Neutralization of polyalkylene carbonate polyols for...

Details Neutralization of polyalkylene carbonate polyols for... Neutralization of polyalkylene carbonate polyols for...

C - Chemistry, Metallurgy

07

C

400/104

C07C 68/08 (2006.01) C08G 18/08 (2006.01) C08G 18/44 (2006.01) C08K 5/42 (2006.01)

Patent

CA 1320772

ABSTRACT A prepolymer stabilization process for polyalkylene carbonate polyols includes the steps of adding a small quantity of an organosulfonic acid with stirring until base neutralization is achieved. One measure of base neutralization is a negative CPR, a test relating to controlled polymerization rate. 34,982-F -11-

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