Mixed aryl/alkyl diester compositions
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United States of America Patent
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Jun 26, 2012
Grant Date -
Mar 19, 2009
app pub date -
Sep 14, 2007
filing date -
Sep 14, 2007
priority date (Note) -
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Abstract
Novel ester compositions are prepared by reacting 1) at least one diol, glycol or oligomeric glycol with 2) a mixture of at least one aromatic monocarboxylic acid and at least one aliphatic monocarboxylic acid containing from 2 to 4 carbon atoms. The compositions are effective plasticizers for a variety of polymers, particularly those employed in water-borne adhesives. The freezing point of the present ester mixtures and their efficacy as plasticizers and other types of additives and/or modifiers for a variety of polymer compositions can be varied by adjusting the relative concentrations of the aromatic and aliphatic acids used to prepare the ester composition.
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