Cement for collector bar-carbon block joints of electrolytic cel

Details Cement for collector bar-carbon block joints of electrolytic cel Cement for collector bar-carbon block joints of electrolytic cel

1987-08-14

1990-04-10

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252502, 204243R, 524495, 524496, H01B 106

Patent

active

049158740

ABSTRACT:
A cement for collector bar-carbon block joints of electrolytic cells, particularly for cells used for the production of aluminum. The cement comprises an aggregate of calcined anthracite or an anthracite/graphite mixture, a settable liquid polymeric binder and a curing agent for causing the binder to set. The cement is formulated so that it has a linear shrinkage of about 0.3 to 1.5% when exposed to the operating temperatures of the cell. The cement maintains a good electrical connection between the collector bar and carbon block without causing cracking of the block or of the cement.

REFERENCES:
patent: 3334040 (1967-08-01), Conrad et al.
patent: 3421991 (1969-01-01), Hildebrandt
patent: 3468737 (1969-09-01), Hildebrandt
patent: 3853793 (1974-12-01), Brown et al.
patent: 3856574 (1974-12-01), Amagi et al.
patent: 3871986 (1975-03-01), Reamey et al.
patent: 4001104 (1977-01-01), Vadla et al.
patent: 4288353 (1981-09-01), Eckel et al.

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