Removal of halides from halide-containing nitrile mixtures
    2.
    发明授权
    Removal of halides from halide-containing nitrile mixtures 失效
    从含卤素腈混合物中除去卤化物

    公开(公告)号:US6153784A

    公开(公告)日:2000-11-28

    申请号:US24457

    申请日:1998-02-17

    摘要: Halides are removed from halide-containing nitrile mixtures by(a) thermally treating the halide-containing nitrile mixture,(b) subsequently adding a base to the thermally treated nitrile mixture and(c) subsequently separating off the base from the nitrile mixture.Amines are prepared by(A) reacting alkyl halides with metal cyanides in an at least two-phase reaction medium in the presence of halide-containing phase-transfer catalysts to give alkanenitriles,(B) separating off the resulting halide-containing alkanenitrile mixture phase and(C) further treating the halide-containing alkanenitrile mixture phase, as described in the stages(a)-(c) removing halides from halide-containing nitrile mixtures and(d) hydrogenating nitrites obtained in stage (c) to give amines, in the presence of suspended or fixed-bed catalysts.

    摘要翻译: 通过(a)热处理含卤素腈混合物,(b)随后向经热处理的腈混合物中加入碱,和(c)随后将腈与腈混合物分离,从卤化物腈混合物中除去卤化物。 胺通过(A)在卤化物相转移催化剂存在下在至少两相反应介质中将烷基卤与金属氰化物反应得到烷腈,(B)将所得的含卤素的烷腈混合物相分离 (C)进一步处理含卤化物的腈腈混合物相,如步骤(a) - (c)所述从卤化物腈混合物中除去卤化物,和(d)氢化阶段(c)中得到的亚硝酸盐,得到胺, 在悬浮或固定床催化剂存在下。

    Device for connecting components with various electrical potentials and subject to vibration
    4.
    发明授权
    Device for connecting components with various electrical potentials and subject to vibration 失效
    用于连接具有各种电位并受振动的部件的装置

    公开(公告)号:US06722907B2

    公开(公告)日:2004-04-20

    申请号:US10239108

    申请日:2002-09-19

    IPC分类号: H01R13627

    CPC分类号: H02K5/24 H02K11/33

    摘要: The invention concerns a device for connecting vibrating components having different electric potentials, in particular for connecting a stator housing (8) for an electric motor (1) with a housing (4) for control electronics (6) inside a clutch actuator of a motor vehicle, containing electrical contact means (30) for establishing an electrically conductive connection between the components, and means (26) for establishing its mechanical connection. The invention provides that the means for establishing the mechanical connection have at least one plastic ring (26) held in an opening (16) of a first component (2, 4, 6) and a neck-shaped attachment segment (14) formed in a second component (1, 8), whereby, by pushing the neck-shaped attachment segment (14) of the second component (1, 8) into the opening (16) of the first component (2, 4, 6), the plastic ring (26) can be compressed in the radial direction, forming a non-positive connection between the two components, and, simultaneously, the electrical contact means (30) can be engaged with each other.

    摘要翻译: 本发明涉及用于连接具有不同电位的振动部件的装置,特别是用于将用于电动机(1)的定子壳体(8)与电动机的离合器致动器内的控制电子装置(6)连接的壳体(4) 车辆,包含用于在所述部件之间建立导电连接的电接触装置(30),以及用于建立其机械连接的装置(26)。本发明提供用于建立机械连接的装置具有至少一个塑料环(26) 保持在形成在第二部件(1,8)中的第一部件(2,4,6)和颈部附接部分(14)的开口(16)中,由此通过将颈部附接部分 第二部件(1,8)的第二部件(14)插入到第一部件(2,4,6)的开口(16)中,塑料环(26)可以沿径向方向被压缩,从而在第二部件 两个组成部分,同时, 电接触装置(30)可彼此接合。

    Catalyst and method for the production of polytetrahydrofuran
    5.
    发明授权
    Catalyst and method for the production of polytetrahydrofuran 失效
    用于生产聚四氢呋喃的催化剂和方法

    公开(公告)号:US06362312B1

    公开(公告)日:2002-03-26

    申请号:US09529180

    申请日:2000-04-10

    IPC分类号: C07C4311

    摘要: In a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters thereof comprises polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer over an acid-activated calcium montmorillonite as catalyst, the calcium montmorillonite has a BET surface area of at least 300 m2/g, an acidity of at least 0.02 mmol/g at pKa

    摘要翻译: 在制备聚四氢呋喃的方法中,聚四氢呋喃共聚物或二酯或其单酯包括在至少一种前体和/或共聚单体存在下,在酸活化的钙蒙脱石作为催化剂上聚合四氢呋喃,所述钙蒙脱石的BET表面积至少为 300m 2 / g,在pKa <3时酸度至少为0.02mmol / g,孔径在30至200之间的孔体积至少为0.40cm 3 / g。

    Method for producing polytetrahydrofuran with low color index
    6.
    发明授权
    Method for producing polytetrahydrofuran with low color index 失效
    低颜色指数聚四氢呋喃的制备方法

    公开(公告)号:US06197979B1

    公开(公告)日:2001-03-06

    申请号:US09485459

    申请日:2000-02-10

    IPC分类号: C07D30793

    CPC分类号: C08G65/20 B01J23/24

    摘要: In a process for preparing polytetrahydrofuran, tetrahydrofuran copolymers, diesters or monoesters of these polymers having a low color number by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer over a heterogeneous catalyst, the polymerization is carried out in the presence of hydrogen.

    摘要翻译: 在通过在非均相催化剂的存在下,在至少一种环糊精和/或共聚单体的存在下通过四氢呋喃聚合而制备聚四氢呋喃的这些聚合物的四氢呋喃共聚物,二酯或单酯具有低色数的聚合反应在存在下进行 的氢。

    N-alkylation of amines
    7.
    发明授权
    N-alkylation of amines 失效
    胺的N-烷基化

    公开(公告)号:US5917039A

    公开(公告)日:1999-06-29

    申请号:US34276

    申请日:1998-03-04

    摘要: In a process for the N-alkylation of amines in which alcohols are reacted with alkylamines or dialkylamines in the presence of hydrogen, the reaction takes place on a catalyst based on copper and magnesium silicate and containing, in each case independently, 0 to 2% by weight of BaO, Cr.sub.2 O.sub.3 and/or ZnO. The amines employed are mono- or dimethylamine or mono- or diethylamine, the alcohols employed are .alpha.,.omega.-diols, in particular diethylene glycol or pentanediol. In particular there is reaction of diethylene glycol with monomethylamine and/or monoethylamine to give N-methylmorpholine and/or N-ethylmorpholine.

    摘要翻译: 在其中醇与烷基胺或二烷基胺在氢存在下反应的胺的N-烷基化方法中,反应在基于铜和硅酸镁的催化剂上进行,并且在每种情况下独立地含有0至2% 的BaO,Cr 2 O 3和/或ZnO。 所使用的胺是单胺或二甲胺或单或二乙胺,所用的醇是α,ω-二醇,特别是二甘醇或戊二醇。 特别是二甘醇与单甲胺和/或单乙胺反应得到N-甲基吗啉和/或N-乙基吗啉。

    Preparation of 3-arylacrylic acids and their derivatives
    9.
    发明授权
    Preparation of 3-arylacrylic acids and their derivatives 失效
    3-芳基丙烯酸及其衍生物的制备

    公开(公告)号:US5359122A

    公开(公告)日:1994-10-25

    申请号:US193872

    申请日:1994-02-08

    CPC分类号: C07C59/64 C07C57/44 C07C67/46

    摘要: The preparation of 3-arylacrylic acids and their derivatives I ##STR1## where Ar is aryl which can additionally have substituents which do not react with ketene and are stable under the conditions of the reaction described below, andR.sup.1 is hydrogen, an alkali metal, an alkaline earth metal, ammonium or C.sub.1 -C.sub.20 -alkyl,comprises a first stage in which a dialkyl acetal of an aromatic aldehyde of the formula II ##STR2## where R.sup.2 is C.sub.1 -C.sub.4 -alkyl, is reacted with ketene of the formula CH.sub.2 .dbd.C.dbd.O in the presence of catalytic amounts of a protic or Lewis acid to give a 3-arylpropionic acid derivative of the formula III ##STR3## and a second stage in which this intermediate III is reacted in the presence of acid or base and, in the case where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, additionally with a C.sub.1 -C.sub.20 -alkanol to give the final product I.

    摘要翻译: 3-芳基丙烯酸及其衍生物的制备I(I)其中Ar是可以另外具有不与乙烯酮反应并且在下述反应条件下稳定的取代基的芳基,R 1是氢, 碱金属,碱土金属,铵或C 1 -C 20烷基,包括其中R 2为C 1 -C 4 - 烷基的式II的芳族醛的二烷基缩醛反应的第一阶段 在催化量的质子或路易斯酸存在下,式CH 2 = C = O的烯酮,得到式III的3-芳基丙酸衍生物(III),其中该中间体III为 在酸或碱的存在下反应,在R1为C1-C20烷基的情况下,另外加入C1-C20链烷醇,得到最终产物I.

    Preparation of haloalcohols
    10.
    发明授权
    Preparation of haloalcohols 失效
    卤代醇的制备

    公开(公告)号:US5237113A

    公开(公告)日:1993-08-17

    申请号:US973553

    申请日:1992-11-09

    IPC分类号: C07C29/62

    CPC分类号: C07C29/62

    摘要: Haloalcohols of the general formula IHal--X--OH (I)where X is straight-chain or branched, substituted or unsubstituted alkylene of 4 or more carbon atoms in the chain, which may be interrupted by one or more heteroatoms, and Hal is halogen, are prepared by reacting a diol of the general formula IIHO--X--OH (II)where X has the above meanings, with an aqueous hydrogen halide solution in a water-immiscible organic solvent which is inert under the reaction conditions, at from 50.degree. to 150.degree. C., using an excess of hydrogen halide, based on the diol of the general formula II, of from 10 to 200 mole percent and setting a volume ratio of inorganic phase: organic phase of from 1:2 to 1:50.

    摘要翻译: 通式I Hal-X-OH(I)的卤代醇,其中X是链中4个或更多个碳原子的直链或支链,取代或未取代的亚烷基,其可被一个或多个杂原子间隔,Hal是 卤素,通过使具有上述含义的通式II HO-X-OH(II)的二醇与卤化氢水溶液在反应条件下为惰性的水不混溶的有机溶剂中,在 从50℃至150℃,使用过量的基于通式II的二醇的卤化氢为10至200摩尔%,并将无机相:有机相的体积比为1:2设定为 1:50。