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Title:
CYCLOOLEFIN POLYMER COMPOSITION AND ITS MOLDED ITEM
Document Type and Number:
Japanese Patent JP2002275314
Kind Code:
A
Abstract:

To solve the problem with the occurrence of defects, cracks, or corrosion in a cycloolefin polymer composition at high temperature and humidity.

Defects can be decreased by removing a specific element component from a cycloolefin polymer composition or its molded article.


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Inventors:
NISHIJIMA SHIGETOSHI
Application Number:
JP2001077146A
Publication Date:
September 25, 2002
Filing Date:
March 16, 2001
Export Citation:
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Assignee:
MITSUI CHEMICALS INC
International Classes:
G02B1/04; B65D65/02; C08J5/00; C08K3/02; C08L23/00; C08L45/00; C08L51/08; G11B7/2533; (IPC1-7): C08L23/00; B65D65/02; C08J5/00; C08K3/02; C08L45/00; C08L51/08; G02B1/04; G11B7/24
Domestic Patent References:
JPH0445103A1992-02-14
JPH03188110A1991-08-16
JPH03106904A1991-05-07
JP2000212226A2000-08-02
JPH03255106A1991-11-14
JPH06228323A1994-08-16



 
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