RESINS FOR BULK TOPCOAT

A topcoating (14) is disclosed for a face material (12) which exhibits desirable ink anchorage, anti-pinholing properties, moisture/water resistance, optical characteristics and/or anti-blocking properties. In one embodiment, the topcoating comprises a formulation of polyurethane and polyurethane ac...

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Bibliographische Detailangaben
1. Verfasser:	WIEGERS, RONALD
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	A topcoating (14) is disclosed for a face material (12) which exhibits desirable ink anchorage, anti-pinholing properties, moisture/water resistance, optical characteristics and/or anti-blocking properties. In one embodiment, the topcoating comprises a formulation of polyurethane and polyurethane acrylate. Suitably, the polyurethane is an aliphatic polyurethane and/or the polyurethane acrylate is an aliphatic polyurethane acrylate. In one suitable embodiment, either or both the polyurethane and polyurethane acrylate are water dispersible. In a further embodiment, suitably, the polyurethane is a polyether urethane. Suitably, the formulation may further include a crosslinker, e.g., a water soluble or water dispersible crosslinker.