Optical glass fiber coating composition

C - Chemistry – Metallurgy – 09 – D

Patent

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C09D 175/14 (2006.01) C03C 25/10 (2006.01) C09D 4/06 (2006.01)

Patent

CA 2202253

An optical glass fiber coating composition comprising: (A) a urethane (meth)acrylate polymer, (B) a (meth)acrylate compound represented by formula (1), wherein R1 is a hydrogen or a methyl group, (C) a reaction diluent, and (D) a polymerization initiator. The composition has superior storage stability over a long period of time and, at a cured state, exhibits excellent UV resistance, heat resistance, yellowing resistance, and oil resistance.

Composition d'enrobage pour fibres de verre optique, comportant (A) un polymère (méth)acrylate d'uréthane, (B) un composé de (méth)acrylate répondant à la formule (1), dans laquelle R?1¿ représente hydrogène ou un groupe méthyle, (C) un diluant réactionnel, et (D) un initiateur de polymérisation. Cette composition présente une stabilité en stockage prolongée et, à l'état durci, une excellente résistance aux ultraviolets, à la chaleur, au jaunissement et à l'huile.

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