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Title:
RESIN COMPOSITION, OPTICAL FIBER, OPTICAL FIBER MANUFACTURING METHOD, OPTICAL FIBER RIBBON, AND OPTICAL FIBER CABLE
Document Type and Number:
WIPO Patent Application WO/2023/162569
Kind Code:
A1
Abstract:
The resin composition for the primary coating of an optical fiber, according to the present disclosure, comprises a photopolymerizable compound and a photopolymerization initiator, wherein the photopolymerizable compound comprises urethane(meth)acrylate and an ethylene oxide chain-containing (meth)acrylate, and the value obtained by dividing the formula weight of the ethylene oxide chain of the ethylene oxide chain-containing (meth)acrylate by the molecular weight of the ethylene oxide chain-containing (meth)acrylate is 0.50-0.93, inclusive.

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Inventors:
HOMMA YUYA (JP)
Application Number:
PCT/JP2023/002488
Publication Date:
August 31, 2023
Filing Date:
January 26, 2023
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C03C25/1065; C03C25/285; C03C25/6226; C08F290/06; G02B6/44
Domestic Patent References:
WO2021019908A12021-02-04
Foreign References:
JP2004051677A2004-02-19
JPH10316886A1998-12-02
JPH1160657A1999-03-02
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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