Ester cured no-bake foundry binder systems

Details Ester cured no-bake foundry binder systems Ester cured no-bake foundry binder systems

1994-06-16

1995-04-11

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523146, 523424, B22C 122, C08K 336, C08L 6110, C08L 6302

Patent

active

054058813

ABSTRACT:
The invention relates to an ester cured no-bake foundry binder system preferably comprising as separate components (a) an aqueous basic solution of a phenolic resole resin; (b) a hardener comprising (i) an epoxy resin, and (ii) a liquid ester.

REFERENCES:
patent: 3404118 (1968-10-01), Guyer
patent: 4508765 (1985-04-01), Ring
patent: 4596840 (1986-06-01), Hesse
patent: 4732920 (1988-03-01), Graham
patent: 4761441 (1988-08-01), Woodson
patent: 4980394 (1990-12-01), Lemon
patent: 4988745 (1991-01-01), Iyer
patent: 5082876 (1992-01-01), Iyer et al.

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