Invention Grant
- Patent Title: Resin composition, optical fiber secondary coating material, optical fiber and manufacturing method of optical fiber
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Application No.: US17295982Application Date: 2020-06-05
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Publication No.: US11947161B2Publication Date: 2024-04-02
- Inventor: Katsushi Hamakubo , Kazuyuki Sohma , Kazuya Tokuda , Tatsuya Konishi
- Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Applicant Address: JP Osaka
- Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Current Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Current Assignee Address: JP Osaka
- Agency: Faegre Drinker Biddle & Reath LLP
- Priority: JP 19108595 2019.06.11
- International Application: PCT/JP2020/022330 2020.06.05
- International Announcement: WO2020/250826A 2020.12.17
- Date entered country: 2021-05-21
- Main IPC: G02B6/02
- IPC: G02B6/02 ; C03C25/1065 ; C03C25/326 ; C03C25/47 ; C03C25/6226 ; C08F290/06 ; C08K3/36 ; C09D175/14
Abstract:
A resin composition comprises: a base resin containing an oligomer, a monomer, and a photopolymerization initiator; and inorganic oxide particles, wherein the inorganic oxide particles are lump-shaped aggregated particles, and the volume average particle size of the inorganic oxide particles measured by an X-ray small angle scattering method is 5 nm or more and 800 nm or less.
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