Glycidyl ester by reacting COOH polyester with epihalohydrin
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United States of America Patent
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Sep 17, 2002
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N/A
app pub date -
Aug 24, 2000
filing date -
Oct 29, 1999
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Expired
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Abstract
A glycidyl ester is produced by reacting a carboxyl-functional polyester having an acid value of less than 280 mg KOH/gram with excess epihalohydrin in the presence of a base and, optionally, a catalyst, wherein the carboxyl-functional polyester is produced by reacting (a) at least one cyclohexyl anhydride A; (b) at least one compound B containing two (cyclo)aliphatic hydroxyl groups which is a di-secondary or di-primary hydroxyl compound, and if C is present, monoepoxide D which is a monoglycidyl ester of an .alpha.,.alpha.-branched, C.sub.5 -C.sub.19 carboxylic acid; and, optionally, (c) at least one di-secondary carboxylic acid or anhydride C.
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