Plastic cladding composition for silica or glass core optical fi

Details Plastic cladding composition for silica or glass core optical fi Plastic cladding composition for silica or glass core optical fi

1990-11-15

1993-08-24

Berman, Susan

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

Synthetic resins

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

522182, 526245, 523300, 385123, G02B 602, C08F 250, C08F 1820, C08F22024

Patent

active

052389740

ABSTRACT:
Disclosed is a cladding composition suitable for a plastic clad silica or glass core optical fiber of a good light transmittance. The cladding composition comprises (A) a fluorinated monofunctional acrylate or .alpha.-fluoroacrylate composition, (B) a polyfunctional acrylate or .alpha.-fluoroacrylate having at least two acryloyl or .alpha.-fluoroacryloyl radicals in the molecule, (C) a photoinitiator, and if desired, (D) a stabilizer selected from thiodicarboxylic acid diesters and hindered phenols. The fluorinated monofunctional acrylate or .alpha.-fluoroacrylate comprises 1-60 weight % of a highly fluorinated acrylate or .alpha.-fluoroacrylate of the formula: ##STR1## wherein Y is H or F, X is H or F, l is 1 to 12 and n is 5 to 12, and 40-99 weight % of a lowly fluorinated acrylate or .alpha.-fluoroacrylate of the formula: ##STR2## wherein X and Y are as defined above, and m is 1 to 3.

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