Optical glass fiber coated with cationically curable polyepoxide

Details Optical glass fiber coated with cationically curable polyepoxide Optical glass fiber coated with cationically curable polyepoxide

1983-04-29

1986-04-29

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

525476, 427 541, 522100, 522111, C08F 800, C08L 6300

Patent

active

045855340

ABSTRACT:
Freshly drawn optical glass fiber is protected by coating it with an ultraviolet-initiated, cationically curable liquid coating composition comprising a cationically curable polyepoxide, a polysiloxane carrying a plurality of hydroxyalkyl groups, and a photoinitiator and/or photosensitizer for an ultraviolet-activated cationic cure. The coatings are of low modulus and retain a low modulus at temperatures as low as -60.degree. C.

REFERENCES:
patent: 3577263 (1971-04-01), Nordstrom
patent: 3632440 (1972-01-01), Proston
patent: 4208471 (1980-06-01), Bresak
patent: 4276135 (1981-06-01), Sato
patent: 4385158 (1983-05-01), Mikami et al.
Photopolymerization of Surface Coatings pp. 75-79; Roffey.
Handbook of Epoxy Resins pp. 5-4 to 513; Lee and Neville.

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