PREPARATION OF COATED PLASTIC MOLDED PRODUCT

PURPOSE:To enhance the hardness and scratch resistance of a coated plastic molded product by bonding a film forming raw material consisting of a photopolymerizable compound having a specific composition and a photopolymerization initiator between a synthetic resin base material and a synthetic resin...

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Bibliographische Detailangaben
Hauptverfasser:	ISHII TARO, TAYAMA SUEHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To enhance the hardness and scratch resistance of a coated plastic molded product by bonding a film forming raw material consisting of a photopolymerizable compound having a specific composition and a photopolymerization initiator between a synthetic resin base material and a synthetic resin film under pressure. CONSTITUTION:A film forming raw material is prepared by compounding 0.02 to 10 pts.wt. of a photopolymerization initiator with 100 pts.wt. of a photopolymerizable compound consisting of 25 to 100wt.% of a monomer having three or less methacryloyloxy groups in its molecule and viscosity of 150cps or less at 20 deg.C and 0 to 75wt.% of a monomer having two or more methacryloyloxy groups in its molecule and viscosity of 150cps or more at 20 deg.C. This raw material is held between a synthetic resin base material and a synthetic resin film to be bonded under pressure and subsequently irradiated with active energy rays from the surface of the film to be cured. Next, the film is released and the coating surface is irradiated with active energy rays to obtain a coated plastic molded product.