Synthesis of Main-Chain Poly(fullerene)s from a Sterically Controlled Azomethine Ylide Cycloaddition Polymerization
2016
Ramanitra, Hasina H. | Santos Silva, Hugo | Bregadiolli, Bruna A. | Khoukh, Abdel | Combe, Craig M. S. | Dowland, Simon A. | Bégué, Didier | Graeff, Carlos F. O. | Dagron-Lartigau, Christine | Distler, Andreas | Morse, Graham | Hiorns, Roger C.
Fullerene is used as a monomer in this simple method to prepare soluble, well-defined polymers. The sterically controlled azomethine ylide cycloaddition polymerization of fullerene (SACAP) yields macromolecules with molecular weights of around 25 000 g mol–¹. Importantly, cumbersome comonomers are employed to restrict cross-linking. Extensive characterizations, with the help of modeling studies, indicate that the polymers are regio-irregular with a majority of trans-3 isomers. Of particular interest is the exceptional ease of preparing polymers with zero metal content.
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