JP2884003B

PURPOSE:To obtain an ultraviolet-curable colorant composition for optical fibers having a suitable modulus by using a urethane (meth)acrylate obtained by reacting a bisphenol A or A/alkylene oxide adduct with a diisocyanate and a hydroxylated (meth)acrylate compound. CONSTITUTION:This composition co...

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Bibliographische Detailangaben
Hauptverfasser:	KOBAYASHI AKIO, OOSHIMA SHIGERU, OOTAKA TOORU, IGARASHI KATSUTOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GLASS INKS JOINING GLASS TO GLASS OR OTHER MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain an ultraviolet-curable colorant composition for optical fibers having a suitable modulus by using a urethane (meth)acrylate obtained by reacting a bisphenol A or A/alkylene oxide adduct with a diisocyanate and a hydroxylated (meth)acrylate compound. CONSTITUTION:This composition contains a (meth)acrylate prepared by reacting a bisphenol A or F/alkylene oxide adduct with a diisocyanate and a hydroxylated (meth)acrylate compound. This urethane (meth)acrylate is contained in an amount of usually about 5-80 wt.% in the colorant composition. This composition contains an ultraviolet-curable resin and a coloring pigment, a photopolymerization initiator, etc., in addition to the above urethane (meth) acrylate.