Hydrofluoric acid resistant ceramic mortar

Details Hydrofluoric acid resistant ceramic mortar Hydrofluoric acid resistant ceramic mortar

1996-11-04

1999-08-03

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 94, 501 99, 501100, 501127, 501151, C04B 3510

Patent

active

059325054

ABSTRACT:
Hydrofluoric acid-resistant ceramic mortar compositions containing a hydrofluoric acid-resistant grog having a particle size distribution imparting a high particle packing fraction to the mortar composition and a binding phase containing a metal salt having a particle size distribution imparting plasticity to the mortar composition selected from hydrofluoric acid-insoluble fluoride salts, metal salts capable of forming hydrofluoric acid-insoluble fluoride salts upon reaction with a fluorinating reagent and mixtures thereof. Methods for forming hydrofluoric acid-resistant ceramic mortar compositions from non-fluoride metal salts are also disclosed as well as methods for bonding refractory bricks into a brickwork unit with the ceramic mortars of the invention. Brickwork units prepared using the ceramic mortar compositions of the invention by the methods of the invention are also described.

REFERENCES:
patent: 3429720 (1969-02-01), Houston et al.
patent: 4735925 (1988-04-01), Kato et al.
patent: 4746637 (1988-05-01), Kasori et al.
patent: 4806509 (1989-02-01), Porterfield
patent: 5411583 (1995-05-01), Bennison et al.
Introduction to the Principles of Ceramic Processing, Reed (1988) p. 375.

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