Method for preparing organosilicon by using channel reaction device

A channel reaction device and organosilicon technology, which is applied in the fields of organic chemistry, chemical instruments and methods, compounds of elements of Group 4/14 of the periodic table, etc. problems, to achieve the effect of increased yield, large output flexibility, and flexible production arrangements

Active Publication Date: 2019-04-26
南京曙光新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005]Technical problem: the purpose of this invention is to provide a method for preparing organosilicon by using a channel reaction device for industrial large-scale production of organosilicon, so that hydrogen-containing silane and unsaturated compound Under the condition of catalyst and activator, organosilicon is prepared by channel reaction device, which solves the problems of long reaction cycle, unsafety and poor stability of large-scale reaction equipment, and also solves the problem of mixing, pre-reaction and post-reaction in multi-unit equipment. The problem

Method used

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  • Method for preparing organosilicon by using channel reaction device
  • Method for preparing organosilicon by using channel reaction device
  • Method for preparing organosilicon by using channel reaction device

Examples

Experimental program
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Effect test

Embodiment 1

[0060] Example 1 Preparation of 3-chloropropyl trichlorosilane

[0061] The raw materials are trichlorosilane and chloropropene, the main catalyst is chloroplatinic acid hexahydrate, the auxiliary agent is isopropanol and organic amine, and the molar ratio of trichlorosilane, chloropropene and chloroplatinic acid hexahydrate is 500000: 500000:1 , chloroplatinic acid hexahydrate is made into a solution of 1‰ with isopropanol and organic amine mixed solution with a volume ratio of 9:1; the channel reaction device is a baffle type, the activator is an organic amine, and the inner diameter of the channel is 6 mm, and the length is 60 meters, the flow rate of the reaction stream is 25Kg / h, and the reaction temperature is 115°C; fully mix the catalyst mixed solution with chloropropene, and pump chloropropene and trichlorosilane from the two inlets of the channel reaction device at the same time. Sampling and testing from the outlet of the channel reaction device showed that the cont...

Embodiment 2

[0062] Example 2 Preparation of 3-(2,3-epoxypropoxy)propyltrimethoxysilane

[0063] The raw materials are trimethoxysilane hydrogen and allyl glycidyl ether, the main catalyst is chloroplatinic acid hexahydrate, the auxiliary agents are tetrahydrofuran and isopropanol, trimethoxysilane hydrogen, allyl glycidyl ether and chloroplatinum hexahydrate The molar ratio of the acid is 400000:400000:1, and chloroplatinic acid hexahydrate is prepared into a 1‰ solution with a mixture of tetrahydrofuran and isopropanol at a volume ratio of 9:1; the channel reaction device is a baffle type, and the activator is an organic amine , the inner diameter of the channel is 6mm, the length is 60m, the flow rate of the reaction flow is 25Kg / h, and the reaction temperature is 90°C; the catalyst mixed solution is fully mixed with allyl glycidyl ether, trimethoxyhydrogen silicon and allyl Glycidyl ether is pumped in simultaneously from two inlets of the channel reaction device. Samples were taken fr...

Embodiment 3

[0064] Example 3 Preparation of 3-methacryloxypropyltrimethoxysilane

[0065] The raw materials are trimethoxysilane hydrogen and allyl methacrylate, the main catalyst is chloroplatinic acid hexahydrate, and the auxiliary agent is acetylacetone, trimethoxysilane hydrogen, allyl methacrylate and chloroplatinic acid hexahydrate. The ratio is 600000: 600000:1, chloroplatinic acid hexahydrate is prepared into a 1‰ solution with acetylacetone; the channel reaction device is peristaltic, the activator is 3-aminopropyltriethoxysilane, and the inner diameter of the channel is 8 mm , the length is 75 meters, the flow rate of the reaction flow is 32Kg / h, and the reaction temperature is 105°C; the catalyst mixture is fully mixed with allyl methacrylate, and trimethoxyhydrogen silicon and allyl methacrylate are simultaneously transferred from the channel The two inlets of the reaction device are pumped in. Samples were taken from the outlet of the channel reaction device for testing, and...

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Abstract

The invention provides a method for preparing organic silicon by a passage reaction device. Under the condition of main catalysts Z, hydrogen-containing silane X and an unsaturated compound Y are introduced into the passage reaction device; hydrosilylation reaction is performed to prepare the organic silicon, wherein the hydrogen-containing silane X has the structure being HSiRR'<c>Cl<d>, in the formula, R and R' are independently C1 to C16 alkyl or alkoxy; a=1, 2 or 3; b, c and d are respectively and independently 0, 1, 2 or 3; the unsaturated compound Y is a monoene compound or single-alkyne compound; the main catalysts Z are one or several mixed ones of single-component complexes or multi-component complexes of Pt, Pd, Rh, Ru, Cu, Ag, Au or Ir; the passage surface in which reaction flow contacts is subjected to inactivation treatment by an activating agent Z. The problems of long reaction period, poor stability and the like of large-sized reaction equipment are solved; the problem that mixing, pre-reaction and afterreaction are separated and are performed in multi-unit equipment is solved.

Description

technical field [0001] The invention relates to a method for preparing organosilicon by using hydrogen-containing silane and unsaturated compound to undergo hydrosilylation reaction, more specifically a method for preparing organosilicon by using a channel reaction device under the condition of catalyst and activator. Background technique [0002] It is known to utilize a hydrosilylation reaction process to prepare organosilicon products, such as the hydrosilylation reaction of trichlorosilane and propylene chloride to prepare 3-chloropropyltrichlorosilane, using allylamine and alkylalkoxy containing Preparation of aminosilanes such as KH-550, KH-540 with hydrosilane, preparation of KH-560 with allyl glycidyl ether and trimethoxyhydrosilane, preparation of KH- with allyl methacrylate and trimethoxyhydrosilane 570, use ethylene and alkoxy hydrosilane to prepare vinyl alkoxysilane, etc. This type of reaction manifests as an obvious exothermic phenomenon, and the raw materials...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F7/12
CPCC07F7/122
Inventor 陶再山李春华
Owner 南京曙光新材料有限公司
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