期刊
JOURNAL OF MATERIALS SCIENCE
卷 57, 期 28, 页码 13800-13813出版社
SPRINGER
DOI: 10.1007/s10853-022-07489-x
关键词
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资金
- Colleges and Universities Twenty Foundational Projects of Jinan City [2021GXRC068]
- Shandong Provincial Key RD Program [2019GGX102066]
- Natural Science Foundation of Shandong Province [ZR2019BEM025]
- Young Doctor Cooperation Foundation of Qilu University of Technology (Shandong Academy of Sciences) [2019BSHZ0016]
A series of new hyper-cross-linked porous polymers were prepared and showed excellent adsorption capacities. Furthermore, functionalization can be achieved for the removal of dyes and chromium ion.
A series of new hyper-cross-linked porous polymers (HCP-TTDs) were successfully prepared by the Friedel-Crafts alkylation reaction of 1, 1, 1-trimethyl-3, 3, 3-triphenyldisiloxane and formaldehyde dimethyl acetal (FDA). Nitrogen adsorption-desorption test showed that the BET specific surface areas of them were between 989 and 1285 m(2) g(-1). Furthermore, the prepared HCP-TTDs exhibited excellent adsorption capacities of organic dyes in aqueous solution (Malachite green: 2346 mg g(-1), Congo red: 2052 mg g(-1), and Rhodamine B: 1938 mg g(-1)). The adsorption behavior was well agreed with the pseudo-second-order model and Langmuir model. Additionally, the functionalization of HCP-TTDs could be realized by the condensation reaction of 3-(2-aminoethylamino)propyl-dimethoxymethylsilane (AAMD) and the alkali-treated porous polymer. The functionalized HCP-TTD displayed high adsorption performance for chromium ion, and the adsorption capacity was up to 76.9 mg g(-1), which is higher than many reported adsorbents. Therefore, HCP-TTDs are promising candidates for the removal of dyes and chromium ion from wastewater. [GRAPHICS] .
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