Curing binders for foundry moulds and cores

Details Curing binders for foundry moulds and cores Curing binders for foundry moulds and cores

1985-08-13

1986-08-12

Jacobs, Lewis T.

Metal founding

Process

Shaping a forming surface

164527, 164528, 523139, B22C 912

Patent

active

046050523

ABSTRACT:
A foundry binder of the water-soluble alkali metal polyacrylate type having additives that include lime is cured by the use of the vapour of a low-boiling point organic ester having not more than three carbon atoms, primarily methyl formate, entrained in a carrier gas, e.g. carbon dioxide or nitrogen.

REFERENCES:
patent: 3645937 (1972-02-01), Lang et al.
patent: 4269256 (1981-05-01), Nakazawa et al.
patent: 4495980 (1985-01-01), Morley
patent: 4526219 (1985-07-01), Dunnavant et al.

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