Journal
VACUUM
Volume 100, Issue -, Pages 53-56Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2013.07.016
Keywords
Polyethylene; Low-pressure plasma; Poly(2-ethyl-2-oxazoline); Surface modification
Funding
- Slovak Grant Agency VEGA [2/0064/10, 2/0151/12, 2/0185/10]
- Research & Development Operational Program
- ERDF
- [TACR TE01020118]
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Low-density polyethylene (LDPE) is a suitable polymer for biomedical applications due to its good physiochemical properties, but its insufficient biocompatibility is often an issue. Therefore, biocompatible substances such as those based on 2-ethyl-2-oxazoline seem to be a good choice to increase the LOPE biocompatibility. In this work, the surface modification of LDPE with poly(2-ethyl-2-oxazoline) with two different end-groups was investigated. This modification led to the improvement of surface and adhesion properties, which were investigated by several analytical methods. The low-temperature plasma treatment of the LOPE surface was sufficient to create binding sites for the permanent attachment of poly(2ethyl-2-oxazoline) chains. This was confirmed by infrared spectroscopy and X-Ray photoelectron spectroscopy. It was found that the polymer containing the acrylic end-group was well attached to the LDPE surface. (c) 2013 Elsevier Ltd. All rights reserved.
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