Carbon-carbon composites containing poorly graphitizing...

Details Carbon-carbon composites containing poorly graphitizing... Carbon-carbon composites containing poorly graphitizing...

C - Chemistry, Metallurgy

08

L

31/157, 6/158, 1

C08L 95/00 (2006.01) C04B 35/532 (2006.01) C04B 35/83 (2006.01) C10C 1/00 (2006.01)

Patent

CA 1335323

A unitary composite structure having improved flexural strength and a reduced coefficient of thermal expansion comprising a heterogeneous combination of a carbonaceous reinforcing material interbonded with a matrix material, wherein the said matrix material is a poorly graphitizing carbonaceous pitch containing polymerized and cross-linked aromatic components is disclosed. Graphite electrodes comprised of the poorly graphitized pitch matrix material acting as a binder and/or an impregnant are also disclosed. Processes for the preparation of the poorly graphitizing pitch, the composite structure, and particularly the graphite electrodes are disclosed as well.

522522

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