Foundry resin compositions comprising furfuryl alcohol and a cop

Details Foundry resin compositions comprising furfuryl alcohol and a cop Foundry resin compositions comprising furfuryl alcohol and a cop

1977-12-21

1979-03-06

Lilling, Herbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

164 43, 260 2915B, 260 304R, 260 334R, 260395B, 260 4253, 260829, 264219, 526347, C08K 336, C08L 6106, C08K 505, B22C 122

Patent

active

041430220

ABSTRACT:
Resin compositions suitable for use in the bonding of particulate refractory material, such as sand, in the production of metal casting cores and molds is provided wherein the composition is composed of furfuryl alcohol and a copolymer of styrene and allyl alcohol. The copolymer is capable of forming a stable homogeneous solution with the furfuryl alcohol. The composition may further contain a silane to promote adhesion of the resin composition as well as an acid catalyst.

REFERENCES:
patent: 2940946 (1960-06-01), Shokal et al.
patent: 3024215 (1962-03-01), Freeman et al.
patent: 3454418 (1969-07-01), Forsberg
patent: 3557033 (1971-01-01), Brinton
patent: 3594345 (1971-07-01), Brown et al.
patent: 3597386 (1971-08-01), Brabander
patent: 3681286 (1972-08-01), Brown et al.
patent: 3734936 (1973-05-01), Brown et al.
patent: 3993117 (1976-11-01), Chevriot et al.
patent: 4033925 (1977-07-01), Anderson
patent: 4045385 (1977-08-01), Klein et al.

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