Organic zinc catalyst, and manufacturing method thereof and manufacturing method of polyalkylene carbonate resin using the same (as amended)
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United States of America Patent
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Aug 14, 2018
Grant Date -
Sep 22, 2016
app pub date -
Nov 18, 2014
filing date -
Nov 18, 2013
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Abstract
The present disclosure relates to an organic zinc catalyst suppressing agglomeration among catalyst particles during a manufacturing method to have more uniform and finer particle size, thereby showing a more improved activity in a polymerization process for manufacturing a polyalkylene carbonate resin, a manufacturing method thereof, and a manufacturing method of a polyalkylene carbonate resin using the same, wherein the organic zinc catalyst is a zinc dicarboxylate-based organic zinc catalyst used for a reaction in which a polyalkylene carbonate resin is manufactured from carbon dioxide and epoxide and includes a monocarboxylic acid-derived moiety having a C3-C15 aliphatic hydrocarbon group (provided that at least one oxygen or carbonyl group is included or not included in the aliphatic hydrocarbon group) that is bonded to an end of at least one side of the zinc dicarboxylate-based organic zinc catalyst.
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