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Citation: Li Hongqi. Catalytic Synthesis of Allyl Terminated Polyoxyalkylene by Quaternary Ammonium Salt[J]. Chinese Journal of Applied Chemistry, ;1994, 11(3): 72-74. shu

Catalytic Synthesis of Allyl Terminated Polyoxyalkylene by Quaternary Ammonium Salt

Li Hongqi

1.
Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000

Received Date: 8 September 1993
Available Online: 30 November 1993

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.
- allyl terminated polyoxyalklene macromer,
- catalytic synthesis,
- quaternary ammo-nium salt,
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