Inorganic foundry binder systems and their uses

Details Inorganic foundry binder systems and their uses Inorganic foundry binder systems and their uses

1991-10-30

1994-01-18

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106691, 106801, 106 383, 106 3835, 501111, C04B 904, C04B 3504

Patent

active

052796655

ABSTRACT:
This invention relates to inorganic no-bake foundry binder systems and their uses. The binder systems comprise as separate Part A and Part B components: (A) an aqueous solution of specified phosphoric acids, and (b) a mixture comprising (1) an iron oxide selected from the group consisting of (a) ferrous oxide, (b) ferroferric oxide, and (c) mixtures thereof and (2) magnesium oxide. The binder systems are used to prepare foundry mixes which are used to prepare foundry molds and cores. The foundry molds and cores are used to cast metals.

REFERENCES:
patent: 3923525 (1975-10-01), Toeniskoetter et al.
patent: 4093647 (1978-06-01), Lyass et al.
patent: 4111705 (1978-09-01), Yunovich et al.
patent: 4430441 (1984-02-01), Zhukovsky et al.
Ueda "Feed For Raising Marine Fishes and Shell Fish" (Dec. 14, 1988) JP 63-19623y.
Kingery, W. D., Cold-Selling Properties, Journal of the American Chemical Society, pp. 242-250 (Aug. 1980).

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