This work was supported by the National Natural Science Foundation of China (No. 20371037);the Natural Science Foundation of Hubei Province, China (No. 2002AB066).
Two polyurethanes of different molecular weights were prepared by the copolymerization of phenyl diisocyanate and diisopropyl tartrate. The polyurethanes having terminal isocyanate groups were reacted with 3-aminoprop...