PHOTOCURABLE PIGMENTED SECONDARY OPTICAL FIBER COATINGS

A liquid pigmented (meth)acrylate-functional photocurable coating composition adapted for the secondary coating of optical glass fiber is disclosed. This photocurable composition has a pigment content which is sufficient to provide a coloration which can be distinguished from other colors and in the...

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Bibliographische Detailangaben
Hauptverfasser:	BISHOP, TIMOTHY E, MURRAY, KEVIN P
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES APPARATUS SPECIALLY ADAPTED THEREFOR CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES ELECTROGRAPHY FILLING PASTES GLASS HOLOGRAPHY INKS JOINING GLASS TO GLASS OR OTHER MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS THEREFOR METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES 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:	A liquid pigmented (meth)acrylate-functional photocurable coating composition adapted for the secondary coating of optical glass fiber is disclosed. This photocurable composition has a pigment content which is sufficient to provide a coloration which can be distinguished from other colors and in the absence of a significant excess of said pigment, the particles of the pigment have a size of less than about 1 micron, and an acyl phosphine oxide photoinitiator is used to obtain a rapid photocure despite the presence of the pigment, the composition's normal thickness used for optical fiber coating, and the fine particle size of the pigment.