Abstract: Poly(benzoxazine) polymer are prepared by heating a benzoxazine compound in the presence of a (meth)acrylate copolymer having pendent tosylate groups, resulting in an interpenetrating polymer network of a poly(benzoxazine) and a crosslinked (meth)acrylate copolymer.

Abstract: A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a stabilizing additive of the formula (I).

Abstract: A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a stabilizing additive of the formula

Abstract: Diurethane (meth)acrylate-silane precursor compounds prepared by reacting a primary or secondary aminosilane with a cyclic carbonate to yield a hydroxylalkylene-carbamoylalkylene-alkoxysilanes (referred to as a “hydroxylcarbamoylsilane”), which is reacted with a (meth)acrylated material having isocyanate functionality, either neat or in solvent, and optionally with a catalyst, such as a tin compound. 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 diurethane (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.

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: Encapsulated device including a photovoltaic cell and a composite film overlaying at least a portion of the photovoltaic cell, the composite film further 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 derived from a silane precursor compound on the oxide layer

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 curable dental composition comprising an addition-fragmentation agent and a curable dental resin is disclosed.

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: A polymerizable composition is described comprising a benzoxazine, and a tosylate, which when thermolyzed, forms a (meth)acrylamide, a (meth)acrylate, a vinyl ketone, a vinyl ether or a styrenic compound.

Abstract: Novel stress-reducing crosslinking oligomers that have application in dental restoratives, thin films, hardcoats, composites, adhesives, and other uses subject to stress reduction are described. The addition-fragmentation process of crosslinking results in a chain-transfer event that provides novel polymers that may be further functionalized. In addition, the addition-fragmentation oligomer comprises pendent functional groups that bond to a substrate by forming an ionic or covalent bond, or etch the substrate by chemically removing some material from the 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: 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: A Addition-fragmentation oligomers containing allylic disulfide groups are described. The oligomers may be added to polymerizable compositions to provide labile crosslinks that can cleave and reform during the polymerization process.

Abstract: Addition-fragmentation oligomers of the general formula Z—By-A-(B-A)x-B-A-By—Z, where the A monomers units are derived from a diester or diacid, the B monomer units are derived from a difunctional monomer having functional groups co-reactive with the acid or ester groups of the A monomer, x+y is zero to 60, Z comprises an ethylenically unsaturated, polymerizable group, A monomers comprise a 1-methylene-3,3-dimethylpropyl group, and at least one B monomer unit comprises a high refractive index group.

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: A polymerizable composition that includes: an organoborane-base complex, wherein the base is a complexing agent selected from a compound having one or more amine groups, amidine groups, hydroxide groups, alkoxide groups, or combinations thereof; a decomplexing agent that liberates the organoborane from the organoborane-base complex; a polymerizable thiol-containing component that includes at least one polymerizable thiol-containing compound having a plurality of thiol groups in which the sulfur atom of the thiol group is covalently bonded to carbon; and a polymerizable ethylenically unsaturated component that includes at least one polymerizable ethylenically unsaturated compound having a plurality of ethylenically unsaturated groups; wherein the total amount of the thiol-containing and ethylenically unsaturated compounds total at least 50% by weight of all polymerizable material in the composition.

Abstract: The present disclosure provides addition-fragmentation oligomers of the general formula: The crosslinking oligomers of this disclosure provide stress relief by including labile crosslinks that can cleave and reform during the polymerization process.

Abstract: Addition-fragmentation oligomers of the general formula Z—By-A-(B-A)x-B-A-By—Z, where the A monomers units are derived from a diester or diacid, the B monomer units are derived from a difunctional monomer having functional groups co-reactive with the acid or ester groups of the A monomer, x+y is zero to 60, Z comprises an ethylenically unsaturated, polymerizable group, A monomers comprise a 1-methylene-3,3-dimethylpropyl group, and at least one B monomer unit comprises a high refractive index group.

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.