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    Continuous method for producing polyamides from aminonitriles
    2.
    发明授权
    Continuous method for producing polyamides from aminonitriles 失效
    从氨腈生产聚酰胺的连续方法

    公开(公告)号：US06815527B2

    公开(公告)日：2004-11-09

    申请号：US10332579

    申请日：2003-01-10

    申请人： Peter Bassler ,  Helmut Winterling ,  Rolf-Hartmuth Fischer ,  Wolfgang Loth

    发明人： Peter Bassler ,  Helmut Winterling ,  Rolf-Hartmuth Fischer ,  Wolfgang Loth

    IPC分类号： C08G6904

    CPC分类号： C08G69/04 ,  C08G69/08 ,  C08G69/16

    摘要： The continuous process for preparing a polyamide by reacting at least one aminonitrile with water comprises: (1) reacting at least one aminonitrile with water in the presence of an organic liquid diluent at from 90 to 400° C. and from 0.1 to 35×106 Pa in a flow tube containing a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, to obtain a reaction mixture, (2) further reacting the reaction mixture at from 150 to 400° C. and a pressure which is lower than the pressure in stage 1 in the presence of a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, the temperature and pressure being selected so as to obtain a first gas phase and a first liquid phase or a first solid phase or a mixture of first solid and first liquid phases and so that the first gas phase is separated from the first liquid phase or first solid phase or from the mixture of first liquid and first solid phases, and (3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phases with a gaseous or liquid phase comprising water at from 150 to 370° C. and from 0.1 to 30×106 Pa, to obtain a product mixture.

    摘要翻译： 通过使至少一种氨基腈与水反应制备聚酰胺的连续方法包括：（1）在有机液体稀释剂存在下，在90至400℃和0.1至35×10 6时使至少一种氨基腈与水反应 在含有选自β-沸石催化剂，片状硅酸盐催化剂或二氧化钛催化剂的布朗斯台德酸催化剂的流动管中包含70至100重量％的锐钛矿和0至30重量％的金红石和 其中高达40重量％的二氧化钛可以被氧化钨代替，以获得反应混合物，（2）使反应混合物在150-400℃下进一步反应，并且压力低于压力 在选自β-沸石催化剂，片状硅酸盐催化剂或二氧化钛催化剂的布朗斯台德酸催化剂存在下，其包含70至100重量％的锐钛矿和0至30重量％的金红石，以及 其中高达40％的重量 二氧化钛可以被氧化钨代替，选择温度和压力以获得第一气相和第一液相或第一固相或第一固相和第一液相的混合物，使得第一气相 与第一液相或第一固相或第一液相和第一固相的混合物分离，和（3）将第一液体或第一固相或第一液相和第一固相的混合物与气体或 液相，其包含150至370℃和0.1至30×10 6 Pa的水，以获得产物混合物。

    Polyamide
    3.
    发明授权
    Polyamide 有权
    聚酰胺

    公开(公告)号：US06958381B2

    公开(公告)日：2005-10-25

    申请号：US10416466

    申请日：2001-11-22

    申请人： Helmut Winterling ,  Michael Fischer

    发明人： Helmut Winterling ,  Michael Fischer

    IPC分类号： C08G69/00 ,  C08G69/04 ,  C08G69/16 ,  C08G69/28 ,  C08G69/08

    CPC分类号： C08G69/16 ,  C08G69/04 ,  C08G69/28

    摘要： A process for preparing polyamides comprises polymerizing starting monomers in the presence of from 2.3 to 10 mmol, based on 1 mol of carboxamide group of the polyamide, of a chain regulator containing a nitrile group and a functional group capable of forming a carboxamide group.

    摘要翻译： 制备聚酰胺的方法包括在2.3至10mmol存在下，基于1摩尔聚酰胺的羧酰胺基，含有腈基和能够形成羧酰胺基的官能团的链调节剂聚合起始单体。

    Polyamides
    4.
    发明授权
    Polyamides 有权
    聚酰胺

    公开(公告)号：US08268955B2

    公开(公告)日：2012-09-18

    申请号：US10531225

    申请日：2003-10-28

    申请人： Helmut Winterling ,  Jürgen Demeter ,  Kurt Krempel

    发明人： Helmut Winterling ,  Jürgen Demeter ,  Kurt Krempel

    IPC分类号： C08G69/08

    CPC分类号： C08G69/02 ,  C08G69/48

    摘要： Polyamide containing a compound which bears at least one hydroxy group and has chemical bonding by way of an amide group to the end of the polymer chain, process for preparing this polyamide, and also fibers, films, and moldings, comprising at least one such polyamide.

    摘要翻译： 含有至少一个羟基并通过酰胺基化学键合到聚合物链末端的化合物的聚酰胺，以及制备该聚酰胺的方法，以及包含至少一种这样的聚酰胺的纤维，膜和模制品 。

    Method for the production of polyamides
    6.
    发明授权
    Method for the production of polyamides 失效
    生产聚酰胺的方法

    公开(公告)号：US06703476B2

    公开(公告)日：2004-03-09

    申请号：US10168955

    申请日：2002-06-24

    申请人： Ralf Mohrschladt ,  Helmut Winterling ,  Dieter Krauss

    发明人： Ralf Mohrschladt ,  Helmut Winterling ,  Dieter Krauss

    IPC分类号： C08G6908

    CPC分类号： C08G69/28 ,  C08G69/04

    摘要： Polyamides are prepared from aminonitriles and water by (1) reacting the aminonitriles with water at from 180 to 350° C. and such a pressure in the range from 30 to 120 bar that a gaseous phase is present as well as a liquid phase, in a first reaction stage, (2) expanding the reaction mixture obtained in the first reaction stage via an evaporator zone or adiabatically with removal of water and ammonia into a second reaction stage, and (3) postcondensing in the second reaction stage at from 0.1 mbar to 5 bar and from 230 to 320° C.

    摘要翻译： 聚酰胺由氨基腈和水制备，（1）使氨基腈与180至350℃的水反应，并且在30至120巴的范围内使气态物质以及液相存在， 第一反应阶段，（2）通过蒸发器区域在第一反应阶段中获得的反应混合物膨胀，或者绝热除去水和氨进入第二反应阶段，和（3）在第二反应阶段在0.1毫巴 至5巴和230至320℃

    Method for producing polyamides
    9.
    发明申请
    Method for producing polyamides 审中-公开
    生产聚酰胺的方法

    公开(公告)号：US20060235191A1

    公开(公告)日：2006-10-19

    申请号：US10550491

    申请日：2004-03-19

    申请人： Jürgen Deininger ,  Jürgen Demeter ,  Gad Kory ,  Oliver Sötje ,  Helmut Winterling ,  Peter Zehner ,  Michael Heeger ,  Martin Gann ,  Axel Polt ,  Ulrich Treuling ,  Werner Weinle

    发明人： Jürgen Deininger ,  Jürgen Demeter ,  Gad Kory ,  Oliver Sötje ,  Helmut Winterling ,  Peter Zehner ,  Michael Heeger ,  Martin Gann ,  Axel Polt ,  Ulrich Treuling ,  Werner Weinle

    IPC分类号： C08G69/08

    CPC分类号： C08G69/04 ,  C08G69/28

    摘要： Polyamides, oligomers thereof or mixtures thereof, if required with further reaction products, are prepared by reacting aminonitriles or dinitriles and diamines or a mixture containing aminonitrile, dinitrile and diamine, and, if required, further polyamide-forming monomers and/oligomers with water in a reactor (1) having a vertically oriented longitudinal axis, by a process in which, in the reactor (1), the reaction product is removed from the bottom and ammonia formed and any further low molecular weight compounds formed and water are taken off via the top (2), wherein the reactor (1) has at least two chambers (4) arranged one on top of the other in the longitudinal direction, the chambers (4) being separated from one another by liquid-tight trays (5), each chamber (4) being connected by a liquid overflow (6) to the chamber (4) directly underneath and a liquid product stream being taken off by the liquid overflow (6) of the lowermost chamber (4), the gas space (7) above the liquid level in each chamber (4) being connected to the chamber (4) arranged directly above in each case by one or more conduit pipes (8) which in each case opens or open into a gas distributor (9) having orifices (11) for gas exit below the liquid level, and comprising in each case at least one baffle plate (12) which is arranged vertically around each gas distributor (9) and whose upper end terminates below the liquid level and whose lower end terminates above the liquid-tight tray (5) of the chamber (4) and which separates each chamber (4) into one or more gassed (13) and into one or more ungassed (14) spaces.

    摘要翻译： 如果需要，聚酰胺，其低聚物或其混合物，如果需要与其他反应产物反应，可通过氨基腈或二腈和二胺或含有氨基腈，二腈和二胺的混合物，以及如果需要，将另外的聚酰胺形成单体和/ 反应器（1）具有垂直取向的纵向轴线，其中在反应器（1）中将反应产物从底部除去并形成氨，并且形成的任何进一步的低分子量化合物和水通过 所述顶部（2），其中所述反应器（1）具有在纵向方向上一个在另一个上方布置的至少两个室（4），所述室（4）通过液密盘（5）彼此分离， ，每个室（4）通过液体溢流（6）直接在下面连接到室（4），并且液体产物流被最下室（4）的液体溢流（6）取出，气体空间 每个腔室（4）中的液位高于每个壳体（4）的腔室（4），其通过一个或多个在每种情况下打开或打开到气体分配器（9）的导管（8）直接布置在每个壳体的上方， 具有用于气体在液面以下排出的孔口（11），并且在每种情况下包括至少一个挡板（12），所述挡板（12）围绕每个气体分布器（9）垂直布置，并且其上端终止于液面以下，并且其下端 在室（4）的液密盘（5）上方，并将每个室（4）分成一个或多个充气（13）并分成一个或多个无气（14）空间。