Glycidyl ester of cooh polyester and curing agent
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United States of America Patent
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Jun 29, 2004
Grant Date -
Jan 2, 2003
app pub date -
Aug 15, 2002
filing date -
Oct 29, 1999
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Expired
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Abstract
A composition comprises a curing agent or coreactant and a glycidyl ester produced by reacting a carboxyl-functional polyester having an acid value of less than 280 mg KOH/gram with excess epihaloydrin in the presence of a base and, optionally, a catalyst, wherein the carboxyl-functional polyester is produced by reacting (a) at least on cyclohexyl anhydride A; (b) at least one di-secondary or di-primary hydroxyl compound B containing two (cyclo)aliphatic hydroxyl groups; (c) at least one di-secondary carboxylic acid or anhydride C; and (d) a monoglycidyl ester of an alpha,alpha-branched carboxylic acid D containing from 5 to 19 carbon atoms.
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