Neutralization of polyakylene carbonate polyols for polyurethane

Details Neutralization of polyakylene carbonate polyols for polyurethane Neutralization of polyakylene carbonate polyols for polyurethane

1991-08-15

1993-02-23

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbonate esters

C07C 6808

Patent

active

051891964

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.

REFERENCES:
patent: 3770793 (1973-11-01), Sherr
patent: 4338429 (1982-07-01), Serini et al.
patent: 4448727 (1984-05-01), Factor et al.
patent: 4528364 (1985-07-01), Prier
patent: 4533729 (1985-08-01), Newland et al.

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