Surface Functionalization at Atmospheric Pressure by DBD-Based Pulsed Plasma Polymerization

Springer Science and Business Media LLC - Tập 5 - Trang 79-89 - 2000
Claus-Peter Klages1, Katrin Höpfner1, Niklas Kläke1, Rudolf Thyen1
1Fraunhofer Institute for Surface Engineering and Thin Films (IST), Braunschweig, Germany

Tóm tắt

Dielectric barrier discharge (DBD)-based plasma deposition at atmospheric pressure, using glycidyl methacrylate (GMA, methacrylic acid-[2,3-epoxy-propyl ester]) as a prototype precursor was investigated in order to evaluate the applicability of dielectric barrier discharges to obtain plasma polymers with a high degree of structural retention of the starting precursor. Using pulsed excitation of the discharge, up to about 90% of the epoxy groups of GMA can be retained in plasma polymers obtainableat deposition rates in the order of 3–5nm/s. Preliminary investigations of the mechanism of film formation under pulsed plasma conditions indicate that the reaction of intact monomer molecules withsurface radicals generated during the pulses play a prominent role.

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Springer Science and Business Media LLC

Tập 5

79-89

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