Title : High-Strength TiO2/TPU Composite Fiber Based Textiles for Organic Pollutant Removal

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Title of Paper:High-Strength TiO2/TPU Composite Fiber Based Textiles for Organic Pollutant Removal

Journal:NPJ Clean Water

Place of Publication:Springer Nature

Key Words:Composite fiber; Wet-spinning; Textiles; Photocatalytic; TiO2 Nanofibers; TPU

Abstract:Effective integration of nanostructured photocatalysts into polymer matrices is crucial for the broad practical application of fiber-based photocatalytic composite textiles. Herein, highly durable TiO2/TPU composite fibers with high TiO2 content (>30 wt. %) were prepared through wet spinning using 1D electrospun TiO2 nanofibers (TNFs). Due to the fiber reinforcement principle, the TNF/TPU composite fibers exhibited superior mechanical properties compared with pure TPU fibers. Furthermore, the TNF/TPU composite fibers with a ratio of 1:2 process impressive degradation efficiency for rhodamine B (RhB). The orientation of 1D TNFs and stronger interface between TNF and TPU matrices not only enhanceable the excellent load sharing and transfer effects following the fiber pullout and crack bridging mechanisms, but also improve photogenerated charge transfer efficiency, resulting in high strength and high photocatalytic activity. In addition, enhanced TNF exposure on the fiber is due to the hollow and porous structures of composite fibers, which is advantageous for photocatalytic degradation. Notably, when the RhB concentration exceeded 15 ppm, the TNF/TPU composite fibers exhibited higher degradation efficiency than the TNF powder. Therefore, TNF/TPU composite fiber–based textiles with high photocatalytic activity and strength are promising for in overcoming the separation and recovery issues of nanostructured catalysts in practical wastewater treatment applications.

All the Authors:Jing Zhang,Tianguang Lu,Geng-heng Zhou,Yi Ren,Ziye Zheng,Xian-Zheng Yuan,Shu-Guang Wang

First Author:Lihui Xiao

Indexed by:Journal paper

Correspondence Author:Zuoli He

Discipline:Engineering

First-Level Discipline:Environmental Science and Engineering

Document Type:J

Volume:7

Page Number:98

Number of Words:5800

Translation or Not:no

Date of Publication:2024-09-01

Included Journals:SCI