Process for making mesophase pitch

Details Process for making mesophase pitch Process for making mesophase pitch

C - Chemistry, Metallurgy

10

C

196/36

C10C 3/04 (2006.01) C08L 93/00 (2006.01) C10C 3/00 (2006.01)

Patent

CA 2030150

Case No. 7698 IMPROVED PROCESS FOR MAKING MESOPHASE PITCH Abstract of the Disclosure An improved process for producing an anisotropic pitch product suitable for carbon fiber manufacture. A carbonaceous feedstock is heated at elevated temperature while passing a reac- tive sparging gas through the feedstock. The sparging gas is an oxidative gas such as a gaseous mixture containing a major proportion of inert gas and from about 0.1 to 2% by volume of oxygen. The process produces an anisotropic pitch having from 50 to 100% by volume mesophase which is suitable for producing good quality carbon fibers.

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