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    POLYMER FILM WITH RENEWABLE CONTENT
    1.
    发明公开
    POLYMER FILM WITH RENEWABLE CONTENT 审中-公开
    POLYMERFOLIE MIT ERNEUERBAREN INHALT

    公开(公告)号：EP3003712A4

    公开(公告)日：2016-12-28

    申请号：EP14804932

    申请日：2014-05-29

    申请人： TRISTANO PTY LTD

    发明人： LEUFGENS MARKUS

    IPC分类号： B32B9/02 ,  C08J5/18 ,  C08L3/02 ,  C08L23/06

    CPC分类号： B32B27/08 ,  B29C47/0004 ,  B29C47/0021 ,  B29C47/065 ,  B29K2003/00 ,  B29K2023/0608 ,  B29L2031/7128 ,  B32B1/02 ,  B32B7/02 ,  B32B9/02 ,  B32B9/045 ,  B32B27/20 ,  B32B27/30 ,  B32B27/308 ,  B32B27/32 ,  B32B27/327 ,  B32B2250/03 ,  B32B2264/102 ,  B32B2264/104 ,  B32B2270/00 ,  B32B2307/21 ,  B32B2307/31 ,  B32B2307/4026 ,  B32B2307/412 ,  B32B2307/72 ,  B32B2307/728 ,  B32B2307/73 ,  B32B2439/46 ,  B32B2439/70 ,  C08L3/02 ,  C08L23/06 ,  C08L23/0815 ,  C08L23/0869

    摘要： Disclosed is a polymer film having a multilayer structure, the multilayer structure including an inner polymer layer interposed between first and second outermost polymer layers, wherein: (i) the inner polymer layer includes a melt blend of: (a) a starch containing a polymer composition including polyethylene, thermoplastic starch, and one or more compatibilizers; (b) a metallocene polyethylene having a melt flow index in the range of 0.5 to 2.5 g/10 min and a density in the range of 0.910 to 0.935 g/cm3; (c) a polyethylene having a melt flow index in the range of 2 to 4 g/10 min and a density in the range of 0.918 to 0.925 g/cm3; and (d) a polyethylene have a melt flow index in the range of 0.05 to 0.2 g/10 min and a density in the range of 0.948 to 0.955 g/cm3; (ii) the first and second outermost polymer layers independently (a) include a metallocene polyethylene having a melt flow index in the range of 0.5 to 2.5 g/10 min and a density in the range of 0.916 to 0.935 g/cm3, or (b) have a heat seal initiation temperature of no greater than 120° C., wherein at least one of the first and second outermost polymer layers has a heat seal initiation temperature of no greater than 120° C.

    摘要翻译： 公开了具有多层结构的聚合物膜，所述多层结构包括介于第一和第二最外层聚合物层之间的内聚合物层，其中：（i）内聚合物层包括熔融共混物：（a）含有聚合物的淀粉 组合物，包括聚乙烯，热塑性淀粉和一种或多种增容剂; （b）熔体流动指数为0.5-2.5g / 10min，密度为0.910-0.935g / cm3的金属茂聚乙烯; （c）熔体流动指数在2至4g / 10min范围内且密度在0.918至0.925g / cm3范围内的聚乙烯; 和（d）聚乙烯的熔体流动指数在0.05至0.2g / 10min的范围内，密度在0.948至0.955g / cm3的范围内; （ii）第一和第二最外层聚合物层独立地（a）包括熔体流动指数为0.5-2.5g / 10min，密度在0.916-0.935g / cm3范围内的茂金属聚乙烯，或（ b）热封起始温度不大于120℃，其中第一和第二最外层聚合物层中的至少一个具有不大于120℃的热封起始温度。