Polyolefin-based coating material composition and primer coating material

The present invention provides a coating material composition which exhibits good adhesiveness and has good storage stability, and a coating film of which, on a polyolefin resin substrate, has excellent resistance to high-pressure vehicle washing, chemical resistance, and resistance to oil soaking....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KASHIHARA, KENJI, YAMASAKI, HOKUTO
Format:	Patent
Sprache:	chi ; 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 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:	The present invention provides a coating material composition which exhibits good adhesiveness and has good storage stability, and a coating film of which, on a polyolefin resin substrate, has excellent resistance to high-pressure vehicle washing, chemical resistance, and resistance to oil soaking. Specifically, the present invention provides a coating material composition characterized by comprising a modified polyolefin (A) and a (meth)acrylic resin (B), wherein the glass transition temperature of the modified polyolefin (A) is not lower than -30 DEG C, the (meth)acrylic resin (B) contains a polymer of a radically polymerizable compound (b1), the radically polymerizable compound (b1) contains a polyfunctional (meth)acrylate, the glass transition temperature of the (meth)acrylic resin (B) is not lower than 0 DEG C, and the hydroxyl value of the (meth)acrylic resin (B) is 5-150 mgKOH/g.