Method for producing solid carbon material having high...

Details Method for producing solid carbon material having high... Method for producing solid carbon material having high...

C - Chemistry, Metallurgy

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B

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C01B 31/02 (2006.01) C01B 31/00 (2006.01) C04B 35/52 (2006.01) D01F 9/145 (2006.01) D01F 9/155 (2006.01)

Patent

CA 1073166

ABSTRACT Solid carbon articles having high flexural strength and low porosity can be produced by introducing a suitable amount of oxygen, sulfur or halogen into a raw pitch material so as to satisfy the undernoted general equation, thereby obtaining a precursory carbon material containing therein functional groups; press-forming said precursory carbon material into a desired article; and subsequently carbonizing and graphitizing said shaped article; wherein said general equation is represented by Image where, H/C is a hydrogen-to-carbon atomic ratio of the raw pitch material, f is a variable weight percent of oxygen, sulfur or halogen introduced into the raw pitch material, and R is an almost constant numeral ranging from 0.2 to 0.3.

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