Patent ID: 11947161
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 0:
1. A resin composition for coating an optical fiber, the resin composition comprising:
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 a 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,
wherein the inorganic oxide particles are subjected to hydrophobic treatment, and
wherein a content of the inorganic oxide particles is 5% by mass or more and 60% by mass or less based on a total amount of the oligomer, the monomer, and the inorganic oxide particles.