Curatives for phenolic novolacs

Details Curatives for phenolic novolacs Curatives for phenolic novolacs

B - Operations, Transporting

22

C

B22C 1/22 (2006.01) B29C 43/00 (2006.01) C04B 35/634 (2006.01) C04B 35/66 (2006.01) C04B 41/48 (2006.01) C08L 61/06 (2006.01) C08L 61/10 (2006.01) C08L 61/26 (2006.01) C08L 61/28 (2006.01) F27D 1/16 (2006.01)

Patent

CA 2118078

A binder composition of a phenolic novolac resin and a (lower) alkoxylated triazine-formaldehyde resin curing agent is disclosed. The triazine resins have sufficient carbon atoms in the alkoxy groups so as to provide a curing agent having a water solubility of less than 15%. The binder cures at high temperatures so as to provide improved flow and prolonged workability to the composition. The compositions are useful in refractory applications having a need for high temperature curing agents such as for maintenance and repair within refractory vessels by gunning/spraying, manufacture of electrodes by the Soderberg method, and for use in blast furnace tap holes.

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