POLYSILOXANE-POLYLACTIDE BLOCK COPOLYMER AND PREPARATION METHOD THEREOF
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United States of America Patent
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Issued Date -
Mar 14, 2013
app pub date -
Aug 10, 2011
filing date -
Aug 10, 2010
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Abandoned
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Abstract
The present invention relates to a polysiloxane-polylactide block copolymer and a preparation method thereof, in which the polysiloxane-polylactide block copolymer has improved impact resistance and flexibility, compared to the conventional polylactide resins and can be prepared by ring-opening polymerization of lactide monomers in the presence of a polymerization initiator of polysiloxane.
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