Pitch bonded refractory

Details Pitch bonded refractory Pitch bonded refractory

1976-12-17

1980-01-22

Rutledge, L. Dewayne

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 58, 106 65, 106 70, C04B 3552

Patent

active

041848837

ABSTRACT:
A pitch bonded refractory is disclosed. The refractory consists essentially of size graded aggregate particles, pitch and a cure accelerator for the pitch. The cure accelerator can be magnesium hydroxide, magnesium nitrate, calcium nitrate, zinc nitrate, ferrous nitrate, ferrous sulfide, magnesium carbonate, ferric oxide, ferrosoferric oxide or ferrous sulfate, and can constitute from 1/2 to 2 percent of the refractory, based upon the weight of the aggregate. The pitch can be either coal tar pitch or petroleum pitch, and can constitute from about 3 to 12 percent, based upon the weight of the aggregate.

REFERENCES:
patent: Re27111 (1971-03-01), Wilson
patent: 218336 (1879-08-01), Thomas
patent: 3141790 (1964-07-01), Davies et al.
patent: 3236664 (1966-02-01), Wilson
patent: 3468683 (1969-09-01), Montgomery
patent: 3556822 (1971-01-01), Henry et al.
patent: 3594455 (1971-07-01), Polovoi
patent: 3664853 (1972-05-01), Leonard et al.
patent: 3689299 (1972-09-01), Brown et al.
patent: 3840485 (1974-10-01), Brown et al.
patent: 3994738 (1976-11-01), Visser
"The Condensed Chemical Dictionary," Van Nostrand Reinhold Co., 1971, p. 37.
Hackh's Chemical Dictionary, 4th ed. (1969), pp. 31-33.

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