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Manufacturing method of nanometer silicon-aluminium composite material

A technology of aluminum composite materials and manufacturing methods, which is applied in the direction of aluminum silicate and silicate, and can solve the problems of application expansion, high price, and high cost

Inactive Publication Date: 2005-11-02
章浩龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the silicon-aluminum powder materials commonly used at home and abroad, even ordinary micropowder or micron-sized powders, such as titanium dioxide, calcium carbonate, barium sulfate, white carbon black and other powders, are expensive and difficult to obtain in the manufacturing and application process. Cause a lot of environmental pollution and other disadvantages, especially nano-scale products, such as nano-titanium oxide, nano-calcium carbonate, nano-silicon oxide and other products, the price is more expensive, which greatly limits the further expansion of its application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Take 200 grams of pyrophyllite powder with an aluminum content of 20%, add 50 grams of water at 90°C to soak (according to the water content of pyrophyllite, the amount of water added can be adjusted appropriately), add silane coupling agent γ-(2,3-cyclo Oxypropoxy) 4 grams, through hydrophobic treatment, then use surfactant Tween 60 (polyoxyethylene sorbitan monostearate) 50 grams of wrapping processing, then, add dispersion solvent ethanol 1000 grams, make nano Si-aluminum composite material.

Embodiment 2

[0013] Take 200 grams of pyrophyllite powder with an aluminum content of 10%, add 50 grams of water at 80° C. Oxypropoxy) 4 grams, through hydrophobic treatment, then use surfactant Tween 60 (polyoxyethylene sorbitan monostearate) 50 grams of wrapping processing, then, add dispersion solvent ethanol 1000 grams, make nano Si-aluminum composite material.

Embodiment 3

[0015] Take 200 grams of pyrophyllite powder with an aluminum content of 20%, add 50 grams of water at 60°C to soak (the amount of water added can be adjusted appropriately according to the water content of pyrophyllite), add silane coupling agent propyltrimethoxysilane and surface Activator polyoxyethylene sorbitan monostearate 2 grams, through hydrophobic treatment, then with surfactant Tween 60 (polyoxyethylene sorbitan monostearate) 50 grams of wrapping treatment, then, add Disperse 1000 grams of ethanol as a solvent to prepare a nano-silicon-aluminum composite material.

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Abstract

The preparation process of nanometer composite Si-Al material with pyrophyllite as material includes soaking pyrophyllite powder in water, adding silane coupling agent and hydrophobic treatment, coating with surfactant, and dispersing in corresponding solvent to prepare nanometer dispersed emulsion. The said pyrophyllite contains aluminum in 10-30 wt%, and the temperature of water for soaking pyrophyllite powder is 60-95 deg.c. The prepared nanometer composite Si-Al material has high dispersivity, small size effect of nanometer material and excellent modifying effect. The preparation process is advanced, low in cost, less in environmental pollution and suitable for industrial production.

Description

technical field [0001] The invention relates to a method for manufacturing a silicon-aluminum composite material, in particular to a method for manufacturing a nano-silicon-aluminum composite material. Background technique [0002] Silicon-aluminum composite material is a kind of chemical material with wide versatility. Since the beginning of the 21st century, the annual consumption of silicon-aluminum composite material has increased rapidly, and the market demand is huge. In particular, nano-silicon-aluminum composite materials can be widely used in electronics, rubber, architectural coatings, paint, ceramics and other industries. However, the silicon-aluminum powder materials commonly used at home and abroad, even ordinary micropowder or micron-sized powders, such as titanium dioxide, calcium carbonate, barium sulfate, white carbon black and other powders, are expensive and difficult to obtain in the manufacturing and application process. Cause a lot of environmental po...

Claims

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Application Information

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IPC IPC(8): C01B33/26
Inventor 章浩龙
Owner 章浩龙
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