C - Chemistry – Metallurgy – 10 – C
Patent
C - Chemistry, Metallurgy
10
C
196/36
C10C 3/02 (2006.01) C10C 3/00 (2006.01) D01F 9/155 (2006.01)
Patent
CA 1181709
Abstract of the Disclosure A starting pitch for carbon fibers, produced by heat treating at 400-500°C under a hydrogen pressure of at least 20 Kg/cm2?G (1) a heavy fraction oil boiling at a temperature not lower than 200°C, obtained during fluidized catalytic cracking of petroleum or (3) a mixture of the heavy fraction oil (1) with (2) a heavy fraction oil boil- ing at a temperature not lower than 200°C obtained when steam cracking petroleum, the pitch so produced being heat treated to make precursor pitch therein, melt spun, in- fusibilized and carbonized or further graphitized to give the carbon fibers.
400900
Hirose Takao
Kato Osamu
Takashima Hiroaki
Uemura Seiichi
Yamamoto Shunichi
Nippon Oil Co. Ltd.
Swabey Ogilvy Renault
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