Plastic optical fibers

Details Plastic optical fibers Plastic optical fibers

G - Physics

02

B

18/103, 88/97

G02B 1/00 (2006.01) B29C 47/00 (2006.01)

Patent

CA 1216448

- 33 - PLASTIC OPTICAL FIBERS ABSTRACT OF THE DISCLOSURE An plastic optical fiber comprising a core which comprising a transparent polymer (1); and said cladding comprises a transparent copolymer (2) comprising about 20 to 99% by weight of a comonomer (A) selected from the group consisting of fluoroalkylacrylates, fluoroalkyl- methacrylates or a mixture thereof; 0.05 to 10% by weight of a comonomer (B) comprising at least one vinyl monomer having at least one hydrophilic racidal, wherein said core polymer (1) and said cladding copolymer (2) have refractive indices n1 and n2 , respectively, and which satisfy the relationship: (n1 - n2 ? 0.01); and optionally, 79.95% or less of at least one vinyl monomer (C) which is different from comonomers (A) and (B), thereby attenuating the refractive index of said cladding copolymer. The plastic optical fiber has an excellent light transmitting property, thermal resistance and bonding between the core and cladding constituents thereof.

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