Process for the production of reaction mixtures containing ester polyols
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United States of America Patent
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Nov 30, 1993
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N/A
app pub date -
Apr 21, 1992
filing date -
Oct 21, 1989
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Abstract
Process for the preparation of ester polyols by conducting the ring opening of epoxidized esters and/or alcohols with carboxylic acids by the controlled addition of the epoxidized compounds to the carboxylic acids wherein the carboxylic acids are present in at least stoichiometric quantities based on epoxide groups, to minimize unreacted epoxide groups and produce ester polyols having relatively low viscosities compared to those produced by the one-pot prior art process.
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