POLYLACTIC ACID COMPOSITION AND MOLDED ARTICLE THEREOF
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United States of America Patent
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Issued Date -
Oct 27, 2011
app pub date -
Nov 2, 2009
filing date -
Nov 5, 2008
priority date (Note) -
Abandoned
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Abstract
A composition comprising polylactic acid and having excellent heat stability, especially moist heat stability, and a molded article thereof.The composition comprises 100 parts by weight of a resin component (component A) which is composed of 5 to 100 wt % of polylactic acid (component A-α) and 95 to 0 wt % of a thermoplastic resin (component A-β), 0.001 to 5 parts by weight of a phosphono-fatty acid ester (component B), 0.01 to 5 parts by weight of a phosphate metal salt (component C), 0.001 to 2 parts by weight of at least one antioxidant (component D) selected from the group consisting of a phosphite-based compound, a phosphonite-based compound, a hindered phenol-based compound and a thioether-based compound, and 0.001 to 10 parts by weight of an end-sealing agent (component E).
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