Fire-retardant polyurethane systems

Details Fire-retardant polyurethane systems Fire-retardant polyurethane systems

C - Chemistry, Metallurgy

08

L

C08L 75/04 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08K 3/22 (2006.01) C08K 5/521 (2006.01) C08K 5/523 (2006.01) C08K 9/00 (2006.01) C08K 9/04 (2006.01)

Patent

CA 2197598

A storage-stable moisture-curing one-component fire- retardant polyurethane system, useful as adhesive, sealant or coating material, comprising at least one hydrated mineral having a water-content of less than 0.1% and being treated with a moisture-reactive compound, and at least one binder on isocyanate basis. Such PU-systems preferably further comprise at least one phosphorus- containing compound, most preferably a phosphorus- containing plasticizer, which is preferably halogen-free. The binder on isocyanate basis has preferably an isocyanate content in the range of from 0.01 to 10 % by weight referred to the total weight of the system.

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