Polyester Heat Storage Material and Preparation Method Thereof
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Jun 21, 2011
filing date -
Jan 31, 2011
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Abstract
A polyester heat storage material and a preparation method thereof are disclosed. The repeating unit of the polyester's main chain comprises a diacid fragment and a polyalkylene glycol fragment. The method for preparing the polyester heat storage material includes melting diacid anhydride and polyalkylene glycol and conducting the polycondensation reaction.
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