Described herein are organoborane polymers and methods for the oxidation of these organoborane polymers to poly (vinyl alcohol) PVA. The organoborane polymers of the present invention respond to an external trigger by changing from a hydrophobic to a hydrophilic state.

Described herein are organoborane polymers and methods for the oxidation of these organoborane polymers to poly (vinyl alcohol) PVA. The organoborane polymers of the present invention respond to an external trigger by changing from a hydrophobic to a hydrophilic state.

The present specification relates to a compound, a coating composition including the same, and an organic light emitting device.

A polymeric bead having radius R wherein the polymer comprises 0.3% to 20% by weight, based on the weight of the polymer, of polymerized units of one or more multifunctional vinyl monomer and 80% to 99.7% by weight, based on the weight of the polymer, of polymerized units of one or more monofunctional vinyl monomer, (a) wherein the polymerized units of multifunctional vinyl monomer have radial distribution factor MR of 0.9 to 1.1, and (b) wherein some of the vinyl groups in the polymerized units of multivinyl monomer are unreacted, and the unreacted vinyl groups have a radial distribution factor VR of 2.5 or higher.

A polymeric bead having radius R wherein the polymer comprises 0.3% to 20% by weight, based on the weight of the polymer, of polymerized units of one or more multifunctional vinyl monomer and 80% to 99.7% by weight, based on the weight of the polymer, of polymerized units of one or more monofunctional vinyl monomer, (a) wherein the polymerized units of multifunctional vinyl monomer have radial distribution factor MR of 0.9 to 1.1, and (b) wherein some of the vinyl groups in the polymerized units of multivinyl monomer are unreacted, and the unreacted vinyl groups have a radial distribution factor VR of 2.5 or higher.

Described are methods using aromatic vinyl borane monomers for the preparation of highly functionalized copolymers bearing vinyl alcohol, lactone, and ester side chains.

The present invention relates to a pressure-sensitive adhesive composition including a compound having a substituent represented by the general formula (1) described in the specification, in which when each of R.sup.1 and R.sup.2 in the substituent represented by the general formula (1) represents a hydrogen atom, a distance between an oxygen atom of —OR.sup.1 and an oxygen atom of —OR.sup.2 is 1.31 Å or more and 4.70 Å or less, a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition, and a pressure-sensitive adhesive sheet comprising the pressure-sensitive adhesive layer.

The present invention relates to a pressure-sensitive adhesive composition including a compound having a substituent represented by the general formula (1) described in the specification, in which when each of R.sup.1 and R.sup.2 in the substituent represented by the general formula (1) represents a hydrogen atom, a distance between an oxygen atom of —OR.sup.1 and an oxygen atom of —OR.sup.2 is 1.31 Å or more and 4.70 Å or less, a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition, and a pressure-sensitive adhesive sheet comprising the pressure-sensitive adhesive layer.

Methods and compositions for improving performance of flocculants in an industrial production process. Methods include pH triggered cross-linking reaction between a flocculating agent, such as dextran, and a composition comprising a boronic acid-containing polymer. The pH trigger can be provided by a fluid having a pH of 8 or more. The production process can be a Bayer Process and the fluid is caustic liquor or slurry in the fluid circuit of the Bayer, wherein the reaction time is reduced over conventional methods and the cross-linked dextran composition effectuates improved flocculation of the trihydrate particles.

Methods and compositions for improving performance of flocculants in an industrial production process. Methods include pH triggered cross-linking reaction between a flocculating agent, such as dextran, and a composition comprising a boronic acid-containing polymer. The pH trigger can be provided by a fluid having a pH of 8 or more. The production process can be a Bayer Process and the fluid is caustic liquor or slurry in the fluid circuit of the Bayer, wherein the reaction time is reduced over conventional methods and the cross-linked dextran composition effectuates improved flocculation of the trihydrate particles.