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Structural evidence for a complex participation in the alternating copolymerization of citraconic (α-methylmaleic) anhydride with styrene in N,N-dimethylformamide

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Summary

The 13C DEPT NMR spectra of semi-alternating copolymers of citraconic (α-methylmaleic) anhydride (CA) and styrene (ST) prepared in a very polar solvent, N,N-dimethyformamide (DMF), with AIBN show that more than 50 % of the linkage configuration at the cyclic CA units is in cis configuration. Since the cis linkage configuration may result when the electron donor-acceptor complex formed between the comonomers is involved in the propagation, it is considered that, in very polar DMF, a participation of the complex is the driving force for the copolymerization.

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Authors and Affiliations

  1. Division of Chemistry, University of New England, Armidale, N.S.W. 2351, Australia, , , , , , GB

    Nguyen T. H. Ha, Kiyohisa Fujimori, David J. Tucker & Peter C. Henry

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  1. Nguyen T. H. Ha
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  2. Kiyohisa Fujimori
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  3. David J. Tucker
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  4. Peter C. Henry
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Received: 16 November 1998/Accepted: 29 January 1999

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Ha, N., Fujimori, K., Tucker, D. et al. Structural evidence for a complex participation in the alternating copolymerization of citraconic (α-methylmaleic) anhydride with styrene in N,N-dimethylformamide. Polymer Bulletin 42, 309–312 (1999). https://doi.org/10.1007/s002890050468

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  • DOI: https://doi.org/10.1007/s002890050468

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