Asymmetric Cyclic Diester Compounds
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United States of America Patent
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app pub date -
Dec 10, 2009
filing date -
Jun 11, 2008
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Abstract
Compounds useful as plasticizers and the synthesis thereof are disclosed. In general, the invention includes mixed alkyl/aryl asymmetric cyclic diesters where the aryl and alkyl ester moieties are attached to a cyclic structure at vicinal carbons. The invention also includes synthetic processes of making such compounds. Blends of these asymmetric cyclic diesters with other plasticizers are demonstrated to be of use in plasticizing polymers.
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