Summary
A new method of preparation of sulfonated, crosslinked polystyrene particles is described. Particles were formed by Friedel-Crafts suspension crosslinking of polystyrene dissolved in nitrobenzene. The crosslinking agent was 1,4-dichloromethyl-2,5-dimethyl benzene. Sulfonation was achieved in the swollen state and the particles received were analyzed in terms of molecular structure and degree of swelling.
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Peppas, N.A., Staller, K.P. Friedel-Crafts crosslinking methods for polystyrene modification. Polymer Bulletin 8, 233–237 (1982). https://doi.org/10.1007/BF00700283
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DOI: https://doi.org/10.1007/BF00700283