Furfuryl alcohol-hexaalkoxymethylmelamine foundry binders

Details Furfuryl alcohol-hexaalkoxymethylmelamine foundry binders Furfuryl alcohol-hexaalkoxymethylmelamine foundry binders

1977-06-20

1978-08-22

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

164 43, 260 39R, 260DIG40, 528249, 528417, 528232, 528408, C08K 336, C08K 714

Patent

active

041088263

ABSTRACT:
A foundry binder comprising furfuryl alcohol and hexaalkoxymethylmelamine is disclosed. The binder is substantially anhydrous. In using the binder it is substantially free of formaldehyde odor in the fabrication of the binder, in the production of sand shapes, and in metal foundry pouring operations. The hexaalkoxymethylmelamine does not have to be cooked with the furfuryl alcohol as does formaldehyde in commercial furfuryl alcohol-formaldehyde binders, and yet the binder provides strengths which are comparable to the furfuryl alcohol-formaldehyde binders.

REFERENCES:
patent: 2518388 (1950-08-01), Simons
patent: 3008205 (1961-11-01), Blaies
patent: 3523051 (1970-08-01), Yasutake
patent: 3734936 (1973-05-01), Brown et al.

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