Method for preparing nano slabby aluminium borate whisker by hydrothermal method

A technology of aluminum borate whiskers and nanoplates, applied in chemical instruments and methods, single crystal growth, crystal growth, etc., can solve the problems of backward production technology of boron products, poor comprehensive utilization of resources, and low added value of products, and achieve remarkable results Economic benefits, high product quality, and high added value

Inactive Publication Date: 2010-11-24
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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Problems solved by technology

The production technology of boron products is backward, and the comprehensive utilization of resources is poor
At present, boron processing pro

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  • Method for preparing nano slabby aluminium borate whisker by hydrothermal method

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Embodiment Construction

[0013] The present invention will be described in detail below with reference to the accompanying drawings.

[0014] The method for preparing nano-plate aluminum borate whiskers in the present invention is a method for preparing whiskers with high elastic modulus, good mechanical strength, heat resistance, chemical resistance, acid resistance, electrical insulation, neutron absorption performance, Production technology of nanoplate (ribbon) aluminum borate whiskers covalent to metal. It is not only used in heat insulation, heat-resistant and corrosion-resistant materials, but also can be used as a reinforcing agent for thermoplastic resins, thermosetting resins, cement, ceramics and metals. It can also be used to strengthen metal bases (aluminum base, magnesium base), ceramic bases, plastics, glass, fibers, coatings, etc.

[0015] 1. Basic principle of the present invention

[0016] Combined with the characteristics of the hydrothermal production process, mix borax and alumi...

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Abstract

The invention provides a method for preparing nano slabby aluminium borate whisker by hydrothermal method, relating to a borax preparation technology. The method includes the following steps: firstly aluminium nitrate solution is mixed with borax solution, then surfactant is added, pH value of solution is regulated, reaction is carried out, solution is moved into a hydrothermal kettle, reaction is carried out again under pressure and temperature conditions, and cooling, filtering, washing and drying are carried out, thus obtaining the slabby aluminium borate whisker. The nano slabby (band) aluminium borate whisker with high elastic modulus, good mechanical strength, heat resistance, chemical resistance, acid resistance, electric insulativity, neutron absorption performance and covalency with metal can be prepared. The whisker not only can be applied to heat-insulating, heat-resistant and corrosion-resistant materials but also can be applied to thermoplastic resin, thermosetting resin, cement, ceramic and metal reinforcing agent. The whisker also can be applied to reinforced metal base (aluminium base and magnesium base), ceramic base, plastic, glass, fiber and paint.

Description

technical field [0001] The invention relates to a borax preparation technology, in particular to a method for preparing nano-plate aluminum borate whiskers by a hydrothermal method. Background technique [0002] So far, the production scale of borax and boric acid in my country has reached 250,000 tons, of which 220,000 tons of borax accounts for 49% of the total production scale of the country; the output of boric acid is 30,000 to 50,000 tons, accounting for about one-third of the country's total. Due to market factors, the price of borax fell, and the production of borax suffered industry losses. The main reason is that in terms of product structure of boron chemical industry, the product structure is single; in terms of product sequence of boron chemical industry, it is a primary product and the added value of the product is very low. In recent years, my country's boron industry has achieved certain development, but compared with the United States and other developed co...

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Application Information

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IPC IPC(8): C30B7/10C30B29/22C30B29/62
Inventor 孙栋梁张金博王薇王晓炜宋林
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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