Curing binders for foundry moulds and cores

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

B - Operations, Transporting

22

C

22/164

B22C 1/22 (2006.01)

Patent

CA 1214919

ABSTRACT OF THE DISCLOSURE CURING BINDERS FOR FOUNDRY MOULDS AND CORES 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.

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