethylenically unsaturated silane, and an initiator. The adhesive layer is a pressure sensitive adhesive at room temperature and is convertible into a ceramic-like layer by bake-out at a temperature of from 170-500°.

Abstract: Adhesive articles include a substrate; and a hot melt processable pressure sensitive adhesive on the substrate. The hot melt processable pressure sensitive adhesive is a (meth)acrylate-based copolymer that is the reaction product of a reaction mixture that is free of acidic or basic monomers, and includes an alkyl (meth)acrylate, a hydroxyl-functional (meth)acrylate, and a photocrosslinker. The (meth)acrylate-based polymer is prepared in a thermoplastic package.

Abstract: The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii.

Abstract: The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii.

Abstract: The present disclosure provides a crosslinkable composition including a (meth)acrylate polymer and a visible light absorbing compound. Two percent or less of the carbon-carbon bonds in the crosslinkable composition are double bonds. The composition allows for inclusion of one or more materials degradable by ultraviolet radiation and/or stabilized against ultraviolet radiation. Methods for making a crosslinked composition is also provided. One method includes obtaining a crosslinkable composition and subjecting the crosslinkable composition to radiation having a wavelength of 400 nm or greater. Another method includes subjecting a crosslinkable composition to first and second radiations that are different from each other.

Abstract: Described herein is a backing comprising a sorbent material entrapped in a non-woven fiber matrix, wherein the backing comprises a first and a second major surface; and a first adhesive layer contacting the first major surface of the backing, wherein the first adhesive layer comprises a pressure sensitive adhesive.

Abstract: A thermally curable adhesive film, a tape, and a method of making the tape, wherein the film includes: a crosslinked (meth)acrylate matrix; and a thermally curable, one-part epoxy/thiol resin composition incorporated within the crosslinked (meth)acrylate matrix; wherein the thermally curable, one-part epoxy/thiol resin composition comprises: an epoxy resin component comprising an epoxy resin having at least two epoxide groups per molecule; a thiol component comprising a polythiol compound having at least two thiol groups; a nitrogen-containing catalyst for the epoxy resin; and an organic acid.

Abstract: A method of forming a transfer film is described. The transfer film includes a template layer having a first major surface and an opposing second major surface. The second major surface includes a structured non-planar release surface. A backfill layer is disposed upon and conforms to the non-planar structured surface. The backfill layer includes a first cross-linked polymer and a plurality of multifunctional monomers, which cure via different and independent curing mechanisms.

Abstract: Transfer tapes include a releasing substrate and an adhesive layer adjacent to the surface of the releasing substrate. The adhesive layer includes a cured copolymer prepared from a reaction mixture that includes at least one alkyl (meth)acrylate, at least one ethylenically unsaturated silane, and an initiator. The adhesive layer is a pressure sensitive adhesive at room temperature and is convertible into a ceramic-like layer by bake-out at a temperature of from 170-500°.

Abstract: A multilayer pressure sensitive adhesive assembly comprising a polymeric foam layer and a first pressure sensitive adhesive layer adjacent to the polymeric foam layer. The polymeric foam comprises a plurality of activated carbon particles distributed therein, and the first pressure sensitive adhesive comprises: a linear block copolymer having the formula M-(G)p, wherein M is a rubbery block; each G is a glassy block comprising a polymerized monovinyl aromatic monomer; and p is 1 or 2; at least one hydrocarbon tackifier; and a (meth)acrylate copolymer having a Tg higher than 25° C. and a weight average molecular weight (Mw) comprised between 1000 and 100.000 Daltons, and comprising: (meth)acrylic acid ester monomer units having a Tg higher than 25° C. when homopolymerized.

Abstract: The present disclosure provides a crosslinkable composition including a (meth)acrylate polymer and a visible light absorbing compound. Two percent or less of the carbon-carbon bonds in the crosslinkable composition are double bonds. The composition allows for inclusion of one or more materials degradable by ultraviolet radiation and/or stabilized against ultraviolet radiation. Methods for making a crosslinked composition is also provided. One method includes obtaining a crosslinkable composition and subjecting the crosslinkable composition to radiation having a wavelength of 400 nm or greater. Another method includes subjecting a crosslinkable composition to first and second radiations that are different from each other.

Abstract: Described herein is a liner comprising a sorbent material entrapped in a non-woven fiber matrix, wherein the liner comprises a first and a second major surface; and a first adhesive layer contacting the first major surface of the liner, wherein the first adhesive layer comprises a pressure sensitive adhesive.

Abstract: Described herein is a foam adhesive article comprising: a closed cell foam layer comprising an extruded thermoplastic polymer foam and particles distributed therein, wherein the particles comprise a plurality of hollow particles, wherein the hollow particles comprise at least one of thermoplastic expanded polymeric particles, glass particles, and mixtures thereof; and a plurality of sorbent particles. Also disclosed herein are precursor compositions and methods of making such constructions.

Abstract: Described herein is a backing comprising a sorbent material entrapped in a non-woven fiber matrix, wherein the backing comprises a first and a second major surface; and a first adhesive layer contacting the first major surface of the backing, wherein the first adhesive layer comprises a pressure sensitive adhesive.

Abstract: A transfer film includes a template layer having a first major surface and an opposing second major surface. The second major surface includes a structured non-planar release surface. A backfill layer is disposed upon and conforms to the non-planar structured surface. The backfill layer includes a first cross-linked polymer and a plurality of multifunctional monomers, which cure via different and independent curing mechanisms.