Polyurethane-forming binder systems containing a...

Details Polyurethane-forming binder systems containing a... Polyurethane-forming binder systems containing a...

C - Chemistry, Metallurgy

08

L

C08L 75/04 (2006.01) B22C 1/22 (2006.01) C08G 18/08 (2006.01) C08G 18/54 (2006.01) C08K 3/32 (2006.01)

Patent

CA 2139574

Polyphosphoryl chlorides are used in polyurethane-forming foundry binder systems to extend the bench life of foundry mixes prepared by mixing the binder systems with sand. The foundry mixes are particularly useful for preparing molds and cores used for making metal castings.

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