Foundry core composition of aggregate and a binder therefor

Details Foundry core composition of aggregate and a binder therefor Foundry core composition of aggregate and a binder therefor

1978-07-24

1979-10-23

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 37N, C08K 336, C08K 506

Patent

active

041720687

ABSTRACT:
A foundry core composition of foundry aggregate, a polyol component or mixture thereof, a polyisocyanate, and as a selected solvent therefor, an acetal or ketal such as butyl acetal. The compositions are suitable for use in cold box, no-bake, and rapid no-bake processes.

REFERENCES:
patent: 3403721 (1968-10-01), Robins et al.
patent: 3965051 (1976-06-01), Markusch et al.
patent: 4051092 (1977-09-01), Holik et al.

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