On Hydrophilicity Ageing of PP and PET Films Induced by UltravioletRadiation and Hydrogen Atoms

Yu. S. Akishev; M.E. Grushin; A.I. Drachev; V.B. Karalnik; A.V. Petryakov; N.I. Trushkin

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On Hydrophilicity Ageing of PP and PET Films Induced by UltravioletRadiation and Hydrogen Atoms

机译：紫外线和氢原子引起的PP和PET薄膜的亲水性老化

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The hydrophilicity ageing of polypropylene (PP) and polyethylene terephthalate (PET) films treated by nonthermalplasma usually takes over 150 days. In the present work, the accelerated ageing induced by hydrogen atoms andultraviolet (UV) radiation with a wavelength of λ = 253.7 nm was studied. It was experimentally found that the hydrogenatoms restored the modified polymers to their original hydrophobicity very quickly (within several tens of seconds). UVirradiation of the modified PP film leads to degradation of the hydrophilic properties in 7-8 hours. The irradiation of PETfilm over the first three hours results in the hydrophilicity degradation, but further irradiation improves its hydrophilicproperties. The analysis of the processes in the modified layer of PP and PET films during their ageing is performed.

机译：经过非热等离子体处理的聚丙烯（PP）和聚对苯二甲酸乙二醇酯（PET）薄膜的亲水性老化通常需要150天以上。在目前的工作中，研究了由氢原子和波长为253.7 nm的紫外线（UV）引起的加速老化。通过实验发现，氢原子非常快速地（在几十秒内）将改性的聚合物恢复至其原始疏水性。改性PP膜的紫外线照射导致7-8小时内亲水性降低。在开始的三个小时内辐照PET膜会导致亲水性下降，但进一步辐照会改善其亲水性。对PP和PET膜的老化过程中改性层的过程进行了分析。

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《The Open Plasma Physics Journal》 |2013年第1期|共11页
作者
Yu. S. Akishev; M.E. Grushin; A.I. Drachev; V.B. Karalnik; A.V. Petryakov; N.I. Trushkin;
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中图分类等离子体物理学;
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On Hydrophilicity Ageing of PP and PET Films Induced by UltravioletRadiation and Hydrogen Atoms

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