Abstract: Urea (multi)-(meth)acrylate (multi)-silane precursor compounds, synthesized by reaction of (meth)acrylated materials having isocyanate functionality with aminosilane compounds, either neat or in a solvent, and optionally with a catalyst, such as a tin compound, to accelerate the reaction. Also described are articles including a substrate, a base (co)polymer layer on a major surface of the substrate, an oxide layer on the base (co)polymer layer; and a protective (co)polymer layer on the oxide layer, the protective (co)polymer layer including the reaction product of at least one urea (multi) (meth)acrylate (multi)-silane precursor compound synthesized by reaction of (meth)acrylated materials having isocyanate functionality with aminosilane compounds. The substrate may be a (co)polymer film or an electronic device such as an organic light emitting device, electrophoretic light emitting device, liquid crystal display, thin film transistor, or combination thereof.

Abstract: A barrier film including a substrate; a base polymer layer adjacent to the substrate; an oxide layer adjacent to the base polymer layer; a adhesion-modifying layer adjacent to the oxide layer; and a top coat polymer layer adjacent to the adhesion-modifying layer. An optional inorganic layer can be applied over the top coat polymer layer. The inclusion of a adhesion-modifying layer provides for enhanced resistance to moisture and improved peel strength adhesion of the top coat polymer layer to the underlying barrier stack layers.

Abstract: The present disclosure generally relates to methods of forming barrier assemblies. Some embodiments include application of an adhesive layer and/or a topsheet to protect the exposed uppermost layer of the barrier stack during roll-to-roll processing. Some embodiments include application of an adhesive layer and/or a topsheet before the exposed, uppermost layer of the barrier film contacts a solid surface or processing roll. Inclusion of an adhesive layer and/or a topsheet protects the oxide layer during processing, which creates an excellent barrier assembly that can be manufactured using roll-to-roll processing.

Abstract: Urethane (multi)-(meth)acrylate (multi)-silane compositions, and articles including a (co)polymer reaction product of at least one urethane (multi)-(meth)acrylate (multi)-silane precursor compound. The disclosure also articles including a substrate, a base (co)polymer layer on a major surface of the substrate, an oxide layer on the base (co)polymer layer; and a protective (co)polymer layer on the oxide layer, the protective (co)polymer layer including the reaction product of at least one urethane (multi) (meth)acrylate (multi)-silane precursor compound. The substrate may be a (co)polymeric film or an electronic device such as an organic light emitting device, electrophoretic light emitting device, liquid crystal display, thin film transistor, or combination thereof. Methods of making urethane (multi)-(meth)acrylate (multi)-silane precursor compounds and their use in composite multilayer barrier films are also described.

Abstract: Addition-fragmentation agents of the formula are disclosed: wherein R1, R2 and R3 are each independently Z-Q-, a (hetero)alkyl group or a (hetero)aryl group with the proviso that at least one of R1, R2 and R3 is Zm-Q-, Q is a linking group have a valence of m+1; Z is an ethylenically unsaturated polymerizable group, m is 1 to 6; each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl, and n is 0 or 1.

Abstract: Compositions of matter described as urea (multi)-urethane (meth)acrylate-silanes having the general formula RA—NH—C(O)—N(R4)—R11—[O—C(O)NH—RS]n, or RS—NH—C(O)—N(R4)—R11—[O—C(O)NH—RA]n. Also described are articles including a substrate, a base (co)polymer layer on a major surface of the substrate, an oxide layer on the base (co)polymer layer; and a protective (co)polymer layer on the oxide layer, the protective (co)polymer layer including the reaction product of at least one urea (multi) urethane(meth)acrylate-silane precursor compound. The substrate may be a (co)polymer film or an electronic device such as an organic light emitting device, electrophoretic light emitting device, liquid crystal display, thin film transistor, or combination thereof. Methods of making such urea (multi)-urethane(meth)acrylate-silane precursor compounds, and their use in composite films and electronic devices are also described.

Abstract: A barrier film that includes a substrate, a first polymer layer on a major surface of the substrate, an oxide layer on the first polymer layer, and a second polymer layer on the oxide layer. At least one of the first or second polymer layers includes a siloxane reaction product of a secondary or tertiary amino-functional silane having at least two silane groups. A method of making the barrier film and articles and a barrier assembly including the barrier film are also disclosed.

Abstract: Dental compositions are described comprising an addition-fragmentation agent comprising at least one ethylenically unsaturated terminal group and a backbone unit comprising an ?,?-unsaturated carbonyl; at least one monomer comprising at least two ethylenically unsaturated group; and inorganic oxide filler. The addition-fragmentation agent is preferably free-radically cleavable. The addition-fragmentation agent preferably comprises at least two ethylenically unsaturated terminal groups, such as (meth)acTylate groups. In some embodiments, the addition-fragmentation agent has the formula: wherein R1, R2 and R3 are each independently Zm, -Q-, a (hetero)alkyl group or a (hetero)aryl group with the proviso that at least one of R1, R2 and R3 is Zm-Q-; Q is a linking group have a valence of m+1; Z is an ethylenically unsaturated polymerizable group; m is 1 to 6; each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl; and n is 0 or 1.

Abstract: A pressure sensitive adhesive composition is described comprising a polyisobutylene polymer having a first functional group and an acrylic polymer having a second functional group present in the acrylic polymer backbone. The first and second functional groups form a hydrogen bond. In some embodiments, the adhesive composition further comprises a crosslinker that covalently crosslinks the second functional group(s) present in the polymer backbone of the acrylic polymer. Also described are adhesive articles, such as a tape, methods of adhesively bonding, and methods of making a pressure sensitive adhesive.

Abstract: Addition-fragmentation agents of the formula are disclosed having the following functional groups: 1) a labile addition-fragmentation group that can cleave and reform to relieve strain, 2) a free-radically polymerizable group, and 3) a surface-modifying functional group that associates with the surface of a substrate.

Abstract: Presently described is a method for coupling an optical film to a substrate, laminated optical constructions comprising an optical film and an optical coupling layer disposed on a surface layer of the optical film, and coating compositions useful for optical an optical coupling layer. The coating compositions comprise at least 40 wt.-% inorganic nanoparticles having a refractive index of at least 1.85 and a polymeric silane surface treatment.

Abstract: Adhesive compositions are described comprising a) a non-functional isobutylene (co)polymer, b) an amine-functional poly(isobutylene) polymer, optionally an acid-functional (meth)acrylate copolymer, and optionally a tackifier.

Abstract: Surface-modified zirconia nanoparticles and methods for making and using the same are provided. The surface-modifiers include non-metallic organic derivatives, comprising at least one hydroxamate functionality, wherein at least some of the non-metallic organic derivatives are attached to at least some of the zirconia nanoparticles.

Abstract: Addition-fragmentation agents of the formula are disclosed having the following functional groups: 1) a labile addition-fragmentation group that can cleave and reform to relieve strain, 2) a free-radically polymerizable group, and 3) a surface-modifying functional group that associates with the surface of a substrate.

Abstract: Adhesive compositions are described comprising a) a non-functional isobutylene (co)polymer, b) an amine-functional poly(isobutylene) polymer, optionally an acid-functional (meth)acrylate copolymer, and optionally a tackifier.

Abstract: An article includes a patterned substrate including a substrate surface with an inorganic electro-conductive trace adjacent thereto (wherein the substrate and the inorganic material of the trace each has an index of refraction), and a layer including a polymerized acrylate matrix adjacent to at least a portion of the surface of the substrate and the inorganic electro-conductive trace, wherein the layer has an index of refraction that is within ±10% of the average of the indices of refraction of the substrate and the inorganic material of the trace.

Abstract: Presently described is an adhesive composition comprising at least one isobutylene polymer and an alkyl amine adhesion promoting agent. The alkyl amine is unreactive with respect to the isobutylene polymer. In favored embodiments, the alkyl amine adhesion promoting agent comprises an alkyl group having 6-24 carbon atoms. Further, the isobutylene polymer is a non-halogenated copolymer or homopolymer. Also described are adhesive articles a pressure sensitive adhesive, as described herein on a backing. The adhesive is particularly suitable for articles intended for use in a wet environment such as kitchen or bath articles.

Abstract: Adhesive compositions are described comprising a) a non-functional isobutylene (co)polymer, b) an amine-functional poly(isobutylene) polymer, optionally an acid-functional (meth)acrylate copolymer, and optionally a tackifier.

Abstract: Sensors (40) are described which comprise a reflective layer (52), a detection layer over the reflective layer (52), a semi-reflective layer (50) over the detection layer (48), and a masking layer (57) affixed to the reflective layer with a high Tg adhesive.

Abstract: Surface-modified zirconia nanoparticles include zirconia nanoparticles and surface-modifying ligands attached to the zirconia nanoparticles. The ligand includes a hydroxamate functionality, and either a reactive group or an oligomeric group. Reactive groups include chain transfer groups or photoinitiator groups. Oligomeric groups include poly(meth)acrylate or poly(meth)acrylamide groups. Articles can be prepared that include the surface-modified zirconia nanoparticles in an organic matrix.