Foundry binder

Details Foundry binder Foundry binder

1982-01-25

1984-08-07

Hayes, Lorenzo B.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

106 382, 164527, 524414, 524416, 524417, 524443, B28B 734

Patent

active

044644922

ABSTRACT:
A binder composition for a foundry aggregate and a hardener therefor, as the binder, polyvinylammonium phosphate and, as the hardener, a linear alkali polyphosphate, ammonium polyphosphate, a source of polyvalent metal cations, orthophosphoric acid, or mixtures thereof.

REFERENCES:
patent: 3250756 (1966-05-01), Bergmeister et al.
patent: 4390370 (1983-06-01), Seeney

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