Polyester resin and method for preparing the same
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United States of America Patent
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Jun 13, 2017
Grant Date -
Aug 4, 2016
app pub date -
Apr 14, 2016
filing date -
Sep 14, 2009
priority date (Note) -
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Abstract
A polyester resin copolymerized with isosorbide and 1,4-cyclohexane dimethanol and having an improved impact strength, and a method for preparing the same are disclosed. The copolymerized polyester resin has an alternating structure of acid moieties which are derived from acid components and diol moieties which are derived from diol components, wherein the acid components comprise terephthalic acid, and the diol components comprise (i) 5˜99 mol % of 1,4-cyclohexanedimethanol and (ii) 1˜60 mol % of isosorbide with respect to the total diol components.
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