Process and apparatus for conversion of silicon tetrachloride to trichlorosilane
    76.
    发明授权
    Process and apparatus for conversion of silicon tetrachloride to trichlorosilane 有权
    用于将四氯化硅转化为三氯硅烷的方法和设备

    公开(公告)号:US09480959B2

    公开(公告)日:2016-11-01

    申请号:US13979268

    申请日:2012-01-16

    摘要: A process for hydrogenating chlorosilanes in a reactor, wherein at least two reactant gas streams are introduced separately from one another into a reaction zone, wherein the first reactant gas stream comprising silicon tetrachloride is conducted via a first heat exchanger unit in which it is heated and is then conducted through a heating unit which heats it to a first temperature before the first reactant gas stream reaches the reaction zone, and wherein the second reactant gas stream comprising hydrogen is heated by a second heat exchanger unit to a second temperature, wherein the first temperature is greater than the second temperature, and then introduced into the reaction zone, such that the mixing temperature of the two reactant gas streams in the reaction zone is between 850° C. and 1300° C., and said reactant gas streams react to give product gases comprising trichlorosilane and hydrogen chloride, wherein the product gases obtained in the reaction are conducted through said at least two heat exchanger units and preheat the reactant gas streams of the reaction by the countercurrent principle, wherein the flow passes first through the first heat exchanger unit and then through the second heat exchanger unit. A reactor for hydrogenating chlorosilanes, comprising two gas inlet devices through which reactant gases can be introduced separately from one another into the reactor, and at least one gas outlet device through which a product gas stream can be conducted, at least two heat exchanger units which are connected to one another and which are suitable for heating reactant gases separately from one another by means of the product gases conducted through the heat exchanger units, and a heating zone which is arranged between a first heat exchanger unit and a reaction zone and in which there is at least one heating element.

    摘要翻译: 一种在反应器中氢化氯硅烷的方法,其中至少两个反应物气流彼此分开引入反应区,其中包含四氯化硅的第一反应气流通过其中被加热的第一热交换器单元进行, 然后通过加热单元进行加热,该加热单元在第一反应气流到达反应区之前将其加热到第一温度,并且其中包含氢的第二反应气体流由第二热交换器单元加热到第二温度,其中第一 温度大于第二温度,然后引入反应区,使得反应区中的两个反应气流的混合温度在850℃和1300℃之间,所述反应气流与 得到包含三氯硅烷和氯化氢的产物气体,其中在反应中获得的产物气体通过所述a进行 至少两个热交换器单元并且通过逆流原理预热反应物的反应气流,其中流动首先通过第一热交换器单元然后通过第二热交换器单元。 用于氢化氯硅烷的反应器,包括两个气体入口装置,反应物气体可以通过该反应气体彼此分开引入反应器,以及至少一个气体出口装置,通过该气体出口装置可以传导产物气流;至少两个热交换器单元, 彼此连接并且适于通过通过热交换器单元传导的产物气体彼此分开地加热反应气体;以及加热区,其布置在第一热交换器单元和反应区之间,其中 至少有一个加热元件。

    CATALYST FOR PRODUCING HIGHER SILANE AND PROCESS FOR PRODUCING HIGHER SILANE
    77.
    发明申请
    CATALYST FOR PRODUCING HIGHER SILANE AND PROCESS FOR PRODUCING HIGHER SILANE 有权
    生产高硅烷的催化剂和生产高硅烷的方法

    公开(公告)号:US20160257571A1

    公开(公告)日:2016-09-08

    申请号:US15030802

    申请日:2014-10-16

    摘要: Provided are a catalyst for producing a higher silane with high yield at low cost by performing a reaction at relatively low temperature while inhibiting decomposition into solid silicon; and a process using the catalyst for producing a higher silane. The catalyst for producing a higher silane includes a porous oxide and is used to convert a lower silane to a higher silane wherein the porous oxide has at least regularly arranged pores and is primarily composed of silicon oxide, wherein a content of alkali metals and alkali earth metals in the porous oxide is not less than 0.00 wt % and not more than 2.00 wt %.

    摘要翻译: 提供了通过在较低温度下进行反应同时抑制分解成固体硅而以低成本生产高产率的催化剂; 以及使用该催化剂制造高级硅烷的方法。 用于制备较高硅烷的催化剂包括多孔氧化物,并用于将下硅烷转化为高级硅烷,其中多孔氧化物具有至少规则排列的孔,并且主要由氧化硅组成,其中碱金属和碱土 多孔氧化物中的金属不小于0.00重量%且不大于2.00重量%。

    METHOD FOR HYDROGENATING HIGHER HALOGEN-CONTAINING SILANE COMPOUNDS
    78.
    发明申请
    METHOD FOR HYDROGENATING HIGHER HALOGEN-CONTAINING SILANE COMPOUNDS 有权
    用于氢化高含卤素的硅烷化合物的方法

    公开(公告)号:US20150307363A1

    公开(公告)日:2015-10-29

    申请号:US14649092

    申请日:2013-11-27

    IPC分类号: C01B33/04

    摘要: The present invention relates to a continuous process for hydrogenating halogen-containing silane compounds having at least three silicon atoms, in which at least one halogen-containing silane compound having at least three silicon atoms and at least one hydrogenating agent are converted continuously to form at least one hydridosilane compound having at least 3 silicon atoms and oxidized hydrogenating agent, and wherein oxidized hydrogenating agent is withdrawn and reduced, and the reaction product of this reduction reaction is sent back to the hydrogenation, to the hydridosilane compounds obtainable by this process and to the use thereof.

    摘要翻译: 本发明涉及一种用于氢化含有至少三个硅原子的含卤素的硅烷化合物的连续方法,其中至少一种具有至少三个硅原子的含卤素的硅烷化合物和至少一种氢化剂被连续地转化成 至少一个具有至少3个硅原子的氢硅烷化合物和氧化的氢化剂,并且其中将氧化的氢化剂排出并还原,并将该还原反应的反应产物送回氢化,得到可通过该方法获得的氢硅烷化合物, 其使用。

    Method for producing hydridosilanes
    80.
    发明授权
    Method for producing hydridosilanes 有权
    生产氢硅烷的方法

    公开(公告)号:US09017630B2

    公开(公告)日:2015-04-28

    申请号:US13504331

    申请日:2010-11-08

    IPC分类号: C01B33/04 C01B33/107

    摘要: The invention relates to a method for producing hydridosilanes from halosilanes by a) reacting i) at least one halosilane of the generic formula SinX2n+2 (with n≧3 and X═F, Cl, Br and/or I) with ii) at least one catalyst of the generic formula NRR'aR″bYc with a=0 or 1, b=0 or 1, and c=0 or 1, and formula (I), wherein aa) R, R′ and/or R″ are —C1-C12 alkyl, —C1-C12 aryl, —C1-C12 aralkyl, —C1-C12 aminoalkyl, —C1-C12 aminoaryl, —C1-C12 aminoaralkyl, and/or two or three groups R, R′ and R″ (if c=0) together form a cyclic or bicyclic, heteroaliphatic or heteroaromatic system including N, with the proviso that at least one group R, R′ or R″ is unequal —CH3 and/or wherein bb) R and R′ and/or R″' (if c=1) are —C1-C12 alkylene, —C1-C12 arylene, —C1-C12 aralkylene, —C1-C12 heteroalkylene, —C1-C12 heteroarylene, —C1-C12 heteroaralkylene and/or —N═, or cc) (if a=b=c=0) R═≡C-R′″ (with R′″═—C1-C10 alkyl, —C1-C10 aryl and/or —C1-C10 aralkyl), while forming a mixture comprising at least one halosilane of the generic formula SimX2m+2 (with m>n and X═F, Cl, Br and/or I) and SiX4 (with X═F, Cl, Br and/or I), and b) hydrogenating the at least one halosilane of the generic formula SimH2m+2 while forming a hydridosilane of the generic formula SimH2m+2. The invention also relates to the hydridosilanes producible according to said method and to their use.

    摘要翻译: 本发明涉及一种由卤代硅烷生产氢硅烷的方法,其通过以下步骤:a)使i)至少一种通式为SinX2n + 2(n≥3,X = F,Cl,Br和/或I)的卤代硅烷与ii) a = 0或1,b = 0或1,c = 0或1和式(I)的通式NRR'aR“bYc的至少一种催化剂,其中aa)R,R'和/或R” 是-C 1 -C 12烷基,-C 1 -C 12芳基,-C 1 -C 12芳烷基,-C 1 -C 12氨基烷基,-C 1 -C 12氨基芳基,-C 1 -C 12氨基烷基和/或两个或三个基团R,R'和R “(如果c = 0)一起形成包括N的环状或双环,杂脂族或杂芳族体系,条件是至少一个基团R,R'或R”不等于-CH 3和/或其中bb)R和R' 和/或R“'(如果c = 1)是-C 1 -C 12亚烷基,-C 1 -C 12亚芳基,-C 1 -C 12亚芳基,-C 1 -C 12杂亚烷基,-C 1 -C 12亚杂芳基,-C 1 -C 12杂亚烷基和/ 或-N =或cc)(如果a = b = c = 0)R≡≡CR'“(其中R'”= C 1 -C 10烷基,-C 1 -C 10芳基和/或-C 1 -C 10芳烷基),同时形成包含通式SimX2m + 2(具有m> n和X = F,Cl,Br和/或I)的至少一种卤代硅烷和SiX 4(具有X = F,Cl,Br和 /或I),和b)在形成通式SimH 2 m + 2的氢硅烷的同时使通式SimH 2 m + 2的至少一种卤代硅烷氢化。 本发明还涉及根据所述方法可生产的氢硅石及其用途。