Blends of styrene butadiene copolymers with poly(lactic acid)
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United States of America Patent
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Dec 26, 2017
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Nov 11, 2014
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Nov 11, 2013
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Abstract
The present invention relates to a polymer blend comprising 75-99.5% (w/w) of at least one polylactic acid) (PLA) and 0.5-25% (w/w) of at least one styrene butadiene copolymer containing at least 50% (w/w) styrene. The present invention further relates to the use of such polymer blend for producing products and to the resulting products. Moreover, an object of the present invention is the use of a styrene butadiene block copolymer having a dendrimer structure comprising 50-85% (w/w) styrene as an additive of polymer blends comprising at least 50% (w/w) of PLA and a method of producing the polymer blend according to the invention.
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