文献类型：期刊文献

英文题名：A Robust Polybenzoxazine/SiO2 Fabric with Superhydrophobicity for High-Flux Oil/Water Separation

作者：Yao, Hongjie[1];Lu, Xin[1];Chen, Siwei[1];Yu, Changyong[1];He, Quan Sophia[2];Xin, Zhong[1]

机构：[1]East China Univ Sci & Technol, Sch Chem Engn, Shanghai Key Lab Multiphase Struct Mat Chem Engn, Shanghai 200237, Peoples R China;[2]Dalhousie Univ, Dept Engn, Fac Agr, Truro, NS B2N 5E3, Canada

年份：2020

卷号：59

期号：16

起止页码：7787

外文期刊名：INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

收录：;EI(收录号：20201808590065);WOS:【SCI-EXPANDED(收录号:WOS:000529151200052)】；

基金：We are grateful for the financial support from the Innovation Program of Shanghai Municipal Education Commission (2019-01-07-00-02-E00061), the National Natural Science Foundation of China (No. 21776091, 21776080), the Fundamental Research Funds for the Central Universities (nos. 50321011917025 and 50321011918010), and the Program of Leading Talents (2013).

语种：英文

外文关键词：SiO2 nanoparticles - Plastic bottles - Silicon - Contact angle - Coatings - Separation

摘要：In this study, a fully biobased benzoxazine monomer (E-s) was combined with SiO2 nanoparticles to construct superhydrophobic/superoleophilic coatings on polyethylene terephthalate fabrics by spray coating and thermal curing. The resulting PE-s/SiO(2)0.2 fabric possessed special wettability with a water contact angle of 156.2 +/- 1.5 degrees and a sliding angle of 5.2 +/- 1.0 degrees, and it exhibited great adhesion strength under ultrasonication. Furthermore, PE-s/SiO(2)0.2 fabrics achieved ultrafast and efficient separation with average oil fluxes of around 45,000 L/m(2) h and separation efficiencies over 93% for several oil/water mixtures. In addition, PE-s/SiO(2)0.2 fabrics showed strong durability under several types of harsh treatment. Both their superwettability and separation performance were steadily preserved after immersion in acidic/alkaline solutions with pH values of 1-11 for 1 h, solvent immersion for 100 h, and 44 cycles of abrasion. Finally, a simple rinsing operation was explored to clean polluted PE-s/SiO(2)0.2 fabrics.