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Title:
PLASTIC OPTICAL FIBER AND FLUORINE-CONTAINING COPOLYMER USED FOR THE SAME
Document Type and Number:
Japanese Patent JP2005321685
Kind Code:
A
Abstract:

To provide fluorine-containing copolymer for plastic optical fiber that is amorphous, flexible, low in transmission loss, and has a sufficiently high glass transition temperature (Tg).

The fluorine-containing copolymer for plastic optical fiber includes a recurring unit derived from octafluorocyclopentene of ≥30 mol %, and at least one kind of the recurring unit derived from vinyl monomer. Preferably, the fluorine-containing copolymer has the glass transition temperature (Tg) of 75-170°C and the weight average molecular weight of 15,000-200,000.


Inventors:
Tomita, Hidetoshi
Sasaki, Hiroki
Application Number:
JP2004000140893
Publication Date:
November 17, 2005
Filing Date:
May 11, 2004
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G02B6/00; C08F214/18; C08F216/14; C08F232/04; (IPC1-7): G02B6/00; C08F214/18; C08F216/14; C08F232/04
Attorney, Agent or Firm:
特許業務法人特許事務所サイクス