Title:
INJECTION-MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP3822347
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an injection-molded article low in head impact coefficient(HIC), not generating a crack at the time of impact, further, high in thermal deformation resistance and excellent in appearance (surface properties).
SOLUTION: An injection-molded article comprises a thermoplastic resin compsn. consisting of (1) an acrylic ester copolymer 5-65 pts.wt., (II) a maleimide copolymer 15-80 pts.wt., (III) a graft copolymer 5-75 pts.wt. and (IV) other thermoplastic resin 0-50 pts. wt. [the sum total of (I), (II), (III) and (IV) is 100 pts.wt.] and the phase structure observed by a transmission microscope in the cross section parallel to a resin flow direction at a depth of 5 μm from the surface of the molded article has stripe parts (A) with an average width of 0.0005-10 μm, an island parts (B) with an average particle size of 0.005-2 μm and sea like parts (C) other than the stripe parts (A) and the island parts (B).
Inventors:
Ikuhiro Mishima
Kazuhito Wada
Kazuhito Wada
Application Number:
JP36928697A
Publication Date:
September 20, 2006
Filing Date:
December 27, 1997
Export Citation:
Assignee:
Techno Polymer Co., Ltd.
International Classes:
B29C45/00; C08L33/08; C08L35/00; C08L51/00; (IPC1-7): B29C45/00; C08L33/08; C08L35/00; C08L51/00
Domestic Patent References:
| JP8085143A | ||||
| JP8208766A | ||||
| JP9216991A | ||||
| JP8027336A | ||||
| JP8134316A | ||||
| JP9202848A | ||||
| JP9301089A | ||||
| JP11147992A |
Other References:
高分子学会 編,「ポリマーアロイ 基礎と応用」,東京化学同人,1993年 4月16日,第2版,p.250~252
Attorney, Agent or Firm:
Kenji Itami
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