Metal silico-phosphate binders and foundry shapes produced there

Details Metal silico-phosphate binders and foundry shapes produced there Metal silico-phosphate binders and foundry shapes produced there

1982-01-25

1983-05-17

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 389, 164528, 164 37, B28B 734

Patent

active

043838618

ABSTRACT:
A hydrogel binder for a foundry aggregate comprising, in combination, a metal silico-phosphate and as a hardener therefor a mixture of aluminum dihydrogen phosphate, water and phosphoric acid and a process for manufacturing molds and cores from same.

REFERENCES:
patent: 4209056 (1980-06-01), Gardikes et al.
patent: 4247333 (1981-01-01), Ledder
patent: 4357165 (1982-11-01), Helferich et al.

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