Journal
APPLIED SURFACE SCIENCE
Volume 602, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2022.154397
Keywords
Color conversion; Wettability switch; Wettability indicator; Controllability
Categories
Funding
- Science and Technology Department of Sichuan Province [2021YFG0275]
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A fabric with synchronous switching of color and wettability was prepared using ammonia as the switching link and myristic acid-modified titanium as the raw material. The color changes from colorfulness to colorless and the fabric changes from superhydrophobicity to superhydrophilicity within 10 seconds after encountering ammonia. This reversible wettability and synchronous blue-to-white color change provide new ideas for the preparation of materials with controllable wettability.
With ammonia as the switching link and myristic acid-modified titanium as the raw material, a fabric with synchronous switching of color and wettability was prepared. The unique lactone structure of crystal violet lactone is sensitive to hydrogen bonding in the system. Therefore, after ammonia enters the system, the lactone ring structure is restored, which shows that the color changes from colorfulness to colorless. With the good combination, the fabric can change from superhydrophobicity to superhydrophilicity within 10 s after encountering ammonia, which shows that the color changes from blue to white. In addition, color has a relatively high correspondence with wettability and repeatability. Therefore, the reversible wettability and synchronous blue-to-white color change can provide new ideas for the preparation of materials with controllable wettability.
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