Synthesis method of monodispersed nano-mesopore silicon dioxide material

A nano-mesoporous, silica technology, applied in chemical instruments and methods, molecular sieves and base exchange compounds, inorganic chemistry, etc., can solve the problems of aggregates affecting performance and application, restricting applications, easy agglomeration, etc., to achieve orderly Good performance, high specific surface area, high specific surface area effect
CN1618735AInactive Publication Date: 2005-05-25INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Publication Date
2005-05-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

An individually dispersed mesoporous nano-SiO2 is prepared through preparing reaction sol by using cationic surfactant as template agent and triblock non-ionic surfactant as template agent aid and disperser, and synthesizing the product. Its advantages are high dispersity, ordered mesoporous arteries, and large specific surface area and pore volume.
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Description

technical field

[0001] The invention belongs to the technical field of inorganic nanometer materials, and in particular relates to a method for synthesizing a monodisperse nanometer mesoporous silicon dioxide material. technical background

[0002] In 1992, Mobil Corporation of the United States launched the M41S series mesoporous molecular sieves for the first time. Such materials have broad application prospects in catalysis, adsorption and separation, sensors, optical materials, biochips, organic-inorganic nanocomposites, and chemical-mechanical polishing abrasives. Among them, MCM-41 has attracted the attention of scholars at home and abroad because of its uniform hexagonal arrangement of mesoporous channels, high specific surface area, good thermal stability and potential catalytic performance. At present, people have made great progress in the preparation of MCM-41, and have successively synthesized hexagonal mesoporous films, blocks, fibers, micron powders and nanopo...

Claims

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