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Title:
CYCLOOLEFIN RESIN COMPOSITION
Document Type and Number:
Japanese Patent JP2009102509
Kind Code:
A
Abstract:

To provide a cycloolefin resin composition that allows for the control of flexibility of the cycloolefin resin and can be molded in the environment of temperatures in excess of 140C and to provide a cycloolefin resin film, a cycloolefin resin preform and the like using the cycloolefin resin composition.

The cycloolefin resin composition comprises at least two kinds of cycloolefin copolymer resins one of which has a Tg not less than 10C different than that of the others wherein the ratio (E'120/E'50) of a storage modulus at 120C (E'120) to a storage modulus at 50C (E'50) is controlled in the range of 0.15-0.65.


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Inventors:
NAKANE TOSHIO
IKEDA DAISAKU
Application Number:
JP2007275237A
Publication Date:
May 14, 2009
Filing Date:
October 23, 2007
Export Citation:
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Assignee:
POLYPLASTICS CO
International Classes:
C08L45/00; B29C47/78; B29C49/06; B29K45/00; B29L7/00; B29L22/00
Domestic Patent References:
JPH1180492A1999-03-26
JP2002020464A2002-01-23
JP2002249554A2002-09-06
JP2002105261A2002-04-10
JPH10219045A1998-08-18
JPH0978054A1997-03-25
JPH04161407A1992-06-04
JP2003508623A2003-03-04
JP2003321591A2003-11-14
JPH1180492A1999-03-26
JP2002020464A2002-01-23
JP2002249554A2002-09-06
JP2002105261A2002-04-10
JPH10219045A1998-08-18
JPH0978054A1997-03-25
Foreign References:
WO2006030797A12006-03-23
WO2007132641A12007-11-22
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Kazuyoshi