OIL-IN-WATER EMULSION OF ENERGY RAY-CURABLE RESIN COMPOSITION AND HEAT SENSITIVE RECORDING MEDIUM

PROBLEM TO BE SOLVED: To obtain the subject resin composition excellent in recording-running properties and shelf stability of a heat sensitive recording medium before and after color development, suitable for forming a heat sensitive recording medium having high gloss and high grade feeling and exc...

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Hauptverfasser:	YOSHIOKA KANICHIRO, KIYOYANAGI NORIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS LINING MACHINES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject resin composition excellent in recording-running properties and shelf stability of a heat sensitive recording medium before and after color development, suitable for forming a heat sensitive recording medium having high gloss and high grade feeling and excellent in workability and environmental safety by compounding a resin bearing an ethylenically unsaturated group in the molecule, two kinds of hydrophilic resin having different molecular structures and a filler. SOLUTION: The emulsion is an oil-in-water emulsion of an energy ray- curable resin composition comprising a resin (A) bearing an ethylenically unsaturated group in the molecule, a hydrophilic resin (B) represented by formula I or II (wherein R is H or a 1-25C alkyl; and (n) is a number of at least 1 on the average), a hydrophilic resin (C) bearing an ethylenically unsaturated group and an ammonium sulfonate salt group in the molecule, and a filler (D). The components A, B, C and D are employed desirably in a weight ratio of 2-80%, 8-20%, 0.7-3% and 5-30%, respectively, based on the whole composition. The hydrophilic resin C is represented, for example, by formula III.