期刊
RSC ADVANCES
卷 8, 期 12, 页码 6326-6330出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra12719g
关键词
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资金
- JST-Mirai project funding
- JST-A-Step funding
- World Premier International Research Initiative (WPI), MEXT, Japan
Microporous polyimides (PIM-PIs, KAUST-PIs) and polymers containing Troger's base (TB) derivatives with improved permeability and selectivity have great importance for separation of environmental gas pairs. Despite the tremendous progress in this field, facile synthesis of microporous polymers at the industrial scale via designing new monomers is still lacking. In this study, a new potential approach for large scale synthesis of spirobisindane diamine (DAS) (3) has been reported from commercially available 5,5',6,6'-tetrahydroxy- 3,3,3',3'-tetramethyl-1,1'-spirobisindane (TTSBI) and 3,4-difluoronitrobenzene. A series of DAS diamine based microporous polyimides were also synthesized. The resulting polymer membranes showed high mechanical and thermal properties with tunable gas separation performance.
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