University of Massachusetts

Basf Se Corporation

Umesh Choudhary

Todd Emrick

Sunitha Grandhee

Aabid A Mir

Madhu Sheri

A method for deblocking a blocked isocyanate is described herein. The method includes contacting a blocked isocyanate and a halide ion source under conditions effective to provide a deblocked isocyanate. A method of making a polyurethane is also disclosed. The method of making a polyurethane includes combining a blocked isocyanate, a polyol, and a halide ion source in the presence of solvent and under conditions effective to provide the polyurethane.

Method for deblocking a blocked isocyanate and method of making a polyurethane

Deoxybenzoin compounds including unsaturation are disclosed. The unsaturated deoxybenxoin compounds have the structure (I), (II), or (III) wherein R, R, R, R, R, R, and n are defined herein. Also disclosed are polyesters including repeating units having the structure (IV), (V), or a combination thereof wherein Ar, R, and m are defined herein. The polyesters can be further functionalized, for example by various phosphorous-containing compounds. The polyesters described herein can be useful for the preparation of various articles having reduced flammability.

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Worcester, MA, United States of America

Umesh Choudhary