Chitosan Based Regenerated Cellulose Fibers Functionalized with Plasma and Ultrasound

被引:16
作者
Brodnjak, Urska Vrabic [1 ]
Jesih, Adolf [2 ]
Gregor-Svetec, Diana [1 ]
机构
[1] Univ Ljubljana, Fac Nat Sci & Engn, Dept Text Graph Arts & Design, Snezniska 5, SI-1000 Ljubljana, Slovenia
[2] Joef Stefan Inst, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia
来源
COATINGS | 2018年 / 8卷 / 04期
关键词
chitosan; regenerated cellulose fibers; surface modification; plasma; ultrasonic treatment; COATED COTTON FIBER; REACTIVE DYES; ADSORPTION; FABRICS; VISCOSE; SYSTEM; SIZE;
D O I
10.3390/coatings8040133
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The great potential of regenerated cellulose fibers, which offer excellent possibilities as a matrix for the design of bioactive materials, was the lead for our research. We focused on the surface modification of fibers to improve the sorption properties of regenerated cellulose and biocomposite regenerated cellulose/chitosan fibers, which are on the market. The purpose of our investigation was also the modification of regenerated cellulose fibers with the functionalization by chitosan as a means of obtaining similar properties to biocomposite regenerated cellulose/chitosan fibers on the market. Argon gas plasma was used for fiber surface activation and chitosan adsorption. Ultrasound was also used as a treatment procedure for the surface activation of regenerated cellulose fibers and treatment with chitosan. Analyses have shown that ultrasonic energy or plasma change the accessibility of free functional groups, structure and reactivity, especially in regenerated cellulose fibers. Changes that occurred in the morphology and in the structure of fibers were also reflected in their physical and chemical properties. Consequently, moisture content, sorption properties and water retention improved.
引用
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页数:12
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