Title:
RESIN INJECTION MOLDING WITH GOOD APPEARANCE
Document Type and Number:
Japanese Patent JP2000000838
Kind Code:
A
Abstract:
To provide a propylene resin injection molding having a good appearance in which a weld and a flow mark are not evident.
In the resin injection molding having a weld 3 comprising a propylene resin composition containing 50 to 70 wt.% of a propylene resin, 15 to 30 wt.% of a thermoplastic elastomer and 10 to 30 wt.% of an inorganic filler, a melt viscosity (η) at the time of 250C of the resin composition and 2,432 sec-1 of a shearing speed is 32 Pa.sec or less, and a swelling ratio(SR) is 1.3 to 2.0.
Inventors:
AZUMA KENICHI
TOYODA MASAO
KANZAKI SUSUMU
TOYODA MASAO
KANZAKI SUSUMU
Application Number:
JP17125598A
Publication Date:
January 07, 2000
Filing Date:
June 18, 1998
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
B29C45/00; C08K3/00; C08L23/10; C08J5/00; B29K23/00; B29K105/16; B29L31/30; B29L31/34; C08L23/16; C08L53/02; (IPC1-7): B29C45/00; C08K3/00; C08L23/10
Attorney, Agent or Firm:
Takashi Kuboyama (1 person outside)
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