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    Copolyamides
    9.
    发明授权
    Copolyamides 有权
    共聚酰胺

    公开(公告)号：US08658724B2

    公开(公告)日：2014-02-25

    申请号：US13378980

    申请日：2010-06-15

    申请人： Christian Schmidt ,  Faissal-Ali El-Toufaili ,  Philippe Desbois ,  Raquel Fernandez Rodiles

    发明人： Christian Schmidt ,  Faissal-Ali El-Toufaili ,  Philippe Desbois ,  Raquel Fernandez Rodiles

    IPC分类号： C08K5/05

    CPC分类号： C08G69/265 ,  C08G69/14 ,  C08G69/36 ,  C08L77/02 ,  C08L77/06 ,  C09D177/02 ,  C09D177/06

    摘要： What are described are a solution comprising a terpolymer formed from the monomers of components A, B and C, the total amount of which adds up to 100% by weight, a) 5 to 60% by weight of lactams as component A, b) 5 to 60% by weight of equimolar amounts of adipic acid and one or more aliphatic diamines as component B, c) 10 to 70% by weight of equimolar amounts of adipic acid and 4,4′-diaminodicyclohexylmethane (dicycan) as component C, in an aromatics-free solvent system comprising 50 to 100% by weight of C1-4-alkanol, 0 to 50% by weight of water and not more than 10% by weight of further aromatics-free solvents, where the total amount of the solvent system adds up to 100% by weight, and a terpolymer formed from the monomers of components A, B and C, the total amount of which adds up to 100% by weight, a) 15 to 40% by weight of lactams as component A, b) 20 to 45% by weight of equimolar amounts of adipic acid and one or more aliphatic diamines as component B, c) 25 to 60% by weight of equimolar amounts of adipic acid and 4,4′-diaminodicyclohexylmethane (dicycan) as component C, excluding terpolymers formed from 30 to 40% by weight of component A, 30 to 40% by weight of component B and 30 to 40% by weight of component C.

    摘要翻译： 描述的是包含由组分A，B和C的单体形成的三元共聚物的溶液，其总量加至100重量％，a）5至60重量％的作为组分A的内酰胺，b） 5至60重量％的等摩尔量的己二酸和一种或多种脂族二胺作为组分B，c）10至70重量％的等摩尔量的己二酸和作为组分C的4,4'-二氨基二环己基甲烷（二环己烷） 在不含芳族化合物的溶剂体系中，其包含50至100重量％的C 1-4链烷醇，0至50重量％的水和不超过10重量％的其它不含芳族化合物的溶剂，其中 溶剂系统加入到100重量％，和由组分A，B和C的单体形成的三元共聚物，其总量加至100重量％，a）15至40重量％的作为组分的内酰胺 A，b）20〜45重量％的等摩尔量的己二酸和一种或多种脂族二胺作为组分B，c）25〜60重量％ 等摩尔量的己二酸和作为组分C的4,4'-二氨基二环己基甲烷（二环己烷），不包括由30至40重量％的组分A，30至40重量％的组分B和30至40重量％的组分B形成的三元共聚物， 组分C.

    Method for the production of polyamides in extruders
    10.
    发明授权
    Method for the production of polyamides in extruders 有权
    在挤出机中生产聚酰胺的方法

    公开(公告)号：US08765902B2

    公开(公告)日：2014-07-01

    申请号：US12665585

    申请日：2008-06-11

    申请人： Philippe Desbois ,  Michael Kopietz ,  Ralf Neuhaus ,  Hagen Stawitzki ,  Hans-Joachim Weis ,  Jochen Engelmann

    发明人： Philippe Desbois ,  Michael Kopietz ,  Ralf Neuhaus ,  Hagen Stawitzki ,  Hans-Joachim Weis ,  Jochen Engelmann

    IPC分类号： C08G69/28

    CPC分类号： C08G69/265 ,  B29C47/822 ,  C08G69/30

    摘要： In a process for preparing a polyamide based on dicarboxylic acids and diamines in an extruder, a solid mixture comprising a monomer mixture composed of 50 mol % of dicarboxylic acid mixture composed of from 60 to 88 % by weight of terephthalic acid and from 12 to 40% by weight of isophthalic acid, in which up to 20% by weight of the dicarboxylic acid mixture may also be replaced by other dicarboxylic acids, and 50 mol % of hexamethylenediamine which may be up to 20% by weight replaced by other C2-30-diamines, in a corotatory twin-screw extruder for a residence time of from 10 seconds to 30 minutes, is heated to a temperature in the range from 150 to 400° C. while removing steam and if appropriate diamines through venting orifices.

    摘要翻译： 在挤出机中制备基于二羧酸和二胺的聚酰胺的方法中，包含由50摩尔％的由对苯二甲酸的重量比为60-88％的二羧酸混合物和12-40的二羧酸混合物组成的单体混合物的固体混合物 重量％的间苯二甲酸，其中高达20重量％的二羧酸混合物也可以被其它二羧酸代替，并且50摩尔％的六亚甲基二胺可以被其他C2-30重量代替 - 二胺在旋转双螺杆挤出机中停留时间为10秒至30分钟，加热至150-400℃的温度，同时除去蒸汽，如果合适的话，将其加热至通过排气孔。