Preparation and Properties of Superhydrophobic Polyester Fiber Fabrics with Vi-PDMS/S-SiO2

ZHANG Zhe, WU Xiao-fei, BAO Fan-xia, GUO Li-zhi, ZHANG Zheng-jian

Packaging Engineering ›› 2023 ›› Issue (21) : 111-118.

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Packaging Engineering ›› 2023 ›› Issue (21) : 111-118. DOI: 10.19554/j.cnki.1001-3563.2023.21.014

Preparation and Properties of Superhydrophobic Polyester Fiber Fabrics with Vi-PDMS/S-SiO2

  • ZHANG Zhe, WU Xiao-fei, BAO Fan-xia, GUO Li-zhi, ZHANG Zheng-jian
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Abstract

The work aims to prepare polyester fiber fabrics with superhydrophobic coatings to improve the poor water repellency of ordinary fabrics and investigate their properties. Polyester fiber fabrics were used as the substrate to obtain superhydrophobic fabrics by UV curing technique and dip-coating method with SiO2 nanoparticles (S-SiO2), terminated vinyl polydimethylsiloxane (Vi-PDMS) to construct micro-nano rough structures on the fabric surface. The microstructure and hydrophobic properties were characterized by scanning electron microscopy and water contact angle measurement, and the superhydrophobic stability was investigated by mechanical friction experiments. When the mass ratio of Vi-PDMS and S-SiO2 was 1:4, the surface water contact angle of the polyester fiber fabric prepared by selecting the cross-linking agent trimethylolpropane triacrylate (TMPTA) could reach 151°, and the rolling angle could be up to 9°. After 40 times of cyclic friction, the surface water contact angle of the polyester fiber fabric was still greater than 140°, which had certain abrasion resistance. The polyester fiber fabrics prepared by UV curing technique and easy-to-operate dip-coating method have excellent superhydrophobicity and certain abrasion resistance, which provide reference for the study of superhydrophobicity of fabrics and are expected to be applied in the field of superhydrophobic polyester fiber fabrics.

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ZHANG Zhe, WU Xiao-fei, BAO Fan-xia, GUO Li-zhi, ZHANG Zheng-jian. Preparation and Properties of Superhydrophobic Polyester Fiber Fabrics with Vi-PDMS/S-SiO2[J]. Packaging Engineering. 2023(21): 111-118 https://doi.org/10.19554/j.cnki.1001-3563.2023.21.014
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