journal article·2021-10

Fabrication of polyacrylonitrile/polyvinyl alcohol–TPU with highly breathable, permeable performances for directional water transport Janus fibrous membranes by sandwich structural design

Yue Zhang, Ting-Ting Li, Hai-Tao Ren, Fei Sun, Bing-Chiuan Shiu, Ching-Wen Lou, Jia-Horng Lin

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Abstract

Janus nanofibrous membranes with thin fiber diameter, small pore size, and easy-tailored wettability/thickness gradient have attracted considerable attention in the directional water transport field. However, designing textiles that ensure continuous directional water transport and outstanding moisture permeable, breathable performances has remained a great challenge. In this study, a novel polyacrylonitrile/polyvinyl alcohol–thermoplastic polyurethane (TPU) sandwich nanofibrous membrane with robust moisture permeable, breathable, and directional water transport performance is successfully fabricated with an innovation strategy combining electrospinning with structure-induced method. A good water vapor transmission rate of 9760 g/m 2 d and robust breathability of 103 mm/s are obtained by turning the mass ratio of polyacrylonitrile and polyvinyl alcohol and the opening porous structure of TPU; these values are approximately five times those of commercial membranes. The sandwich fibrous membranes are suggested as promising candidates for various applications, especially in moisture-wicking clothing.
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Research context

OpenAlex topics: Surface Modification and Superhydrophobicity · Advanced Sensor and Energy Harvesting Materials · Electrospun Nanofibers in Biomedical Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tiangong University, Tianjin, China

Tianjin and Ministry of Education Key Laboratory for Advanced Textile Composite Materials, Tiangong University, Tianjin, China

Fujian Key Laboratory of Novel Functional Fibers and Materials, Minjiang University, Fuzhou, China

Ocean College, Minjiang University, Fuzhou, China

Fujian Engineering Research Center of New Chinese Lacquer Material, Minjiang University, Fuzhou, China

College of Textile and Clothing, Qingdao University, Shandong, China

Department of Medical Research, China Medical University Hospital, China Medical University, Taichung

Department of Bioinformatics and Medical Engineering, Asia University, Taichung

Department of Fiber and Composite Materials, Laboratory of Fiber Application and Manufacturing, Feng Chia University, Taichung

Funding

Natural Science Foundation of Tianjin City · the National Natural Science Foundation of China · the Natural Science Foundation of Fujian · the Opening Project of Green Dyeing and Finishing Engineering Research Center of Fujian University · the Program for Innovative Research Team in University of Tianjin

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