An object is to provide a fluorine-containing copolymer composition that exhibits long-term stability as well as a fluororesin paint or varnish prepared using the composition.

Provided are: a composition comprising a fluorine-containing copolymer synthesized through copolymerization of 0.001 to 50 mol % of particular ethylenically unsaturated organosilicon compound polymerization units relative to 5 to 85 mol % of fluoroolefin polymerization units by a solution polymerization method, a solvent, and an amine compound; a fluororesin paint or varnish prepared using the composition; and a method of producing the fluorine-containing copolymer composition.

An object is to provide a fluorine-containing copolymer composition that exhibits long-term stability as well as a fluororesin paint or varnish prepared using the composition.

Provided are: a composition comprising a fluorine-containing copolymer synthesized through copolymerization of 0.001 to 50 mol % of particular ethylenically unsaturated organosilicon compound polymerization units relative to 5 to 85 mol % of fluoroolefin polymerization units by a solution polymerization method, a solvent, and an amine compound; a fluororesin paint or varnish prepared using the composition; and a method of producing the fluorine-containing copolymer composition.

Provided is a binder composition for a non-aqueous secondary battery heat-resistant layer with which it is possible to produce a slurry composition for a non-aqueous secondary battery heat-resistant layer that has excellent dispersion stability and coatability and that can form a heat-resistant layer for a non-aqueous secondary battery having excellent heat shrinkage resistance. The binder composition for a non-aqueous secondary battery heat-resistant layer contains a water-soluble polymer and water. The water-soluble polymer includes an amide group-containing monomer unit, an acid group-containing monomer unit, and a hydroxyl group-containing monomer unit. The proportional content of the amide group-containing monomer unit in the water-soluble polymer is not less than 63 mass % and not more than 98 mass % and the proportional content of the acid group-containing monomer unit in the water-soluble polymer is not less than 1 mass % and not more than 20 mass %.

Provided is a binder composition for a non-aqueous secondary battery heat-resistant layer with which it is possible to produce a slurry composition for a non-aqueous secondary battery heat-resistant layer that has excellent dispersion stability and coatability and that can form a heat-resistant layer for a non-aqueous secondary battery having excellent heat shrinkage resistance. The binder composition for a non-aqueous secondary battery heat-resistant layer contains a water-soluble polymer and water. The water-soluble polymer includes an amide group-containing monomer unit, an acid group-containing monomer unit, and a hydroxyl group-containing monomer unit. The proportional content of the amide group-containing monomer unit in the water-soluble polymer is not less than 63 mass % and not more than 98 mass % and the proportional content of the acid group-containing monomer unit in the water-soluble polymer is not less than 1 mass % and not more than 20 mass %.

Provided is a composition containing a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, with a low pH and a high viscosity. More specifically, provided is a composition containing (A) a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, (B) a polymer obtained by polymerizing at least acrylic acid and/or methacrylic acid in the presence of pentaerythritol allyl ether, wherein the amount of the pentaerythritol allyl ether is 0.1 parts by mass or more per 100 parts by mass of the acrylic acid and/or methacrylic acid, and water, the composition having a pH of 5.2 or lower and a viscosity of 1000 mPa.Math.s or higher.

Provided is a composition containing a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, with a low pH and a high viscosity. More specifically, provided is a composition containing (A) a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, (B) a polymer obtained by polymerizing at least acrylic acid and/or methacrylic acid in the presence of pentaerythritol allyl ether, wherein the amount of the pentaerythritol allyl ether is 0.1 parts by mass or more per 100 parts by mass of the acrylic acid and/or methacrylic acid, and water, the composition having a pH of 5.2 or lower and a viscosity of 1000 mPa.Math.s or higher.

Biomass derived benzoin derivatives, and methods of making and using the same, are described. Benzoin derivatives may be used as visible light photoinitiators.

The present invention provides a carboxyl group-containing polymer and a composition containing the polymer which exhibit excellent anti-soil redeposition ability in fabric washing. The carboxyl group-containing polymer includes specific ratios of a structure unit (a) derived from an ether bond-containing monomer (A), a structure unit (b) derived from a sulfonic acid group-containing monomer (B), and a structure unit (c) derived from an acrylic acid-based monomer (C), and has a specific weight average molecular weight. The carboxyl group-containing polymer composition contains the carboxyl group-containing polymer and a specific amount of a hydrogen sulfite adduct of the acrylic acid-based monomer (C).

The present invention provides a carboxyl group-containing polymer and a composition containing the polymer which exhibit excellent anti-soil redeposition ability in fabric washing. The carboxyl group-containing polymer includes specific ratios of a structure unit (a) derived from an ether bond-containing monomer (A), a structure unit (b) derived from a sulfonic acid group-containing monomer (B), and a structure unit (c) derived from an acrylic acid-based monomer (C), and has a specific weight average molecular weight. The carboxyl group-containing polymer composition contains the carboxyl group-containing polymer and a specific amount of a hydrogen sulfite adduct of the acrylic acid-based monomer (C).

The copolymer includes divalent units represented by formula —[CF.sub.2—CF.sub.2]—, divalent units represented by formula; and one or more divalent units independently represented by formula: The copolymer has an —SO.sub.2X equivalent weight in a range from 300 to 2000. A polymer electrolyte membrane that includes the copolymer and a membrane electrode assembly that includes such a polymer electrolyte membrane are also provided.