Method for producing elastic graphite structures

Details Method for producing elastic graphite structures Method for producing elastic graphite structures

C - Chemistry, Metallurgy

01

B

23/303

C01B 31/04 (2006.01) C04B 38/00 (2006.01) C09C 1/46 (2006.01)

Patent

CA 1298456

ABSTRACT OF THE DISCLOSURE A method for producing graphite structures which are of light weight and excel in elasticity from a carbonaceous material comprises in succession the steps of: (a) treating said carbonaceous material with nitric acid or a nitric-sulfuric acid mixture, (b) bringing the acid-treated carbonaceous material into contact with a basic aqueous solution to make it soluble, (c) adding an acidic aqueous solution to the obtained soluble matter to regulate the pH of said soluble matter to 3 or less, thereby precipitating a carbonaceous component therefrom, and (d) graphitizing the thus precipitated carbonaceous component at 2,400°C or higher temperature.

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