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Jian Shen, Fajun Wang, Wei Wei, Jie Ma, Junjie Wang, Liangliang Lin. Surface modification of fabrics using dielectric barrier discharge plasma for improved antifouling performance[J]. Plasma Science and Technology. DOI: 10.1088/2058-6272/ad8da6
Citation: Jian Shen, Fajun Wang, Wei Wei, Jie Ma, Junjie Wang, Liangliang Lin. Surface modification of fabrics using dielectric barrier discharge plasma for improved antifouling performance[J]. Plasma Science and Technology. DOI: 10.1088/2058-6272/ad8da6

Surface modification of fabrics using dielectric barrier discharge plasma for improved antifouling performance

  • Surface modification of fabrics is an effective way to endow them with antifouling properties while still maintain their key advantages like comfort, softness, and stretchability. Herein, an atmospheric pressure dielectric barrier discharge (DBD) plasma method is demonstrated for the processing of silk fabrics using 1H,1H,2H,2H-perfluorodecyltriethoxysilane (PFDS) as the precursor. The results showed the successful grafting of PFDS groups on the surface of silk fabrics without causing damage. Meanwhile, the gas temperature is rather low during the whole processing procedure, suggesting the non-equilibrium characteristics of DBD plasma. The influence of processing parameters on fabrics was systematically investigated, like the PFDS concentration, plasma treatment time, and plasma discharge power. An optimum processing condition was determined to be PFDS concentration: 8 wt%, plasma processing time: 40 s, and plasma power: 11.87 W. However, with the prolonged plasma processing time or enhanced plasma power, the plasma-grafted PFDS films could be degraded. Further study revealed that plasma processing of silk fabrics with PFDS would lead to the change of their chemical composition and surface roughness. As a result, the surface energy of the fabrics was reduced, accompanied by the improved water and oil repellency properties as well as enhanced antifouling performance. Besides, the plasma-grafted PFDS films also had good durability and stability. By extending the fabrics to polyester and wool against different oil-/water-based stains, the DBD plasma surface modification technique demonstrated good versatility in improving the antifouling properties of fabrics. This work provides a guidance for the surface modification of fabrics using DBD plasma to confer them with desirable functionalities.
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