![2-Methyl-2-propanyl 4-oxo-3,9-diazabicyclo[4.2.1]nonane-9-carboxylate structure](https://static.chemtradehub.com/structs/131/1312456-05-5-9a15.webp "2-Methyl-2-propanyl 4-oxo-3,9-diazabicyclo[4.2.1]nonane-9-carboxylate structure")
2-Methyl-2-propanyl 4-oxo-3,9-diazabicyclo[4.2.1]nonane-9-carboxylate
CAS Number:
1312456-05-5
Molecular Formula:
C12H20N2O3
Synthesis of perfectly alternating copolymers for polymers of intrinsic microporosity
Literature Information
Publication Date
2015-06-03
DOI
10.1039/C5PY00570A
Impact Factor
5.582
Authors
Jian Zhang, Ralph Cooney, Qiang Fu, Greg G. Qiao, Sylvie Thomas, Tim C. Merkel
View Original
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.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
(1R,2R)-2-Methylcyclohexanamine hydrochloride (1:1)
CAS Number:
39558-31-1
Molecular Formula:
C7H16ClN
2-Methyl 1-(2-methyl-2-propanyl) (2S)-3,3-dimethyl-4-oxo-1,2-pyrrolidinedicarboxylate
CAS Number:
478698-30-5
Molecular Formula:
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