Resin binders for foundry sand cores and molds

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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164 21, 528165, 524594, C08L 6106

Patent

active

043361790

ABSTRACT:
A granular composition is provided that is especially useful for the preparation of foundry cores and molds. Incorporated in the composition is a novel resin binder that imparts rapid curing properties to the composition.

REFERENCES:
patent: 3755229 (1973-08-01), Johnson et al.
patent: 3839251 (1974-10-01), Bornstein
patent: 4055528 (1977-10-01), Kim

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