Recycling of high-boiling compounds within an integrated chlorosilane system
    4.
    发明授权
    Recycling of high-boiling compounds within an integrated chlorosilane system 有权
    在一体化氯硅烷系统内回收高沸点化合物

    公开(公告)号:US08557210B2

    公开(公告)日:2013-10-15

    申请号:US12281550

    申请日:2007-02-21

    IPC分类号: C01B33/107

    CPC分类号: C01B33/10763

    摘要: Trichlorosilane production is increased while simultaneously lowering environmental burden due to destruction and disposition of high boilers by feeding high boilers from trichlorosilane production or from polycrystalline silicon production into a fluidized bed for production of trichlorosilane from metallic silicon and hydrogen chloride.

    摘要翻译: 三氯硅烷生产增加,同时通过将来自三氯硅烷生产的高锅炉或从多晶硅生产送入用于从金属硅和氯化氢生产三氯硅烷的流化床,由于高锅炉的破坏和处置而降低环境负荷。

    Process for the preparation of dodecahaloneopentasilanes
    5.
    发明授权
    Process for the preparation of dodecahaloneopentasilanes 失效
    十二烷基戊烷的制备方法

    公开(公告)号:US08512666B2

    公开(公告)日:2013-08-20

    申请号:US13379458

    申请日:2010-06-16

    申请人: Michael Stepp

    发明人: Michael Stepp

    IPC分类号: C01B33/107

    CPC分类号: C01B33/107

    摘要: The invention relates to a method for producing neopentasilanes of the general formula (1) Si(SiR3)4 (1), wherein silicon compounds of the general formula (2) R3Si— (SiR2—)xSiR3 (2), where R is selected from Cl, Br, and I, and x is a non-negative whole number up to 5, are converted in the presence of catalytically active compounds (K), wherein the separating of the tetrahalogen silane formed thereby takes place by distilling out in the presence of a compound (L) that is liquid at room temperature having a higher boiling point than the released tetrahalogen silane.

    摘要翻译: 本发明涉及制备通式(1)Si(SiR 3)4(1)的新戊基硅烷的方法,其中通式(2)中的硅化合物R3Si-(SiR2-)xSiR3(2),其中选择R 来自Cl,Br和I,x是至多为5的非负整数,在催化活性化合物(K)的存在下转化,其中由此形成的四卤代硅烷的分离通过在 在室温下具有比释放的四卤代硅烷沸点高的化合物(L)的存在。

    Organosilicon compounds having urea groups, method for producing same and their utilization
    8.
    发明授权
    Organosilicon compounds having urea groups, method for producing same and their utilization 失效
    具有脲基的有机硅化合物,其制造方法及其利用

    公开(公告)号:US06218498B1

    公开(公告)日:2001-04-17

    申请号:US09308733

    申请日:1999-05-24

    IPC分类号: C08G7726

    摘要: The invention relates to organosilicon compounds with at least three silicon atoms, consisting of units of the formula (I) RaSi(NR1C═ONR22)k(NR3C═ONR4)t/2YmOn/2[(CR52)s]r/2, where Y represents units of the formula (II) —SiR63-p-q(NR1C═ONR22)p(NR3C═ONR4)q/2, where R, R1, R2, R3, R4, R5 and R6 independently of each other can be either identical or different and represent a hydrogen atom or possibly substituted monovalent hydrocarbon radicals with between 1 and 20 carbon atoms; and where a, k, t, n, m, r, s, p and q have the meaning assigned to them in claim 1, under the provision that the sum of p+q is ≦3, the sum of a+k+l+m+n+r equals 4, the sum of m+r equals 0 or 1, and the organosilicon compound of the invention contains at least one unit of formula (I) where t is not equal to 0.

    摘要翻译: 本发明涉及具有至少三个硅原子的有机硅化合物,由式(I)RaSi(NR1C = ONR22)k(NR3C = ONR4)t / 2YmOn / 2 [(CR52)s] r / 2的单元组成,其中 Y表示式(II)-SiR 63-pq(NR 1 C = ONR 22)p(NR 3 C = ONR 4)q / 2的单元,其中R,R 1,R 2,R 3,R 4,R 5和R 6彼此独立地可以相同 或不同的,表示氢原子或可能具有1至20个碳原子的取代的一价烃基; 并且其中a,k,t,n,m,r,s,p和q具有在权利要求1中分配给它们的含义,在p + q的和为<= 3的条件下,a + k的和 + 1 + m + n + r等于4,m + r的和等于0或1,本发明的有机硅化合物含有至少一个式(I)单元,其中t不等于0。

    Process for preparing carbamatoorganosilanes
    10.
    发明授权
    Process for preparing carbamatoorganosilanes 有权
    制备氨基甲酰基有机硅烷的方法

    公开(公告)号:US08871963B2

    公开(公告)日:2014-10-28

    申请号:US13294674

    申请日:2011-11-11

    IPC分类号: C07F7/04 C07F7/18

    CPC分类号: C07F7/1892

    摘要: The invention provides a process for preparing carbamatoorganosilanes (S) of the general formula (7) in which a haloorganosilane (S1) of the general formula (8) is reacted with a metal cyanate (MOCN) and an alcohol (A) of the general formula (9) in the presence of at least one aprotic solvent (L), where R1, R3 and R4 are each an unsubstituted or halogen-substituted hydrocarbyl radical having 1-10 carbon atoms, R2 is a divalent unsubstituted or halogen-substituted hydrocarbyl radical which has 1-10 carbon atoms and may be interrupted by nonadjacent oxygen atoms, X is a halogen atom, and x is a value of 0, 1, 2 or 3, where the removal of the solid metal halides formed as by-products and of any solid metal cyanate residues still present is preceded by distillative removal of at least 50% of the solvent (L).

    摘要翻译: 本发明提供了制备通式(7)的氨基甲酰氧基硅烷(S)的方法,其中将通式(8)的卤代有机硅烷(S1)与一般的金属氰酸酯(MOCN)和醇(A)反应 在式(9)中存在至少一种非质子溶剂(L),其中R 1,R 3和R 4各自是未取代的或具有1-10个碳原子的卤素取代的烃基,R2是二价未取代或卤素取代的烃基 具有1-10个碳原子并且可被不相邻氧原子间隔的基团,X是卤素原子,x是0,1,2或3的值,其中除去作为副产物形成的固体金属卤化物 和仍然存在的任何固体金属氰酸盐残留物之前是蒸馏除去至少50%的溶剂(L)。