TY - JOUR
T1 - Towards understanding hydrophobic recovery of plasma treated polymers
T2 - Storing in high polarity liquids suppresses hydrophobic recovery
AU - Bormashenko, Edward
AU - Chaniel, Gilad
AU - Grynyov, Roman
PY - 2013/5/15
Y1 - 2013/5/15
N2 - 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.
AB - 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.
KW - Cold plasma
KW - Dipole-dipole interaction
KW - Hydrophobic recovery
KW - Polar liquids
KW - Polyethylene
KW - Wetting
UR - http://www.scopus.com/inward/record.url?scp=84876413383&partnerID=8YFLogxK
U2 - 10.1016/j.apsusc.2013.02.078
DO - 10.1016/j.apsusc.2013.02.078
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AN - SCOPUS:84876413383
SN - 0169-4332
VL - 273
SP - 549
EP - 553
JO - Applied Surface Science
JF - Applied Surface Science
ER -