Abstract
A series of microporous polyimide networks with porphyrin units (Pr-MPIs) were facilely synthesized through a one-step solution polymerization process. Of particular interest is that Pr-MPI-1 containing distorted spirobisindane unit revealed the highest BET surface area (953 m2/g), total pore volume (0.75 cm3/g), and extreme hysteresis between the N2 adsorption and desorption isotherm. Further study revealed the prepared Pr-MPI-1 exhibited a synergistic structural effect on exceptional uptake of volatile organic compounds (VOCs) due to the high porosity and highly distorted spirobisindane structure enabled large interface and the swellability. This new approach would open up a facile approach toward the preparation of highly swellable high performance polymeric microporous materials, which are deeply wanted for environment-related applications such as VOCs adsorption and oil/water separation.
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This work was financially supported by the National Natural Science Foundation of China (Nos. 20974069 and 21174089), and the State Key Laboratory of Molecular Engineering of Polymers (Fudan University) (No. K2013-23).
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Wu, Q., Huang, W., Wang, Hj. et al. Reversely swellable porphyrin-linked microporous polyimide networks with super-adsorption for volatile organic compounds. Chin J Polym Sci 33, 1125–1132 (2015). https://doi.org/10.1007/s10118-015-1661-8
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DOI: https://doi.org/10.1007/s10118-015-1661-8