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Preparation of Composite Filters Based on Porous Coordination Polymers by Using a Vacuum Filtration Method for Highly Efficient Removal of Particulate Matters
Author(s) -
Gai Shuang,
Fan Ruiqing,
Xing Kai,
Wang Ani,
Zheng Xubin,
Zhou Xuesong,
Wang Ping,
Yang Yulin
Publication year - 2019
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201900464
Subject(s) - materials science , microporous material , filtration (mathematics) , thermal stability , composite number , composite material , chemical engineering , vapours , porosity , statistics , mathematics , neuroscience , engineering , biology
Abstract In this study, two novel crystal materials pcp1 and pcp1‐L have been synthesized successfully. The different conformations of the two crystals are mainly attributed to the introduction of the Schiff‐base ligand L ( L =( E )‐4‐methyl‐ N ‐((6‐methoxypyridin‐2‐yl)methylene)aniline). Subsequently, pcp1 and pcp1‐L composites have been firstly produced by a vacuum filtration method on various substrates (i.e., melamine foam, plastic mesh, carbon fiber cloth and glass cloth). The obtained robust composites show excellent performance in removing PMs owing to high ζ potential, microporous structure, large conjugation system and electron cloud‐exposed metal center (DFT calculations) of pcp1 and pcp1‐L . Particularly, pcp1‐L @glass cloth with low pressure drop exhibits high thermal stability and high long‐term reproducibility. Additionally, the high removal efficiency of pcp1‐L @glass cloth towards particulate matters could also be maintained, even achieving >99.9 % in the car exhaust gas field test.

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