申请人:Teijin Chemicals, Ltd.
公开号:EP2351792A1
公开(公告)日:2011-08-03
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).
一种包含聚乳酸且具有优异热稳定性(尤其是湿热稳定性)的组合物及其模塑制品。
该组合物包括 100 重量份的树脂组分(A 组分),它由 5 至 100 重量份的聚乳酸(A-α 组分)和 95 至 0 重量份的热塑性树脂(A-β 组分)组成;0.001 至 5 重量份的膦酰脂肪酸酯(B 组分);0.01 至 5 重量份的磷酸盐金属盐(C 组分);0.001 至 2 份(按重量计)至少一种抗氧化剂(组分 D),该抗氧化剂选自亚磷酸基化合物、亚磷酸基化合物、受阻酚基化合物和硫醚基化合物组成的组,以及 0.001 至 10 份(按重量计)端封剂(组分 E)。