Superhydrophobic organosilicon-based coating system by a novel ultravoiletcurable method

被引：16

作者：

Liu, Baojiang ^{[1
,2
,3
]}

Tian, Taizhou ^{[2
]}

Yao, Jinlong ^{[3
]}

Huang, Changgen ^{[3
]}

Tang, Wenjun ^{[3
]}

Xiang, Zhonglin ^{[3
]}

Xu, Xiaojun ^{[3
]}

Min, Jie ^{[2
]}

机构：

[1] Donghua Univ, Minist Educ, Key Lab High Performance Fibers & Prod, Shanghai, Peoples R China

[2] Donghua Univ, Coll Chem Chem Engn & Biotechnol, Shanghai, Peoples R China

[3] Jiangsu Lianfa Text Co Ltd, Key Lab Ecodyeing & Finishing Text Jiangsu Prov, Nantong, Jiangsu, Peoples R China

来源：

NANOMATERIALS AND NANOTECHNOLOGY | 2017年 / 7卷

关键词：

Cotton fabric; organosilicon-based; superhydrophobicity; SILICA NANOPARTICLES; SURFACE; COTTON; FILMS; WETTABILITY; ROUTE; LOTUS;

D O I：

10.1177/1847980417702795

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A robust superhydrophobic organosilica sol-gel-based coating on a cotton fabric substrate was successfully fabricated via a cost-effective one-step method. The coating was prepared by modification of silica nanoparticles with siloxane having long alkyl chain that allow to reduce surface energy. The coating on cotton fabric exhibited water contact angle of 151.6 degrees. The surface morphology was evaluated by scanning electron microscopy, and surface chemical composition was measured with X-ray photoelectron spectroscopy. Results showed the enhanced superhydrophobicity that was attributed to the synergistic effect of roughness created by the random distribution of silica nanoparticles and the low surface energy imparted of long-chain alkane siloxane. In addition, the coating also showed excellent durability against washing treatments. Even after washed for 30 times, the specimen still had a water contact angle of 130 degrees, indicating an obvious water-repellent property. With this outstanding property, the robust superhydrophobic coating exhibited a prospective application in textiles and plastics.

引用

页数：10

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