Treatment of Wool Fabrics by Argon Atmospheric Pressure Low Temperature Plasma and its Dyeing

2012 ◽  
Vol 441 ◽  
pp. 49-53
Author(s):  
Hua Qing Wang ◽  
Mei Yang

With the increase in the environmental protection consciousness of people, attention has focused on plasma technology because of its efficiency and environmentally friendliness. In order to improve the dyeing behavior of wool fabrics, surface modification of wool fabrics was carried out using an atmospheric pressure (argon) low temperature plasma treatment (LTP). Morphology and chemical composition analyses of the treated wool fiber surface were carried out by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The effect on the surface properties of wool fabrics treated for different times was evaluated. The results showed that the coloration of wool fabric is improved with an argon atmospheric pressure low temperature plasma (LTP) treatment but the fabric has a lower color fastness to washing and rubbing. This results from the formation of sulfonic groups and the increase in nitrogen content attributed to more severe etching and oxidization on the surface of wool fibers.

2014 ◽  
Vol 1048 ◽  
pp. 440-443
Author(s):  
Naohisa Akashi ◽  
Katsuhiko Hosoi ◽  
Shin-ichi Kuroda

Polytetrafluoroethylene (PTFE) has many excellent engineering applications for its great properties. We investigated the surface of the PTFE membranes treated with atmospheric pressure low temperature plasma in Ar and Ar/H2 to confirm the effectiveness for introducing functional groups as surface modifications. From the results of attenuated total reflection (ATR) Fourier transform infrared (FT-IR) spectroscopic analysis and X-ray photoelectron spectroscopy (XPS), it was found that the Ar/H2 plasma was more effective for proceeding defluorination reactions and introducing oxygen moieties compared to Ar plasma under the experimental condition. On the other hand, from the results of scanning electron microscopy (SEM), there were little differences in plasma-treated samples.


2011 ◽  
Vol 331 ◽  
pp. 338-341 ◽  
Author(s):  
Yan Li Qiao ◽  
Wen Fang Yang ◽  
Qing Fu Zhang ◽  
Xiao Xing Shen

This paper discussed the influences of plasma processing time and power on wool fibers, the results showed that: after plasma treatment, the surface of the wool fibers occurred varying degrees of physical and chemical etching phenomenon, the wetting property was increased significantly, anti-shrinkage performance was improved. Breaking strength and elongation at fracture were increased; the beginning of dyeing properties and the balance rate were increased.


Author(s):  
Shuya ASADA ◽  
Akihisa OGINO

Abstract The aim of this study is to form the sulfur defects on monolayer molybdenum disulfide (MoS2) by low temperature microwave plasma treatment suppressing disturbance of molecular structure. CVD-grown and plasma treated multilayer MoS2 surface were analyzed to investigate the effects of H2 and Ar plasma treatment on sulfur defects and molecular structure. It was found that the disturbance of molecular structure was suppressed in the H2 plasma treatment compared to the Ar plasma treatment. Varying the incident ratio of hydrogen ions H+ and radicals H*, the influences of H2 plasma treatment with high and low H*/H+ ratio on monolayer MoS2 structure were discussed. As a result of X-ray photoelectron spectroscopy, Raman spectroscopy and photoluminescence analysis, sulfur defects increased with the increase in total amount of radical incident on MoS2. In addition, it is speculated that the etching with radical contributed to form sulfur defects suppressing the disturbance of molecular structure.


2012 ◽  
Vol 557-559 ◽  
pp. 1668-1671 ◽  
Author(s):  
Jian Zhong Yang ◽  
Meng Zhao

The performance of the polyphenylene sulfide fiber (PPS) was investigated by low temperature glow discharge plasma . The experimental results show that under the treatment of different plasma conditions, the PPS fiber surfaces appear the varying degree physics and chemical etching. It’s found that the friction coefficient and hydrophilicity of PPS fiber treated by low temperature plasma improve . X-ray photoelectron spectroscopy (XPS) analysis shows that the surface of PPS fiber produced etching, cross-linking, oxidation. Variations of tensile breaking strength of PPS with different parameters are analyzed.


2019 ◽  
Vol 14 ◽  
pp. 155892501985402
Author(s):  
Ting Su ◽  
Ying Han ◽  
Hongyan Liu ◽  
Lixin Li ◽  
Zongcai Zhang ◽  
...  

Dyeability of the fiber plays a very important role in the textile industry. The presence of cuticle scales on the surface of Rex rabbit fibers brings difficulties to dyeing process. In this study, O2 low temperature plasma was used to improve the dyeability of Rex rabbit fibers and the two key parameters including the treating time and discharge power were optimized during O2 low temperature plasma treatment. The impact of plasma treatment on the surface morphology, physical-chemical properties, and dyeing behavior of Rex rabbit fibers using anionic dyes were investigated by a series of characterization methods such as scanning electron microscopy, atomic force microscopy, Fourier transform infrared–attenuated total reflection, and X-ray photoelectron spectroscopy. The surface dyeability and color fastness were studied by K/S measurement and washing fastness, respectively. The influence of O2 low temperature plasma treatment on the mechanical properties of Rex rabbit fibers was inspected by the tensile strength measurement. The wettability of the samples was evaluated in terms of wetting time and contact angle. The O2 low temperature plasma treatment resulted in a dramatic improvement in wettability of Rex rabbit fibers. X-ray photoelectron spectroscopy and Fourier transform infrared–attenuated total reflection analysis show that oxygen plasma treatment led to a significant increase in the content of sulfur oxides and polar groups such as (–C=O, –OH, and –NH2) on the fiber surface and resulted in reinforced wettability, dyeing rate and dyeing fixation of Rex rabbit fibers.


2021 ◽  
pp. 004051752110306
Author(s):  
Honglian Cong ◽  
Boyu Zhao ◽  
Hao Han ◽  
Xuliang Yu

Nine groups of knitted woolen fabrics for sportswear with different technical characteristics were treated with oxygen low-temperature plasma, and the changes in the surface morphology and chemical composition of wool fibers before and after plasma treatment, as well as the changes in the applicability indexes of knitted woolen fabrics, were studied. Finally, the comfort performance of the fabrics was evaluated by combining the concentration mapping method and the function evaluation value method. The analysis found that the surface scales of wool fibers were seriously etched after oxygen low-temperature plasma treatment, and the anti-felting, bursting strength and moisture absorption of the knitted woolen fabrics were improved. At the same time, the quick-drying index of the fabric has also been improved to a certain extent. This research provides a basis for the development of knitted woolen fabric for sportswear with excellent performance.


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