Carbon/aluminum composite compound and inorganic compound coated with carbon/aluminum composite compound

An inorganic compound and aluminum composite technology, applied in the direction of solid waste removal, etc., can solve the problems of inability to obtain heat resistance, flame retardant conductivity, etc., and achieve the effect of reducing quantity, excellent conductivity and saving energy.

Inactive Publication Date: 2010-06-16
VAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the products produced by these treatments do not contain carbon, and useful compositions excellent in heat resistance, flame retardancy, electrical conductivity, etc. cannot be obtained to seek resource recycling.

Method used

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  • Carbon/aluminum composite compound and inorganic compound coated with carbon/aluminum composite compound
  • Carbon/aluminum composite compound and inorganic compound coated with carbon/aluminum composite compound
  • Carbon/aluminum composite compound and inorganic compound coated with carbon/aluminum composite compound

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105]

[0106] Heat and dissolve 25 parts by mass of sucrose in 25 parts by mass of water at 50° C., add 50 parts by mass of PAC (manufactured by Oji Paper Manufacturing Co., Ltd., “PAC” (10 to 11 mass % in terms of aluminum content)) thereto, and stir and mix uniformly . Hereinafter, the aqueous solution thus obtained is simply referred to as "XSP".

[0107] 100 g of XSP was put into a tray with a thickness of 2 mm, and after standing at 20° C. for 5 hours, a burner was used to directly contact the surface of the sample with a flame of 1300° C. to perform calcination. Calcination is carried out in air. Insert the K thermocouple thermometer sheath near the surface layer of the sample, and the measured temperature is 750-880°C. Twenty minutes after the burner was exposed to the flame, a uniform black granular carbon-aluminum composite compound was obtained.

Embodiment 2

[0109]

[0110] In Example 1, except having used 25 mass parts of rice flour instead of 25 mass parts of sucrose, it carried out similarly to Example 1, and obtained the carbon-aluminum composite compound.

Embodiment 3

[0112]

[0113] 50 parts by mass of XSP, 45 parts by mass of borax and 55 parts by mass of water were uniformly stirred and mixed. 50 g of this liquid was put in a dish with a thickness of 20 mm, and left still at 20° C. for 28 hours. Microcrystals of borax were precipitated on the surface, and in this state, the burner started to touch the flame in the same manner as in Example 1. Calcined at 1500°C for 5 minutes to obtain a carbon-aluminum composite compound.

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Abstract

A method in which a novel composite compound excellent in heat resistance, lightweight property, flame retardancy, chemical resistance, and electrical conductivity can be obtained inexpensively and a substance which is harmful chemically or morphologically is converted into a harmless substance through a safe operation. The operation yields a structure which comprises the inorganic compound made harmless and the composite compound with which the surface of the inorganic compound is coated. Application of the method to a waste treatment can hence contribute to resource recycling. The compound is a carbon / aluminum composite compound obtained by distilling an aqueous dispersion containing poly(aluminum chloride) and a water-soluble organic substance to remove the water and then burning the residue at 300 DEG C or higher. The structure is one made of an inorganic compound coated with a carbon / aluminum composite compound and is obtained by impregnating inorganic compound particles with an aqueous solution containing poly(aluminum chloride) and a water-soluble organic substance and burning the resultant particles. Also provided is a method of waste treatment which comprises ripping off a waste containing an acicular inorganic compound while spraying an aqueous poly(aluminum chloride) solution thereover, subsequently infiltrating a water-soluble organic substance into the waste, and burning the mixture.

Description

technical field [0001] The present invention relates to a carbon-aluminum composite compound, an inorganic compound coated with a carbon-aluminum composite compound, and a method for treating wastes resulting in the generation of related compounds. Background technique [0002] Various compositions having heat resistance are known, but their heat resistance is not yet sufficient. Furthermore, in addition to heat resistance, compositions that have flame retardancy and electrical conductivity and are also advantageous in terms of cost are hardly known. For example, graphite, which is a type of carbon compound, has high heat resistance, but it burns when heated to 500° C. to 700° C. or higher in air, so it cannot have both heat resistance and flame retardancy. In addition, although metals and alloys are generally flame retardant, they have poor heat resistance. Metals such as platinum and tungsten have heat resistance, but due to their high density, it is difficult to achieve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/02A62D3/40B09B3/00C04B35/52A62D10/41C08J11/12
CPCC04B2235/5276C04B35/82C04B35/56C04B35/6286C04B2235/3409C04B35/636C04B2235/444C03C25/1005C04B35/62675C04B2235/5232C04B35/62213C04B2235/428C04B35/62886C04B2235/442C04B35/62209C04B2235/447C04B35/524C04B35/62831C04B2235/349C09K21/02C04B35/62204C04B35/62839C04B35/62873B09B3/0066C03C25/465
Inventor 杉山修
Owner VAN
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