Journal
POLYMER CHEMISTRY
Volume 6, Issue 28, Pages 5003-5008Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5py00570a
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Funding
- University of Auckland Faculty Research Development Fund (FRDF)
- University of Auckland Faculty Research Development Fund (FRDF), Materials Accelerator and current Product Accelerator programme from the New Zealand Ministry of Business, Innovation and Employment (MBIE)
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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 H-1 and C-13 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.
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