Method for preparing polycondensation resin
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United States of America Patent
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May 12, 2015
Grant Date -
Jun 27, 2013
app pub date -
Dec 7, 2012
filing date -
Dec 14, 2011
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Abstract
Disclosed herein is a method for preparing a polycondensation resin. The method includes preparing a low degree condensate; and solid phase polymerizing the low degree condensate, wherein a granular molded article is introduced into the solid phase polymerization. The method enables efficient manufacture of high quality resins without problems such as agglomeration or scaling of a low degree condensate in pipes.
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