Abstract: Disclosed is a process for the preparation of a carbonaceous molded body, which comprises mixing elastic graphite particles with a binder and molding the mixture. A carbonaceous molded article having a light weight and an excellent elasticity, which is characterized by a bulk density lower than 1.0 g/cm.sup.3 and a recovery ratio of 50% or more at a compressibility of 5 to 50%, is obtained according to this process.

Abstract: A process for producing an elastic graphite molded product having light weight and excellent elasticity which comprises the steps of mixing elastic graphite particles as fillers with a binder resin, thereby to adhere the binder resin to the surface of the elastic graphite particles as in the form of a spider web, and thereafter molding the thus obtained mixture.

Abstract: 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-treating 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.degree. C. or higher temperature.

Abstract: 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.degree. C. or higher temperature.

Abstract: A graphite structure, which is of light weight and excellent elasticity and has a packing density of 0.5 g/cm.sup.3 or lower and a recovery of 50% or higher at a compressibility of 10 to 90%, is obtained by treating a carbonaceous material with nitric acid or a mixture of nitric and sulfuric acids and, then, heat-treating the obtained product at a temperature of 2,400.degree. C. or higher to graphitize the same.