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    ALIPHATISCHE POLYESTER
    3.
    发明公开
    ALIPHATISCHE POLYESTER 有权
    ALIPHATIS​​CHE聚酯

    公开(公告)号：EP2350162A1

    公开(公告)日：2011-08-03

    申请号：EP09783285.1

    申请日：2009-09-22

    Applicant: BASF SE

    Inventor： SIEGENTHALER, Kai Oliver ,  FÜSSL, Andreas ,  SKUPIN, Gabriel ,  YAMAMOTO, Motonori

    IPC: C08G63/16 ,  C08G63/20 ,  C08K13/02 ,  C08L67/00 ,  C08G63/91

    CPC classification number: C08G63/16 ,  C08G63/20 ,  C08G63/916 ,  C08K3/01 ,  C08K3/013 ,  C08K5/0008 ,  C08K5/0016 ,  C08L67/00 ,  C08L67/02 ,  C08L67/04 ,  C08L69/00 ,  C08L2666/02 ,  C08L2666/18 ,  C08L2666/14

    Abstract: The present invention relates to copolymers obtained through condensation of i) 90 to 99.5 mol % of succinic acid, relative to components i to ii; ii) 0.5 to 10 mol % of one or more C
    2 -C
    8 -dicarboxylic acids, relative to components i to ii; iii) 100 mol % of 1,3 propanediol or 1,4- butanediol, relative to components i to ii, said copolymers having a viscosity number according to DIN 53728 of 100 to 450 mL/g. Moreover, the invention relates to a method for producing the copolymer, to polymer mixtures containing said copolymers and to the use of said copolymers.

    Abstract translation: 本发明提供了一种通过i）90至99.5mol％（基于组分i至ii）的琥珀酸缩合得到的共聚物; ii）基于组分i至ii的一种或多种C 2 -C 8二羧酸为0.5至10mol％; iii）基于组分i至ii的1,3-丙二醇或1,4-丁二醇的100摩尔％，并且具有在100至450mL / g范围内的DIN 53728粘度。 本发明还提供了一种制备共聚物的方法，包含这些共聚物的聚合物共混物以及这些共聚物的用途。

    VERFAHREN ZUM VOLLSTÄNDIGEN ANAEROBEN ABBAU VON POLYMERMISCHUNGEN
    7.
    发明公开
    VERFAHREN ZUM VOLLSTÄNDIGEN ANAEROBEN ABBAU VON POLYMERMISCHUNGEN 审中-公开
    方法聚合物共混物的完全去除厌氧

    公开(公告)号：EP2870202A1

    公开(公告)日：2015-05-13

    申请号：EP13731799.6

    申请日：2013-06-27

    Applicant: BASF SE

    Inventor： SINKEL, Carsten ,  LOOS, Robert ,  JOCHEM, Karlheinz ,  SIEGENTHALER, Kai Oliver ,  YANG, Xin ,  KÜPER, Ulf ,  ZIMMERMANN, Mathias

    IPC: C08L67/04 ,  C08L67/02 ,  C08J5/18

    CPC classification number: C08J5/18 ,  C08J2367/02 ,  C08J2467/04 ,  C08L67/02 ,  C08L67/04

    Abstract: The invention relates to the complete anaerobic degradation of polymer mixtures having the following composition : a) 25 - 95 wt.-% of a polyhydroxyalkanoate selected from the group consisting of poly-4-hydroxybutyrates, poly-3-hydroxybutyrates, poly(3-hydroxybutyrate-co-3-hydroxyvalerates), poly(3-hydroxybutyrate-co-3-hydroxyhexanoates and poly(3-hydroxybutyrate-co-4-hydroxybutyrates) and b) 5 - 75 wt.-% of an aliphatic polyester containing : i) 65 -100 mol %, in relation to the components i - ii, succinic acid or a succinic acid derivative; ii) 0 - 35 mol %, in relation to the components i - ii, of an aliphatic C
    5 -C
    36 -dicarboxylic acid, a corresponding acidic derivative or a mixture; iii) 98 - 100 mol %, in relation to the components i - ii, of a C2-C8-alkylene diol or C2-C6-oxyalkylene diol; iv) 0 - 2 wt.-%, in relation to the polymer obtained from the components i - iii, at least one polyfunctional compound containing at least two isocyanate-, isocyanurate-, oxazoline-or epoxide groups or at least three alcohol-or carboxylic acid groups.

    DURCH SPRITZGUSS HERGESTELLTER ARTIKEL
    8.
    发明公开
    DURCH SPRITZGUSS HERGESTELLTER ARTIKEL 有权
    通过注射MADE文章

    公开(公告)号：EP2726549A1

    公开(公告)日：2014-05-07

    申请号：EP12729630.9

    申请日：2012-06-26

    Applicant: BASF SE

    Inventor： SIEGENTHALER, Kai Oliver ,  AUFFERMANN, Jörg

    IPC: C08L67/02

    CPC classification number: C08L67/02 ,  C08K3/013 ,  C08L67/04

    Abstract: The invention relates to an item produced by means of injection molding, containing: i) 50 to 85 wt%, with respect to the total weight of components i to ii, of a biodegradable polyester having an MVR (190°C, 2.16 kg) according to ISO 1133 of 10 to 100 cm
    3 /10 min, containing: a) 90 to 99.5 mol%, with respect to components a to b, of succinic acid; b) 0.5 to 10 mol%, with respect to components a to b, of one or more C
    8 -C
    20 dicarboxylic acids; c) 98 to 102 mol%, with respect to components a to b, of 1,3-propanediol or 1,4-butanediol; d) 0 to 0.1 wt%, with respect to components a to c, of a chain extender or branching agent; ii) 5 to 50 wt%, with respect to the total weight of components i to ii, of polylactic acid; iii) 10 to 50 wt%, with respect to the total weight of components i to iv, of one or more mineral fillers, wherein at least one filler is chalk; iv) 0 to 2 wt%, with respect to the total weight of components i to iv, of a nutrient salt mixture containing at least two components selected from the group comprising: a cation or anion containing nitrogen, an anion containing sulfur, an anion containing phosphorous, and a cation selected from the group comprising K+, Na+, Ca2+, Mg2+, and Fe2/3+. The invention further relates to methods for producing the aforementioned items.

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