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Superhydrophobic Cotton Fabric Based on Polydopamine via Simple One-Pot Immersion for Oil Water Separation |
ZHANG Hongliang, ZHAO Guoqing, OU Junfei( ), Amirfazli Alidad |
School of Materials Engineering, Jiangsu University of Technology, Changzhou 213000, China |
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Cite this article:
ZHANG Hongliang, ZHAO Guoqing, OU Junfei, Amirfazli Alidad. Superhydrophobic Cotton Fabric Based on Polydopamine via Simple One-Pot Immersion for Oil Water Separation. Chinese Journal of Materials Research, 2022, 36(2): 114-122.
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Abstract Superhydrophobic fabric was fabricated by dipping the cotton fabric into ethanol solution of dopamine, silver nitrate and hexdecyltrimethoxysilane followed by bakingdry, and of which the surface morphology and chemical composition were characterized by scanning electron microscope and x-ray photoelectron spectroscope, respectively. Surface wettability was measured by contact angle meter. Durability was assessed by abrasion or immersion in different aqueous solutions of acid, alkali, or boiling water. Results show that the in-situ-generated Ag particles were retained after abrasion or immersion test due to the high adhesion of polydopamine; thus, the so-obtained superhydrophobic fabric possessed good durability. Moreover, the superhydrophobic fabric showed good oil-water separation performance with oil-water separation efficiency up to 97% and oil flow up to 15.93 m3·m-2·h-1.
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Received: 19 January 2021
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Fund: National Natural Science Foundation of China(52073127);Changzhou Science & Technology Program (Nos. CM20193004 & CZ20190020) |
About author: OU Junfei, Tel: (0519)86953280, E-mail: oujunfei_1982@163.com
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