Title:
METHOD FOR INJECTION-MOLDING CYCLIC OLEFIN
Document Type and Number:
Japanese Patent JP2003025365
Kind Code:
A
Abstract:
To provide a method for injection-molding a molded article reduced in wall thickness and good in the transfer properties of the surface of a mold by allowing a cyclic olefin resin having high heat resistance to flow well.
Carbon dioxide is dissolved in the cyclic olefin resin high in the content of a cyclic olefin of a random copolymer comprising a 2-4C α-olefin and the cyclic olefin represented by a specific general formula before injecting the cyclic olefin resin in the mold to mold the same.
Inventors:
NARUSE HIDEKI
UENO TETSUO
UENO TETSUO
Application Number:
JP2001216249A
Publication Date:
January 29, 2003
Filing Date:
July 17, 2001
Export Citation:
Assignee:
ASAHI KASEI CORP
International Classes:
B29C45/26; B29C45/00; B29C45/57; C08F210/00; C08F232/00; B29K23/00; B29K105/04; B29K105/16; (IPC1-7): B29C45/00; B29C45/26; B29C45/57; C08F210/00; C08F232/00
Attorney, Agent or Firm:
Keisuke Watanabe (1 person outside)