MULTI-LAYERED FILM
    2.
    发明公开
    MULTI-LAYERED FILM 审中-公开
    MEHRSCHICHTIGER电影

    公开(公告)号:EP2914432A4

    公开(公告)日:2016-07-13

    申请号:EP13852187

    申请日:2013-10-18

    Abstract: This invention relates to a multi-layered film that has high flexibility, tear resistance, heat sealability, interlayer contact strength, and biodegradability. The multi-layered film comprising layer (X) and layer (Y) which meet requirement (A): layer (X) comprises (a) lactic acid based resin, (b) biodegradable resin except lactic acid based resin, and (c) block copolymer resin of polyether segment and polylactic acid segment wherein resin (a), (b), and (c) account for 20-85 parts, 10-50 parts, and 5-30 parts by mass, respectively (resin (a), (b), and (c) in total account for 100 parts by mass) and requirement (B): layer (Y) comprises (d) aliphatic-aromatic polyester and resin (e) as defined below wherein resin (d) and (e) account for 30-100 parts and 0-70 parts by mass, respectively (resin (d) and (e) in total account for 100 parts by mass) Resin (e): at least one resin selected from the group consisting of lactic acid based resin, aliphatic polyester, polypropylene carbonate, and polyhydroxy alkanoate.

    Abstract translation: 本发明涉及具有高柔性,抗撕裂性,热封性,层间接触强度和生物降解性的多层膜。 (A):层(X)的包含层(X)和层(Y)的多层膜包含(a)乳酸类树脂,(b)乳酸类树脂以外的生物降解性树脂,(c) 其中树脂(a),(b)和(c)分别占20-85份,10-50份和5-30质量份(树脂(a))的聚醚链段和聚乳酸链段的嵌段共聚物树脂, ,(b)和(c)总计100质量份)和要求(B):层(Y)包含(d)如下定义的脂族 - 芳族聚酯和树脂(e),其中树脂(d)和 (e)分别为30〜100份,0〜70质量份(树脂(d)和(e)共计100质量份)树脂(e):至少一种选自 的乳酸类树脂,脂肪族聚酯,聚碳酸丙烯酯和聚羟基链烷酸酯。

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