Mitsubishi Petrochemical Company Limited

Toyota Jidosha Kabushiki Kaisha

Yusuke Arashiro

Michiharu Kihira

Haruo Ohmura

Shinichi Yamauchi

Mitsutoshi Aritomi

Toru Tsukahara

Hiromi Nishimura

Fumiyoshi Yamada

Hiroshi Nakano

Koji Nishida

Takayuki Inoue

Shin-ichi Yamauchi

Kenyu Ohno

Takeyoshi Nishio

Hironari Sano

Masuzo Yokoyama

Kiyoji Takagi

Junji Mayumi

Keiko Matsuhisa

Fumiyo Ikehata

Shinako Mori

Michiharu Kihara

Yoshio Katoh

Hiroshi Ohmori

Disclosed is a thermoplastic resin composition comprising

Thermoplastic resin composition and process for preparing modified

Disclosed are a thermoplastic resin composition which comprises

Thermoplastic resin composition and process for preparing the same

A thermoplastic resin composition comprising (A) from about 10 to about 90% by weight of a hydroxyalkylated polyphenylene ether represented by formula (I): ##STR1## wherein A represents a residue of a polyphenylene ether from which a hydroxyl group is removed; and n represents an integer of from 1 to 10, and (B) from about 10 to about 90% by weight of a resin selected from a carboxyl-containing olefin resin, an epoxy-containing olefin resin, a hydroxyl-containing olefin resin, a polyamide resin, and a saturated polyester resin, provided that when (B) is the olefin resin, the hydroxyalkylated polyphenylene ether also can be represented by formula (II): ##STR2## wherein A is defined as above; X represents an oxygen atom or a nitrogen atom; R.sup.1 represents an alkylene group having from 1 to 12 carbon atoms; R.sup.2 and R.sup.3 each represents a hydrocarbon group having from 1 to 6 carbon atoms; s represents 1 when X is an oxygen atom, or 2 when X is a nitrogen atom; and t represents an integer of from 1 to 3.

Thermoplastic polyphenylene ether resin composition

A hydroxy-substituted poly(phenylene ether) resin can be produced by copolymerizing from 1.5 to 8 mol % of a phenol compound selected from those represented by the following formulae (a), (b), (c), (d), and (e): ##STR1## and from 98.5 to 92 mol % of a phenol compound of the following formula (f): ##STR2## The hydroxy-substituted poly(phenylene ether) resin shows excellent compatibility with a polyamide, a polycarbonate, a poly(butylene terephthalate), a poly(phenylene sulfide), and is useful as a copatibilizer or a modified resin for engineering plastics.

Process for producing a hydroxy-substituted poly(phenylene ether) resin

A thermoplastic resin composition comprising (A) from about 10 to about 90% by weight of a hydroxyalkylated polyphenylene ether represented by formula (I): ##STR1## wherein A represents a residue of a polyphenylene ether from which a hydroxyl group is removed; and n represents an integer of from 1 to 10,

A thermoplastic resin composition comprising (a) from 10 to 90% by weight of polyphenylene sulfide and (b) from 10 to 90% by weight of hydroxyalkylated polyphenylene ether which exhibits improved compatibility between components (a) and (b) and provides molded articles having characteristics inherent to polyphenylene sulfide and polyphenylene ether, i.e., excellent mechanical strength, excellent rigidity, and good appearance.

Thermoplastic resin composition

Disclosed is a process for preparing a polyhydroxyphenylene ether resin which comprises copolymerizing a phenol-substituted compound having hydroxyl group as a substituent, represented by the formula (I): ##STR1## wherein m and n each represents an integer satisfying the formulae 1.ltoreq.m and m+n.ltoreq.4; J represents {(HO).sub.a --R.sup.1 --S}.sub.b --R.sup.2 -- where a and b each represents an integer of 1 to 6; and R.sup.1 and R.sup.2 each represents unsubstituted or halogen-substituted alkylene, alkenylene or arylene, or alkylene; K represents halogen, primary or secondary alkyl, alkenyl, phenyl, aminoalkyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy; with at least one phenol-substituted compound represented by the formula (II): ##STR2## wherein Qs each represents hydrogen, halogen, primary or secondary alkyl, alkenyl, aromatic, aminoalkyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy, and a resin composition containing the polyhydroxyphenylene ether resin prepared by the above method.

Polyhydroxyphenylene ether resin and process for preparing the same

A process for producing a terminal-modified polyphenylene ether represented by formula (III): ##STR1## wherein Q.sup.1 represents a halogen atom, a primary of secondary alkyl group, a phenyl group, an aminoalkyl group, a hydrocarbon oxy group, or a halo-hydrocarbon oxy group; Q.sup.2 represents a hydrogen atom, a halogen atom, a primary or secondary alkyl group, a phenyl group, a haloalkyl group, a hydrocarbon oxy group, or a halo-hydrocarbon oxy group; n represents an integer of at least 10; X represents an oxygen atom or a nitrogen atom;

Process for producing silane-modified polyphenylene ether and

Thermoplastic resin composition comprising the following components A and B is presented which improves the compatibility of component resins, to achieve a thermoplastic resin having excellent molding property and mechanical strength:

There is disclosed a resin composition comprising:

Resin composition

Disclosed is a polymer alloy consisting essentially of a composition of a polyphenylene ether, a crystalline propylene resin, and an alkenyl aromatic monomer modified propylene-dialkenylbenzene compound copolymer. The composition excels in heat resistance and resistance to oils.

A resin composition is described, comprising (a) a polyphenylene ether resin having a low degree of polymerization or a mixture thereof with a styrene resin, (b) a polyolefin resin, and (c) a styrene compound/conjugated diene block copolymer or a hydrogenation product thereof at a specific compounding ratio. The composition is excellent in melt processability, stiffness at elevated temperatures, and impact strength.

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Mie, Japan

Yusuke Arashiro