Patent ID: 11919804
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 8:
9. A method for manufacturing an optical fiber, comprising:
an application step of applying a resin composition comprising a photopolymerizable compound comprising urethane (meth)acrylate and a polyrotaxane, and a photopolymerization initiator, wherein a content of the polyrotaxane is 0.05% by mass or more and 11% by mass or less based on a total amount of the photopolymerizable compound onto an outer periphery of a glass fiber comprising a core and a cladding; and
a curing step of curing the resin composition by irradiation with ultraviolet rays after the application step.