G - Physics – 02 – B
Patent
G - Physics
02
B
402/414
G02B 1/04 (2006.01) C03C 25/10 (2006.01)
Patent
CA 1317064
PLASTIC CLADDING COMPOSITION FOR SILICA OR GLASS CORE OPTICAL FIBER, AND SILICA OR GLASS CORE OPTICAL FIBER PREPARED THEREFROM ABSTRACT OF THE DISCLOSURE 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.-fluoro- acrylate comprises 1 - 60 weight % of a highly fluori- nated acrylate or .alpha.-fluoroacrylate of the formula: CH2=?-COO(CH2)?(CF2)nX (I) wherein Y is H or F, X is H or F, ? 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: CH2=?-COOCH2(CF2)mX (II) wherein X and Y are as defined above, and m is 1 to 3.
543687
Matsumoto Tsuruyoshi
Murata Ryuji
Shimada Katsuhiko
Yamamoto Takashi
Mcfadden Fincham
Mitsubishi Rayon Company Ltd.
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