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Title:
THERMOPLASTIC RESIN COMPOSITION FOR FOAMING AND FOAM- MOLDED PRODUCT
Document Type and Number:
Japanese Patent JP3789254
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a thermoplastic resin composition for foaming, capable of allowing the expansion ratio to be readily increased, and capable of providing a foam-molded product excellent in surface nature and flexibility of the molded product. SOLUTION: This thermoplastic resin composition for foaming is obtained by adding (B) 0.1-15 pts.wt. chemical foaming agent and (C) 0.1-20 pts.wt. high molecular weight resin composition to (A) 100 pts.wt. flexible resin composition comprising (a) a (meth)acrylic ester-based copolymer having ≤20°C glass transition temperature and ≤40 wt.% gel content, (b) a copolymer having ≥50°C glass transition temperature and (c) 0-70 pts.wt. graft copolymer, and having 30-100 hardness measured by the method of JIS K6301 at 20°C. The foam-molded product is obtained therefrom.

Inventors:
Kazuhito Wada
Ikuhiro Mishima
Hiroshi Ishii
Application Number:
JP11641599A
Publication Date:
June 21, 2006
Filing Date:
April 23, 1999
Export Citation:
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Assignee:
Kaneka Corporation
International Classes:
C08J9/06; C08L33/06; C08L51/04; C08L55/02; (IPC1-7): C08J9/06; C08L33/06; C08L51/04; C08L55/02
Domestic Patent References:
JP2184418A
JP2000302937A
JP2000186181A
JP2000169656A
JP11335507A
JP58179257A
JP63017954A
JP8027336A