Power coatings & uses thereof
The invention relates to binder comprising a crosslinker and a branched, partially defunctionalized acid-functional polyester, wherein the polyester is based on a. At least one multi-functional component that is either carboxyl- functional, hydroxyl- functional or carboxyl- and hydroxyl- functional,...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention relates to binder comprising a crosslinker and a branched, partially defunctionalized acid-functional polyester, wherein the polyester is based on
a. At least one multi-functional component that is either carboxyl- functional, hydroxyl- functional or carboxyl- and hydroxyl- functional,
b. At least one di-functional component that is reactive towards a functional group on the multi-functional component and
c. At least one mono-functional component
and wherein the multi- functional component does not contain a tertiary carbon atom and at least 50% of the acid-derived groups originate from an aromatic acid. |
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