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Patent Searching and Data


Title:
ノルボルネン系共重合体及びその製造方法
Document Type and Number:
Japanese Patent JP5803035
Kind Code:
B2
Abstract:
The invention relates to a norbornene copolymer having excellent properties such as transparency, heat resistance, low water absorption and electric insulating property, which copolymer comprises a monomer unit represented by formula (1) and formula (2) and having a number average molecular weight (Mn) of 300,000 to 2,000,000. (In the formulae, R1 represents an alkyl group having 1 to 10 carbon atoms; and R2, R3 and R4 independently represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms.)

Inventors:
Shojiro Aida
Nobuyuki Hirono
Kazushi Kai
Application Number:
JP2010016549A
Publication Date:
November 04, 2015
Filing Date:
January 28, 2010
Export Citation:
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Assignee:
SHOWA DENKO K.K.
RIKEN
International Classes:
C08F232/08; C08F4/70
Domestic Patent References:
JP200831304A
JP2007131704A
JP2006305816A
Foreign References:
WO2006064814A1
Attorney, Agent or Firm:
Kunihisa Landlord
Atsushi Hayashi