C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/104, 22/190,
C08G 14/02 (2006.01) B22C 1/22 (2006.01) C04B 26/12 (2006.01) C08G 16/02 (2006.01) C08L 61/00 (2006.01) C08L 61/34 (2006.01)
Patent
CA 1106530
ABSTRACT OF DISCLOSURE This invention provides resin compositions for use in bonding sand and like particulate refractory material in the production of metal casting cores and moulds. The resin compositions of the invention comprise furfuryl alcohol and an aromatic hydrocarbon-formaldehyde resin which is soluble in furfuryl alcohol such as a toluene formaldehyde resin. Such compositions can be free of nitrogen- containing resins but may include a urea-formaldehyde resin. A silane and a diluent can also be included.
283599
Flood James
Smith James I.h.
Wilson David C.
Foseco Technik Ag
Gowling Lafleur Henderson Llp
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