Verfahren zum Beschichten von Polyolefin-Formteilen

Method of coating a polyolefin molded part, which method comprises coating onto the polyolefin molded part without any pretreatment or with a pretreatment by washing with an aqueous medium an undercoating containing, as a major component, a composition consisting of 100 parts by weight of (A) an uns...

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Bibliographische Detailangaben
Hauptverfasser:	KATO, TADAHIRO, HIRATSUKA, KANAGAWA, ONOYAMA, HIROYUKI, HIRATSUKA, KANAGAWA, FUJII, YASUHIRO, HIRATSUKA, KANAGAWA, IWAHASHI, KENJI, HIRATSUKA, KANAGAWA
Format:	Patent
Sprache:	ger
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:	Method of coating a polyolefin molded part, which method comprises coating onto the polyolefin molded part without any pretreatment or with a pretreatment by washing with an aqueous medium an undercoating containing, as a major component, a composition consisting of 100 parts by weight of (A) an unsaturated dicarboxylic acid-modified chlorinated polypropylene having an acid value of 3 to 80, a degree if chlorination in the range of 18 to 28% by weight as a chlorine content and a weight-average molecular weight of 30,000 to 170,000, 1 to 50 parts by weight of (B) an epoxy resin having a weight-average molecular weight of 250 to 2,000 and an epoxy equivalent of 90 to 1,200, and preferably 2 parts by weight or less of (C) a catalyst, followed by coating a topcoating.