One-step approach to prepare superhydrophobic wood with enhanced mechanical and chemical durability: Driving of alkali

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成果类型：

期刊论文

作者：

Jia, Shanshan;Chen, Haibo;Luo, Sha;Qing, Yan*;Deng, Songlin;...

通讯作者：

Qing, Yan;Wu, Yiqiang

作者机构：

[Qing, Yan; Wu, Yiqiang; Deng, Songlin; Chen, Haibo; Yan, Ning; Luo, Sha; Jia, Shanshan] Cent South Univ Forestry & Technol, Coll Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China.

[Wu, Yiqiang; Qing, Yan] Cent South Univ Forestry & Technol, Hunan Prov Collaborat Innovat Ctr High Efficiency, Changsha 410004, Hunan, Peoples R China.

[Qing, Yan] Northeast Forestry Univ, Key Lab Biobased Mat Sci & Technol, Harbin 150040, Heilongjiang, Peoples R China.

[Yan, Ning] Univ Toronto, Fac Forestry, Toronto, ON M5S 3B3, Canada.

通讯机构：

[Qing, Y; Wu, YQ] C

Cent South Univ Forestry & Technol, Coll Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China.

语种：

英文

关键词：

Alkali-driven method;Chemical durability;Mechanical durability;Superhydrophobic wood

期刊：

Applied Surface Science

ISSN：

0169-4332

年：

2018

卷：

455

页码：

115-122

DOI：

10.1016/j.apsusc.2018.05.169

基金类别：

It is well known that surface roughness is the most important factor for the successful fabrication of superhydrophobic surfaces. SEM was applied to study the surface morphology of the as-prepared samples. The morphology of a sample treated with VTES is shown in Fig. 1a. It can be seen that a smooth film covers the wood surface. The as-prepared wood had a CA of 115°, higher than that of untreated wood (80°, shown in the inset of Fig. 2b). The improvement in water repellency of the VTES-treated

机构署名：

本校为第一且通讯机构

院系归属：

材料科学与工程学院

摘要：

Practical application of superhydrophobic wood remain a great challenge because of their poor durability and complicated production procedures. In this work, high-wear-resistance superhydrophobic wood was prepared by a facile, alkali-driven method using SiO 2 nanoparticles (NPs) and vinyltriethoxysilane (VTES). The obtained wood had a contact angle (CA) of 156.6° and a sliding angle (SA) of 1.8°. It also exhibited a high tolerance to harsh mechanical damages such as sandpaper abrasion. The mechanical durability of material was intelligently c...

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One-step approach to prepare superhydrophobic wood with enhanced mechanical and chemical durability: Driving of alkali

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