polylactic acid toughening with polyhydroxyalkanoates

摘要

toughening of polylactic acid with polyhydroxyalkanoates. The present invention relates to polymer blend compositions of polylactic acid (p1a) and polyhydroxyalkanoate. In certain embodiments, pha is a multiphase copolymer blend which has a totally amorphous phase with a glass transition temperature below 20 ° C and is about 45% of the total pha. Also described are the methods of making the compositions of the invention. The invention also includes articles, film and laminates comprising the compositions.