Resin composition for optical fiber coating, colored coating material for optical fiber, optical fiber, and optical fiber ribbon
AssigneeSumitomo Electric Industries, Ltd.
InventorsKatsushi HAMAKUBO, Noriaki IWAGUCHI, Miho IKEGAWA
Life of this patent
Estimating the term…
Abstract
A resin composition for optical fiber coating contains a photopolymerizable compound and a photopolymerization initiator, in which the photopolymerizable compound contains epoxy di(meth)acrylate having a bisphenol skeleton and alkylene oxide-modified tri(meth)acrylate, and a content of the alkylene oxide-modified tri(meth)acrylate is 0.5% by mass or more and less than 40% by mass based on the total amount of the photopolymerizable compound.
Claims8
A resin composition for optical fiber coating, the resin composition comprising a photopolymerizable compound and a photopolymerization initiator,
- wherein the photopolymerizable compound contains epoxy di(meth)acrylate having a bisphenol skeleton and alkylene oxide-modified tri(meth)acrylate, and
- a content of the alkylene oxide-modified tri(meth)acrylate is 0.5% by mass or more and less than 40% by mass based on the total amount of the photopolymerizable compound.
Dependencies are inferred from the claim text.