ENERGY RAY-CURABLE RESIN COMPOSITION

PROBLEM TO BE SOLVED: To provide an energy ray-curable resin composition composed of a urethane acrylate which reduces the viscosity before curing and the volume shrinkage factor on curing, and increases the surface hardness of a cured product. SOLUTION: The energy ray-curable resin composition is c...

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Hauptverfasser:	ISHIKAWA KAYO, SUGAWARA TERUAKI, KITAZAWA MAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS 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 MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an energy ray-curable resin composition composed of a urethane acrylate which reduces the viscosity before curing and the volume shrinkage factor on curing, and increases the surface hardness of a cured product. SOLUTION: The energy ray-curable resin composition is composed of a urethane acrylate obtained by collectively charging hexamethylene diisocyanate (I), an isocyanurate type trimer (II) of hexamethylene diisocyanate, 2-hydroxypropyl acrylate (III), and pentaerythritol triacrylate (IV) shown in Figure to react them and in this instance, the charge molar ratio of a hydroxy group to an isocyanate group (-OH/-NCO) is set at 1.0-1.5, that of the diisocyanate (I) to the isocyanurate type trimer (II) is set at 2.0-4.0, and that of the acrylate (III) to the triacrylate (IV) is set at 0.25-1.0. COPYRIGHT: (C)2006,JPO&NCIPI