Furan resin binder for molding and core sands

Details Furan resin binder for molding and core sands Furan resin binder for molding and core sands

C - Chemistry, Metallurgy

08

G

400/1317, 402/95

C08G 12/42 (2006.01) B22C 1/22 (2006.01) B22C 1/26 (2006.01) C08L 61/34 (2006.01)

Patent

CA 1191993

ABSTRACT OF THE DISCLOSURE A resin-binder is provided that is especially useful for the preparation of foundry cores and molds. The novel resin binder which includes a sugar alcohol as an extender for the furfuryl alcohol in a urea, formaldehyde and furfuryl alcohol resin gives cores and molds with improved curing and strength properties over those formed with resins containing other furfuryl alcohol extenders. - 13 -

395928

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