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Surface modification of polyurethan and silicone for therapeutic medical technics by means of electronen beam

: Wetzel, C.; Schwarz, W.; Schönfelder, J.; Funk, R.H.W.


Surface and coatings technology 205 (2010), Nr.5, S.1618-1623
ISSN: 0257-8972
International Conference on Metallurgical Coatings and Thin Films (ICMCTF) <37, 2010, San Diego/Calif.>
Fraunhofer FEP ()
electron beam; biofunctionalization; surface modification; silicone; polyurethane; medical technics

Surface modification technologies are gaining growing acceptance for treatment of implant materials to enhance biocompatibility. Our examinations focus on polyetherurethane and silicones, two typical flexible implant materials, which we have modified by non-thermal electron beam processing. Advantages of this method are the adjustable degree of modification as well as the simultaneous sterilizing effects. The polymer surfaces were characterized with regard to wetting behavior, surface energy, chemistry and morphology. The cell adhesion was examined too. The results reveal that the electron beam is a useful tool for surface modification of polymers.