光谱学与光谱分析, 2020, 40 (9): 2770, 网络出版: 2020-11-26  

现代服用抗紫外棉织物的制备及光谱分析

Preparation and Spectral Analysis of Modern Anti-Ultraviolet Cotton Fabrics
作者单位
1 江南大学纺织科学与工程学院, 江苏 无锡 214122
2 江南大学化学与材料工程学院, 江苏 无锡 214122
摘要
服装功能化是现代服装领域的研究热点, 而功能纺织品的设计与开发是其中的重要环节之一。 紫外线光线较强, 会造成皮肤晒伤甚至癌变, 尤其是白化病患者等特殊人群更需要紫外防护, 开发抗紫外功能纺织品具有重要的实际意义。 氧化石墨烯具有优异的各项性能而被广泛应用, 在纺织领域中可以用于导电、 抗菌、 抗紫外等功能性纺织服装的开发。 通过吸附和沉积的方法, 将氧化石墨烯附着在棉织物纤维上, 并采用环保型还原剂L-抗坏血酸对其还原处理, 得到不同还原度的还原氧化石墨烯抗紫外功能棉织物。 通过不同浓度的还原剂对还原度进行调控, 并采用反射率曲线、 拉曼光谱和XPS等多种光谱分析, 实现对还原氧化石墨烯棉织物还原度的表征。 结果表明, 棉织物表面氧化石墨烯经还原剂还原后, 随着还原剂浓度提高, 还原氧化石墨烯棉织物反射率下降; 拉曼光谱中的D峰和G峰强度发生明显变化, 随着还原剂浓度增加, ID/IG值逐渐增加, 还原度提高; XPS光谱表明氧化石墨烯棉织物还原前后碳、 氧元素含量发生变化, 碳元素含量增加, 氧元素含量下降, 碳氧比值由2.26提高至2.90, 说明含氧官能团含量的下降。 最后, 测试了不同还原度的还原氧化石墨烯棉织物的抗紫外性能, 当L-抗坏血酸还原剂浓度为7和10 mg·mL-1时, 还原得到的还原氧化石墨烯棉织物的UPF值在100~120之间, 紫外光透过率在2%以下, 较空白棉织物抗紫外性能得到明显提升。 研究制备的还原氧化石墨烯棉织物可以应用于棉纺织品服装的设计与开发, 满足服装抗紫外功能的需求, 具有较大的市场潜力和应用前景。
Abstract
Clothing functionalization is a research hotspot in the field of modern clothing, and the design and development of functional textiles are one of the important links. Strong UV light will cause skin sunburn and even canceration, especially the special population such as patients with albinism need ultraviolet protection. It is of great practical significance to develop UV resistant functional textiles. Graphene oxide has been widely used because of its excellent properties. It can be used in the development of conductive, antibacterial, UV resistant and other functional textile clothing. In this paper, graphene oxide is attached to cotton fabric fibers by adsorption and deposition methods, and the environmentally friendly reducing agent L-ascorbic acid is used to reduce it to obtain reduced graphene oxide UV-resistant cotton fabrics with different reduction degrees. The reduction degree of the reduced graphene oxide cotton fabric was characterized by reflectance curve, Raman spectrum and XPS. The results show that the reflectance of the reduced graphene oxide cotton fabric decreases with the increase of the reductant concentration after the reduction of graphene oxide on the surface of cotton fabric; the intensity of D and G peaks in the Raman spectrum changes obviously, the ID/IG value increases gradually with the increase of the reductant, and the reduction degree increases; the XPS spectrum shows that the carbon and oxygen content of the reduced graphene oxide cotton fabric increases before and after the reduction, the content of carbon increased, the content of oxygen decreased, and the ratio of carbon to oxygen increased from 2.26 to 2.90, indicating that the content of oxygen-containing functional groups decreased. Finally, the UV resistance of the reduced graphene oxide cotton fabric with different reduction degree was tested. When the concentration of L-ascorbic acid reducing agent was 7 and 10 mg·mL-1, the UPF value of the reduced graphene oxide cotton fabric was between 100~120, and the UV transmittance was below 2%, which was significantly improved compared with the blank cotton fabric. The reduced graphene oxide cotton fabric studied in this paper can be used in the design and development of cotton textiles and clothing to meet the demand of clothing anti UV function, and it has great market potential and application prospect.

张佳沁, 房志浩, 梁惠娥. 现代服用抗紫外棉织物的制备及光谱分析[J]. 光谱学与光谱分析, 2020, 40(9): 2770. ZHANG Jia-qin, FANG Zhi-hao, LIANG Hui-e. Preparation and Spectral Analysis of Modern Anti-Ultraviolet Cotton Fabrics[J]. Spectroscopy and Spectral Analysis, 2020, 40(9): 2770.

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