Method of producing refractory materials and their applications

Details Method of producing refractory materials and their applications Method of producing refractory materials and their applications

1991-12-04

1993-04-27

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Pore-forming

501 88, 501 95, 501128, 501153, 106 83, C04B 3806

Patent

active

052061914

ABSTRACT:
A method of producing a refractory material of the non-shaped type is disclosed. Refractory aggregates and a binder are mixed ensuring cohesion by chemical bonding. The mixture is shaped and fired. A charge comprising refractory particles of a polymodal granulometric distribution is mixed with a liquid binder consisting of a mixture in an aqueous medium of polysilicate-based mineral polymers and a mineral polymer comprising sialate groups. The paste obtained is shaped and after hardening of the mixture at a temperature between ambient temperature and 200.degree. C., the hardened mixture is brought to a temperature between 200.degree. and 1300.degree. in order to obtain a refractory material having high mechanical properties, high resistance to thermal shock and resistance to chemical corrosion.

REFERENCES:
patent: 4349386 (1982-09-01), Davidovits
patent: 4357165 (1982-11-01), Helferich et al.
patent: 4472199 (1984-09-01), Davidovits et al.
patent: 4888311 (1989-12-01), Davidovits et al.

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