Thermosetting coating compositions
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United States of America Patent
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Feb 22, 1994
Grant Date -
N/A
app pub date -
Mar 1, 1993
filing date -
Mar 1, 1993
priority date (Note) -
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Abstract
Disclosed are thermosetting or curable coating compositions comprising (1) a film forming polymeric material bearing acetoacetate residues, (2) an amino resin cross-linking or curing material, (3) an organic sulfonic acid cross-linking or curing catalyst, and (4) an epoxide compound selected from limonene monoepoxide, limonene diepoxide and a mixture thereof. The presence of the limonene epoxide inhibit discoloration of the coating composition upon prolonged storage, especially at elevated temperatures.
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