Binder for the ideal anode carbon

Abstract

Experiments with many different kinds of binder filler combinations for anode paste formulation have shown that the ideal binder, which can be made from either bituminous coal or petroleum, should produce a rather isotropic coke to best achieve the most desirable properties of anode carbon. The normal production process for coal-tar pitch results in such a binder, where the binder coke is disorganized by primary quinoline-insolubles formed in the vapor space above the coal in the coking ovens. However, for both coal-tar and petroleum pitches, the process can be improved by either changing the thermal treatment variables, or addition of selected artificial quinoline-insolubles.