申请人:KAO CORPORATION
公开号:US10100191B2
公开(公告)日:2018-10-16
A polylactic acid resin composition containing (A) a polylactic acid resin, (B) a plasticizer, (C) an organic crystal nucleating agent, and (D) an acrylic/styrene copolymer having an epoxy group, wherein the above (B) plasticizer is an ester compound having two or more ester groups in the molecule, wherein the ester compound contains one or more members selected from the group consisting of an ester compound in which at least one kind of the alcohol component constituting the ester compound is an alcohol reacted with an alkylene oxide having from 2 to 3 carbon atoms in an amount of from 0.5 to 5 mol on average, per one hydroxyl group, and an ester compound represented by formula (I), and wherein the above (D) acrylic/styrene copolymer having an epoxy group is from 0.1 to 0.9 parts by mass, based on 100 parts by mass of (A) the polylactic acid resin. The polylactic acid resin composition of the present invention can be suitably used in various applications such as wrapping materials for food containers, daily sundries, and household electric appliances, trays for industrial parts, and the like.
一种聚乳酸树脂组合物,含有(A)聚乳酸树脂、(B)增塑剂、(C)有机成核剂和(D)具有环氧基团的丙烯酸/苯乙烯共聚物,其中上述(B)增塑剂是分子中具有两个或两个以上酯基的酯化合物、构成酯化合物的醇组分中至少有一种是与具有 2 至 3 个碳原子的环氧亚 烷反应的醇,其用量为平均每 0.5至5摩尔(平均每一个羟基),以及由式(I)代表的酯化合物,其中上述(D)具有环氧基团的丙烯酸/苯乙烯共聚物的质量份数为0.1至0.9份(以100份(A)聚乳酸树脂的质量份数为基准)。本发明的聚乳酸树脂组合物可适当用于各种用途,如食品容器、日用杂品和家用电器的包装材料,工业零部件托盘等。