Fouling-resistant behavior of liquid-infused porous slippery surfaces |
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| Authors: | Dan Zhao Xiao-dong Xu Shuai-shuai Yuan Shun-jie Yan Xiang-hong Wang Shi-fang Luan Jing-hua Yin |
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| Institution: | 1. Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China;2. School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;3. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry,Chinese Academy of Sciences, Changchun 130022, China |
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| Abstract: | Marine economy is seriously affected by marine biofouling,which has plagued people for thousands of years.Although various strategies have been developed to protect artificial surfaces against marine biofouling,cost-effective biofouling-resistant coating is still a goal in pursue.Herein,a cost-effective liquid-infused porous slippery surface (LIPSS)was facilely prepared by using poly(styrene-b-(ethylene-co-butylene)-b-styrene) (SEBS) elastomer to form microsphere surfaces,followed by infusing fluorocarbon lubricants into the porous structure.The as-prepared slippery surfaces were characterized by static water contact angle,sliding velocity and sliding angle analysis.We also investigated the adhesion behavior of Escherichia coli (E.coli) and limnetic algae on different surfaces.It is confirmed that the slippery surfaces have better anti-biofouling properties than the porous SEBS reference.This cost-effective approach is feasible and easily produced,and may potentially be used as fouling-resistant surfaces. |
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| Keywords: | Porous surfaces Slippery surfaces Antifouling Bacteria Algae |
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