Title:
オルガノシランの製造方法
Document Type and Number:
Japanese Patent JP2012520830
Kind Code:
A
Abstract:
The invention provides a process for preparing organosilanes of the general formula (I) wherein a) (haloorganyl)alkoxysilane of the formula (II) is reacted with a sulphurising reagent selected from the group of alkali metal hydrogensulphide, metal sulphide M2S, metal polysulphide M2Sg and any desired combinations thereof and optionally additionally with sulphur and/or with H2S in an organic solvent, b1) subsequently, the organic solvent is removed from the suspension which forms, and the liquid phase comprising the organosilane of the formula (I), and the solid phase comprising MX and residual organosilane of the formula (I), are separated from the remaining suspension, or b2) subsequently, the liquid phase comprising the organosilane of the formula (I) and the organic solvent, and the solid phase comprising MX and residual organosilane of the formula (I), are separated from the suspension which forms, and the organic solvent is removed from the liquid phase, c) the solid phase comprising MX and residual organosilane of the formula (I) is mixed with water and d) the organic phase which forms, comprising the organosilane of the general formula (I), is removed.
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Inventors:
Helmut Dreghe
Application Number:
JP2012500035A
Publication Date:
September 10, 2012
Filing Date:
March 20, 2009
Export Citation:
Assignee:
Evonik Degussa GmbH
International Classes:
C07F7/18
Attorney, Agent or Firm:
Takuya Kuno
Toshio Yano
Takahashi
Kiyoshi Kuruma
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard
Toshio Yano
Takahashi
Kiyoshi Kuruma
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard