Mitsubishi Gas Chemical Company, Inc.

Takeda Chemical Industries, Inc.

Japan Atomic Energy Research Institute

Mitsubishi Engineering-plastics Corporation

Goro Shimaoka

Susumu Taniyama

Kazuhiko Ishii

Junji Oshima

Makoto Mizutani

Shoichi Inoue

Masaru Yoshida

Isao Kaetsu

Yasumasa Norisue

Minoru Yamada

Tatsuo Fujii

Minoru Kumakura

Shinji Tachibana

Kenji Kouno

Shizuo Togo

Michio Nakata

Kunitoshi Mimura

Isamu Mio

Takao Teraoka

Hideo Uno

Masuya Ikegami

Yukio Maeda

Masanobu Urabe

A permanent anti-static polycarbonate resin composition is comprises

Permanent anti-static polycarbonate resin composition

A polyphenylene ether/polyamide resin composition comprising:

Resin composition of polyphenylene ether and polyamide

A multi-layered polymer having (a) a core layer of an aromatic vinyl polymer, (b) an intermediate layer of a butadienic rubbery polymer and (c) an outer layer of an aromatic vinyl glassy polymer, the amount of the components (a), (b) and (c) being 12 to 42 weight %, 48 to 78 weight % and 10 to 40 weight %, respectively, provides a thermoplastic resin composition excellent not only in impact strength, especially in impact strength at low temperatures, but also in, in the case of containing a coloring agent, color-stability including less mottlings, and giving a molded article improved in preventing occurrence of delamination around the gate region.

Multi-layered polymers

There is disclosed a core-shell polymer which comprises:

Core-shell polymer, resin composition and molded articles thereof

A fiber-reinforced resin composition having surface smoothness, which comprises

Fiber-reinforced resin composition having surface smoothness

An aromatic polycarbonate resin composition for molding, comprising (a) an aromatic polycarbonate resin, (a) carbon fibers sized with an aromatic polycarbonate resin, and (c) an organic compound having at least two oxazoline rings per molecule is dislosed. The composition has excellent extrusion workability, mold deposit-preventing property and mechanical strength, and can be used as a molding material in the field of precision machines such as cameras, VTR's and facsimiles.

Aromatic polycarbonate resin composition for molding

A process for producing a coated aromatic polycarbonate formed article having improved surface properties which comprises forming a primer layer containing a specific thermoplastic acrylic copolymer and an ultraviolet light absorbent on an aromatic polycarbonate formed article, and forming a protective topcoat comprising a thermoset organopolysiloxane on said primed polycarbonate article is disclosed. The coated aromatic polycarbonate formed article has excellent surface properties, such as weather resistance.

Process for producing aromatic polycarbonate formed articles having

A primer composition is prepared by dissolving in an organic solvent one or more diacryloyloxy compounds of the formula: ##STR1## (wherein X is a hydrogen or methyl group; Y is a linear or branched-alkylene group having less than 8 carbon atoms or a binding group selected from the group consisting of ##STR2## n is an integer of from 1 to less than 10). Such primer composition is used as an adhesive inner layer to bond a top-coating finish to a plastic substrate.

Primer composition and a method for treating a plastics substrate using

In accordance with this invention, there is provided a primer composition prepared by dissolving in an organic solvent at least one diepoxy compound selected from the group consisting of: (1) polyalkylene glycol diglycidyl ether of the formula; ##STR1## (2) poly(alkylene glycol) diglycidyl ether of the formula; ##STR2## and (3) diepoxide derived from a bisphenol of the formula; (wherein R.sub.1 is a linear or branched alkylene group having less than 8 carbon atoms; R.sub.2 is a linear or branched alkyl group having less than 4 carbon atoms, R.sub.3 is a linear or branched alkylene group having less than 8 carbon atoms, or a binding group selected from the class consisting of ##STR3## l, m and n are each an integer of from 0 to less than 10, the sum of l and m being more than 1). Also in accordance with the invention, there is provided a process for producing a coated product using such primer composition.

Primer composition and a process for producing a coated product using

A method is herein disclosed for curing an organoalkoxysilane compound characterized by using as a catalyst at least one compound selected from the group consisting of a phosphite of the formula:

Method of curing an organoalkoxysilane compound

A method of treating the surface of a shaped article of a polycarbonate resin, which comprises coating the shaped article of the polycarbonate resin with a specific pre-treating solution (I), air-drying the coated article, then coating the article with a specific coating composition (II), and heat-curing the coated article. The pre-treating solution (I) contains a bisphenol type epoxy resin in a mixed solvent of a lower alcohol and an alkyl ether of ethylene glycol, and the coating composition (II) comprises (A) a reaction mixture of an aminoalkylalkoxy silane of the formula (1) with an epoxyalkylalkoxy silane of the formula (2); (B) a mixture of an alkyl-modified methylol melamine of the formula (3) with an alkyd resin; and (C) an acrylic acid derivative of the formula (5) or its polymer of a low degree of polymerization, the formulas (1), (2), (3) and (5) being given in the claim.

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Kanagawa, Japan

Goro Shimaoka