Cu<sub>2</sub>O-CuO/TiO<sub>2</sub>复合壳聚糖/马来酸酐/二乙烯基苯的制备及吸附-降解染料性能研究

doi:10.11896/cldb.20100124

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Abstract In the ternary system of chitosan/maleic anhydride/divinylbenzene, Cu₂O-CuO/TiO₂ nanoparticles were introduced to prepare Cu₂O-CuO/TiO₂ composite chitosan/maleic anhydride/divinylbenzene porous organic polymer (CMD-Ti/Cu). The structural characterization and chemical composition of CMD-Ti/Cu polymers were characterized. The adsorption and degradation properties of methylene blue in the system of CMD-Ti/Cu/H₂O₂ were studied. These experiments revealed that Cu₂O-CuO/TiO₂ nanoparticles reacted with the amino groups of chitosan in the ternary system to prepare the porous organic polymer. When the mass of Cu₂O-CuO/TiO₂ nanoparticles was 50% of chitosan(CMD-Ti/Cu-3), the adsorption-degradation properties of the composite ternary system were the best. Besides, the removel rate of MB for CMD-Ti/Cu-3 was 98.8% under optimum conditions (i.e., 25 ℃,dosage of H₂O₂ 0.15 mol·L^-1, dosage of catalyst 1.0 g·L^-1 and initial concentration of MB 50.0 mg·L^-1). After five cycles, the removal rate of CMD-Ti/Cu-3 remained above 95%. Bestdes, the active component capture experiments showed that the active radicals of dye degradation mainly came from the hydroxyl radicals produced by H₂O₂.

Key words： adsorption degradation dye Cu₂O-CuO/TiO₂

Published: 13 January 2022 Online: 2022-01-13

CLC number:

X703

Fund:This work was financially supported by Key Laboratory of Precision Manufacturing Technology of CAEP (ZD18001).

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	LIU Xiaolin
	ZHANG Yong
	ZHANG Lin
	LUO Xuan

Cite this article:

LIU Xiaolin,ZHANG Yong,ZHANG Lin, et al. Preparation, Adsorption-Degradation Properties of Cu₂O-CuO/TiO₂ Composite Chitosan/Maleic Anhydride/Divinylbenzene Porous Materials[J]. Materials Reports, 2022, 36(1): 20100124-6.

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http://www.mater-rep.com/EN/10.11896/cldb.20100124 OR http://www.mater-rep.com/EN/Y2022/V36/I1/20100124

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