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    BIOLOGISCH ABBAUBARE POLYESTERFOLIE
    52.
    发明公开
    BIOLOGISCH ABBAUBARE POLYESTERFOLIE 有权
    生物可降解聚酯薄膜

    公开(公告)号：EP2736973A1

    公开(公告)日：2014-06-04

    申请号：EP12735903.2

    申请日：2012-07-20

    Applicant: BASF SE

    Inventor： LOOS, Robert ,  YANG, Xin ,  AUFFERMANN, Jörg ,  FREESE, Franziska

    IPC: C08L67/02 ,  C08J5/18

    CPC classification number: C08L67/02 ,  C08J5/18 ,  C08J2367/02 ,  C08K3/26 ,  C08K3/34 ,  C08K5/3492 ,  C08L67/04 ,  C08L2666/18

    Abstract: The invention relates to a biodegradable polyester film, comprising: i) 80 to 95 wgt.-%, based on the total weight of the components i to ii, of a biodegradable polyester based on aliphatic and aromatic dicarboxylic acids and an aliphatic dihydroxy compound; ii) 5 to 20 wgt.-%, based on the total weight of the components i to ii, of polyhdroxyalkanoate; iii) 10 to 25 wgt.-%, based on the total weight of components i to vi, of calcium carbonate; iv) 3 to 15 wgt.-%, based on the total weight of components i to vi, of talc; v) 0 to 30 wgt.-%, based on the total weight of the components i to vi, of polyactic acid and/or starch; and vi) 0 to 2 wgt.-%, based on the total weight of the components i to vi, of 2-(4,6-Bis-biphenyl-4-yl-1,3,5-triazin-2-yl)-5-(2-ethyl-(n)-hexyloxy)phenol. The invention further relates to the use of said polyester films, in particular for agricultural applications such as mulching films.

    POLYESTER AUF BASIS VON 2-METHYLBERNSTEINSAEURE
    54.
    发明公开
    POLYESTER AUF BASIS VON 2-METHYLBERNSTEINSAEURE 审中-公开
    POLYESTER AUF BASIC VON 2-METHYLBENSTEINSAEURE

    公开(公告)号：EP2688956A1

    公开(公告)日：2014-01-29

    申请号：EP12710701.9

    申请日：2012-03-21

    Applicant: BASF SE

    Inventor： LOOS, Robert ,  MIJOLOVIC, Darijo ,  HEIMANN, Jens ,  SZARKA, Zsolt-Jozsef

    IPC: C08L67/02 ,  C08G63/16

    CPC classification number: C08G63/16 ,  C08L67/02 ,  C08L2205/03

    Abstract: The present invention relates to a polyester containing repeating units based on at least one aliphatic dicarboxylic acid or an ester-forming derivative thereof (component A1), at least one aromatic dicarboxylic acid or an ester-forming derivative thereof (component A2), at least one diol (component B), optionally at least one compound containing sulphonate groups (component A3) and optionally at least one trifunctional crosslinker as component C1 and/or at least one bifunctional chain extender as component C2, where the component A1 contains 2-methylsuccinic acid or an ester-forming derivative thereof, a process for preparing the polyester of the invention, mixtures containing the polyester of the invention; the use of the polyesters of the invention or of the mixtures of the invention for producing shaped bodies, films, adhesives, foams or fibres and also shaped bodies, films, adhesives, foams or fibres containing at least one polyester according to the invention or at least one mixture according to the invention.

    Abstract translation: 本发明涉及含有基于至少一种脂族二羧酸或其成酯衍生物（组分A1），至少一种芳族二羧酸或其成酯衍生物（组分A2）的重复单元的聚酯，至少一种芳族二羧酸或其成酯衍生物 一种二醇（组分B），任选地至少一种含磺酸根基团的化合物（组分A3）和任选的至少一种三官能交联剂作为组分C1和/或至少一种双官能链增长剂作为组分C2，其中组分A1包含2-甲基琥珀酸 酸或其成酯衍生物，制备本发明聚酯的方法，含有本发明聚酯的混合物; 使用本发明的聚酯或本发明的混合物来制备成型体，膜，粘合剂，泡沫或纤维以及含有至少一种根据本发明的聚酯的成型体，膜，粘合剂，泡沫或纤维，或者 至少一种根据本发明的混合物。

    VERFAHREN ZUR FOLIENHERSTELLUNG
    55.
    发明公开
    VERFAHREN ZUR FOLIENHERSTELLUNG 有权
    方法电影制作

    公开(公告)号：EP2550329A1

    公开(公告)日：2013-01-30

    申请号：EP11708892.2

    申请日：2011-03-21

    Applicant: BASF SE

    Inventor： REN, Liqun ,  LOOS, Robert

    IPC: C08L67/00 ,  C08G63/00 ,  C08J5/18

    CPC classification number: C08G63/20 ,  C08J5/18 ,  C08J2367/00 ,  C08J2367/02 ,  C08L67/00 ,  C08L67/02 ,  C08L67/04 ,  C08L2666/02 ,  C08L2666/18

    Abstract: The invention relates to a method for producing tear-propagation-resistant foils using biologically degradable polyesters which can be obtained by polycondensation from: i) 65 to 80 mol %, based on components i to ii, of one or a plurality of dicarbonic acid derivatives or dicarbonic acids selected from the group consisting of: succinic acid, adipic acid, sebacic acid, azelaic acid and brassylic acid; ii) 35 to 20 mol %, based on components i to ii, of a terephthalic acid derivative; iii) 98 to 102 mol %, based on components i to ii, of a C
    2 -C
    8 alkylene diol or C
    2 -C
    6 oxyalkylene diol; iv) 0.05 to 2 wt %, based on the polymer obtainable from components i to iii, of an at least trifunctional crosslinker or of an at least difunctional chain extender. The invention further relates to polymer mixtures which are suitable for producing foils capable of tear propagation.

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