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    • 25. 发明公开
    • DURCH THERMOFORMEN HERGESTELLTER ARTIKEL
    • EP3140349A1
    • 2017-03-15
    • EP15718900.2
    • 2015-04-29
    • BASF SE
    • LEHENMEIER, MaximilianSKUPIN, GabrielBUSSMANN, Martin
    • C08L67/02
    • C08L67/02B65D43/00B65D75/36C08K3/013C08L67/04C08L2201/08C08L2203/30C08L2205/025C08L2205/03
    • The present invention relates to an article produced by thermoforming containing: i) 45 to 59 wt.-%, relative to the total weight of the components i to iv, of a biodegradable polyester containing: i-a) 90 to 100 mol %, relative to the components i-a to i-b, of succinic acid; i-b) 0 to 10 mol %, relative to the components i-a to i-b, of one or more of C
      6 -C
      20 dicarboxylic acids; i-c) 98 to 102 mol %, relative to the components i-a to i-b, of 1,3-propanediol or 1,4-butanediol; i-d) 0.05 to 1 wt.%, relative to the components i-a to i-c, of a chain extender or brancher; ii) 5 to 14 wt.% relative to the total weight of the components i to iv, of an aliphatic-aromatic polyester containing: ii-a) 30 to 70 mol %, relative to the components ii-a to ii-b, of a C
      6 -C
      18 dicarboxylic acid; ii-b) 30 to 70 mol %, relative to the components ii-a to ii-b, of terephthalic acid; ii-c) 98 to 100 mol %, relative to the components ii-a to ii-b, of 1,3-propanediol or 1,4-butanediol; ii-d) 0.05 to 1 wt.%, relative to components ii-a to ii-c, of a chain extender or brancher; iii) 15 to 24 wt.%, relative to the total weight of components i to iv, of polylactic acid; iv) 10 to 35 wt.%, relative to the total weight of components i to iv, of at least one mineral filler; wherein for the compound of the components i to iv the ratio of the component i to component iii in the compound is 2.2 to 3.2 and the MVR in accordance with DIN EN 1133 of 01.03.2012 (190 °C, 2.16 kg) of the compound is 1 to 10cm³/10 min.
    • 本发明涉及通过热成型制备的制品,其包含:i)相对于组分i至iv的组分i至iv的总重量为45至59重量%的生物可降解聚酯,其含有:相对于 组分ia至ib,琥珀酸; i-b)相对于组分i-a至i-b为0至10mol%的一种或多种C 6 -C 20二羧酸; i-c)相对于组分i-a至i-b为98至102摩尔%的1,3-丙二醇或1,4-丁二醇; i-d)相对于增链剂或分枝剂的成分i-a至i-c为0.05至1重量%; ii)相对于组分ii-a至ii-b,相对于组分i至iv的脂族 - 芳族聚酯的总重量为5至14重量%,其包含:ii-a)30至70摩尔% 的C6-C18二羧酸; ii-b)相对于对苯二甲酸的成分ii-a〜ii-b为30〜70摩尔% ii-c)相对于组分ii-a至ii-b,1,3-丙二醇或1,4-丁二醇为98-100mol%; ii-d)相对于增链剂或分支剂的组分ii-a至ii-c为0.05-1重量%; iii)相对于组分i至iv的总重量为15至24重量%的聚乳酸; iv)相对于组分i至iv的至少一种矿物填料的10至35重量%; 对于组分i至iv的化合物,化合物中组分i与组分iii的比例为2.2至3.2,根据化合物01.03.2012(190℃,2.16kg)的DIN EN 1133的MVR 为1至10cm³/ 10分钟。