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    Manufacturing process for aminoalkyl silanes
    1.
    发明授权
    Manufacturing process for aminoalkyl silanes 有权
    氨基烷基硅烷的制备方法

    公开(公告)号：US06423858B1

    公开(公告)日：2002-07-23

    申请号：US09991965

    申请日：2001-11-26

    申请人： Christoph Schwarz ,  Frank Kropfgans ,  Hartwig Rauleder ,  Hermann-Josef Korte

    发明人： Christoph Schwarz ,  Frank Kropfgans ,  Hartwig Rauleder ,  Hermann-Josef Korte

    IPC分类号： C07F710

    CPC分类号： C07F7/1892 ,  C07F7/20

    摘要： Aminoalkylsilanes of formula I: R1R2N—(CH2)y—Si(OR3)3−nR4n  (I), wherein R1 and R2 are each independently, identical of different, hydrogen, aryl, arylalkyl or C1-4-alkyl; R3 and R4 are each independently, identical or different, C1-8-alkyl or aryl; y is 2, 3 or 4 and n is 0 or 1, 2 or 3, are prepared by a process comprising: reacting an organosilane of formula II: X—(CH2)y—Si(OR3)3−nR4n  (II), wherein X is Cl, Br, I or F; and R3, R4, y and n are each as defined above with ammonia or an organic amine compound of the formula: HNR1R2  (III),  wherein R1 and R2 are each as defined above with at least one of R1 and R2 not being hydrogen in a liquid phase; evaporating ammonia or organic amine under reduced pressure while ammonium chloride or aminohydrochloride by-products, produced in the reaction of the first step, remains dissolved in the liquid phase; transferring the product mixture after said evaporation to another vessel operated at a lower pressure level of than the second stage, and allowing ammonium chloride or aminohydrochloride to crystallize; separating the crystalline ammonium chloride or aminohydrochloride from the crude product; and distilling the crude product to produce purified aminoalkylsilane product.

    摘要翻译： 式I的氨基烷基硅烷：其中R 1和R 2各自独立地为不同的氢，芳基，芳基烷基或C 1-4 - 烷基; R 3和R 4各自独立地，相同或不同，C 1-8 - 烷基或芳基; y为2,3或4，n为0或1,2或3的方法包括：使式II的有机硅烷：其中X为Cl，Br，I或F; R 3，R 4，y和n各自如上所定义，与氨或下式的有机胺化合物：其中R 1和R 2各自如上所定义，R 1和R 2中的至少一个在液相中不是氢;蒸发氨 或有机胺，同时在第一步骤的反应中产生的氯化铵或氨基盐酸盐副产物保持溶于液相;将所述蒸发之后的产物混合物转移到在低于 第二阶段，使氯化铵或氨基盐酸盐结晶;将结晶氯化铵或氨基盐酸盐与粗产物分离; 并将粗产物蒸馏以产生纯化的氨基烷基硅烷产物。

    Process for preparing low-chloride or chloride-free alkoxysilanes
    4.
    发明授权
    Process for preparing low-chloride or chloride-free alkoxysilanes 有权
    制备低氯化物或无氯化物的烷氧基硅烷的方法

    公开(公告)号：US06150551A

    公开(公告)日：2000-11-21

    申请号：US432802

    申请日：1999-11-03

    申请人： Frank Kropfgans ,  Hartwig Rauleder

    发明人： Frank Kropfgans ,  Hartwig Rauleder

    IPC分类号： C07F7/04 ,  C07F7/18 ,  C07F7/08

    CPC分类号： C07F7/188 ,  C07F7/045

    摘要： A process for preparing an alkoxysilane with an acidic chloride content of less than 10 ppm by weight, comprising:reacting a chlorosilane with an alcohol in a water-free and solvent-free phase to form a product mixture containing alkoxysilane and residual acidic chloride, with removal of resultant hydrogen chloride from the product mixture,then adding liquid or gaseous ammonia, in an amount corresponding to a stoichiometric excess, based on the content of acidic chloride, to form an ammonia-containing product mixture,treating the ammonia-containing product mixture at a temperature between 10 and 50.degree. C., wherein the ammonia and acidic chloride undergo neutralization, to form a crude product, and optionally, then separating off a salt formed in the course of neutralization, from the crude product, andrecovering the alkoxysilane by distilling the crude product.

    摘要翻译： 一种制备酸性氯化物含量小于10重量ppm的烷氧基硅烷的方法，包括：在无水和无溶剂相中使氯代硅烷与醇反应，形成含有烷氧基硅烷和残余酸性氯化物的产物混合物， 从产物混合物中除去生成的氯化氢，然后加入相当于化学计量过量的液体或气态氨，基于酸性氯化物的含量，形成含氨产物混合物，处理含氨产物混合物 在10至50℃的温度下，其中氨和酸性氯化物进行中和，以形成粗产物，并且任选地将其在中和过程中从粗产物中分离出来，并回收烷氧基硅烷 通过蒸馏粗产物。

    Cleavage of cyclic organosilanes in the preparation of aminofunctional organoalkoxysilanes
    5.
    发明授权
    Cleavage of cyclic organosilanes in the preparation of aminofunctional organoalkoxysilanes 失效
    在制备氨基官能有机烷氧基硅烷时循环有机硅烷的裂解

    公开(公告)号：US06750361B2

    公开(公告)日：2004-06-15

    申请号：US10159122

    申请日：2002-06-03

    申请人： Frank Kropfgans ,  Hartwig Rauleder

    发明人： Frank Kropfgans ,  Hartwig Rauleder

    IPC分类号： C07F700

    CPC分类号： C07F7/1892

    摘要： An aminofunctional organoalkoxysilane of formula I R2N—(CH2)y—Si(OR1)3−nR2n  (I), wherein the R groups bonded to nitrogen are identical or different and each individual R group is hydrogen, an alkyl radical having from 1 to 4 carbon atoms, an aryl radical or an arylalkyl radical, R1 is an alkyl radical having from 1 to 8 carbon atoms or an aryl radical, R2 is an alkyl radical having from 1 to 8 carbon atoms or an aryl radical, y is 2, 3 or 4 and n is 0, 1 or 2, is prepared by a process comprising: reacting a chlorofunctional organoalkoxysilane of formula II Cl—(CH2)y—Si(OR1)3−nR2n  (II), wherein R1, R2, y and n are as defined above, with ammonia or an organic amine of formula III HNR2  (III), wherein the two R groups are identical or different and each is defined as described above; separating organic amine hydrochloride or ammonium chloride by-product which is formed in the reaction; distilling the resulting crude product, thereby preparing an aminofunctional organoalkoxysilane or the product fraction of an aminofunctional organoalkoxysilane; and treating the aminofunctional organoalkoxysilane or the product fraction of an aminofunctional organoalkoxysilane with an alcohol.

    摘要翻译： 在与氮键合的R基团中的式I的氨基官能有机烷氧基硅烷是相同或不同的，每个单独的R基团是氢，具有1至4个碳原子的烷基，芳基或芳基烷基，R 1是烷基 具有1至8个碳原子的基团或芳基，R 2是具有1至8个碳原子的烷基或芳基，y为2,3或4，n为0,1或2，为 通过以下方法制备，该方法包括：使式II的氯官能有机烷氧基硅烷，其中R 1，R 2，y和n如上定义，与氨或式III的有机胺反应，其中两个R基团相同或不同， 定义如上所述;分离在反应中形成的有机胺盐酸盐或氯化铵副产物;蒸馏所得粗产物，从而制备氨基官能有机烷氧基硅烷或氨基官能有机烷氧基硅烷的产物级分; 用醇将氨基官能的有机烷氧基硅烷或氨基官能的有机烷氧基硅烷的产物级分加成。

    Process for preparing alkoxysilanes
    6.
    发明授权
    Process for preparing alkoxysilanes 有权
    制备烷氧基硅烷的方法

    公开(公告)号：US06242628B1

    公开(公告)日：2001-06-05

    申请号：US09435468

    申请日：1999-11-08

    申请人： Frank Kropfgans ,  Hartwig Rauleder ,  Reinhold Schork

    发明人： Frank Kropfgans ,  Hartwig Rauleder ,  Reinhold Schork

    IPC分类号： C07F718

    CPC分类号： C07F7/188 ,  C07F7/045

    摘要： Alkoxysilanes are prepared by a process, comprising: (i) reacting a chlorosilane with an alcohol in a water-free and solvent free phase with removal of the liberated hydrogen chloride; (ii) transferring the resultant product mixture into a liquid phase to be distilled and adding a metal alcoholate to the product mixture in the liquid at a temperature in the range from 10-60° C., and thoroughly mixing the neutralized product mixture, said alcoholate being employed in an equimolar amount or in a stoichiometric excess based on the amount of acidic chloride, and (iii) purifying the treated product mixture by distillation under reduced pressure, thereby preparing alkoxysilanes which are low in acidic chloride or essentially free of acidic chloride.

    摘要翻译： 通过一种方法制备烷氧基硅烷，其包括：（i）在无水溶剂和无溶剂相中使氯硅烷与醇反应，除去所释放的氯化氢;（ii）将所得产物混合物转移到待蒸馏的液相中 并在10-60℃的温度下向液体中的产物混合物中加入金属醇化物，并将中和的产物混合物充分混合，所述醇化物以等摩尔量或以化学计量过量使用，基于 酸性氯化物的量，（iii）通过减压蒸馏纯化处理过的产物混合物，从而制备酸性氯酸盐或基本上不含酸性氯化物的烷氧基硅烷。