Journal
PLASMA PROCESSES AND POLYMERS
Volume 10, Issue 11, Pages 948-958Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ppap.201300033
Keywords
derivatization; FTIR-ATR in situ; plasma treatment; polyethylene (PE); polymer modification
Funding
- Deutsche Forschungsgemeinschaft (DFG) [Kl 1096/19]
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Chemical derivatization reactions of nitrogen plasma-treated surfaces with aromatic aldehydes, such as the prototypic 4-trifluoromethyl-benzaldehyde (TFBA), have for a long time been considered selective for primary amines. Results of an in situ study using FTIR-ATR spectroscopy challenge the validity of this assumption: Modification of polyethylene surfaces by afterglows of dielectric barrier discharges in nitrogen-hydrogen mixtures with subsequent hydrogen/deuterium exchange or TFBA derivatization suggests that the latter does not follow the commonly assumed reaction scheme.
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