THERMOSET COATING COMPOSITIONS HAVING IMPROVED HARDNESS

The present invention provides for amino-crosslinkable coating formulations based on a mixture of a di or polyhydroxy functional polymeric component selected from the group consisting of diesters, polyesters, alkyd polymers, acrylic polymers and polycarbonate polymers, a methylol (alkoxymethyl) amin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ALBERT ILYA YEZRIELEV, WILLIAM EDWARD WELLMAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention provides for amino-crosslinkable coating formulations based on a mixture of a di or polyhydroxy functional polymeric component selected from the group consisting of diesters, polyesters, alkyd polymers, acrylic polymers and polycarbonate polymers, a methylol (alkoxymethyl) amino crosslinking agent and a bis-aromatic polyhydric phenol component having the structure of formula I: wherein X is selected from the group consisting of carbon to carbon covalent bond, oxygen, sulfur, -S-S-, -CO-, -SO-, -SO2- and a divalent organic radical having a molecular weight less than about 400, and wherein Y is independently selected from the group consisting of hydrogen, halogen, C1 to C4 alkyl and C1 to C4 alkoxy.