Water pollution is a serious environmental problem with
the rapid
development of industry. Organic dyes are an important factor in water
pollution. Herein, we design and synthesize a conjugated microporous
polymer (CMP) based on triethynylbenzene and dibromohydroquinone (CMP-O)
and the quaternary ammonium group-modified product CMP-N. CMP-N shows
a low specific surface area of 0.049 cm3/g and low porosity.
While CMP-N shows strong dispersity in water, CMP-N exhibits rapid
adsorption of anionic dye, especially acid blue 93 (497 mg/g). This
research is the first time to provide the alkyl quaternary ammonium
group-modified microporous polymer in dye adsorption.
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