Title:
RESIN COMPOSITION FOR OPTICAL FIBER COATING, COLORED COATING MATERIAL FOR OPTICAL FIBER, AND OPTICAL FIBER
Document Type and Number:
WIPO Patent Application WO/2023/074295
Kind Code:
A1
Abstract:
This resin composition for an optical fiber coating contains a photopolymerizable compound and a photoinitiator, the photopolymerizable compound including an epoxy di(meth)acrylate having a bisphenol skeleton and an alkylene oxide-modified di(meth)acrylate having a bisphenol skeleton, and the mass ratio of the content of the alkylene oxide-modified di(meth)acrylate to the content of the epoxy di(meth)acrylate being 0.3-8.0.
Inventors:
HAMAKUBO KATSUSHI (JP)
IWAGUCHI NORIAKI (JP)
IKEGAWA MIHO (JP)
IWAGUCHI NORIAKI (JP)
IKEGAWA MIHO (JP)
Application Number:
PCT/JP2022/037342
Publication Date:
May 04, 2023
Filing Date:
October 05, 2022
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C03C25/1065; C03C25/285; C03C25/42; G02B6/44
Domestic Patent References:
| WO2021145103A1 | 2021-07-22 | |||
| WO2021145102A1 | 2021-07-22 | |||
| WO2021145104A1 | 2021-07-22 | |||
| WO2019064659A1 | 2019-04-04 | |||
| WO2016047002A1 | 2016-03-31 |
Foreign References:
| JP2015182912A | 2015-10-22 | |||
| JP2017095531A | 2017-06-01 | |||
| JP2012021055A | 2012-02-02 | |||
| JP2021174345A | 2021-11-01 | |||
| JPH06242355A | 1994-09-02 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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