Plasmachemical oxygenation of porous polymer surfaces for stable hydrophilicity and enhanced liquid absorption

Highly wettable polymer surfaces can be produced by using two consecutive plasma treatment steps corresponding to crosslinking followed by oxidation. Contact angle and XPS measurements indicate that these surfaces are stable towards hydrophobic recovery. Plasma modification of porous polymer sheets...

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Bibliographic Details
Published in:Polymer (Guilford) 2011-11, Vol.52 (25), p.5732-5738
Main Authors: Schofield, W.C.E., Badyal, J.P.S.
Format: Article
Language:English
Subjects:
absorption
Applied sciences
Coating, metallization, dyeing
Contact angle
Crosslinking
Exact sciences and technology
Hydrophilicity
hydrophobicity
Liquids
Machinery and processing
oxidation
Oxygenation
Plasma
Plastics
Polymer industry, paints, wood
polymers
Porous
Surface chemistry
Technology of polymers
Water absorption
X-ray photoelectron spectroscopy
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Summary:Highly wettable polymer surfaces can be produced by using two consecutive plasma treatment steps corresponding to crosslinking followed by oxidation. Contact angle and XPS measurements indicate that these surfaces are stable towards hydrophobic recovery. Plasma modification of porous polymer sheets using this 2-step approach gives rise to high water absorption capacities. [Display omitted]
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2011.09.052