Title:
RESIN COMPOSITION FOR OPTICAL FIBER COATING, COLORED COATING MATERIAL FOR OPTICAL FIBER, OPTICAL FIBER, AND OPTICAL FIBER RIBBON
Document Type and Number:
WIPO Patent Application WO/2023/195296
Kind Code:
A1
Abstract:
A resin composition for an optical fiber coating and containing a photopolymerizable compound and a photopolymerization initiator, wherein the photopolymerizable compound includes an alkylene oxide-modified tri(meth)acrylate and an epoxy di(meth)acrylate having a bisphenol skeleton, and the content of the alkylene oxide-modified tri(meth)acrylate is at least 0.5 mass% but less than 40 mass% based on the total amount of the photopolymerizable compound.
Inventors:
HAMAKUBO KATSUSHI (JP)
IWAGUCHI NORIAKI (JP)
IKEGAWA MIHO (JP)
IWAGUCHI NORIAKI (JP)
IKEGAWA MIHO (JP)
Application Number:
PCT/JP2023/008668
Publication Date:
October 12, 2023
Filing Date:
March 07, 2023
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C03C25/285; C03C25/475; C03C25/48; G02B6/44
Domestic Patent References:
| WO2020171943A1 | 2020-08-27 |
Foreign References:
| JP2003279811A | 2003-10-02 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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