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Issue 28, 2015
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Synthesis of perfectly alternating copolymers for polymers of intrinsic microporosity

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Abstract

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.

Graphical abstract: Synthesis of perfectly alternating copolymers for polymers of intrinsic microporosity

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Supplementary files

Article information


Submitted
20 Apr 2015
Accepted
02 Jun 2015
First published
03 Jun 2015

Polym. Chem., 2015,6, 5003-5008
Article type
Communication
Author version available

Synthesis of perfectly alternating copolymers for polymers of intrinsic microporosity

J. Zhang, J. Jin, R. Cooney, Q. Fu, G. G. Qiao, S. Thomas and T. C. Merkel, Polym. Chem., 2015, 6, 5003
DOI: 10.1039/C5PY00570A

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