摘要:
A process for producing organochlorosilanes in a fluidized bed reaction comprises reacting haloorganic reaction gas with a catalytic composition comprising silicon, copper catalysts and promoters, in a fluidized bed reactor, wherein the hydraulic diameter of the fluidized bed reactor dhyd,the superficial gas velocity in the fluidized bed reactor uL andthe particle Sauter diameter of the catalytic composition d32 are selected such that,in a Cartesian coordination system in which Ar is plotted against Re, points on the surface are formed wherein the surface is limited by equations 1 and 2 Ar=2·10−5·Re2+0.08*Re−120 Equation 1 Ar=2·10−5·Re2−1.07*Re+14100 Equation 2 wherein the lower limit Ar=0.5 and the upper limit Ar=3000. The invention also relates to a method for selecting reaction parameters for producing organochlorosilanes.
摘要:
A method of producing an organic silicon compound includes a step of reaction of the following: (A) a reactive silane compound represented by General Formula (1) below: R1mSiY(4-m) (wherein R1 is a monovalent organic group (except for the group represented by Y) or a hydrogen atom; Y indicates a chlorine atom or a group represented by —OR2; R2 indicates a monovalent hydrocarbon group having 1 to 30 carbon atoms; and m is a number in the range of 0 to 3), (B) a halogenated organic compound represented by General Formula (2) below: R3—X (wherein R3 indicates a monovalent organic group; and X is a halogen atom), and (C) metallic magnesium (Mg) in the presence of (D) an organic solvent containing at least one type of ether type compound.
摘要:
Provided are a coating composition for low refractive layer including fluorine-containing compound of the following Chemical Formula 1, an anti-reflection film using the same, and a polarizer and an image display device including the same, wherein the fluorine-containing compound of the following Chemical Formula 1 has a low refractive index of 1.28 to 1.40, thereby making it possible to easily adjust a refractive index of the anti-reflection film and be usefully used as a coating material of the anti-reflection film having an excellent mechanical property such as durability, or the like.
摘要:
An improved industrial method for the direct synthesis of alkylhalogenosilanes is described. Specifically, a method is described for preparing alkylhalogenosilanes by reacting, in a fluidized bed reactor, and alkyl halogenide, preferably CH3Cl, with a solid body, which is referred to as a contact body and which includes powdered silicon and a catalytic system including at least one copper catalyst and β1 and β2 promoter activities.
摘要:
Compounds 1,3,4-(SiMe3)(C6F5)(alkyl)C5H3 are made using a simplified synthetic strategy which is readily scalable. On reaction with a suitable transition metal species, a 1,3,4-(SiMe3)(C6F5)(alkyl)C5H3 molecule provides an organotransition metal complex comprising a 1,2-(C6F5)(alkyl) substituted cyclopentadienyl ligand, which is active toward olefin polymerization.
摘要翻译:化合物1,3,4-(SiMe 3)(C 6 F 5)(烷基)C 5 H 3是使用易于扩展的简化合成策略制备的。 通过与合适的过渡金属物质的反应,1,3,4-(SiMe 3)(C 6 F 5)(烷基)C 5 H 3分子提供了包含1,2-(C 6 F 5)(烷基)取代的环戊二烯基配体的有机过渡金属络合物, 对烯烃聚合有活性。
摘要:
The invention relates to a process for preparing diorganyldihalosilanes of the general formula (1) R2SiX2 (1), in which dihalodihydrosilanes of the general formula (2) X2SiH2 (2), in a mixture with silanes of the general formula (3) R′3SiH (3), are reacted with halogenated hydrocarbons of the general formula (4) R-X (4), in the presence of a free-radical initiator, which is selected from alkanes, diazenes and organodisilanes, where R is a monovalent C1-C18 hydrocarbon radical, R′ is a monovalent C1-C18 hydrocarbon radical, hydrogen or halogen, and X is halogen.
摘要:
The present invention relates to a system, to a reactor and to a process for continuous industrial performance of a reaction wherein an α,β-unsaturated fluorine-substituted olefin A is reacted with an HSi compound B in the presence of a catalyst C and optionally of further assistants, and the system is based at least on the combination of reactants (3) for components A (1) and B (2), at least one multielement reactor (5) which, in turn, comprises at least two reactor units in the form of exchangeable prereactors (5.1) and at least one further reactor unit (5.3) connected downstream of the prereactors, and on a product workup (8).
摘要:
The invention relates to a process for the direct synthesis of methylchlorosilanes by reaction of chloromethane with a contact composition comprising silicon and copper catalyst, wherein the concentration of oxygen in the chloromethane used is reduced by mixing a) chloromethane which contains oxygen, and b) chloromethane which contains a gaseous boron compound.
摘要:
Organohalosilanes are prepared by reacting metallic silicon particles with an organohalide in the presence of a copper catalyst. A contact mass composed of metallic silicon and copper catalyst contains an effective amount of a catalyst powder obtained by mechanical surface treatment of a powder mixture of tin powder and another metal, typically copper powder, on a ball mill, stamp mill, jet mill, mechanofusion device or the like.
摘要:
The invention relates to a method for producing chlorosilanes using silicon containing homogeneously distributed copper silicide. The invention especially relates to a method for producing trichlorosilane by reacting said silicon with water, silicon tetrachloride and optionally hydrogen chloride.