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Patent Searching and Data


Title:
RESIN COMPOSITION, SECONDARY COATING MATERIAL FOR OPTICAL FIBER, AND OPTICAL FIBER
Document Type and Number:
WIPO Patent Application WO/2019/194198
Kind Code:
A1
Abstract:
This resin composition includes: a base resin, which contains a urethane (meth)acrylate oligomer, a monomer having a phenoxy group, and a photopolymerization initiator; and hydrophobic inorganic oxide particles. The viscosity at 45°C is 300-4200 mPa∙s. The contained amount of the monomer having a phenoxy group is 1-30% by mass in terms of the total amount of base resin.

Inventors:
HAMAKUBO KATSUSHI (JP)
HOMMA YUYA (JP)
Application Number:
PCT/JP2019/014681
Publication Date:
October 10, 2019
Filing Date:
April 02, 2019
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C08F290/06; C03C25/1065; C03C25/326; C03C25/47; C03C25/48; G02B6/44
Foreign References:
JPH08109229A1996-04-30
JP2000026562A2000-01-25
JPS632834A1988-01-07
JPH05505202A1993-08-05
JPH09241341A1997-09-16
JP2005301237A2005-10-27
JPH09297225A1997-11-18
JPH11513327A1999-11-16
JP2012219110A2012-11-12
JP2007046047A2007-02-22
JP2018070649A2018-05-10
JP2014219550A2014-11-20
Other References:
See also references of EP 3778682A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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