Process for preparing olivine sand cores and molds

Details Process for preparing olivine sand cores and molds Process for preparing olivine sand cores and molds

1982-11-12

1985-06-11

Carter, H. T.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2536

Patent

active

045227993

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.

REFERENCES:
patent: 4383861 (1983-05-01), Seeney et al.
patent: 4396725 (1983-08-01), Seeney et al.
patent: 4418048 (1983-11-01), Dyer et al.
Chemical Abstracts 94(3) 14491p.
Chemical Abstracts 94(5) 29444z.
Chemical Abstracts 76(20) 114943j.

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