Sumitomo Chemical Company, Limited

Sumitomo Dow Limited

Sumika A&l Inc.

Kenzo Chikanari

Tadayuki Ohmae

Noboru Yamaguchi

Yoshiki Toyoshima

Kentaro Mashita

Hisao Tanaka

Satoru Koyama

Kiyoshi Ogura

Yasuro Suzuki

Yuki Iseki

Satoru Hosoda

Sumio Hara

Daigo Nakanishi

The object is to provide a method for producing a film excellent in a quality of odorless or free from deteriorating taste of food contained in a package of the extruded molded article by using an ethylene-&#x3b1;-olefin copolymer excellent in extrusion molding processability. This object is achieved by a method for producing an extruded molded article comprising a step of extruding a copolymer of ethylene and &#x3b1;-olefin of from 3 to 20 carbon atoms having an activation energy for melt flow of not less than 50 kJ/mol under one of the following conditions:

Method for producing an extruded molded article of ethylene polymer and the film

Resin composition and film thereof

A saturated polyester resin composition excellent in impact resistance is prepared by melt kneading (A) 30-58 parts by weight of a saturated polyester resin, (B) 42-70 parts by weight of an epoxy group-containing ethylene copolymer comprising (a) 50-99% by weight of ethylene unit, (b) 0.1-30% by weight of unsaturated carboxylic acid glycidyl ester unit or unsaturated glycidyl ether unit, and (c) 0-49% by weight of ethylenically unsaturated ester compound unit, (C) 0.01-20 parts by weight of a polyfunctional compound containing at least two specific functional groups of amino groups, carboxyl groups, carboxylic acid anhydride groups, hydroxyl groups or ##STR1## unit (wherein X and Y are both oxygen atoms or sulfur atoms or one of them is an oxygen atom and another is a sulfur atom) and (D) 0-30 parts by weight of a block copolyether ester elastomer, the amounts of (C) and (D) being based on 100 parts by weight of (A) plus (B), thereby to obtain a former-stage composition (I) and furthermore melt kneading the resulting composition (I) with (E) 50-1000 parts by weight of a saturated polyester resin and (F) 0-30 parts by weight of a block copolyether ester elastomer at a later-stage.

Method for producing impact-resistant polyester resin compositions

A polyolefin resin composition of the present invention comprising 0.01 to 2.0 parts by weight of an anti-blocking agent per 100 parts by weight of a polyolefin resin, wherein said anti-blocking agent has substantially two or more maximum values in a weight-based particle size distribution and a difference between a particle diameter giving the largest maximum value and a particle diameter giving the smallest maximum value is not less than 3.0 .mu.m.

Polyolefin resin composition containing anti-blocking agent

Disclosed is a thermoplastic resin composition comprising (A) an amorphous resin and further comprising, per 100 parts by weight of the amorphous resin,

Thermoplastic resin composition including an amorphous resin, an epoxy

Disclosed is a thermoplastic resin composition comprising (A) an amorphous resin and further comprising, per 100 parts by weight of the amorphous resin, 0.01 to 20 parts by weight of (B) an epoxy group containing ethylene copolymer, and 0.01 to 20 parts by weight of at least one member selected from the group consisting of (C) a polyfunctional compound and (D) a carboxylic acid metal salt, wherein the polyfunctional compound contains, per molecule, at least two identical or different functional groups selected from the group consisting of carboxyl group, amino group, carboxylic acid anhydride group and a unit represented by the formula (1) ##STR1## wherein X and Y are identical and each represents oxygen atom or sulfur atom, or one of X and Y is an oxygen atom and the other is a sulfur atom, or wherein the polyfunctional compound contains, per molecule, at least one unit represented by the formula (2) ##STR2## wherein Z represents oxygen atom or sulfur atom.

Delustered amorphous thermoplastic resin composition

A thermoplastic elastomer composition which is useful for bumper, boot, sound absorbing gear, sports shoes etc. is provided by mixing the following (A)-(D).

Thermoplastic elastomer composition

A process for producing a reinforced crystalline engineering plastic composition is disclosed, comprising melt-kneading (A) from 60 to 97 parts by weight of a crystalline engineering plastic and (B) from 5 to 100 parts by weight, per 100 parts by weight of the sum of (A) and (C), of glass fibers and melt-kneading the resulting mixture with (C) from 3 to 40 parts by weight of an epoxy- or acid anhydride-containing ethylene copolymer. The composition obtained provides, with excellent moldability, a molded article having an improved appearance while exhibiting well-balanced mechanical and thermal properties.

Process for producing reinforced crystalline engineering plastic

There is disclosed a process for the production of polymeric polyols, which comprises the steps of:

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Ichihara, Japan

Kenzo Chikanari