CYCLOOLEFIN COPOLYMER AND FILM

Title:

CYCLOOLEFIN COPOLYMER AND FILM

Document Type and Number:

Japanese Patent JP2009046614

Kind Code:

A

Abstract:

To provide a cycloolefin copolymer that effectively exhibits reverse wavelength dispersion of birefringence, and a film composed of the copolymer.

The cycloolefin copolymer is obtained by addition polymerization of at least one non-cycloolefin monomer (A) selected from among ethylene and 3-20C -olefin compounds and a specific cycloolefin monomer (B), for example, exo-1-naphthylnorbornene. The film is composed of the copolymer.

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Inventors:

WATANABE TADASUKE

Application Number:

JP2007215194A

Publication Date:

March 05, 2009

Filing Date:

August 21, 2007

Export Citation:

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Assignee:

FUJIFILM CORP

International Classes:

C08F210/00; C08F232/00; C08J5/18; G02B5/30; G02F1/13363

Attorney, Agent or Firm:

Takeshi Takamatsu
Kiyozumi Yazawa

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