Sumitomo Chemical Company, Limited

Kaoru Kitadono

Kenji Nagaoka

Hiroomi Abe

Yasuro Suzuki

Takashi Sanada

Hideo Shinonaga

Taichi Nishio

Yasurou Suzuki

Hiroshi Hagimori

Noriyasu Kagawa

Masashi Aoshima

Satoru Sogabe

Yoshihiko Kitagawa

Taisuke Okita

Yoshikazu Fujii

Tadashi Jinno

Motomu Wada

Akira Oishi

Tomizou Kondo

A resin composition having an improved recycling property comprising;

Resin composition having improved recycling property

A blow-molded article made from a polyphenylene ether/polyamide composition reinforced with glass fibers is provided. The article is excellent in mechanical properties and blow moldability. The composition comprises a mixture consisting of (A) 10-65 parts by weight of a polyphenylene ether and (B) 90-35 parts by weight of a polyamide and, on the basis of 100 parts by weight of said mixture, (C) 10-100 parts by weight of a glass fiber, (D) 1-35 parts by weight of a polyolefin and (E) 0.01-10 parts by weight of an unsaturated polar monomer compound having in its molecule both (a) carbon-carbon double bond or carbon-carbon triple bond and (b) carboxyl group, acid anhydride group, amino group, acid amide group, imide group, epoxy group, carboxylic acid ester group, isocyanate group, methylol group or hydroxyl group as a compatibilizing agent, amounts of (C), (D) and (E) being based on 100 parts by weight of [(A)+(B)].

Blow-molded article made from thermoplastic resin composition

The invention describes a thermoplastic composition made of a continuous phase made of crystalline thermoplastic resin A, a dispersed phase made of polyphenylene ether resin B, and an amide compound C represented by formula 1,

Thermoplastic resin composition

A method of crosslinking a rubber or plastic molding is described, which comprises irradiating the molding with electron beams to thereby limitedly crosslink only the surface of the molding. The molding thus-treated has excellent shape-sustaining properties and good surface appearance. Thus it is expected to find many applications in various fields.

Method of crosslinking rubber and plastic moldings

A resin composition having improved resistance to discoloration caused by exposure to light, which comprises (a) 5-95% by weight of a polyphenylene ether alone or in combination with a styrene polymer, (b) 95-5% by weight of a polyamide, and based on 100 parts by weight of the sum of (a) and (b), (c) 0.01-30 parts by weight of one or more agents to improve the compatibility of a polyphenylene ether and a polyamide, (d) 0-50 parts by weight of one or more agents to improve the impact resistance, and (e) 0.1-15 parts by weight of metal particles having 10 .mu.m or less of weight average particle size and 3 or more of aspect ratio, and 60% by weight or more of (e) metal particles being included in (b) a polyamide.

The present invention provides a resin composition which is excellent in adhesion to coatings and which comprises the following components:

A thermoplastic resin composition comprises a polyphenylene ether having a reduced viscosity within the range of 0.30 dl/g or more and less than 0.45 dl/g, an aliphatic polyamide, a specified compatibilizing agent, and a rubber material. The composition has a high in heat distortion temperature and is superior in processability.

A method for surface treating a thermoplastic resin shaped article is disclosed, which comprises irradiating a surface of the shaped article with an ultraviolet light having a wavelength of 300 nm or less, said shaped article being obtained from a resin composition comprising (I) 100 parts by weight of a resin comprising from 5 to 100% by weight of a polyphenylene ether resin, a mixture of a polyphenylene ether resin and a styrene resin; or a graft copolymer of a polyphenylene ether resin and styrene and from 95 to 0% by weight of at least one thermoplastic resin selected from the group consisting of a polyamide resin and a saturated polyester resin; (II) from ) 0 to 50 parts by weight of a rubbery substance; (III) from 0 to 50 parts by weight of an inorganic filler and/or glass fibers; and (IV) from 0 to 10 parts by weight of at least one compatibilizer for improving the compatibility between said polyphenylene ether resin and said polyamide resin and/or saturated polyester resin. A method for coating said shaped article is also disclosed.

Method for surface treating and coating thermoplastic resin shaped

The present invention provides a filler-containing thermoplastic resin composition which is well balanced in dimensinoal stability, rigidity, heat resistance and impact strength. This composition comprises: (I) 100 parts by weight of a resin comprising 5-95% by weight of a polyphenylene ether resin, a mixture of a polyphenylene ether resin and a styrene resin or a graft polymer of a polyphenylene ether resin and styrene and 95-5% by weight of polyamide resin, (II) 0-50 parts by weight of a rubber-like material, (III) 2.0-50 parts by weight of an inorganic filler having an average particle size of 5.0.mu. or less and/or a glass fiber and (IV) 0.01-10 parts by weight of at least one compatibilizing agent which improves compatibility between the polyphenylene resin and the polyamide resin. Talc is preferred as the inorganic filler.

(A) 10-70 parts by weight of a polyphenylene ether, a mixture of a polyphenylene ether and a polystyrene or a polyphenylene ether-styrene graft copolymer, (B) 90-30 parts by weight of a mixture of (i) a thermoplastic aromatic copolyamide and/or an aromatic nuclear-hydrogenated copolyamide in an amount of 0.1-70% by weight of existing total polyamide and (ii) a thermoplastic aliphatic polyamide in a complementary amount of 99.9-30% by weight of existing total polyamide, and (C) 0.01-30 parts by weight, based on 100 parts by weight of the above components (A) and (B) of, at least one compound selected from the group consisting of oxazoline and a compound having, in its molecule, (a) carbon-carbon double bond or a carbon-carbon triple bond and (b) at least one functional group selected from carboxyl group, acid anhydride group, amino group, acid amide group, imido group, epoxy group, carboxylate ester group, isocyanate group, methylol group, oxazolidine group and hydroxyl group. This composition may further contain an impact strength modifier, namely, rubber-like material and/or modified rubber-like material.

A process for applying a light- or radiation-curable resin composition onto a polyolefin molding comprising surface treating a molding of polyolefin composition composed of 99.99 to 0 wt % of a polyolefin and 0.01 to 100 wt % of an olefinic polymeric compound having polar groups represented by the formula, --OCOR, ##STR1## wherein R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, by at least one pretreatment method selected from the group consisting of a treatment with a halogenated hydrocarbon solvent, a low temperature plasma treatment, a corona discharge treatment, a flame treatment and an alkali degreasing treatment, and applying onto the thus treated molding surface a light- or radiation-curable resin composition, is disclosed.

Process for applying light- or radiation-curable resin composition to

A process for producing a crosslinked foam having uniform, fine, open cells, which comprises foaming an expandable composition comprising a crosslinkable polyolefin resin, 20 to 60 % by weight of an amorphous propylene polymer, a foaming agent and a crosslinking agent, by a one-step heat-press method. According to said process, a crosslinked foam having an open cell percentage of 40% or more can be obtained by a one-step treatment.

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Chiba, Japan

Kaoru Kitadono