Monomeric furfuryl alcohol-resorcinol foundry binders

Details Monomeric furfuryl alcohol-resorcinol foundry binders Monomeric furfuryl alcohol-resorcinol foundry binders

1976-07-12

1977-07-05

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

164 43, 260 334P, 260 47UA, 260DIG40, C08K 336

Patent

active

040339254

ABSTRACT:
A monomeric foundry binder comprising furfuryl alcohol and resorcinol is disclosed. The binder is substantially anhydrous, generates no nitrogen, is free of formaldehyde odor both in fabrication of the binder and in production of the sand shapes, and in pouring operations. It provides strengths which are better than those normally achieved with polymeric furfuryl alcohol-containing resins, and provides for quicker strip times.

REFERENCES:
patent: 1987228 (1935-01-01), Brunson
patent: 2831898 (1958-04-01), Ecke et al.
patent: 3008205 (1961-11-01), Blaies
patent: 3487043 (1969-12-01), Grudus
patent: 3639654 (1972-02-01), Robins

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