Fabrication of a closed hollow-shell like crosslinked EPDM-containing copolymer: Highly efficient adsorption resin

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2025-04-28 DOI:10.1016/j.colsurfa.2025.137065

Feng Zhou , Yu Song , Jun Tang , Fuli Bian , Di Zhang , Xianyan Ren

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Abstract

Highly efficient oil adsorption materials, combining high capacity with fast kinetics, offer a highly effective solution for chemical and oil spill remediation. In view of this, a closed hollow-shell adsorption resin (PETB) was designed and synthesized through solution polymerization of ethylene-propylene-diene monomer (EPDM), 4-tert-butylstyrene (tBS) and trimethylolpropane triacrylate (TMPTA), followed by controlled precipitation in methanol. When the monomer ratio of EPDM to tBS is 2:1 and TMPTA accounts for 7.53 % of the total monomers, the hollow-shell PETB exhibits a chloroform adsorption capacity of ∼43.21 mL/g, approximately 1.5 times higher than that of unshaped PETB resin and most reported EPDM-containing oil adsorption resins. And the hollow-shell PETB reaches adsorption equilibrium in 30–70 min depending on the oil solvents. Furthermore, the hollow-shell PETB demonstrates both high oil solvent selectivity in oil-water mixtures and exceptional oil retention (>99 %), positioning it as an excellent candidate for rapid spill remediation of chemicals and oils.

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一种封闭中空壳类交联epdm -含共聚物的制备：高效吸附树脂

高效的油吸附材料，结合高容量和快速动力学，为化工和溢油修复提供了高效的解决方案。为此，以乙烯-丙烯-二烯单体（EPDM）、4-叔丁基苯乙烯（tBS）和三甲基丙烷-三丙烯酸酯（TMPTA）为原料，通过溶液聚合，在甲醇中控制沉淀，设计并合成了封闭中空壳吸附树脂（PETB）。当EPDM与tBS的单体比例为2:1，TMPTA占总单体的7.53 %时，空心壳PETB的氯仿吸附量为~ 43.21 mL/g，比未成型PETB树脂和大多数含EPDM的油吸附树脂高约1.5倍。根据油溶剂的不同，空心壳PETB在30 ~ 70 min内达到吸附平衡。此外，空心壳PETB在油水混合物中表现出高的油溶剂选择性和优异的保油率（>99 %），使其成为化学品和油类快速泄漏修复的优秀候选者。

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.