STRAHLENHÄRTBARE HARZZUSAMENSETZUNG

The invention is directed to a curable resin composition for optical fibers, to a cured product obtained by curing said curable resin composition, to a substrate comprising a cured coating obtained by radiation curing said composition, and to an optical fiber, ribbon or cable comprising at least one...

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Bibliographische Detailangaben
Hauptverfasser:	UKACHI, TAKASHI, ABEL, ADRIANUS, KOMIYA, ZEN, ALKEMA, DUURT, MASE, MASAHITO
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS BASED THEREON GLASS 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 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention is directed to a curable resin composition for optical fibers, to a cured product obtained by curing said curable resin composition, to a substrate comprising a cured coating obtained by radiation curing said composition, and to an optical fiber, ribbon or cable comprising at least one coating obtained by curing said curable composition. The curable resin composition of the invention comprises: (a) 40-95 wt% of polyurethane having - a polyoxyalkylene structure, in which the weight ratio of propylene oxide and ethylene oxide is 100:0 to 80:20, and - an ethylenically unsaturated group, (b) 3-50 wt% of mono-functional (meth)acrylate of which the homopolymer has a glass transition temperature of 20 °C or less, and (c) 0.01-5 wt% of primary or secondary amine compound, wherein wt% is based on the total amount of the components (a), (b), and (c).