Patent classifications
C08F220/34
Polymer glass transition temperature manipulation via Z/E hydrazone photoswitching
In an embodiment, the present disclosure pertains to a method of changing the glass transition temperature of a polymer. In some embodiments, the polymer includes at least one hydrazone-containing compound. In general, the methods of the present disclosure include one or more of the following steps of: (1) applying light to the polymer; and (2) thereby changing the glass transition temperature of the polymer. In another embodiment, the present disclosure pertains to a polymer having a light-adjustable glass transition temperature. In some embodiments, the polymer includes at least one hydrazone-containing compound.
Coating composition for use with an overcoated photoresist
A method for forming a photoresist relief image including applying a layer of a coating composition on a substrate; and disposing a layer of a photoresist composition on the layer of the coating composition, wherein the coating composition comprises an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer.
Coating composition for use with an overcoated photoresist
A method for forming a photoresist relief image including applying a layer of a coating composition on a substrate; and disposing a layer of a photoresist composition on the layer of the coating composition, wherein the coating composition comprises an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer.
Coating composition for use with an overcoated photoresist
A method for forming a photoresist relief image including applying a layer of a coating composition on a substrate; and disposing a layer of a photoresist composition on the layer of the coating composition, wherein the coating composition comprises an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer.
KETONE FUNCTIONALIZED POLYMERS, METHODS OF MAKING KETONE FUNCTIONALIZED POLYMERS, AND COMPOSITIONS INCLUDING THE SAME
A ketone-containing polymer can provide for a paint having increased scrub resistance and decreased changes in viscosity, while maintaining quick dry times. In particular, the polymers may be used in compositions for traffic markings and industrial coatings.
KETONE FUNCTIONALIZED POLYMERS, METHODS OF MAKING KETONE FUNCTIONALIZED POLYMERS, AND COMPOSITIONS INCLUDING THE SAME
A ketone-containing polymer can provide for a paint having increased scrub resistance and decreased changes in viscosity, while maintaining quick dry times. In particular, the polymers may be used in compositions for traffic markings and industrial coatings.
KETONE FUNCTIONALIZED POLYMERS, METHODS OF MAKING KETONE FUNCTIONALIZED POLYMERS, AND COMPOSITIONS INCLUDING THE SAME
A ketone-containing polymer can provide for a paint having increased scrub resistance and decreased changes in viscosity, while maintaining quick dry times. In particular, the polymers may be used in compositions for traffic markings and industrial coatings.
SLUDGE DEHYDRATING AGENT AND SLUDGE DEHYDRATING METHOD
A sludge dehydrating agent comprising a cationic polymer which has: a constitutional unit a derived from a quaternary ammonium salt having a specific structure; and at least one constitutional unit selected from among a constitutional unit b derived from a quaternary ammonium salt having a specific structure and a constitutional unit c derived from a tertiary amine salt having a specific structure, wherein the intrinsic viscosity of the cationic polymer at 30° C. in a 1 mol/L sodium nitrate aqueous solution is 0.5-4.0 dL/g.
SLUDGE DEHYDRATING AGENT AND SLUDGE DEHYDRATING METHOD
A sludge dehydrating agent comprising a cationic polymer which has: a constitutional unit a derived from a quaternary ammonium salt having a specific structure; and at least one constitutional unit selected from among a constitutional unit b derived from a quaternary ammonium salt having a specific structure and a constitutional unit c derived from a tertiary amine salt having a specific structure, wherein the intrinsic viscosity of the cationic polymer at 30° C. in a 1 mol/L sodium nitrate aqueous solution is 0.5-4.0 dL/g.
BIOCOMPATIBLE DEVICE WITH AN ADSORBED LAYER OF CATIONIC COMB COPOLYMER
The present invention relates to a biocompatible device which comprises on its surface an adsorbed layer of a polymer P which is a copolymer of at least one macromonomer selected from an ester E of (meth)acrylic acid and polyethylene oxide or a polyethylene glycol (meth)acrylamide, at least one monomer M selected from alkyl (meth)acrylate, aryloxyalkyl (meth)acrylate, alkyl (meth)acrylamide or aryl (meth)acrylamide, and at least one cationic monomer C selected from cationic ethylenically unsaturated N-containing monomers. It further relates to a process for making a biocompatible device which comprises on its surface an adsorbed layer of the polymer P comprising the following steps: providing a biocompatible device, and applying to the surface of the biocompatible device a solution S of the polymer Pin a solvent L. It further relates to a solution S comprising the polymer P in the solvent L, where the solvent L comprises an alcohol; and to a process for cultivating cells, comprising the following steps: providing the biocompatible device and cultivating the cells in the supernatant medium above the surface of the biocompatible device.