Inspired by Self-cleaning Effect of Lotus Leaf: Surface Modification and Antifouling Performance with Surgical Clothing

doi:10.11944/j.issn.1000-0518.2019.01.180323

Chinese Journal of Applied Chemistry ›› 2019, Vol. 36 ›› Issue (1): 34-40.DOI: 10.11944/j.issn.1000-0518.2019.01.180323

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Inspired by Self-cleaning Effect of Lotus Leaf: Surface Modification and Antifouling Performance with Surgical Clothing

ZHANG Zhefeng^a,HUANG Xiaodong^b,WEN Liping^b^c^*()

^aBeijing Jian Hua Experimental School,Beijing,100039,China
^bKey Laboratory of Bio-inspired Materials and Interfacial Science,Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100190,China
^cSchool of Future Technology,University of Chinese Academy of Sciences,Beijing 100049,China

Received:2018-10-08 Accepted:2018-10-17 Published:2019-01-01 Online:2019-01-04
Contact: WEN Liping
Supported by:
Supported by the National Key R&D Program of China(No.2017YFA0206900), the National Natural Science Foundation of China(No.21625303)

Abstract

Abstract:

To improve medical protective performance of current commercial surgical clothing under special medical operating conditions and decrease the cross-infection risk of medical personnel and patient due to contacting blood and body fluids carrying pathogens. Inspired by self-cleaning effect of lotus leaf, superhydrophobic/superoleophobic technology is used to modify the commercial surgical clothing surface with fluorine-containing amphiphobic solution for improving its anti-fouling(waterproof, oil-proof, and anti-blood) performance. Scanning electron microscopy and element analysis characterizations verify that the fluorine-containing polymer is fixed on the surgical clothing surface. The waterproof, oil-proof, and anti-blood pollution performances of the modified surgical clothing are conducted, and the results show that the water contact angle of modified surgical clothing surface reaches to (138±2)°, meanwhile the roll angle decreases to 4.0°, indicating the obvious improvement of waterproof performance. Additionally, modified surgical clothing is hard to be wetted by oil droplet for at least 60 seconds. And it allows blood droplet quickly rolling off modified surgical clothing surface by tilting the surface to 20.6° showing low adhesion characteristic to blood droplet. Meanwhile, it keeps excellent water vapor permeability(7.90 g/(min·m²)).

Key words: surgical clothing, surface modification, anti-pollution

ZHANG Zhefeng, HUANG Xiaodong, WEN Liping. Inspired by Self-cleaning Effect of Lotus Leaf: Surface Modification and Antifouling Performance with Surgical Clothing[J]. Chinese Journal of Applied Chemistry, 2019, 36(1): 34-40.

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Inspired by Self-cleaning Effect of Lotus Leaf: Surface Modification and Antifouling Performance with Surgical Clothing

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