Synthesis and Polymerization of 4-Vinylbenzylphenylsulfone

Ideisan I.  Abu-Abdoun

doi:10.6000/1929-5995.2023.12.16

Authors

Ideisan I. Abu-Abdoun Department of Chemistry, University of Sharjah - Sharjah P .O Box 27272, UAE https://orcid.org/0000-0003-4230-462X

DOI:

https://doi.org/10.6000/1929-5995.2023.12.16

Keywords:

4-Vinylbenzylphenylsulfone, chloromethylstyrene, Polysulfone synthesis, free radical polymerization, copolymerization reactions

Abstract

The preparation of new sulfone monomer and polymer based on 4-Vinylbenzylphenylsulfone (4-VBPS) and free radical polymerization was investigated, based on the reaction of chloromethyl styrene with sodium phenyl sulfone (phSO₂Na) in dimethylformamide (DMF), using the phase transfer catalysts 18-crown-6. Copolymerization of the prepared sulphone monomer with p-methylstyrene was carried out at 65 ˚C. Nonpolymerizable 4-Ethylbenzylphenylsulfone was also prepared. The prepared monomers and polymers were characterized by different spectroscopic techniques, the number-average molecular weights (M_n) of the resulting polymer was found to be in the range of 70,100 -73,100, with polydispersity indices (M_w/M_n) vary from 1.8 to 1.9. Photolysis of the prepared polysulfone polymer and possible grafting of methyl methacrylate (MMA) monomer will be reported.

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