期刊
CHEMICAL ENGINEERING JOURNAL ADVANCES
卷 12, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ceja.2022.100384
关键词
Dimethoxypillar[5]arene; Knitting strategy; Porous organic polymer; Organic micropollutant; Adsorption
资金
- Natural Science Foundation of Jiangsu Province [BK20170471]
- National Natural Science Foundation of China [21,974,120, 21,876,144, 22,176,166]
- Talent introduction project of Yancheng Institute of Technology [XJ201509]
This study successfully obtained cost-effective porous polymers by using dimethoxypillar[5]arene (P[5]) as a universal knitting crosslinker and demonstrated their excellent adsorption performance. The P[5]-TPB knitted polymer showed superior adsorption kinetics and capacity. The mechanism studies revealed the fundamental roles of host-guest and hydrophobic interactions. This work paves the way for the synthesis of cost-effective advanced porous polymers with host-guest property.
Porous organic polymers containing macrocycles are promising adsorbents to remove organic micropollutants from water. However, it is still a big challenge to achieve the balance between economy and performance in real-world application. This study aimed at tackling this challenge by verifying the feasibility of dimethoxypillar[5]arene (P[5]) as a universal knitting crosslinker. Herein, four typical aromatic building blocks were selected and the corresponding P[5] knitted porous polymers with high cost-effectiveness were successfully obtained by a simple Friedel-Crafts reaction with all the yields in excess of 100%. We have demonstrated the significant roles of P[5] content and surface area on the adsorption kinetics and adsorption capacity, respectively. Specially, P[5] knitted 1,3,5-triphenylbenzene (P[5]-TPB) showed the superior adsorption performance among them. The thermodynamic studies certified the spontaneous and exothermic nature, while the mechanism studies revealed that hose-guest and hydrophobic interactions played fundamental roles in the adsorption process. The studies of flow-through adsorption and adsorption at environmentally relevant concentrations further displayed the superior adsorption performance of P[5]-TPB for practical application. The high cost-effectiveness combined with the excellent adsorption properties of P[5]-TPB achieved the balance between economy and performance, demonstrating great potential as promising adsorbent for real-world application. This work paves a way for the synthesis of cost-effective advanced porous polymers with host-guest property for versatile applications.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据