Continuous process for preparing silanes and siloxanes having SiOC groups
    2.
    发明授权
    Continuous process for preparing silanes and siloxanes having SiOC groups 失效
    制备具有SiOC基团的硅烷和硅氧烷的连续工艺

    公开(公告)号:US4298753A

    公开(公告)日:1981-11-03

    申请号:US209447

    申请日:1980-11-24

    CPC分类号: C07F7/188 C08G77/06

    摘要: A continuous process for preparing silanes and siloxanes having SiOC groups which comprises (a) introducing in a liquid phase a chlorosilane and a hydroxyl-containing aliphatic compound in parallel flow into a first stage of a first reactor in an amount such that from 0.5 to 0.9 gram-mole of hydroxyl group is present per gram-atom of Si-bonded chlorine; (b) removing the liquid reaction mixture from the first reactor; (c) introducing the reaction mixture at the head of a column used as the second reactor which is maintained at an elevated temperature; (d) adding a hydroxyl-containing aliphatic compound as a gas at the lower end of the column or at a point between the lower end and the upper end of the lower one-third of the column, in an amount at least sufficient to completely react with the Si-bonded chlorine present in the reaction mixture obtained from the first stage and (e) removing the silane containing SiOC groups or polysiloxane containing SiOC groups from the column at a point below the point of addition of the hydroxyl-containing aliphatic compound.

    摘要翻译: 一种用于制备具有SiOC基团的硅烷和硅氧烷的连续方法,其包括(a)以液相方式将氯硅烷和含羟基的脂族化合物平行流入第一反应器的第一阶段,其量使得为0.5至0.9 每克原子的硅键合氯存在克分子的羟基; (b)从第一反应器中除去液体反应混合物; (c)将反应混合物引入用作第二反应器的柱头,保持在升高的温度; (d)在柱的下端或在塔的下三分之一的下端和上端之间的点处加入含羟基的脂族化合物作为气体,其量至少足以完全 与从第一阶段获得的反应混合物中存在的Si键合的氯反应,和(e)在含羟基的脂族化合物的加入点以下的点从塔中除去含有SiOC基团的含硅烷的硅烷或聚硅氧烷 。

    Process for the preparation of organosilicon compounds
    4.
    发明授权
    Process for the preparation of organosilicon compounds 失效
    制备有机硅化合物的方法

    公开(公告)号:US4276426A

    公开(公告)日:1981-06-30

    申请号:US98005

    申请日:1979-11-28

    摘要: This invention relates to the preparation of organosilicon compounds by the addition of a silicon compound containing Si-bonded hydrogen to a compound having an aliphatic multiple bond in the presence of a catalyst which promotes the addition of Si-bonded hydrogen to compounds containing an aliphatic multiple bond. In this process the reactants and the catalyst are continuously introduced into a pipe-shaped reactor while the contents of the reactor, which are maintained in a liquid phase by the application of pressure are circulated in the reactor at a rate of at least 1,000 cm per minute and while the reaction mixture is continuously being removed from the reactor.

    摘要翻译: 本发明涉及有机硅化合物的制备,其中在催化剂存在下,通过加入含有Si键合氢的硅化合物至具有脂肪族多重键的化合物,该催化剂促进将Si键合的氢加成到含有脂族多元素的化合物 键。 在该方法中,将反应物和催化剂连续地引入管状反应器中,同时通过施加压力保持在液相中的反应器的内容物在反应器中以至少1000cm 3的速率循环 同时反应混合物连续地从反应器中除去。

    Process for preparing linear organopolysiloxanes having Si-H groups
    5.
    发明授权
    Process for preparing linear organopolysiloxanes having Si-H groups 有权
    制备具有Si-H基团的线性有机聚硅氧烷的方法

    公开(公告)号:US07396894B2

    公开(公告)日:2008-07-08

    申请号:US11109344

    申请日:2005-04-19

    IPC分类号: C08G77/12

    CPC分类号: C08G77/12

    摘要: The invention provides a process for preparing linear organopolysiloxanes (P) having diorganosiloxy units and Si—H groups, in which, in a first step, diorganodichlorosilanes (A) and monochlorosilanes (B) and optionally dichlorosilanes (C), at least one of the monochlorosilanes (B) or dichlorosilanes (C) containing Si—H groups, are reacted with at most 0.5 mol of water per mole of hydrolyzable chlorine to give a partial hydrolyzate (T) and gaseous hydrogen chloride, and, in a second step, the SiCl groups still present in the partial hydrolyzate (T) are removed by treating with water to form hydrochloric acid, and a hydrolyzate (H) containing the organopolysiloxanes (P) is obtained.

    摘要翻译: 本发明提供一种制备具有二有机甲硅烷氧基单元和Si-H基团的线性有机聚硅氧烷(P)的方法,其中在第一步中,二有机二氯硅烷(A)和一氯硅烷(B)和任选的二氯硅烷(C),至少一种 含有Si-H基团的单氯硅烷(B)或二氯硅烷(C)与每摩尔可水解氯至多0.5摩尔水反应,得到部分水解产物(T)和气态氯化氢,在第二步中 仍然存在于部分水解产物(T)中的SiCl基团通过用水处理以除去,形成盐酸,得到含有有机聚硅氧烷(P)的水解产物(H)。

    Process for preparing methylhydrogenpolysiloxanes having trimethylsilyl
end groups
    6.
    发明授权
    Process for preparing methylhydrogenpolysiloxanes having trimethylsilyl end groups 有权
    制备具有三甲基甲硅烷基端基的甲基氢聚硅氧烷的方法

    公开(公告)号:US6143912A

    公开(公告)日:2000-11-07

    申请号:US318412

    申请日:1999-05-25

    IPC分类号: C08G77/06 C08G77/12

    CPC分类号: C08G77/12

    摘要: A process for preparing methylhydrogenpolysiloxanes having trimethylsilyl end groups wherein, in a first step, methyldichlorosilane and trimethylchlorosilane are reacted with at most 0.5 mol of water per mole of hydrolyzable chlorine to give a partial hydrolysate and gaseous hydrogen chloride and, in a second step, the partial hydrolysate, to remove the SiCl groups still present, is treated with water, forming hydrochloric acid.

    摘要翻译: 一种制备具有三甲基甲硅烷基端基的甲基氢聚硅氧烷的方法,其中在第一步中,甲基二氯硅烷和三甲基氯硅烷与每摩尔可水解氯至多0.5摩尔水反应,得到部分水解产物和气态氯化氢,并且在第二步中 部分水解产物,以除去仍然存在的SiCl基团,用水处理,形成盐酸。

    Process for the preparation of alkylsilanes with bulky alkyl radicals
    7.
    发明授权
    Process for the preparation of alkylsilanes with bulky alkyl radicals 有权
    用于制备具有大体积烷基的烷基硅烷的方法

    公开(公告)号:US06169196A

    公开(公告)日:2001-01-02

    申请号:US09493396

    申请日:2000-01-28

    IPC分类号: C07F708

    CPC分类号: C07F7/14

    摘要: A process for the preparation of di- and trialkylsilanes of the general formula (I) RaR1bSiXc  (I), in which mono- or dialkylsilanes of the general formula (II) R1bSiHaXc  (II) are reacted with alkenes A which have at least 3 carbon atoms and are optionally substituted by fluorine, chlorine or bromine atoms or cyano groups, in the presence of a transition metal catalyst and a trihalogenosilane of the general formula (III) R2SiY3  (III) as an activator, wherein, in the above general formulae (I) to (III), R is a branched or cyclic hydrocarbon radical having at least 3 carbon atoms, optionally substituted by fluorine, chlorine, or bromine, or cyano groups, R1 is an alkyl radical optionally substituted by fluorine, chlorine, or bromine, or cyano groups, R2 is a hydrogen atom, or an alkyl radical optionally substituted by fluorine, chlorine, or bromine, or cyano groups, X is fluorine, chlorine, or bromine, or an alkoxy radical having 1 to 18 carbon atoms optionally substituted by fluorine, chlorine, or bromine, or cyano groups, Y is fluorine, chlorine or bromine, a is 1 or 2, b is 1 or 2, and c is 1 or 2.

    摘要翻译: 制备通式(I)的二 - 和三烷基硅烷的方法,其中通式(II)的单 - 或二烷基硅烷与具有至少3个碳原子且任选被氟,氯或氯原子取代的烯烃A反应 溴原子或氰基,在过渡金属催化剂和通式(III)的三卤代硅烷的存在下作为活化剂,其中在上述通式(I)至(III)中,R是支链或环状烃 具有至少3个碳原子的基团,任选被氟,氯或溴或氰基取代,R 1是任选被氟,氯或溴或氰基取代的烷基,R 2是氢原子或烷基 任选被氟,氯或溴或氰基取代的基团,X是氟,氯或溴,或具有任选被氟,氯或溴或氰基取代的具有1至18个碳原子的烷氧基,Y是 氟,c 芴或溴,a为1或2,b为1或2,c为1或2。

    Method for producing OH-terminal organo hydrogen polysiloxanes
    8.
    发明授权
    Method for producing OH-terminal organo hydrogen polysiloxanes 有权
    生产OH-末端有机氢聚硅氧烷的方法

    公开(公告)号:US07655811B2

    公开(公告)日:2010-02-02

    申请号:US12088967

    申请日:2006-09-29

    IPC分类号: C07F7/00

    CPC分类号: C08G77/12

    摘要: Hydroxyl-terminal organopolysiloxanes having diorganosiloxy groups and Si—H groups are prepared by reacting the appropriate chlorosilanes with less than 0.5 mol water per mol of hydrolyzable chlorine in a first step and recovering gaseous HCl, and more fully hydrolyzing with additional water in a second step.

    摘要翻译: 具有二有机甲硅烷氧基和Si-H基团的羟基末端有机聚硅氧烷是通过在第一步骤中使合适的氯硅烷与小于0.5mol水/ mol可水解氯反应制备的,并回收气态HCl,并在第二步中用额外的水进一步完全水解 。

    Method for Producing Oh-Terminal Organic Hydrogen Polysiloxanes
    10.
    发明申请
    Method for Producing Oh-Terminal Organic Hydrogen Polysiloxanes 有权
    生产OH末端有机氢聚硅氧烷的方法

    公开(公告)号:US20080269453A1

    公开(公告)日:2008-10-30

    申请号:US12088967

    申请日:2006-09-29

    IPC分类号: C08G77/12

    CPC分类号: C08G77/12

    摘要: Hydroxyl-terminal organopolysiloxanes having diorganylsiloxy [diorganosiloxy ??] groups and Si—H groups are prepared by reacting the appropriate chlorosilanes with less than 0.5 mol water per mol of hydrolyzable chlorine in a first step and recovering gaseous HCl, and more fully hydrolyzing with additional water in a second step.

    摘要翻译: 具有二有机甲硅烷氧基[二有机甲硅烷氧基αβ]基团和Si-H基团的羟基末端有机聚硅氧烷通过在第一步中使适当的氯硅烷与小于0.5摩尔水/摩尔可水解氯反应并回收气态HCl来制备,并且更加完全水解 水在第二步。