Title:
RESIN COMPOSITION, OPTICAL FIBER, AND METHOD FOR MANUFACTURING OPTICAL FIBER
Document Type and Number:
WIPO Patent Application WO/2022/074913
Kind Code:
A1
Abstract:
This resin composition for primary covering of an optical fiber contains: a photopolymerizable compound containing urethane (meth)acrylamide; and a photopolymerization initiator, wherein the urethane (meth)acrylamide has a (meth)acrylamide group at at least one terminal of a urethane bond.
Inventors:
HOMMA YUYA (JP)
Application Number:
PCT/JP2021/028643
Publication Date:
April 14, 2022
Filing Date:
August 02, 2021
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C08F290/06; C03C25/285; C03C25/326; C03C25/6226; C08G18/28; C08G18/67; G02B6/44
Foreign References:
| JPS63239139A | 1988-10-05 | |||
| JP2016522428A | 2016-07-28 | |||
| JP2009203360A | 2009-09-10 | |||
| JP2009237284A | 2009-10-15 | |||
| JP2020168494A | 2020-10-15 | |||
| JP2020168496A | 2020-10-15 |
Other References:
See also references of EP 4227333A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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