JPH0566561B

PURPOSE:To improve the heat and solvent resistances by combining a core with a clad having a lower refractive index than the core and by using a water cross- linked product of a copolymer consisting essentially of a methacrylate-base monomer and an unsatd. silane compound as the material of the core...

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Bibliographic Details
Main Authors SHIMAZAKI YUKIO, WAKATSUKI SADAO, SATO MASAKATSU
Format Patent
LanguageEnglish
Published 22.09.1993
Edition5
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:PURPOSE:To improve the heat and solvent resistances by combining a core with a clad having a lower refractive index than the core and by using a water cross- linked product of a copolymer consisting essentially of a methacrylate-base monomer and an unsatd. silane compound as the material of the core. CONSTITUTION:The core is combined with a clad having a lower refractive index than the core. The core is made of a water cross-linked product of a copolymer consisting essentially of one or more kinds of methacrylate-base monomers and an unsatd. silane compound. The copolymer contains about 0.2- 20wt% units of the unsatd. silane compound. The copolymer is formed into the prescribed shape of the core as an optical transmission body, and it is cross- linked by condensing the silane groups. A plastic optical transmission body having high heat and solvent resistances can be obtd.
Bibliography:Application Number: JP19840156364