Superhydrophobic TiN-Coated Cotton Fabrics with Nanoscale Roughness and Photothermal Self-Healing Properties for Effective Oil–Water Separation
Source abstract
Abstract
A sustainable and strong superhydrophobic photothermal self-healing cotton fabric (SPS cotton fabric) was prepared by the simple one-pot method using nano-titanium nitride (TiN), hydroxyl-terminated polydimethylsiloxane (HPDMS), and tetraethyl orthosilicate (TEOS). After nano-TiN is adsorbed to the cotton fabric by hydrogen bonding, HPDMS and TEOS are catalyzed by ammonia to form a PDMS-SiO 2 hybrid on the cotton fabric, and finally the SPS cotton fabric is obtained. After plasma etching, cotton fabric can quickly restore superhydrophobicity by light irradiation. The micro–nanocoating on the SPS cotton fabric can resist at least 10 sandpaper abrasion cycles and etching of acid and alkali solutions without losing its superhydrophobicity. Owing to the good water repellency, the separation efficiency of the SPS cotton fabric can reach more than 98.00% for various oil–water mixtures. Even after 10 separation cycles, the separation efficiency only decreased by 0.20%, showing potential applications for waste oil treatment.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Surface Modification and Superhydrophobicity · Solar-Powered Water Purification Methods · Advanced Sensor and Energy Harvesting Materials
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 300387, P.R. China
State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, P.R. China
Funding
National Natural Science Foundation of China
References (47)
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