Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-11-29
1990-10-30
Healy, Brian
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
350 9630, 549455, 526247, G02B 600, C07D31700, C08F 1624
Patent
active
049664352
ABSTRACT:
A plastic core-plastic cladding optical fiber is described wherein the core is composed of a copolymer of a perfluorodioxole represented by the following formula: ##STR1## wherein R and R' independently represent F or CF.sub.3, with at least one other ethylenically unsaturated monomer substantially free of CH bonds and the copolymer has no first order transition temperature as determined by the differential scanning colorimetry (DSC) and has a second order transition temperature not lower than 100.degree. C. as determined by DSC.
REFERENCES:
patent: 4431786 (1984-02-01), Squire
patent: 4535175 (1985-08-01), Squire
Matsumoto Tsuruyoshi
Shimada Katsuhiko
Sugimori Teruhiko
Yamamoto Takashi
Healy Brian
Mitsubishi Rayon Company Ltd.
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