Summary
Styrene polymers containing pendant p-vinyl or p-oxirane functionalities on some of their aromatic rings have been prepared in excellent yields by chemical modification of chloromethylated polystyrene or carboxaldehyde-substituted polystyrene under phase transfer catalysis. The polymers containing pendant vinyl groups were obtained by Wittig reactions with aqueous formaldehyde while the polymers with p-oxirane pendant groups were obtained by reaction of the carboxaldehyde polymer with trimethyl sulfonium chloride or epoxidation of the p-vinyl substituted polymer.
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Fréchet, J.M.J., Eichler, E. Chemical modification of polystyrene under phase transfer catalysis. Polymer Bulletin 7, 345–351 (1982). https://doi.org/10.1007/BF00254289
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DOI: https://doi.org/10.1007/BF00254289