Abstract: Controlled radical initiators, reaction mixtures containing the controlled radical initiators and various ethylenically unsaturated monomers, and polymeric materials formed from the reaction mixtures are provided. The controlled radical initiators are bis-dithiocarbamate or bis-dithiocarbonate compounds with a single carbon atom between the two dithiocarbamate or dithiocarbonate groups. Polymeric materials such as homopolymers, random copolymers, and block copolymers can be prepared using the controlled radical initiators.

Abstract: A film is described comprising a (meth)acrylic polymer and a polyvinyl acetal (e.g. butyral) resin. In some embodiments, the film has a glass transition temperature (i.e. Tg) ranging from 30° C. to 60° C. In some embodiments, the film has a gel content of at least 20% or greater. In some embodiments, the film has an elongation at break of at least 175%. The film typically comprises photoinitiator as a result of the method by which the film was made. The film may be a monolithic film or a layer of a multilayer film.

Abstract: A film is described comprising a (meth)acrylic polymer and a polyvinyl acetal (e.g. butyral) resin. In some embodiments, the film has a glass transition temperature (i.e. Tg) ranging from 30° C. to 60° C. In some embodiments, the film has a gel content of at least 20% or greater. In some embodiments, the film has an elongation at break of at least 175%. The film typically comprises photoinitiator as a result of the method by which the film was made. The film may be a monolithic film or a layer of a multilayer film.

Abstract: A film is described comprising a (meth)acrylic polymer and polyvinyl acetal polymer composition. A layer of an adhesive composition is disposed proximate the film. The adhesive composition has a tensile elastic modulus of less than 1 MPa at 25° C. and 1 hertz.

Abstract: A film is described comprising a first film layer having a Tg ranging from 30° C. to 60° C. The first film layer comprises a (meth)acrylic polymer and polyvinyl acetal polymer composition. The film further comprises a second layer proximate the first film layer. The second layer is different than the first film layer. The second may be a cured (meth)acrylic polymer film or coating; a backing such as thermoplastic polymer, woven or nonwoven fabrics, metal foils, paper, foams; or a coverfilm such as a fluoropolymer.

Abstract: A film is described comprising a (meth)acrylic polymer and polyvinyl acetal polymer composition, wherein the film comprises a structured layer.

Abstract: An (meth)acrylate pressure-sensitive adhesive copolymer crosslinking by a vinyl silicon crosslinking agent is described.

Abstract: A transparent conductor is provided, including a visible light transparent substrate and metal traces disposed on the substrate, and a layer of a second metal deposited on at least a portion of the metal traces. The transparent conductor further includes a layer of a second metal, which conforms to the surface structure of the metal traces on which it is deposited. Optionally, the transparent conductor also includes a coating layer disposed on a portion of the metal traces and the substrate surface. The coating layer includes a polymer prepared from a polymerizable composition containing at least one ionic liquid monomer. A method of forming a transparent conductor is also provided, including obtaining a visible light transparent substrate having metal traces disposed on the substrate and applying a coating composition on a portion of the metal traces and substrate. The coating composition contains at least one noble metal salt and at least one polymerizable ionic liquid monomer.

Abstract: Epoxy compounds that are bisanhydrohexitol derivatives (i.e., isosorbide derivatives, isomannide derivatives, isoidide derivatives, or mixtures thereof) having two terminal oxirane groups are provided. Additionally, curable compositions that include these epoxy compounds, cured compositions prepared from the curable compositions, and articles containing the cured compositions are described. The cured compositions can be used, for example, as a structural adhesive or as a coating.

Abstract: A pressure-sensitive adhesive composition comprises a polyvinyl ether polymer. The polyvinyl ether polymer comprises 2-alkylalkoxyethylene monomeric units independently represented by the formula wherein R1 and R2 represent alkyl groups, and wherein taken together R1 and R2 have from 8 to 30 carbon atoms. An adhesive article comprises a layer of the pressure-sensitive adhesive composition on a substrate.

Abstract: Polymeric compositions are provided that include a furan 2,5-di-ester or tetrahydrofuran 2,5-di-ester plasticizer. The plasticizer has low odor, has good compatibility with a variety of polymers such as hydrophilic polymeric materials, and can be formed from renewable resources. Further, the plasticizer can be used at temperatures often encountered during hot melt processing of polymeric compositions.

Abstract: A composition is described comprising semicrystalline polylactic acid polymer; polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25 C; plasticizer; and optionally amorphous polylactic acid polymer. In another embodiment the composition further comprises nucleating agent. Also described are films comprising the composition as well as articles, such as a tape or sheet, comprising the film described herein and a layer of pressure sensitive adhesive disposed on the film.

Abstract: A pressure-sensitive adhesive is provided including an emulsion polymer containing a (meth)acrylate copolymer and nanocrystalline cellulose. The inclusion of the nanocrystalline cellulose results in an increase in the overlap shear properties of the adhesive while maintaining the peel adhesion. Articles and emulsions including the pressure-sensitive adhesive are also provided.

Abstract: An (meth)acrylate pressure-sensitive adhesive copolymer is described prepared by crosslinking with a (meth)acrylic crosslinking monomer containing an allyl group.

Abstract: An (meth)acrylate pressure-sensitive adhesive copolymer crosslinking by a vinyl silicon crosslinking agent is described

Abstract: Articles are provided, having a multilayer structure including (a) a first layer formed from polyolefin and including undercut features formed on and extending from an integral backing; (b) a second layer including an adhesive having a Shore D hardness of greater than 59 when cured; and (c) a third layer including a substrate. The second layer is interlocked with the undercut features, the third layer is adhered to the adhesive, and the second layer is disposed between the first layer and the third layer. A method is also provided including (a) depositing a polyolefin resin into a mold cavity to form a first layer including undercut features; (b) demolding the first layer from the mold cavity at a rate of at least 150 millimeters per minute; (c) applying a curable adhesive to the undercut features to form a second layer attached to the first layer; and (d) attaching a third layer including a substrate to the second layer.

Abstract: Compositions containing tetrahydrofurfuryl and/or alkyl-substituted tetrahydrofurfuryl esters of citric acid are provided. These esters of citric acid can be formed from renewable materials and can be used, for example, as plasticizers for various polymeric materials. The tetrahydrofurfuryl and/or alkyl-substituted tetrahydrofurfuryl esters of citric acid typically have a low odor, have good compatibility with a variety of polymeric materials, and can be used at temperatures often encountered during hot melt processing of polymeric materials.

Abstract: This disclosure relates to viscoelastic damping materials and constructions which may demonstrate low temperature performance and adhesion and which may be used in making vibration damping composites. Viscoelastic damping materials and constructions may include polymers or copolymers of monomers according to formula I: CH2?CHR1—COOR2??[I] wherein R1 is H, CH3 or CH2CH3 and R2 is a branched alkyl group containing 12 to 32 carbon atoms.

Abstract: Polymeric compositions are provided that include a 1,2,5-pentanetriol trialkylester plasticizer. The plasticizer has low odor, has good compatibility with a variety of polymers such as hydrophilic polymeric materials, and can be formed from renewable resources. Further, the plasticizer can be used at temperatures often encountered during hot melt processing of polymeric compositions.

Abstract: An adhesive composition is described comprising a tackifier and at least one grafted isobutylene copolymer. The grafted isobutylene copolymer has the formula: R1—(R2—Z) wherein R1 represents an isobutylene copolymer, R2 is a covalent bond or multivalent alkylene or arylene, and Z is a grafted polymer. Z is typically a homopolymer of copolymer comprising alkene repeat units, aralkylene repeat units, or a combination thereof. Also described are adhesive coated articles, methods of making adhesive coated articles, and grafted isobutylene polymers.