Asahi Glass Company, Limited

Nippon Oil Fats Co., Ltd.

Asia Industry Co., Ltd.

Asahi Glass Coat & Resin Co., Ltd.

Nobuyuki Miyazaki

Takashi Takayanagi

Ken Moriwaki

Masao Unoki

Seiji Munekata

Hiroshi Washita

Hiromichi Higaki

Ryuichi Miura

Hiromitu Takeyasu

Bunji Uchino

Shun-ichi Kodama

Motoi Kamba

Chiaki Sagawa

Kenzou Maeda

Haruki Ito

Masashi Matsuo

Shoichi Kawakami

Toru Okamoto

Hiroyuki Kato

Kazuyoshi Nomura

Method for treating the surface of an outdoor article

An aqueous coating composition comprising a polyisocyanate compound and a fluorine-containing copolymer having hydroxyl groups, wherein the fluorine-containing copolymer having hydroxyl groups is a copolymer comprising 20-80 mol % of polymer units derived from a fluoroolefin and 0.1-25 mol % of polymer units derived from a monomer having a hydrophilic site, said polyisocyante compound and said fluorine-containing copolymer both being dispersed in water.

Composition for an aqueous coating material

Resin composition for coating

A thermosetting powdery coating composition which comprises, in admixture: (A) from 40 to 98 parts by weight of a fluorine-containing copolymer, which is a copolymer of a fluoroolefin and a comonomer having a crosslinkable reactive group, e.g., hydroxy, carboxyl, amino and glycidyl groups, containing at least 10% by weight of fluorine and having an intrinsic viscosity of 0.05-2 dl/g (30.degree. C., tetrahydrofuran), a glass transition temperature of 30.degree.-120.degree. C. and a weight loss by heating which does not exceed 2% and (B) from 60 to 2 parts by weight of a curing agent capable of forming crosslinks by reacting with the crosslinkable reactive groups in (A), except for the composition wherein (A) is a hydroxyl group and a weight loss by heating which does not exceed 2% and (B) is a blocked isocyanate compound. The powdery coating composition is excellent in the dispersibility of pigments and efficiency in the coating works therewith and capable of giving a coating film having improved adhesion to a substrate surface, surface luster, impact resistance and insusceptibility to staining.

Thermosetting powdery coating composition

A fluorine-containing copolymer having fluidity at room temperature and comprising, based on entire polymer units, from 20 to 70 mol % of polymer units (1) derived from a polyfluoroolefin and from 1 to 80 mol % of polymer units (2) having a polyoxyalkylene chain having, at its terminal, a group selected from the group consisting of an active hydrogen-containing group, an epoxy group and a functional group cross-linkable by the action of moisture, the total of the polymer units (1) and the polymer units (2) being from 30 to 100 mol %.

Fluorine-containing copolymer, process for its production and curable

The thermosetting powdery coating composition of the invention comprises (A) from 40 to 98 parts by weight of a fluorinecontaining copolymer, which is a copolymer of a fluoroolefin and a comonomer having a crosslinkable reactive group, e.g., hydroxy, carbonyl, amino and glycidyl groups, containing at least 10% by weight of fluorine and having an intrinsic viscosity of 0.05-2 dl/g (30.degree. C., tetrahydrofuran) and a glass transition temperature of 30.degree.-120.degree. C. and (B) from 60 to 2 parts by weight of a curing agent capable of forming crosslinks by reacting with the crosslinkable reactive groups in (A). The powdery coating composition of the invention is excellent in the dispersibility of pigments and efficiency in the coating works therewith and capable of giving a coating film having improved adhesion to the substrate surface, surface luster, impact resistance and insusceptibility to stain.

A fluorine-containing copolymer having fluidity at room temperature and comprising, based on entire polymer units, from 20 to 70 mol % of polymer units (1) derived from a polyfluoroolefin and from 1 to 80 mol % of polymer units (2) having a polyoxyalkylene chain having, at its terminal, a group selected from the group consisting of an active hydrogen-containing group, and epoxy group and a functional group cross-linkable by the action of moisture, the total of the polymer units (1) and the polymer units (2) being from 30 to 100 mol %.

A curable resin composition comprising a fluoroolefin polymer containing at least 10% by weight of fluorine based on the fluoroolefin unit, being soluble in a solvent and having curable reactive sites, and a curing agent, wherein a polyfluorocarbon chain-containing compound having a functional group reactive with the fluoroolefin polymer and/or the curing agent, is incorporated said composition being useful for the formation of a coating film of excellent water and oil repellency, and stain-proof properties.

Curable resin composition

A coating composition comprising a fluorine-containing copolymer obtained by copolymerizing a fluoroolefin, an N-vinyl-lactam, a monomer having a cross-linkable functional group and other monomers copolymerizable therewith in a proportion of from 30 to 70 mol%, from 5 to 68 mol%, from 2 to 40 mol% and from 0 to 63 mol%, respectively.

Coating composition

A coating composition comprising: (A) a fluorine-containing copolymer having a fluorine content based on fluoroolefin of at least 10% by weight, and (B) a fluorine-containing copolymer of a polyfluorocarbon chain-containing monomer with a hydrophilic group-containing monomer.

A coating composition comprising a fluorine-containing copolymer containing at least 10% by weight of fluorine based on fluoroolefin units, being soluble in a solvent and having curable reactive sites, and a polyfunctional organic silicon compound having at least one isocyanate group directly bonded to a silicon atom.

Coating composition and coated product

A curable resin composition which comprises a synthetic resin and a polymerizable compound as the essential constituents, characterized in that said synthetic resin is a fluorine-containing polymer which has 10% by weight or more of fluorine atoms and is soluble in said polymerizable compound or a mixture of said polymerizable compound and a volatile solvent to be added to said compound depending on necessity, and that said polymerizable compound contains therein unsaturated bonds or epoxy group.

A curable resin composition comprising a cured matrix-forming component and an ultraviolet absorber, characterized in that said ultraviolet absorber comprises a benzophenone derivative represented by the formula: ##STR1## where each of X and X' is a hydrogen atom or a hydroxyl group, provided that at least one of X and X' is a hydroxyl group, each of Y and Y' is a hydrogen, a hydroxyl group, --OROH or --OR', provided that at least one of Y and Y' is --OROH, where R is an alkylene group and R' is a monovalent organic group, and said cured matrix-forming component is reactive with a hydroxyl group.

A paint-finishing composition for a cement base material, which comprises, as dissolved or dispersed in a solvent, 100 parts by weight of a solvent-soluble fluorinated polymer having cure sites and an intrinsic viscosity of from 0.05 to 2.0 dl/g as measured at 30.degree. C. in tetrahydrofuran, from 0.1 to 100 parts by weight of a curing agent and from 5 to 500 parts by weight of a coloring agent.

Growing community of inventors

Yokohama, Japan

Nobuyuki Miyazaki