THERMOPLASTIC RESIN COMPOSITION FOR BLOW MOLDING AND BLOW MOLDING COMPRISING THE SAME

Japanese Patent JP3684688

B2

PROBLEM TO BE SOLVED: To obtain the subject composition useful for large-sized hollow resin parts for automobiles and two-wheelers, excellent in balance of impact resistance, blow molding moldability and chemical resistance by combining specific different copolymers in a prescribed ratio.
SOLUTION: This composition comprises (A) 10-50 pts.wt. of a rubbercontaining graft copolymer obtained by polymerizing a monomer mixture composed of a vinyl cyanide-based monomer (M1), an aromatic vinyl-based monomer (M2) and an unsaturated carboxylic acid alkyl ester in the presence of a rubber-like polymer having 0.1-0.5μm weight average particle diameter, (B) 10-80 pts.wt. of a vinyl cyanide based copolymer having 0.2-1.2dl/g reduced viscosity composed of the components M1 and M2, (C) 0.1-10 pts.wt. of a methyl methacrylate based copolymer having ≥300,000 weight-average molecular weight, (D) 0.1-10 pts.wt. of a copolymer composed of ethylene/(meth)acrylic acid ester/ carbon monoxide and (E) 0-50 pts.wt. of a vinyl based copolymer composed of the components M1 and M2 and another vinyl-based monomer and is obtained by regulating the total of the components A to E to 100 pts.wt.

Minoru Yasuda
Hiratahigashi Tosuke
Keiji Nakagawa

JP18215096A

August 17, 2005

July 11, 1996

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TORAY INDUSTRIES,INC.

B29C49/00; C08L25/00; C08L25/12; C08L33/00; C08L55/00; C08L55/02; C08L73/00; B29K25/00; B29K55/02; B29L22/00; B29L31/30; (IPC1-7): C08L25/12; B29C49/00; C08L55/02

JP62158747A
JP8169999A
JP8332631A
JP63230759A
JP8027336A
JP3243646A
JP58179251A
JP9132684A
JP9324087A

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