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Robust Polypropylene Fabrics Super-repelling Various Liquids: a Simple, Rapid and Scalable Fabrication Method by Solvent Swelling
发布时间:2015-10-22 点击次数:348次

Robust Polypropylene Fabrics Super-repelling Various Liquids: a Simple, Rapid and Scalable Fabrication Method by Solvent Swelling

A simple, rapid (10 seconds) and scalable method to fabricate superhydrophobic polypropylene (PP) fabrics is developed by swellingthe fabrics in cyclohexane/heptane mixture at 80ºC. The recrystallization of the swollen macromolecules on the fiber surface contributes to the formation of submicron protuberances, which increase the surface roughness dramatically and result in superhydrophobicbehavior. The superhydrophobic PP fabrics possessexcellent repellency toblood, urine, milk, coffee and other common liquids, and show gooddurability and robustness, such as remarkableresistances to water penetration, abrasion, acidic/alkalinesolution and boiling water. The excellent comprehensive performance of the superhydrophobic PP fabrics indicates their potential applications as oil/water separation materials,protective garments, diaper pads or other medical and health supplies. This simple, fast and low cost method operating at a relatively low temperature is superior to other reported techniques for fabricating superhydrophobicPP materials as far as large scale manufacturing is considered. Moreover, the proposed method is applicable for preparing superhydrophobic PP filmsand sheets as well.

文章链接:http://pubs.acs.org/doi/abs/10.1021/acsami.5b03056

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