US 11,747,551 B2
Plastic optical fiber
Yasuaki Okada, Osaka (JP); Takeshi Saito, Osaka (JP); and Kenjiro Saomoto, Osaka (JP)
Assigned to NITTO DENKO CORPORATION, Osaka (JP)
Appl. No. 17/764,419
Filed by NITTO DENKO CORPORATION, Osaka (JP)
PCT Filed Sep. 30, 2020, PCT No. PCT/JP2020/037214
§ 371(c)(1), (2) Date Mar. 28, 2022,
PCT Pub. No. WO2021/066031, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 2019-179497 (JP), filed on Sep. 30, 2019.
Prior Publication US 2022/0373755 A1, Nov. 24, 2022
Int. Cl. G02B 6/02 (2006.01); G02B 6/44 (2006.01)
CPC G02B 6/02033 (2013.01) [G02B 6/4482 (2013.01); G02B 6/02395 (2013.01)] 1 Claim
OG exemplary drawing
 
1. A plastic optical fiber comprising:
a plastic optical fiber body; and
a coloring member covering a peripheral surface of the plastic optical fiber body,
wherein the coloring member is made from a cured product of a curable composition containing an active-energy-ray-curable multifunctional acrylate and a coloring agent,
wherein a reaction percentage yield of a vinyl group of the active-energy-ray-curable multifunctional acrylate in the coloring member is 85% or more,
wherein the plastic optical fiber body includes a contact layer being in contact with an internal surface of the coloring member, and
wherein a material of the contact layer is a polycarbonate resin and/or a cyclopolyolefin resin.