Synthesis of perfectly alternating copolymers for polymers of intrinsic microporosity

文献情報

出版日 2015-06-03

DOI 10.1039/C5PY00570A

インパクトファクター 5.582

著者

Jian Zhang, Ralph Cooney, Qiang Fu, Greg G. Qiao, Sylvie Thomas, Tim C. Merkel

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要旨

Copolymer's properties are controlled not only by co-monomers’ composition but also their sequence distribution along the chain. We hereby report a strategy to the synthesis of perfectly alternating PIMs copolymer, an important class of material for gas separation membrane. We achieve this copolymer microstructure through two-pot synthesis process via ABA trimer intermediate. For comparison, both alternating and statistical copolymers with same composition were prepared and characterized with 1H and 13C NMR, FT-IR, MALDI-ToF, GPC, TGA, DSC and WAXD. The present work offers new method for repeating unit sequence control in step growth polymerization system.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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Synthesis of perfectly alternating copolymers for polymers of intrinsic microporosity

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