Process and composition for cladding optic fibers

Details Process and composition for cladding optic fibers Process and composition for cladding optic fibers

C - Chemistry, Metallurgy

08

F

C08F 10/00 (2006.01) C03C 17/32 (2006.01) C08F 14/18 (2006.01) C08F 220/22 (2006.01) C08L 57/08 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2068021

C-7675 PHOTOPOLYMERIZABLE COMPOSITION FOR CLADDING OPTICAL FIBERS Abstract of the Disclosure In a process for cladding an optical fiber, a photoinitiator monomer having both a photoinitiating group and an ethylenically unsaturated group is reacted with a fluorosubstituted monomer having an ethylenically unsaturated group, thereby preparing a copolymer having pendant photoinitiating groups. This copolymer is then mixed with a fluorosubstituted diacrylate, thereby forming a photopolymerizable composition, which is coated on to the optical fiber and exposed to ultraviolet light, thereby curing the photopolymerizable composition to produce a cladding on the optical fiber. Preferred claddings can have refractive indices below 1.35.

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