Two types of catalysts for synthesizing methyl chlorosilane and preparation method thereof

A methylchlorosilane, copper catalyst technology, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problem of long dehydration time, large energy consumption, use of problems such as narrow field, to achieve the effect of simple production process, low production cost and best application effect

Active Publication Date: 2011-05-18
成都隆盛新材料股份有限公司
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  • Abstract
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AI Technical Summary

Benefits of technology

This patented technology reduces power usage during zinc oxide manufacturing while also improving quality. It involves using metallic copper instead of traditional methods like electrolysis or solvent extraction from solutions for making it easier than other materials such as organosilanes. Additionally, this new approach simplifies the overall production process without generating harmful waste products that could affect environmentally consciousness over time. Overall, these technical benefits improve the performance and economy of producing highly pure chemical compounds at an affordably competitive price compared to existing technologies.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the efficiency and effectiveness of producing MTCHS reactants through various methods including indirectly combining different starting substances together without requiring complex processes like melting or distillations. Additionally, these techniques involve reducing the concentration of impurities during manufacturing while maintaining good quality control over the final products produced.

Method used

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  • Two types of catalysts for synthesizing methyl chlorosilane and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0037] The copper catalyst 2 used in the initial start-up reaction of the methyl chlorosilane synthesis reaction is made of metal copper powder as a raw material, after oxidation to remove surface impurities, deep oxidation to change the material structure, and partial reduction to adjust the composition of the product. Its composition and weight percentage are as follows:

[0038] Metal Copper 58.42% Cuprous Oxide 29.18% Copper Oxide 12.40%

[0039] The metallic copper is electrolytic copper powder with an average particle size of 300 mesh.

[0040] A. Oxidation to remove surface impurities: put electrolytic copper powder in a fluidized bed reactor, pass through oxygen-enriched air with an oxygen content of 20-25% (volume), and oxidize at 120-150°C for 15-30 minutes to remove the surface Protective organic impurities;

[0041] B. Deep oxidation to change the material structure: continue to pass in oxygen-enriched air with an oxygen content of 20-30% (volume), and oxidize at...

Embodiment 2

[0047] The copper catalyst 1 used for the normal reaction after the start of the synthesis reaction of methyl chlorosilane is made of metal copper powder as raw material, which is oxidized to remove surface impurities, deep oxidized to change the material structure, and partially reduced to adjust the composition of the product. Its composition and weight percentage are as follows:

[0048] Metallic copper 18.80%, cuprous oxide 25.66%, copper oxide 55.54%

[0049] The metallic copper is electrolytic copper powder with a particle size of 300 mesh.

[0050] A. Oxidation to remove surface impurities: put electrolytic copper powder in a fluidized bed reactor, pass through oxygen-enriched air with an oxygen content of 20-25% (volume), and oxidize at 120-150°C for 15-30 minutes to remove the surface Protective organic impurities;

[0051] B. Deep oxidation to change the material structure: continue to pass in oxygen-enriched air with an oxygen content of 20-30% (volume), and oxidi...

Embodiment 3

[0057] The copper catalyst 1 used for the normal reaction after the synthesis reaction of methyl chlorosilane is started, which is made of metal copper powder as raw material, after oxidation to remove surface impurities, deep oxidation to change the material structure, and partial reduction to adjust the composition of the product. Its composition and weight percentage are as follows:

[0058] Metallic copper 25.55%, cuprous oxide 29.88%, copper oxide 44.57%

[0059] The metal copper powder is electrolytic copper powder with a particle size of 200 mesh.

[0060] A. Oxidation to remove surface impurities: put electrolytic copper powder in a fluidized bed reactor, pass through oxygen-enriched air with an oxygen content of 20-25% (volume), and oxidize at a temperature of 120-150°C for 15-30 minutes to remove the surface Protective organic impurities;

[0061] B. Deep oxidation to change the material structure: continue to pass in oxygen-enriched air with an oxygen content of 2...

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Abstract

The invention discloses two types of catalysts for synthesizing methyl chlorosilane and a preparation method thereof. The two types of catalysts are prepared by taking metal copper powder as a raw material through the steps of oxidizing to remove surface impurities, deeply oxidizing to change substance structures, partially reducing and regulating product constituents, the catalyst I comprises the following constituents in percentage by weight: 15-30% of metal copper, 20-30% of cuprous oxide and 40-65% of copper oxide, and is used during normal reaction after a synthesis reaction is started, and the catalyst II comprises the following constituents in percentage by weight: 50-65% of metal copper, 25-35% of cuprous oxide and 5-20% of copper oxide, and is used during driving starting reaction in the early stage of synthesis reaction. The method disclosed by the invention has the advantages of low energy consumption, high efficiency, environmental friendliness, effectively reduced production cost, and more stable and complete reduction reaction; meanwhile, the prepared copper catalysts have the characteristics of high catalytic activity and selectivity, strong raw material adaptability and good overall indicators.

Description

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Claims

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Application Information

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Owner 成都隆盛新材料股份有限公司
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