Foundry mold composition and process for producing foundry mold

Details Foundry mold composition and process for producing foundry mold Foundry mold composition and process for producing foundry mold

1977-12-01

1979-07-31

Hayes, Lorenzo B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 383, 106 3835, 106 83, 106 84, 164 43, 260 296H, 260 4211, 260 4213, C08L 2504, B28B 734

Patent

active

041630009

ABSTRACT:
A foundry mold composition comprising a foundry mold sand, a binder in an amount sufficient to bind the sand and less than 1 part by weight, per 100 parts by weight of the sand, of clay, said binder being an aqueous solution of a water-soluble maleic acid-type copolymer in an amount of at least 1 part by weight per 100 parts by weight of the sand, and a process for producing a foundry mold, using aforesaid composition.

REFERENCES:
patent: 2765507 (1956-10-01), Wolf et al.
patent: 2817128 (1957-12-01), Wickett
patent: 2853461 (1958-09-01), Padbury et al.
patent: 3005245 (1961-10-01), Howard
patent: 3104230 (1963-09-01), Dewey et al.
patent: 3330890 (1967-07-01), Holt et al.
patent: 3345302 (1967-10-01), Netting et al.
patent: 3804643 (1974-04-01), Arita et al.

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