INTERMEDIATE COATING MATERIAL COMPOSITION

PROBLEM TO BE SOLVED: To obtain an intermediate coating material composition, consisting essentially of a hydroxyl group-containing polyester resin, a melamine resin, an epoxy group-containing acrylic resin and a blocked polyisocyanate compound, capable of forming a coating film excellent in interla...

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Bibliographische Detailangaben
1. Verfasser:	UENO SHIGETO
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 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 obtain an intermediate coating material composition, consisting essentially of a hydroxyl group-containing polyester resin, a melamine resin, an epoxy group-containing acrylic resin and a blocked polyisocyanate compound, capable of forming a coating film excellent in interlaminar adhesion and chipping resistance and useful for automobiles, etc. SOLUTION: This intermediate coating material composition consists essentially of (A) a hydroxyl group-containing polyester having 2000-5000 number- average molecular weight and 50-140mgKOH/g hydroxyl value, (B) a melamine resin having 1000-3000 number-average molecular weight, (C) an epoxy group- containing acrylic resin having 10-40 epoxy equiv. and 5000-15000 number-average molecular weight and (D) a blocked polyisocyanate compound. The amounts of the components are preferably 65-80wt.% component (A) and 35-20wt.% based on the total amount of the components (A) and (B) and preferably 10-20 pts.wt. component (C) and preferably 1-10 pts.wt. component (D) based on 100 pts.wt. sum total of the components (A) and (B).