A process for the continuous preparation of melt-processable...

Details A process for the continuous preparation of melt-processable... A process for the continuous preparation of melt-processable...

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) B29B 7/20 (2006.01) C08G 18/08 (2006.01) C08G 18/66 (2006.01)

Patent

CA 2246166

The invention relates to a process for the continuous preparation of melt-process-able polyurethanes, wherein an isocyanate-terminated prepolymer is intensively mixed with chain extender at temperatures of <200°C, and the mixture obtained is converted to melt processable polyurethane in a twin screw extruder under quasi-adiabatic reaction conditions.

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