低成本超疏水棉布的制备及其应用于油水混合物分离的研究  

Preparation of low-cost superhydrophobic cotton fabric for oil-water separation

作　　者：张雪梅[1] 王航 王广 高云艳 付峰[1] 高晓明[1] 牛凤兴[1] Zhang Xuemei;Wang Hang;Wang Guang;Gao Yunyan;Fu Feng;Gao Xiaoming;Niu Fengxing(Shaanxi Key Laboratory of Chemical Reaction Engineering, Department of Chemistry and Chemical Engineering, Yan’an University, Yan’an 716000;Ningxia Baichuan New Materials Co., Lt止,Yinchuan 750409;Yulin Nenghua Co.,Ltd. ,of Yanzhou Coal Industry, Yulin 719000)

机构地区：[1]延安大学化学与化工学院陕西省化学反应工程重点实验室,延安716000 [2]宁夏百川新材料有限公司,银川750409 [3]兖州煤业榆林能化有限公司,榆林719000

出　　处：《化工新型材料》2019年第5期260-263,共4页New Chemical Materials

基　　金：陕西省教育厅重点实验室项目(17JS141);延安大学校级大学生创新创业训练计划项目(D2018030)

摘　　要：近年来因仿生界面材料特殊的表面效应,将其应用于油/水混合物高效分离领域引起了国内外研究者的极大关注。采用TiO_2和月桂酸对棉布进行表面改性,制备出超疏水/超亲油棉布,其表面水接触角高达156°,通过搭建连续分离装置,可实现油/水混合物的快速、高效、连续分离,且经过20次循环分离,分离效率仍高达94%。超疏水棉布制备工艺简单、成本低廉、环境友好,无需特殊的设备,在海上石油及有机化学品泄漏导致的水污染处理领域具有良好的应用前景。In recent years,the special surface effect of bionic interfacial materials has attracted much attention from researchers at home and abroad for its application in separation of oil/water mixtures field.The surface of cotton fibre was modified used TiO2 and lauric acid.The water contact angle of superhydrophobic cotton fabric was up to 156°.It can realize rapid,efficient and continuous separation of oil/water mixture through constructing the continuous separation device.Moreover,the separation efficiency of oil/water mixture was as high as 94%above after 20 cycles.The preparation technology was simply,low cost,friendly environment and without special equipments.All of these satisfactory properties made the as-prepared cotton as an ideal absorbents for oily industrial wastewater and oil spills in oceans.

关 键 词：棉纤维 超疏水 超亲油 油水分离 

分 类 号：TS195.5[轻工技术与工程—纺织化学与染整工程]