聚酯织物表面耐用超疏水涂层的制备及在油水分离中的应用

引用本文: 李杨, 汪家道, 樊丽宁, 陈大融. 聚酯织物表面耐用超疏水涂层的制备及在油水分离中的应用[J]. 物理化学学报, 2016, 32(4): 990-996. doi: 10.3866/PKU.WHXB201601131 shu

Citation: LI Yang, WANG Jia-Dao, FAN Li-Ning, CHEN Da-Rong. Feasible Fabrication of a Durable Superhydrophobic Coating on Polyester Fabrics for Oil-Water Separation[J]. Acta Physico-Chimica Sinica, 2016, 32(4): 990-996. doi: 10.3866/PKU.WHXB201601131 shu

聚酯织物表面耐用超疏水涂层的制备及在油水分离中的应用

1.
清华大学摩擦学国家重点实验室, 北京 100084

通讯作者: 汪家道

基金项目:
国家自然科学基金(51375253, 51321092)资助项目 (51375253, 51321092)

摘要: 使用在含有甲基MQ(M:单官能团Si-O单元R₃SiO_1/2,Q:四官能团Si-O单元SiO₂)硅树脂与疏水SiO₂的二甲苯溶液中浸渍的方法,在聚酯织物表面制备了耐用超疏水涂层。经过处理后,微米级聚酯纤维表面被紧密的疏水纳米颗粒包裹,通过这种方法降低了纤维的表面能。聚酯织物展现出良好的超疏水特性,与水滴的静态接触角为156°,滚动角为5°。得到的超疏水聚酯织物在机械磨损、酸碱环境及紫外线照射条件下,表现出了良好的稳定性。此外,用超疏水聚酯织物作为过滤材料得到的油水分离效率达99%以上。该方法为大面积工业制备超疏水织物提供了新的思路。

关键词:

English

Feasible Fabrication of a Durable Superhydrophobic Coating on Polyester Fabrics for Oil-Water Separation

1.
State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, P. R. China

Corresponding author: 汪家道

Received Date: 13 November 2015
Available Online: 13 January 2016
Fund Project:
国家自然科学基金(51375253, 51321092)资助项目

Abstract: A durable superhydrophobic coating on polyester fabrics has been fabricated by a simple solutionimmersion method in a solution consisting of a methyl MQ (M: mono-functional silicon-oxygen unit R₃SiO_1/2, Q: tetra-functional silicon-oxygen unit SiO₂) silicone resin and hydrophobic silica nanoparticles. After coating, the microstructured fibers were wrapped by compact hydrophobic nanoparticles that could lower the surface energy of the fibers. Therefore, the obtained fabric exhibited an excellent superhydrophobic property with a water contact angle of 156° and a sliding angle of 5°. It is worth mentioning that the as-prepared fabric was proved to be able to withstand extreme environmental conditions such as mechanical abrasion, acidic and alkaline attack, and UV irradiation. The practical application of the modified fabric for oil-water separation was also demonstrated with a high separation efficiency above 99%. This feasible fabrication method paves the way for using the superhydrophobic fabric on a large scale.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

聚酯织物表面耐用超疏水涂层的制备及在油水分离中的应用

通讯作者: 汪家道

English

Feasible Fabrication of a Durable Superhydrophobic Coating on Polyester Fabrics for Oil-Water Separation

Corresponding author: 汪家道

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

聚酯织物表面耐用超疏水涂层的制备及在油水分离中的应用

通讯作者: 汪家道

English

Feasible Fabrication of a Durable Superhydrophobic Coating on Polyester Fabrics for Oil-Water Separation

Corresponding author: 汪家道

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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