RESIN COMPOSITION FOR WATERBORNE CAN COATING AND METAL PLATE COATED WITH THE SAME

PROBLEM TO BE SOLVED: To provide a resin composition for coating cans that has excellent spreadability with excellent over-bake resistance, dent resistance, acid resistance and no pinhole. SOLUTION: The resin composition for waterborne can-coating comprises (A) a polyester having a acid value of 150...

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Bibliographische Detailangaben
1. Verfasser:	TACHIKA HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a resin composition for coating cans that has excellent spreadability with excellent over-bake resistance, dent resistance, acid resistance and no pinhole. SOLUTION: The resin composition for waterborne can-coating comprises (A) a polyester having a acid value of 150 to 800 eq/106g and a number average molecular weight of 5,000 to 100,000 produced from, as the polycarboxylic acid component, 70 to 100 mol% of aromatic dicarboxylic acid, 0 to 30 mol% of other polycarboxylic acids, and as the polyhydric alcohols, including 2-ethyl-2-butyl-1,3-propanediol, as the essential component, additionally at least one selected from the group consisting of 2-methyl-1,3-propanediol, 1,4-butanediol, and 1,4-cyclohexanedimethanol and the total of them is 40 to 100 mol% and include 0 to 60 mol% of other polyhydric alcohol; (B) a resol type phenolic resin; (C) a basic compound; and water. COPYRIGHT: (C)2006,JPO&NCIPI