Towards understanding hydrophobic recovery of plasma treated polymers: Storing in high polarity liquids suppresses hydrophobic recovery

被引：81

作者：

Bormashenko, Edward ^{[1
,2
]}

Chaniel, Gilad ^{[1
,3
]}

Grynyov, Roman ^{[1
]}

机构：

[1] Ariel Univ, Fac Phys, IL-40700 Ariel, Israel

[2] Ariel Univ, Chem Engn & Biotechnol Fac, IL-40700 Ariel, Israel

[3] Bar Ilan Univ, Fac Phys, IL-52900 Ramat Gan, Israel

来源：

APPLIED SURFACE SCIENCE | 2013年 / 273卷

关键词：

Cold plasma; Polyethylene; Wetting; Hydrophobic recovery; Polar liquids; Dipole-dipole interaction; CORONA DISCHARGE PLASMA; CONTACT-ANGLE; ADHESION IMPROVEMENT; SURFACE-CHEMISTRY; SILICONE-RUBBER; ENERGY-TRANSFER; ARGON PLASMA; POLYPROPYLENE; POLYSTYRENE; AIR;

D O I：

10.1016/j.apsusc.2013.02.078

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The phenomenon of hydrophobic recovery was studied for cold air plasma treated polyethylene films. Plasma-treated polymer films were immersed into liquids with very different polarities such as ethanol, acetone, carbon tetrachloride, benzene and carbon disulphide. Hydrophobic recovery was studied by measurement of contact angles. Immersion into high polarity liquids slows markedly the hydrophobic recovery. We relate this slowing to dipole-dipole interaction of polar groups of the polymer with those of the liquids. This kind of interaction becomes decisive when polar groups of polymer chains are at least partially spatially fixed. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：549 / 553

页数：5

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