棉织物无氟超疏水整理  

Non-fluorinated superhydrophobic finish of cotton fabric

作　　者：高琴文[1] 刘玉勇[1] 朱泉[1] 郭玉良[1] 

机构地区：[1]东华大学生态纺织教育部重点实验室,上海201620

出　　处：《纺织学报》2009年第5期78-81,共4页Journal of Textile Research

基　　金：长江学者与创新团队发展计划资助项目(IRT0526)

摘　　要：针对含氟拒水剂不环保的缺点,采用无氟溶胶凝胶法赋予棉织物疏水性能。先浸轧二氧化硅溶胶,再将烷烃硅氧烷自组装到棉织物上,成功制备了具有超疏水性能的棉织物。通过控制催化剂用量,制备不同粒径的二氧化硅溶胶,并讨论了溶胶粒径、烷基硅氧烷结构和浓度及皂洗次数对接触角的影响。采用这种方法整理后棉织物与水的接触角可达到155°。利用扫描电子显微镜观察了二氧化硅溶胶整理前后棉织物的表面形态并对其性能进行测试,结果表明整理前后棉织物的物理机械性能变化较小。The aim of this study is to prepare water repellent cotton fabric via sol-gel method using non- fluorinated additives, thus avoiding the potential risk for environment from fluoroalkyl compounds. Superhydrophobic cotton fabric was successfully obtained first by dip-coating the silica sol, then the fabric was modified with alkyltrialkoxysilanes through self-assembly methods. Silica sols with different sizes were prepared by controlling the concentration of ammonia. The influence of silica nanoparticle sizes, structure and concentration of alkyltrialkoxysilanes, and washing cycles on water contact angle were discussed. Superhydrophobic cotton fabric with water contact angle of 155° can be achieved by this method. Scanning electron microscopy was used to observe the cotton fabric surfaces treated with and without silica sol. Physical and mechanical properties of cotton fabric showed a slight change after treatment.

关 键 词：棉织物 溶胶-凝胶法 无氟 超疏水 整理 

分 类 号：TS195.57[轻工技术与工程—纺织化学与染整工程] O648.16[轻工技术与工程—纺织科学与工程]