Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Three-way copper catalyst applied to synthesizing organic silicon monomer and preparation method thereof

A ternary copper and catalyst technology, applied in the direction of organic chemistry, chemical instruments and methods, compounds of group 4/14 elements of the periodic table, etc., can solve the problems of certain investment costs, environmental pollution, etc., and achieve low impurity content and high reaction efficiency. The equipment requirements are simple, and the effect of improving catalyst activity and selectivity

Inactive Publication Date: 2013-06-12
JINCHUAN GROUP LIMITED
View PDF2 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the process of reducing copper sulfate monohydrate into copper powder by this method, a large amount of sulfur dioxide will be produced in its production, and sulfur dioxide gas has strict requirements on production equipment, which requires a certain amount of equipment investment. into the air will pollute the environment

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Three-way copper catalyst applied to synthesizing organic silicon monomer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Preparation of a ternary copper-based catalyst for the synthesis of organosilicon monomers. The following process steps are used: crush copper oxide into raw materials with a particle size of 1-10 μm, use hydrogen and nitrogen decomposed from ammonia as reducing gases, At a temperature of 350°C, copper oxide is reduced into metal copper powder in a reduction furnace, and the reduced metal copper powder is put into a fluidized bed, and a nitrogen-oxygen mixture with an oxygen pressure of no more than 0.005MPa is passed through the bottom of the bed. After oxidizing metallic copper at a temperature of 150° C. to 250° C. for 2 hours, a finished copper catalyst containing cuprous oxide, metallic copper and copper oxide is obtained.

[0020] Use the above method to make multiple times continuously, obtain the ternary copper catalyst for the synthesis of organosilicon monomers, and measure the average value. Among them, the components and weight percentages are: cup...

Embodiment 2

[0021] Example 2: Preparation of ternary copper-based catalysts for the synthesis of organosilicon monomers. The following process steps are used: crush copper oxide into raw materials with a particle size of 1-8 μm, use hydrogen and nitrogen decomposed from ammonia as reducing gases, At a temperature of 350°C, copper oxide is reduced into metal copper powder in a reduction furnace, and the reduced metal copper powder is put into a fluidized bed, and nitrogen-oxygen mixed gas with an oxygen pressure not exceeding 0.010MPa is passed through the bottom of the bed, After oxidizing metallic copper at a temperature of 240° C. for 5 hours, a finished copper catalyst containing cuprous oxide, metallic copper and copper oxide was obtained.

[0022] Use the above method to make 3 times continuously, obtain the ternary copper-based catalyst for the synthesis of organosilicon monomers, and measure the average value. Copper 8.25%, after reducing the crushing particle size in the raw mater...

Embodiment 3

[0023] Example 3: Preparation of ternary copper-based catalysts for the synthesis of organosilicon monomers. The following process steps are used: crush copper oxide into raw materials with a particle size of 1-10 μm, use hydrogen and nitrogen decomposed from ammonia as reducing gases, At a temperature of 350°C, copper oxide is reduced into metal copper powder in a reduction furnace, and the reduced metal copper powder is put into a fluidized bed, and a nitrogen-oxygen mixture with an oxygen pressure of no more than 0.015MPa is passed through the bottom of the bed. After oxidizing metallic copper at a temperature of 250° C. for 7 hours, a finished copper catalyst containing cuprous oxide, metallic copper and copper oxide was obtained.

[0024] Use the above method to make 3 times continuously, obtain the ternary copper catalyst used for the synthesis of organosilicon monomer, and measure the average value. Copper 11.95%.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a three-way copper catalyst applied to synthesizing organic silicon monomer and a preparation method of the three-way copper catalyst. The preparation method comprises the following steps of: crushing copper oxide to be with a granularity of 1-10 micrometers; using hydrogen and nitrogen decomposed by ammonia as reducing gases to reduce the copper oxide in a reduction furnace with the temperature of 200-450 DEG C into metal copper powder; filling the reduced metal copper powder into a fluidized bed, introducing an oxygen-nitrogen mixture with an oxygen pressure not more than 0.015 MPa through the bed bottom to oxidize the metal copper at the temperature of 100-250 DEG C for 2-7 hours, thus obtaining copper catalyst product including cuprous oxide, metal copper and copper oxide, wherein the copper catalyst product comprises the following components in percentage by weight: 20-40% of cuprous oxide, 40-80% of metal copper and 1-12% of copper oxide. According to the preparation method, the employed copper oxide material is low in impurity content, impurities are not introduced in the synthesis of organic silicon monomer, requirement on reaction equipment in the preparation process is simple, three wastes (waste gas, waste water and waste residues) are not generated in the process, and a mass of holes are generated due to the departure of oxygen after the copper oxide is employed to carry out reduction, so that the activity and selectivity of the catalyst are improved.

Description

technical field [0001] The invention relates to a preparation method of a ternary copper catalyst used for synthesizing organosilicon monomers and the ternary copper catalyst prepared by the method. Background technique [0002] Catalysts play a particularly important role in the direct synthesis of organochlorosilanes. Almost all metals commonly found in the periodic table and their important chlorides or oxides have been tried. However, classical copper is still the most effective catalyst for the direct synthesis of organochlorosilanes. The activity, lifetime, and selectivity of copper-based catalysts are not only related to the chemical composition of the copper-based catalyst itself, but also to its fineness, structure, and closeness to silicon. related to the degree of contact. Therefore, the preparation or treatment method of the copper catalyst has a great influence on its catalytic effect. There are mainly five kinds of Cu catalysts used in the direct method: (1)...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B01J23/72C07F7/16
Inventor 张新涛李娟范桂芳宋谋通张科翠陈国栋
Owner JINCHUAN GROUP LIMITED
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com