Process for the manufacture of refractory ceramic products

Details Process for the manufacture of refractory ceramic products Process for the manufacture of refractory ceramic products

1977-01-17

1979-06-26

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 382, 106 383, 106 389, 164 16, 164 26, 164 35, 264221, 264225, B28B 734

Patent

active

041592042

ABSTRACT:
A ceramic molding composition comprising an alcoholate of aluminum or a metal of the fourth sub-group of the Periodic System, a refractory metal oxide and an agent selected from the group consisting of diketones of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently an aliphatic radical of between C.sub.1 and C.sub.18 carbon atoms or an aromatic radical from C.sub.6 to C.sub.18 carbon atoms, a hydroxycarboxylic acid compound of the formula ##STR2## wherein R.sub.3 is an aliphatic radical of C.sub.1 and C.sub.18 or an aromatic radical from C.sub.6 to C.sub.18, and R.sub.4 is hydrogen or an alkyl radical of C.sub.1 to C.sub.4, and a polyvalent alcohol, an improvement in the formation of a ceramic product wherein a ceramic molding composition is shaped and hardened, which improvement resides in employing the above defined ceramic molding composition.

REFERENCES:
patent: 3232771 (1966-02-01), Pearce
patent: 3255025 (1966-06-01), Oxley
patent: 3537949 (1970-11-01), Brown et al.
patent: 3743003 (1973-07-01), Brown
patent: 3854961 (1974-12-01), Flasch

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