METHODS OF PREPARING COATED SUBSTRATES AND NON-AQUEOUS, CURABLE FILM-FORMING COMPOSITIONS USED THEREFOR
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United States of America Patent
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Sep 14, 2023
app pub date -
Jul 1, 2021
filing date -
Jul 1, 2021
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Abstract
The present invention is directed to non-aqueous, curable film-forming compositions comprising: a) an anhydride functional compound; b) at least one of: (i) a hydroxyl functional compound having at least two hydroxyl functional groups and (ii) a carbodiimide functional compound; and c) hydrolyzable functional groups. After application of the curable film-forming composition to a substrate to form a coated substrate, and upon subjecting the coated substrate to curing conditions, the curable film-forming composition undergoes multiple cure reactions. The present invention is further directed to methods of preparing coated substrates with these compositions.
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