Preparation method of mesophase carbon microsphere

Application Number: 00107908
Application Date: 2000.05.26
Publication Number: 1272453
Publication Date: 2000.11.08
Priority Information:
International: C01B31/02;C10C3/00
Applicant(s) Name: Anshan Inst. of Heat Energy, Ministry of Metallurgical Industry
Inventor(s) Name: Ma Junqi;Shang Erchao;Zhang Dianhao
Patent Agency Code: 11207
Patent Agent: cheng guanghu
Abstract The preparation of intermediate phase carbon microsphere includes the steps of raw material preparation, polymerization reaction separation and drying, and the composition of its raw materials includes basic raw material 80-99.9% and catalyst 0.1-20%, and its basic raw material is coal-tar or pitch or one of coal tar and pilch or their combination, and its catalyst can be any one of halides of iron, cobalt and nickel or haloalkyl substituted compounds of iron, cobalt and nickel or combination of more than two kinds of them. Said invented polymerization parameters: temp. is 350-500 deg.C, pressure is 1.0X10 to the third-1.0X10 to the seventh Pa, reaction time is 0.01-10 hr and inert gas protection.