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US 12,709,686 B2Granted
Resin composition, optical fiber, and method for producing optical fiber
AssigneeSumitomo Electric Industries, Ltd.
InventorsKatsushi Hamakubo, Noriaki Iwaguchi, Takashi Fujii
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Abstract
A resin composition for primary coating of an optical fiber contains a photopolymerizable compound, a photopolymerization initiator, and a silane coupling agent, wherein the photopolymerizable compound contains a urethane (meth)acrylate and an ultraviolet curable polyrotaxane, and the content of the polyrotaxane is 0.05% by mass or more and 11% by mass or less based on the total amount of the photopolymerizable compound.
Claims9
A resin composition for primary coating of an optical fiber, comprising:
- a photopolymerizable compound;
- a photopolymerization initiator;
- and
- a silane coupling agent,
- wherein the photopolymerizable compound comprises a urethane (meth)acrylate and an ultraviolet curable polyrotaxane, and
- 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.
3 more elements
Dependencies are inferred from the claim text.