Provided are a film or sheet composed of a resin composition that includes a poly lactic acid (A), an acidic functional group-modified olefinic polymer (B) including an acidic functional group and having an acid value of 10 to 70 mg KOH/g and a weight average molecular weight of 10,000 to 80,000, a tetrafluoroethylene polymer (C), and a dicarboxylic acid ester-containing plasticizer (D) containing a compound of General Formula (1) and in which the dicarboxylic acid ester-containing plasticizer (D) is included in an amount off 8 parts by weight or more and less than 40 parts by weight based on 100 parts by weight of the poly lactic acid (A), and a method for manufacturing the film or sheet by melt film formation. Each sign in Formula is as described in the specification.
本发明提供了一种薄膜或片材,由
树脂组合物构成,该
树脂组合物包括聚
乳酸(A)、酸性官能团改性的烯烃聚合物(B)(包括酸性官能团,其酸值为 10 至 70 毫克 KOH/克,重量平均分子量为 10,000 至 80,000 )、
四氟乙烯聚合物(C)、和含有通式(1)化合物的含二
羧酸酯
增塑剂(D),其中含二
羧酸酯
增塑剂(D)的含量以 100 份聚
乳酸(A)的重量为基准,为 8 份(重量)或以上且少于 40 份(重量),以及通过熔融成膜法制造薄膜或片材的方法。式中各符号如说明书所述。