Aromatic pitch from asphaltene-free steam cracker tar fractions

Details Aromatic pitch from asphaltene-free steam cracker tar fractions Aromatic pitch from asphaltene-free steam cracker tar fractions

C - Chemistry, Metallurgy

10

C

196/36

C10C 3/00 (2006.01) D01F 9/155 (2006.01)

Patent

CA 1197206

ABSTRACT OF THE DISCLOSURE A process and a product of the process for preparing a pitch suitable for carbon artifact manufac- ture features a pitch having a weight content of between 80 and 100 percent toluene insolubles. The pitch is derived from a deasphaltenated middle fraction of a steam cracker tar feedstock. The middle fraction is rich in 2, 3, 4, and 5 polycondensed aromatic rings. The pitch is characterized as being relatively free of impurities and ash.

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