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Patent Searching and Data


Title:
METHOD FOR PRODUCING POLYPROPYLENE-BASED RESIN COMPOSITION
Document Type and Number:
Japanese Patent JP2002146038
Kind Code:
A
Abstract:

To provide a method for producing a polypropylene-based resin composition consisting of a polypropylene-based resin and a thermoplastic elastomer obtained by copolymerizing propylene with another α-olefin, having less fisheyes and capable of giving a good product appearance on its molding.

This method for producing the polypropylene-based resin composition is provided by melting and kneading a mixture containing 50-95 wt.% polypropylene-based resin and 5-50 wt.% olefin-based thermoplastic elastomer obtained by copolymerizing propylene with another α-olefin (provided that, the total of both as 100 wt.%) in the presence of a super critical fluid.


Inventors:
NAKAYAMA KOICHI
YANO KAZUNORI
Application Number:
JP2000343061A
Publication Date:
May 22, 2002
Filing Date:
November 10, 2000
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP
International Classes:
C08J3/20; B29B7/46; B29B7/86; C08L23/10; (IPC1-7): C08J3/20; B29B7/46; B29B7/86; C08L23/10
Attorney, Agent or Firm:
Hasegawa Moji