Abstract: Polyoxyalkylene macromers containing allyl end group were synthesized from polyoxyethylene-polyoxypropylene block copolymers and allyl chloride using tetrabutylammonium bromide as catalyst.The influences of catalysts amounts, solvents and reaction temperature and reaction time on the yield have been studied.The optimum conditions are reported.Compared with the Williamson′s method,this method gave a higher yield of allyl termination in polyoxyalkylene macromer preparation.

Key words: allyl terminated polyoxyalklene macromer, catalytic synthesis, quaternary ammonium salt