Acrylic syrup polymer composition are provided by partially polymerizing a (meth)acrylic monomer mixture in the presence of a thiol chain transfer agent to produce a first syrup polymer composition comprising a low molecular weight solute (meth)acrylic copolymer and solvent monomers, quenching the chain transfer agent, further polymerizing the first syrup polymer composition to produce a second syrup polymer composition comprising the low molecular weight solute acrylic copolymer, a high molecular weight solute acrylic copolymer and optionally unreacted solvent monomers, optionally adding a crosslinker and photoinitiator; and further photopolymerizing the syrup polymer composition to produce a pressure-sensitive adhesive.

Fluorinated coupling agents and polymerizable compositions including such fluorinated coupling agents and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Multilayer films including a substrate and at least a first layer overlaying a surface of the substrate also are described, in which the at least first layer includes a (co)polymer obtained by polymerizing the foregoing polymerizable compositions. Processes for making a multilayer film using the polymerizable composition also are taught. Articles including the multilayer film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display device, a solid-state lighting device, a sensor, a medical or biological diagnostic device, an electrochromic device, light control device, or a combination thereof.

The invention relates to a method of making hybrid organic-inorganic core-shell nano-particles, comprising the steps of a) providing colloidal organic particles comprising a synthetic polyampholyte as a template; b) adding at least one inorganic oxide precursor; and c) forming a shell layer from the precursor on the template to result in core-shell nano-particles. With this method it is possible to make colloidal organic template particles having an average particle size in the range of 10 to 300 nm; which size can be controlled by the comonomer composition of the polyampholyte, and/or by selecting dispersion conditions.

The invention also relates to organic-inorganic or hollow-inorganic core-shell nano-particles obtained with this method, to compositions comprising such nano-particles, to different uses of said nano-particles and compositions, and to products comprising or made from said nano-particles and compositions, including anti-reflective coatings and composite materials.

The present invention relates to a novel copolymer, to processes for preparation thereof and to the use thereof.

Zwitterionic polymers or biocompatible polymers with improved properties for cell encapsulation, coating of devices, or a combination thereof are described. The biocompatible polymer contains a zwitterionic monomer, a monomer with a reactive side chain, and optionally another hydrophobic monomer or a neutral hydrophilic monomer. The zwitterionic polymers are cross-linked with a cross-linker via covalent bond to form a zwitterionic hydrogel in the presence of cells. Also provided, are methods of making and using the zwitterionic polymers.

An optical clear resin includes a tetrahydrofuran (THF)-based oligomer having a glass transition temperature of about −50° C. or less, an acrylate-based monomer, and a photoinitiator. As the optical clear resin includes the tetrahydrofuran-based oligomer, the curing time of the optical clear resin is shortened and the modulus of elasticity of the optical clear resin is lowered.

Powder including low molecular weight polytetrafluoroethylene having a melt viscosity of 1×10.sup.2 to 7×10.sup.5 Pa.Math.s at 380° C., having a melt viscosity of 1×10.sup.2 to 7×10.sup.5 Pa.Math.s at 380° C., having an average particle size of 1.0 to 50 μm, and containing 30 or more carboxyl groups at ends of the molecule chain per 10.sup.6 carbon atoms in the main chain, wherein the powder is substantially free from C8-C14 perfluorocarboxylic acids and salts thereof.

The invention relates to a method for producing a hydrocarbon resin, in which method a monomer mixture which contains an aromatic component containing indene and/or C.sub.1-4 alkylindene and a cyclic diolefin component containing a cyclic diolefin compound is polymerized by heating to a polymerization temperature of at least 180° C. to obtain a product stream containing hydrocarbon resin, wherein oligomers which contain units originating from the cyclic diolefin compound and/or units originating from the aromatic component are separated from the product stream and returned to the monomer mixture, and wherein the hydrocarbon resin is heated in an annealing step to a temperature of 150° C. to 300° C. for a period of 15 minutes to 240 hours. The invention also relates to a hydrocarbon resin that is obtainable by the method, to a hydrogenated hydrocarbon resin, and to the use of the hydrocarbon resin and the hydrogenated hydrocarbon resin.

A sheet includes a support layer and a coating layer on a side of the support layer. The coating layer is partially cured. The coating layer has carbon-carbon double bonds. The relative amount of carbon-carbon double bonds is higher at the surface of the coating layer than at the contact surface of the coating layer with the support layer. Methods are disclosed to manufacture such sheets; and to produce a decorative panel using such sheets.

The present invention relates to a polyol component (A) comprising at least one polyacrylate polyol (A1), crosslinkable composition comprising the polyol component (A), and its use in coatings. More particularly, the polyol component (A) comprises at least one polyacrylate polyol (A1) obtained from monomers of hydroxyalkyl(meth)acrylate monomers (a1) and (substituted) cycloaliphatic (meth)acrylate monomers (a4), the polyacrylate polyol (A1) having a Mn of between 500 and 2,000 Dalton and a Mw of between 800 and 4,000 Dalton. The crosslinkable composition comprises the polyol component (A) and a crosslinker (C) comprising functional groups reactable with polyacrylate polyol (A1). The crosslinkable composition is especially suitable for clear coat and top coat applications.