C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/6530, 204/91
C08F 2/46 (2006.01) C03C 25/10 (2006.01) C08F 265/04 (2006.01) C08F 265/06 (2006.01) C08L 33/16 (2006.01)
Patent
CA 1296458
Abstract of the Disclosure An active energy ray-curable resin composition which gives a cured product having a refractive index of not more than 1.44 comprises (I) a fluorine-containing polymer composed of (A) a fluorine-containing (meth)- acrylate, (B) an alpha,beta-ethylenically unsaturated dicarboxylic acid ester and/or (C) a mono(meth)acrylate and having a fluorine atom content of at least 30% by weight, (II) a fluorine-containing (meth)acrylate, (III) a mono(meth)acrylate and (IV) a polyfunctional monomer containing at least two (meth)acryloyl groups in the molecule. Optical fibers are produced by coating the above composition on a core material and irradiating active energy rays onto the coating to form a cured cladding of the composition.
530569
Hashimoto Yutaka
Kamei Masayuki
Umaba Toshihiko
Dainippon Ink And Chemicals Inc.
Smart & Biggar
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