介质阻挡放电电压对聚酯织物放电特性及表面减反射效果的影响
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摘要
在不同外加电压条件下,研究介质阻挡放电的特性及外加电压对聚对苯二甲酸乙二醇酯织物碱减量辅助刻蚀和减反射效果的影响。研究发现,聚酯织物的放入可明显降低介质阻挡放电的峰峰值电压。在12kV放电电压下,聚酯织物的介质阻挡放电电流峰基本为单脉冲放电;在25kV放电电压下,聚酯织物的介质阻挡放电电流峰为多脉冲放电。在25kV放电电压下采用10min的等离子体和3min碱液对聚酯织物联合处理后,织物的纤维表面可形成更为密集的1.3μm左右的凹孔及纳米级凸起结构,在450～700nm可见光波长范围内聚酯织物的反射率下降2.5%～4.5%。结果表明,高电压下等离子体产生的丝状放电对聚酯织物碱减量具有明显辅助增强效果,通过对放电电压和放电时间的调控,可以调控等离子体联合碱液处理织物的纤维表面结构及聚酯织物对不同波长可见光的反射率。
The characteristics of dielectric barrier discharge(DBD)were researched under different applied voltages,and its effects on the etching and antireflection of polyethylene terephthalate fabric were also investigated.When the polyester fabric was placed in the dielectric barrier discharge region,the peak to peak voltage of the dielectric barrier discharge was significantly reduced.At 12 kV discharge voltage,the dielectric barrier discharge current of polyester fabric was single pulse discharge basically,and at 25 kV discharge voltage,the discharge current of polyester fabric was multi-pulse discharge.After the polyester fabric was treated 10 minutes using 25 kV plasma and combined with 3 minutes by alkali treatment,the nano scale convex structure with many concave hole(about 1.3μm)was formed in the surface of fabric.And the light reflectivity of polyester fabric was decreased by 2.5%-4.5 %in the range of 450-700 nm.The experiment results show that the filamentary discharge produced by the high voltage plasma has obvious auxiliary enhancement effect on the alkali decrement treatment of polyester fabric.After treated by the combined treatment,the surface structure of fabric and the fabric reflectivity of different wavelengths can be controlled by the regulation of discharge voltage and discharge time.
The characteristics of dielectric barrier discharge(DBD)were researched under different applied voltages,and its effects on the etching and antireflection of polyethylene terephthalate fabric were also investigated.When the polyester fabric was placed in the dielectric barrier discharge region,the peak to peak voltage of the dielectric barrier discharge was significantly reduced.At 12 kV discharge voltage,the dielectric barrier discharge current of polyester fabric was single pulse discharge basically,and at 25 kV discharge voltage,the discharge current of polyester fabric was multi-pulse discharge.After the polyester fabric was treated 10 minutes using 25 kV plasma and combined with 3 minutes by alkali treatment,the nano scale convex structure with many concave hole(about 1.3μm)was formed in the surface of fabric.And the light reflectivity of polyester fabric was decreased by 2.5%-4.5 %in the range of 450-700 nm.The experiment results show that the filamentary discharge produced by the high voltage plasma has obvious auxiliary enhancement effect on the alkali decrement treatment of polyester fabric.After treated by the combined treatment,the surface structure of fabric and the fabric reflectivity of different wavelengths can be controlled by the regulation of discharge voltage and discharge time.
引文
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[13]ELABID A E A,ZHANG J,SHI J,et al.Improving the low temperature dyeability of polyethylene terephthalate fabric with dispersive dyes by atmospheric pressure plasma discharge[J].Applied Surface Science,2016,375:26-34.
[2]BORCIA G,CHIPER A,RUSU I.Using a He+N2dielectric barrier discharge for the modification of polymer surface properties[J].Plasma Sources Science and Technology,2006,15(4):849-857.
[3]WANG K,WANG W,YANG D,et al.Surface modification of polypropylene non-woven fabric using atmospheric nitrogen dielectric barrier discharge plasma[J].Applied Surface Science,2010,256(22):6859-6864.
[4]FANG Z,WANG X,SHAO R,et al.The effect of discharge power density on polyethylene terephthalate film surface modification by dielectric barrier discharge in atmospheric air[J].Journal of Electrostatics,2011,69(1):60-66.
[5]KOSTOV K G,NISHIME T M C,HEIN L R O,et al.Study of polypropylene surface modificaiton by air dielectric barrier dischage operated at two different frequencies[J].Surface and Coatings Technology,2013,234(10):60-66.
[6] SHAO T, LONG K, ZHANG C, et al.Electrical characterization of dielectric barrier discharge driven by repetitive nanosecond pulses in atmospheric air[J].Journal of Electrostatics,2009,67(2/3):215-221.
[7]FANG Z,QIU Y,ZHANG C,et al.Factors influencing the existence of the homogeneous dielectric barrier discharge in air at atmospheric pressure[J].Journal of Physics D Applied Physics,2007,40(5):1401-1407.
[8]徐学基,诸定昌.气体放电物理[M].上海:复旦大学出版社,1996:309-323.
[9]姜慧,邵涛,于洋,等.不同介质下纳秒脉冲介质阻挡放电特性对比[J].高电压技术,2011,37(6):1529-1535.
[10]刘璐,孙岩洲,张峰.大气压下影响介质阻挡放电的因素分析[J].绝缘材料,2008,41(5):52-55.
[11]蔡忆昔,王军,庄凤芝,等.放电气隙对介质阻挡放电电学参量的影响[J].高压电器,2009,45(2):81-83.
[12]罗毅,方志,邱毓昌,等.介质阻挡放电影响因素分析[J].高压电器,2004,40(2):81-83.
[13]ELABID A E A,ZHANG J,SHI J,et al.Improving the low temperature dyeability of polyethylene terephthalate fabric with dispersive dyes by atmospheric pressure plasma discharge[J].Applied Surface Science,2016,375:26-34.