METHOD TO REPROCESS POLYLACTIC ACID RESIN AND ARTICLES
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United States of America Patent
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app pub date -
May 13, 2011
filing date -
Dec 11, 2007
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Abstract
Films and formulations that include recycled polylactic acid resin are described. The films and formulations include, for example, 1-10 wt % of an ethylene-acrylate copolymer. The use of the ethylene-acrylate compolymer in the polylactic acid formulations allows for recycling of PLA-based films and articles with minimum degradation, as exhibited by changes in intrinsic viscosity and color properties.
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