JP2934782B

PURPOSE:To form a colorant composition for optical fibers which can be cured with ultraviolet rays, excels in adhesion to a secondary coating of optical fiber and has good releasability from a tape material by using a specified amount of a specified silicon di(meth)acrylate. CONSTITUTION:This compos...

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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 METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS 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 form a colorant composition for optical fibers which can be cured with ultraviolet rays, excels in adhesion to a secondary coating of optical fiber and has good releasability from a tape material by using a specified amount of a specified silicon di(meth)acrylate. CONSTITUTION:This composition contains 0.01-20 wt.% silicone di(meth)acrylate of formula I (wherein R1 is hydrogen or methyl; R2 is 1-6 C alkylene; R3 is a diisocyanate residue; R4 is hydrogen, methyl or ethyl; R5 is methyl or ethyl; (l) is 1-10; (m) and (k) are each 1-100; and (n) is an integer of 1-500). This compo sition contains a UV-curable resin, a coloring pigment, a polymerization initiator, etc., in addition to the above silicone di(meth)acrylate.