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Title:
MOLDED COMPOSITE MATERIAL AND PROCESS FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2007/072949
Kind Code:
A1
Abstract:
Disclosed is a molded composite material comprising a first molded part (11) and a second molded part (12) jointed onto the surface and/or a cross-sectional surface of the first molded part (11). The first molded part (11) comprises (A) an ethylene-α-olefin copolymer rubber having an intrinsic viscosity [η] of 3.5 to 6.8 dl/g as measured at 135ºC in a decalin solvent, (B) a polyolefin resin and (C) a mineral oil-type softening agent in a predetermined proportion, is produced by dynamically heat-treating a mixture of at least (A) the ethylene-α-olefin copolymer rubber and (B) the polyolefin resin in the presence of a cross-linking agent to yield an olefin thermoplastic elastomer composition and subjecting the olefin thermoplastic elastomer composition to an extrusion foaming molding, and has an expansion ratio of 1.2 times or more. The second molded part (12) is produced by subjecting an olefin thermoplastic elastomer composition and/or another thermoplastic elastomer composition to injection molding.

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Inventors:
KANAE KENTAROU (JP)
NAKANISHI HIDEO (JP)
TANAKA MINORU (JP)
Application Number:
PCT/JP2006/325654
Publication Date:
June 28, 2007
Filing Date:
December 22, 2006
Export Citation:
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Assignee:
JSR CORP (JP)
KANAE KENTAROU (JP)
NAKANISHI HIDEO (JP)
TANAKA MINORU (JP)
International Classes:
C08L23/16; B29C39/10; B29C65/70; B60R5/04; B60R13/06
Foreign References:
JP2000234038A2000-08-29
JPH1170544A1999-03-16
JPH0872631A1996-03-19
JPS59222325A1984-12-14
JP2003003023A2003-01-08
JPH11310673A1999-11-09
JPH01249847A1989-10-05
JPH10195227A1998-07-28
JPH10175440A1998-06-30
JP2000072935A2000-03-07
JP2002322328A2002-11-08
Other References:
See also references of EP 1964886A4
Attorney, Agent or Firm:
WATANABE, Kazuhira (No.8 Kikuboshi Tower Building 20-18, Asakusabashi 3-chom, Taito-ku Tokyo 53, JP)
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