Phenolic resin-polyisocyanate binder systems containing a...

Details Phenolic resin-polyisocyanate binder systems containing a... Phenolic resin-polyisocyanate binder systems containing a...

C - Chemistry, Metallurgy

08

G

22/164, 400/7305

C08G 18/54 (2006.01) B22C 1/22 (2006.01) C08G 8/28 (2006.01) C08G 8/32 (2006.01) C08G 18/08 (2006.01) C08G 18/18 (2006.01) C08G 18/28 (2006.01)

Patent

CA 1252936

ABSTRACT A binder containing a phenolic resin, a polyisocyanate, a curing component, and a phosphorous halide and use thereof. The binder compositions of the present invention are especially useful as molding compositions such as refractories, abrasive articles, and molding shapes such as cores and molds. Such are especially useful in obtaining foundary shapes which exhibit improved benchlife.The compositions can be cured at room temperature by employing a gaseous curing agent.

473007

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