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Some Remarks on Chemical Derivatization of Polymer Surfaces after Exposure to Nitrogen-Containing Plasmas

Authors

  • Claus-Peter Klages,

    Corresponding author
    1. Technische Universität Braunschweig – Institut für Oberflächentechnik (IOT), Bienroder Weg 54 E, 38108 Braunschweig, Germany
    • Technische Universität Braunschweig – Institut für Oberflächentechnik (IOT), Bienroder Weg 54 E, 38108 Braunschweig, Germany
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  • Zohreh Khosravi,

    1. Technische Universität Braunschweig – Institut für Oberflächentechnik (IOT), Bienroder Weg 54 E, 38108 Braunschweig, Germany
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  • Alena Hinze

    1. Technische Universität Braunschweig – Institut für Oberflächentechnik (IOT), Bienroder Weg 54 E, 38108 Braunschweig, Germany
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Abstract

In this paper some basic assumptions underlying the chemical derivatization analysis of polymer surfaces treated in nitrogen-containing plasmas are critically examined. Imines, which are known to represent major constituents of such surfaces as well as of plasma polymers grown from amine precursors, show a very versatile chemical reactivity. For example, imines are generally able to exchange their carbonyl component with aromatic aldehydes. Therefore, surface reactivity of polymers treated in nitrogen-containing plasmas with 4-trifluoromethyl-benzaldehyde (TFBA) or other benzaldehydes appears to be attributable not only to (primary) amines. Similar conclusions must be drawn for several other derivatization reagents.

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