Engineering and Technology

Highly durable and sustainable heterogeneous fabric using in-and-out fluorinated urethane coating for elimination of bacteria and oil-water separation

M. Choi, S. Park, et al.

This innovative research explores a novel coating material for enhancing the oil-water separation capabilities of porous activated carbon fabric (ACF). The team achieved remarkable hydrophobic properties, exceptional bacterial blocking efficiency, and durability through the use of fluorinated polyurethane coatings. Conducted by a dedicated group of researchers from Yonsei University and the Agency for Defense Development, this study paves the way for advanced filtration technologies.

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Abstract

This study addresses the limitations of existing oil-water separation membranes by designing an in-and-out coating material for modifying porous activated carbon fabric (ACF). Fluorinated polyurethane (F-PU) coating materials were synthesized and applied to both the inner and outer surfaces of the ACF via urethane reactions. The resulting fabric exhibited excellent hydrophobic properties, anti-scratch performance, oil-water separation performance (>95%), and bacterial penetration blocking efficiency (>99% for gram-negative and gram-positive bacteria). The fabric also maintained its bacterial blocking ability after scratch tests, demonstrating high durability.

Publisher

npj Clean Water

Published On

Sep 23, 2022

Authors

Moonhyun Choi, Sohyeon Park, Woojin Choi, Youna Kim, Kyeong Min Cho, Jiwoong Heo, Min-Kun Kim, Heesoo Jung, Youngho Jin, Sangmin Lee, Jinkee Hong

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