Title:
COMPOSITION FOR FORMING COATING LAYER OF OPTICAL FIBER AND CURED LAYER THEREOF, OPTICAL FIBER HAVING CURED LAYER, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/107811
Kind Code:
A1
Abstract:
Provided is a composition for forming a coating layer of an optical fiber, the composition conmprising a compound having a structure represented by the following formula (I):
(I) *-NH-CO-N(R1)-R2-SiR3
n-(OR4)3-n
wherein, R1 is a hydrogen atom, an alkyl group, or an aryl group, R2 is a methylene group optionally substituted with a halogen, a C2-10 alkylene group that may have a heteroatom or an atomic group having a heteroatom between carbon atoms and may optionally be substituted with a halogen, or a phenylene group that may have a substituent, R3 is an alkyl group, and R4 is a C1-6 alkyl group, * being a bond and n indicating an integer of 0 or more and 2 or less.
Inventors:
NAKAJIMA TAKUMI (JP)
SHINOHARA NORIYASU (JP)
SHINOHARA NORIYASU (JP)
Application Number:
PCT/JP2021/042243
Publication Date:
May 27, 2022
Filing Date:
November 17, 2021
Export Citation:
Assignee:
JAPAN FINE COATINGS CO LTD (JP)
International Classes:
C03C25/285; C03C25/104; C03C25/25; C03C25/40; C08F290/06; G02B6/44
Domestic Patent References:
| WO2019221248A1 | 2019-11-21 | |||
| WO1997046495A1 | 1997-12-11 | |||
| WO2019151453A1 | 2019-08-08 |
Foreign References:
| JP2005036192A | 2005-02-10 | |||
| JP2005105003A | 2005-04-21 | |||
| US6586523B1 | 2003-07-01 | |||
| US20070020446A1 | 2007-01-25 |
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
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