Wärmehärtbares Beschichtungssystem

Heat-curable coating materials (I) are based on carboxyl- functional polyester resins (II), polyfunctional epoxides and/or β-hydroxyalkyl-amides (III), and opt. other conventional additives. The binder resin(s) (II) are obtd. from (A) not more than 10 mole pts. isophthalic acid, (B) at least 90 mole...

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Bibliographische Detailangaben
Hauptverfasser:	KINKELIN, EBERHARD.NAT., CHUR, CH, KAPLAN, ANDREAS.NAT, CHUR, CH, HOPPE, MANFRED.NAT., CHUR, CH
Format:	Patent
Sprache:	ger
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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Beschreibung
Zusammenfassung:	Heat-curable coating materials (I) are based on carboxyl- functional polyester resins (II), polyfunctional epoxides and/or β-hydroxyalkyl-amides (III), and opt. other conventional additives. The binder resin(s) (II) are obtd. from (A) not more than 10 mole pts. isophthalic acid, (B) at least 90 mole pts. 8-16C aromatic dicarboxylic acid(s), 6-22C aliphatic dicarboxylic acid(s) and/or 8-16C cycloaliphatic dicarboxylic acid(s), (C) at least 50 mole pts. 4-12C branched aliphatic diol(s) and (D) not more than 50 mole pts. 2-22C linear aliphatic diol(s) and/or 6-16C cycloaliphatic diol(s). Also claimed is a process for the prodn. of (I), by mixing (II) with crosslinker(s) (III) and opt. other additives in the melt at 90-130 degrees C, extruding, granulating, milling and sieving to a particle size of less than 100 microns. Also claimed are protective coatings produced from (I).