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Title:
POLYPROPYLENE RESIN COMPOSITION, MOLDED BODY, SHEET AND CONTAINER
Document Type and Number:
WIPO Patent Application WO/2007/108379
Kind Code:
A1
Abstract:
Disclosed is a polypropylene resin composition which enables to obtain a thermoformed container that is good in heat resistance, formability, appearance and shape. Also disclosed is a molded body obtained by bending a polypropylene resin composition which is excellent in heat resistance and shape-maintaining characteristics during a bending process. Specifically disclosed is a polypropylene resin composition composed of 50-99% by mass of a propylene polymer (A) having a melting point (Tm) measured by a differential scanning calorimeter (DSC) of 140-170˚C, and 1-50% by mass of a propylene/α-olefin copolymer (B) having a melting point (Tm) of not more than 100˚C or having no measurable melting point. Also specifically disclosed are a molded body and a sheet respectively obtained from such a polypropylene resin composition, and a container obtained by thermoforming such a sheet.

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Inventors:
INOUE NORIHIDE (JP)
KUROKI TAKAYUKI (JP)
Application Number:
PCT/JP2007/055037
Publication Date:
September 27, 2007
Filing Date:
March 14, 2007
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
INOUE NORIHIDE (JP)
KUROKI TAKAYUKI (JP)
International Classes:
C08L23/10; B65D1/00
Domestic Patent References:
WO1998051732A11998-11-19
Foreign References:
JPH06299015A1994-10-25
JPH08217889A1996-08-27
JPH0733920A1995-02-03
JP2004099906A2004-04-02
JP2006328300A2006-12-07
JP2002348421A2002-12-04
JP2001131303A2001-05-15
JP2001131305A2001-05-15
JPH10212382A1998-08-11
JPH1067896A1998-03-10
Other References:
See also references of EP 1997851A4
Attorney, Agent or Firm:
SUZUKI, Shunichiro (Gotanda Yamazaki Bldg. 6F 13-6, Nishigotanda 7-chom, Shinagawa-ku Tokyo 31, JP)
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