Lactide copolymer, and resin composition and film comprising same
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United States of America Patent
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Jul 5, 2016
Grant Date -
Oct 1, 2015
app pub date -
Dec 4, 2013
filing date -
Dec 6, 2012
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Abstract
The present invention relates to a lactide copolymer exhibiting excellent flexibility and having more improved processability and productivity at the time of performing an extrusion and molding process, and a resin composition and film including the same, wherein the lactide copolymer includes a predetermined number of block copolymer repeating units in which hard segments of polylactide repeating units are bound to both ends of soft segments of polyether polyol repeating units, and has a weight-average molecular weight of 150,000 to 300,000, and a melt index y (MI; g/10 min) satisfying a specific relationship, the MI being measured under a load of 2.16 kg and at a temperature of x□ between 170□ and 210□.
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