Curable binder for large foundry sand shapes

Details Curable binder for large foundry sand shapes Curable binder for large foundry sand shapes

1977-08-17

1979-11-20

Lilling, Herbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

164 43, 260 2915B, 260 294R, 260 304N, 260 304SB, 260 318J, 260 332R, 260 332SB, 260 34R, 260395B, 260 4253, 260 318S, 525418, C08K 505, C08K 336, C08K 510

Patent

active

041750675

ABSTRACT:
A furfuryl alcohol-based foundry binder for use in the manufacture of large foundry sand shapes is disclosed. It is intended as a replacement for conventional alkyd oil foundry binders, and comprises a monomeric mixture of furfuryl alcohol, other alcohols, glycols, or polyols, and high boiling mixtures of ester-substituted diphenyl and polyphenyl aromatic compounds, and a strong acid catalyst. In addition, the binder may include, for example, urea-formaldehyde syrup.

REFERENCES:
patent: 2471600 (1949-05-01), Adams et al.
patent: 3024215 (1962-03-01), Freeman et al.
patent: 3057026 (1962-10-01), Blaies et al.
patent: 3184814 (1965-05-01), Brown
patent: 3247556 (1966-04-01), Buell et al.
patent: 3716512 (1973-02-01), Vargiv et al.
patent: 3734936 (1973-05-01), Brown et al.
patent: 3793286 (1974-02-01), Petersen et al.
patent: 4033925 (1977-07-01), Anderson

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