Storage Stable Thermosetting Powder Coating Compositions Comprising an Epoxy Crosslinker and a Polyester Resin Prepared From Citric Acid And/or Citric Acid Anhydride, and Powder Coatings Thereof Having at Least Good Chemical Resistance and at Least Very Good Adhesion

The invention relates to thermosetting powder coating compositions including a constituent B which constituent B consists of an epoxy crosslinker of a particular epoxy equivalent weight and a polyester resin including reacted residues of citric acid, and/or citric acid anhydride, and optionally alky...

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Bibliographische Detailangaben
Hauptverfasser: Buijsen, Paulus Franciscus Anna, Bos, Matthias Johannes Cornelis, Huang, Rubin, Hettinga, Johannes Albertus, Bongaerts, Johannes Gertrudis Christianus
Format: Patent
Sprache:eng
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Zusammenfassung:The invention relates to thermosetting powder coating compositions including a constituent B which constituent B consists of an epoxy crosslinker of a particular epoxy equivalent weight and a polyester resin including reacted residues of citric acid, and/or citric acid anhydride, and optionally alkyl esters of citric acid. The invention further relates to cured thermosetting powder coating compositions (powder coatings), films, coatings, and articles based on or using the invention's thermosetting powder coating compositions. The invention further relates to various processes and uses of the thermosetting powder coating compositions of the invention.