Asahi Glass Company, Limited

Nippon Oil Fats Co., Ltd.

Nmb Semiconductor Company, Ltd.

Masao Unoki

Nobuyuki Miyazaki

Masaru Nakamura

Seiji Munekata

Kiyoshi Matsumoto

Akira Takada

Gen Kojima

Sho Masuda

Masaru Yamauchi

Shunsuke Yokotsuka

Motoi Kamba

Chiaki Sagawa

Toru Kawasaki

Kenzou Maeda

Haruki Ito

Tsutomu Koyama

Masashi Matsuo

Shigeyoshi Kobayashi

Akihiko Asakawa

Toshio Iwamoto

Masaru Yamaguchi

Shinzou Nomura

Hiroshi Katsushima

Nobuko Matsunaga

A composition which can improve impact resistance of a coating film while maintaining superior weather resistance and gloss of the coating film of a fluororesin powder coating material is provided. A fluororesin powder coating composition containing the following particles (C) in an amount of from 0.1 to 10 parts by mass per 100 parts by mass of a fluororesin. The particles (C) are particles having a core/shell structure and having an average particle size of from 0.01 to 2.5 &#x3bc;m, wherein the core and/or at least one shell comprises a fluorinated polymer.

Fluororesin powder coating composition and article having coating film

A composition for fluororesin powder coating material, with which a coating film having an excellent matte effect is obtainable without impairing features of fluororesins including excellent weather resistance, and a process for its production, are presented. The composition for fluororesin powder coating material comprises at least two curing systems each comprising a fluororesin having crosslinkable sites and a curing agent reactive to the crosslinkable sites, wherein the respective curing systems substantially independently react and crosslink, and the crosslinking reaction time of one curing system is different by at least 20 seconds from the crosslinking reaction time of other curing system(s).

Composition for fluororesin powder coating material

Process for forming a glass sheet

A fluoropolymer composition for coating, which comprises a polymer having a fluorine-containing cycloaliphatic structure and at least one coupling group in its molecule and a solvent for dissolving said polymer.

Fluoropolymer composition for coating and article coated with the same

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 stainproof protector for preventing a mask for lithography from staining, which has a protective film made of a polymer having a fluorine-containing aliphatic cyclic structure.

Stainproof protector made from fluorine-containing aliphatic cyclic

A process for producing a semiconductor having a thin film of a fluorine resin as a protective film, which comprises coating on the surface of a fluorine resin a photoresist solution containing a surfactant, followed by exposure, development and etching for fine processing of the fluorine resin.

Process for producing a semiconductor

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 semiconductor integrated circuit device having a protective film made of a polymer having a fluorine-containing aliphatic cyclic structure.

Having a protective film of a polymer having a fluorine-containing

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 plastic-clad light-transmitting fiber consisting essentially of a core of quartz glass or optical glass and a clad of plastic material, characterized in that said clad of plastic material is a cured body of a solvent-soluble fluoroolefin polymer having curable sites.

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Yokohama, Japan

Masao Unoki