PRIMARY COATINGS FOR OPTICAL GLASS FIBERS INCLUDING POLYETHER ACRYLATES

Photocurable liquid coating compositions adapted to provide primary coatings for optical glass fibers are disclosed. These compositions comprise a (meth)acrylate-terminated polyurethane a (meth)acrylate of an unsubstituted or C1-C10 alkyl substitut ed phenol that is alkoxylated with a C2-C4 alkylene...

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Bibliographische Detailangaben
Hauptverfasser:	POKLACKI, ERWIN S, ZIMMERMAN, JOHN M, BISHOP, TIMOTHY E, DERER, JOHN L, COADY, CLIVE J
Format:	Patent
Sprache:	eng ; fre
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:	Photocurable liquid coating compositions adapted to provide primary coatings for optical glass fibers are disclosed. These compositions comprise a (meth)acrylate-terminated polyurethane a (meth)acrylate of an unsubstituted or C1-C10 alkyl substitut ed phenol that is alkoxylated with a C2-C4 alkylene oxide and at least one alkylacrylate having a Tg below about -45 .degree.C. I Films produced from these ultraviolet light curable compositions are flexibl e and possess good water resistance and good wet adhesion.