低温等离子体在涤纶表面改性中的应用
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摘要
针对涤纶亲水性能差的问题,采用低温等离子体对涤纶织物进行表面改性处理,探究在气压为300 Pa,功率为5.5 W时介质阻挡放电等离子体对涤纶织物性能的影响。测定处理后织物的动摩擦因数、强力、亲水性等性能以及放置过程中的性能变化,并对涤纶的微观形态以及表面化学成分进行表征,分析涤纶的等离子体改性机制。结果表明:等离子体对涤纶表面刻蚀,在纤维表面产生裂痕和空洞,增大了纤维的表面积;动摩擦因数随着等离子体处理时间的延长而增大,强力随处理时间的延长而降低,最高降低了25%;处理后织物的毛细效应提高了75%,对水的接触角降低了33.3%,涤纶表面羟基增多,有效改善涤纶的吸湿性与亲水性;等离子体处理涤纶具有一定的时效性。
In view of the problem of poor hydrophilicity of polyester,the surface modification of polyester fabric was carried out by low temperature plasma. The influence of dielectric barrier discharge plasma on the performance of polyester fabric was investigated under the pressure of 300 Pa and power of 5.5 W.The dynamic friction coefficient,strength,hydrophilicity and other properties of the treated fabric were measured,and the microscopic morphology and surface chemical composition of the polyester fiber were characterized. The mechanism of plasma-modified polyester was proposed. The results show that the plasma etches the polyester surface to generate cracks and voids on the surface of the fiber,which increases the surface area of the polyester fiber. The dynamic friction coefficient increases with the increase of plasma treatment time,and the strength decreases by up to 25% with the increase of treatment time. The capillary effect of the treated fabric is increased by 75%,the contact angle to water is reduced by 33. 3%,and the surface hydroxyl of the polyester is increased,which effectively improves the hygroscopicity and hydrophilicity of the polyester. The plasma treated polyester has certain timeliness.
In view of the problem of poor hydrophilicity of polyester,the surface modification of polyester fabric was carried out by low temperature plasma. The influence of dielectric barrier discharge plasma on the performance of polyester fabric was investigated under the pressure of 300 Pa and power of 5.5 W.The dynamic friction coefficient,strength,hydrophilicity and other properties of the treated fabric were measured,and the microscopic morphology and surface chemical composition of the polyester fiber were characterized. The mechanism of plasma-modified polyester was proposed. The results show that the plasma etches the polyester surface to generate cracks and voids on the surface of the fiber,which increases the surface area of the polyester fiber. The dynamic friction coefficient increases with the increase of plasma treatment time,and the strength decreases by up to 25% with the increase of treatment time. The capillary effect of the treated fabric is increased by 75%,the contact angle to water is reduced by 33. 3%,and the surface hydroxyl of the polyester is increased,which effectively improves the hygroscopicity and hydrophilicity of the polyester. The plasma treated polyester has certain timeliness.
引文
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[15]陆伟,崔运花,刁颖,等.常压等离子体技术改善涤纶及涤棉纱的吸湿性能[J].东华大学学报(自然科学版),2011,37(2):138-141,161.LU Wei,CUI Yunhua,DIAO Ying,et al.Moistureabsorption improvement of polyester and T/C yarns by atmospheric pressure plasma technology[J].Journal of Donghua University(Natural Science Edition),2011,37(2):138-141,161.
[16]王振欣,梁小平,王月然,等.低温等离子体改性效果时效性的研究进展[J].纺织学报,2011,32(2):149-154.WANG Zhenxin,LIANG Xiaoping,WANG Yueran,et al.Research progress on the time effect of low temperature plasma modification[J].Journal of Textile Research,2011,32(2):149-154.
[2]唐丽华,任婉婷,李鑫,等.低温等离子体亲水改性聚丙烯熔喷非织造布[J].纺织学报,2010,31(4):30-32.TANG Lihua,REN Wanting,LI Xin,et al.Hydrothermal modified hydrophilic melt-blown nonwoven fabrics[J].Journal of Textile Research,2010,31(4):30-32.
[3]唐晓亮,任忠夫,李驰,等.常压等离子体表面改性涤纶织物[J].纺织学报,2007,28(8):63-65,74.TANG Xiaoliang,REN Zhongfu,LI Chi,et al.Surface modification of polyester fabrics by atmospheric pressure plasma[J].Journal of Textile Research,2007,28(8):63-65,74.
[4]张庆,王善元,杨国荣,等.低温等离子体处理涤纶织物的染色性能[J].印染,2002,28(11):1-3.ZHANG Qing,WANG Shanyuan,YANG Guorong,et al.Dyeing properties of low temperature plasma treated polyester fabrics[J].China Dyeing&Finishing,2002,28(11):1-3.
[5]刘欣宇,刘大伟.大气压非平衡等离子体射流活性粒子产生机制[J].高电压技术,2016,42(2):452-461.LIU Xinyu,LIU Dawei.Generation mechanism of nonequilibrium plasma jet active particles at atmospheric pressure[J].High Voltage Technology,2016,42(2):452-461.
[6]王燕,赵艳辉,张芝涛,等.DBD等离子体及其应用技术的发展[J].自然杂志,2002(5):277-282.WANG Yan,ZHAO Yanhui,ZHANG Zhitao,et al.Development of DBD plasma and its application technology[J].Natural Journal,2002(5):277-282.
[7]WANG D,FENG K,ZHANG X,et al.The cold and atmospheric-pressure air surface barrier discharge plasma for large-are sterilization applications[J].Applied Physics Letters,2011,98(16):161-501.
[8]LIU W,CHEN X,LEI X,et al.Surface processing of polyester canvas using atmospheric pressure air glow discharge plasma[J].Plasma Chemistry and Plasma Processing,2017,37(2):465-474.
[9]JUNKAR I,MODIC M,MOZETI M.Modification of PET surface properties using extremely non-equilibrium oxygen plasma[J].Open Chemistry,2015,13(1):490-496.
[10]李宏英,傅佳佳.利用等离子体预处理增强涤纶织物电子束辐照亲水改性的效果[J].材料导报,2018(4):626-630,649.LI Hongying,FU Jiajia.Enhancing the effect of electron beam irradiation and hydrophilic modification of polyester fabrics by plasma pretreatment[J].Materials Review,2018(4):626-630,649.
[11]王春莹,王潮霞.真空氧等离子体表面改性涤纶织物研究[J].合成纤维工业,2010,33(5):28-30.WANG Chunying,WANG Chaoxia.Study on surface modification of polyester fabric by vacuum oxygen plasma[J].China Synthetic Fiber Industry,2010,33(5):28-30.
[12]张春明,房宽峻.等离子体处理的时效性对涤纶表面润湿性的影响[J].济南纺织服装,2014(3):1-4.ZHANG Chunming,FANG Kuanjun.Effect of plasma treatment on surface wettability of polyester fibers[J].Jinan Textile Clothing,2014(3):1-4.
[13]李国涵,张贤国,洪约利,等.等离子体技术在合成纤维改性中的应用进展[J].南通大学学报(自然科学版),2017(1):45-52.LI Guohan,ZHANG Xianguo,HONG Yueli,et al.Advances in the application of plasma technology in the modification of synthetic fibers[J].Journal of Nantong University(Natural Science Edition),2017(1):45-52.
[14]戴杰,郭晓玲,申国栋,等.碱减量和等离子体处理对涤纶织物的影响[J].针织工业,2015(5):52-55.DAI Jie,GUO Xiaoling,SHEN Guodong,et al.Effects of alkali deweighting and plasma finishing on polyester fabric[J].Knitting Industries,2015(5):52-55.
[15]陆伟,崔运花,刁颖,等.常压等离子体技术改善涤纶及涤棉纱的吸湿性能[J].东华大学学报(自然科学版),2011,37(2):138-141,161.LU Wei,CUI Yunhua,DIAO Ying,et al.Moistureabsorption improvement of polyester and T/C yarns by atmospheric pressure plasma technology[J].Journal of Donghua University(Natural Science Edition),2011,37(2):138-141,161.
[16]王振欣,梁小平,王月然,等.低温等离子体改性效果时效性的研究进展[J].纺织学报,2011,32(2):149-154.WANG Zhenxin,LIANG Xiaoping,WANG Yueran,et al.Research progress on the time effect of low temperature plasma modification[J].Journal of Textile Research,2011,32(2):149-154.