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Reversely Swellable Porphyrin-linked Microporous Polyimide Networks with Super-adsorption for Volatile Organic Compounds
Ist Teil von
Chinese journal of polymer science, 2015-08, Vol.33 (8), p.1125-1132
Ort / Verlag
Beijing: Chinese Chemical Society and Institute of Chemistry, CAS
Erscheinungsjahr
2015
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
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 m^2/g), total pore volume (0.75 cma/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.