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首页> 外文期刊>Journal of Applied Polymer Science >Wettability of poly(ethylene terephthalate) film treated with low-temperature plasma and their surface analysis by ESCA
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Wettability of poly(ethylene terephthalate) film treated with low-temperature plasma and their surface analysis by ESCA

机译：低温等离子体处理的聚对苯二甲酸乙二酯薄膜的润湿性及其表面分析

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摘要

The surface of poly(ethylene terephthalate) (PET) film was modified by low-temperature plasma with O2, N2, He, Ar, H2, and CH4 gases, respectively. After being treated by low-temperature plasma, their surface wettability and chemical composition were investigated by means of electron spectroscopy for chemical analysis (ESCA) and contact angle measurement. The result shows that the surface wettability of PET can be improved by low-temperature plasma, and the effect of the modification is due mainly to the kind of the gases. Mainly because of the contribution of hydrogen bonding force γSc, the surface wettability of PET treated with O2, N2, He, and Ar plasma for a short time (3 min) increase sharply, and the surface wettability is also improved by H2 plasma treatment; but the CH4 plasma treatment does not improve the wettability of PET. ESCA shows that the effect of wettability of PET is tightly related to the presence of polar functional groups that reside in the outermost surface layer of PET.
机译：用低温等离子体分别用O2，N2，He，Ar，H2和CH4气体对聚对苯二甲酸乙二醇酯（PET）薄膜的表面进行改性。经过低温等离子体处理后，通过电子光谱法对它们的表面润湿性和化学组成进行化学分析（ESCA）和接触角测量。结果表明，低温等离子体可以提高PET的表面润湿性，并且改性的效果主要归因于气体的种类。主要是由于氢键合力γSc的作用，用O2，N2，He和Ar等离子体短时间（3分钟）处理的PET的表面润湿性急剧增加，并且通过H2等离子体处理也改善了表面润湿性;但是CH4等离子体处理并不能改善PET的润湿性。 ESCA显示，PET的润湿性影响与驻留在PET最外层的极性官能团的存在紧密相关。

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