Ultraviolet radiation-curable coatings for optical fibers and op

Details Ultraviolet radiation-curable coatings for optical fibers and op Ultraviolet radiation-curable coatings for optical fibers and op

1995-04-21

1996-07-16

Bell, Janyce

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

427165, 4273897, 4274072, 427508, C03C 2502

Patent

active

055365299

ABSTRACT:
Ultraviolet radiation-curable primary and secondary coating compositions for optical fibers are disclosed. The primary coatings comprise a hydrocarbon polyol-based reactively terminated aliphatic urethane oligomer; a hydrocarbon monomer terminated with at least one end group capable of reacting with the terminus of the oligomer; and an optional photoinitiator. The secondary coatings comprise a polyester and/or polyether-based aliphatic urethane reactively terminated oligomer; a hydrocarbonaceous viscosity-adjusting component capable of reacting with the reactive terminus of (I); and an optional photoinitiator. Also disclosed are optical fibers coated with the secondary coating alone or with the primary and secondary coatings of the invention.

REFERENCES:
patent: 5352712 (1994-10-01), Shustack

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