C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/201, 402/406
C09D 175/14 (2006.01) C03C 25/24 (2006.01) C08F 2/48 (2006.01) C08F 2/50 (2006.01) C08F 290/06 (2006.01) G02B 6/44 (2006.01)
Patent
CA 1321671
ABSTRACT OF THE INVENTION Ultraviolet radiation-curable primary and secondary coating compositions for optical fibers are disclosed. The primary coatings comprise a hydrocarbon polyol-based acrylated or methacrylated aliphatic urethane oligomer; an alkyl acrylate or methacrylate monomer; a refractive index modifying monomer or oligomer; a silane adhesion promoter; and a photoinitiator. The secondary coatings comprise a polyester-based aliphatic urethane acrylate or methacrylate oligomer; an acrylated or methacrylated compound; and a photoinitiator. Also disclosed are optical fibers coated with the secondary coating alone or with the primary and secondary coatings of the invention.
612569
Borden Chemical Inc.
Macrae & Co.
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