Plugging compositions for blast furnace tap holes

Details Plugging compositions for blast furnace tap holes Plugging compositions for blast furnace tap holes

1976-03-12

1978-02-07

Garvin, Patrick P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 55, 106 58, 106 65, 106 67, 260 38, C04B 3502, C04B 3566, C04B 3504, C04B 3566

Patent

active

040725316

ABSTRACT:
Plugging compositions for blast furnace tap holes comprising a refractory filler, a wetting agent, and a binder therefor comprising a phenol-aldehyde condensate resin chemically modified by reaction with lignin have a muddy consistancy, and are characterized by enhanced compressive strength at elevated temperatures and increased plasticity at low temperatures as compared to conventional binders.

REFERENCES:
patent: 2502498 (1950-04-01), Williamson et al.
patent: 2820265 (1958-01-01), Kohl et al.
patent: 2956033 (1960-10-01), Apel et al.
patent: 2956033 (1960-10-01), Apel et al.
patent: 3336185 (1967-08-01), Helbing
patent: 3567807 (1971-03-01), Shannon
patent: 3668160 (1972-06-01), Horton et al.
patent: 3689299 (1972-09-01), Brown et al.
patent: 3832426 (1974-08-01), Malthouse et al.
patent: 3840485 (1974-10-01), Brown et al.

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