Title:
COMPOSITE PELLET FOR EXTRUSION MOLDING AND METHOD FOR PRETREATING COMPOSITE PELLET FOR EXTRUSION MOLDING
Document Type and Number:
WIPO Patent Application WO/2011/161838
Kind Code:
A1
Abstract:
Disclosed is a composite pellet for extrusion molding mainly made from a thermoplastic resin and wood powder. Regardless of the variation in particle diameter, etc., a stable number of pellets can be supplied to an extruder, and introduction of the pellets to a screw of the extruder can be smoothly performed. A composite pellet for extrusion molding mainly made from a thermoplastic resin and wood powder is stirred, etc., with 12-hydroxystearic acid metal salt containing a metal of calcium (Ca), magnesium (Mg), or zinc (Zn), so that 0.03 to 0.4 mass%, preferably, 0.05 to 0.3 mass% of the 12-hydroxystearic acid metal salt is attached to the outer periphery of 100 mass% of the composite pellet. The pellets treated as above are used for extrusion molding by an extrusion molding device.
Inventors:
KIKUCHI TAKEYASU (JP)
MORITA KAZUMASA (JP)
HIGASHI KOJI (JP)
NAKAMURA YUICHIRO (JP)
MORITA KAZUMASA (JP)
HIGASHI KOJI (JP)
NAKAMURA YUICHIRO (JP)
Application Number:
PCT/JP2010/065310
Publication Date:
December 29, 2011
Filing Date:
September 07, 2010
Export Citation:
Assignee:
WPC CORP (JP)
KIKUCHI TAKEYASU (JP)
MORITA KAZUMASA (JP)
HIGASHI KOJI (JP)
NAKAMURA YUICHIRO (JP)
KIKUCHI TAKEYASU (JP)
MORITA KAZUMASA (JP)
HIGASHI KOJI (JP)
NAKAMURA YUICHIRO (JP)
International Classes:
B29B9/16; B29B9/12; B29B15/00; B29C48/525
Foreign References:
| JPH10330500A | 1998-12-15 | |||
| JPH07266313A | 1995-10-17 | |||
| JPH10166355A | 1998-06-23 | |||
| JP2001062901A | 2001-03-13 | |||
| JPH07247318A | 1995-09-26 | |||
| JP2008233291A | 2008-10-02 | |||
| JPH04136051A | 1992-05-11 | |||
| JPH11323047A | 1999-11-26 | |||
| JP2002161176A | 2002-06-04 |
Attorney, Agent or Firm:
OGURA, MASAAKI (JP)
Masaaki Ogura (JP)
Masaaki Ogura (JP)
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Claims: