Optical fiber

A unit optical fiber having excellent yellowing resistance. The unit optical fiber is constituted by forming on the periphery of a bare optical glass fiber a coating from an ultraviolet-curable resin, and is characterized in that the amount of a photoinitiator remaining unreacted in the coating mate...

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Bibliographic Details
Main Authors UI KEISUKE, SATO TETSUO, SENOO ATSUYOSHI
Format Patent
LanguageChinese
English
Published 04.07.2012
Subjects
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
METALLURGY
MINERAL OR SLAG WOOL
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
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Summary:A unit optical fiber having excellent yellowing resistance. The unit optical fiber is constituted by forming on the periphery of a bare optical glass fiber a coating from an ultraviolet-curable resin, and is characterized in that the amount of a photoinitiator remaining unreacted in the coating material is up to 2.4*10<-3> mole equivalents per g of the coating material. The ultraviolet-curable resin is characterized in that it comprises a urethane acrylate and that the polyisocyanate ingredient for the urethane acrylate is an aromatic polyisocyanate and the aromatic polyisocyanate is tolylenediisocyanate.
Bibliography:Application Number: CN200780000223