High coking value pitch binders

Details High coking value pitch binders High coking value pitch binders

1985-12-05

1988-08-09

Clingman, A. Lionel

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106285, C09D 300

Patent

active

047625660

ABSTRACT:
A binder which comprises pitch and the condensation product of (A) a ketone or dione selected from the group consisting of C.sub.3 to C.sub.13 aliphatic linear, branched or cyclic ketones and diones having at least one active hydrogen on each carbon atom adjacent to a ##STR1## group, compounds of the formula: ##STR2## wherein a and b are integers having a values of 0 to 6, and the C.sub.1 to C.sub.4 alkyl substituted derivatives thereof; and (B) at least one compound selected from the group consisting of C.sub.5 to C.sub.11 aldehydes, said aldehydes having an aromatic ring containing 4 to 6 carbon atoms and 0 to 1 oxygen atoms, wherein said condensation product has a Heat of Reaction Value of less than about 155 cal/g. Said binders being useful in the production of graphite electrodes having superior physical and electrical properties.

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patent: 4350800 (1982-09-01), Hesse et al.
patent: 4501836 (1985-02-01), Nakamura et al.

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