Journal
PLASMA PROCESSES AND POLYMERS
Volume 13, Issue 9, Pages 862-868Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ppap.201600053
Keywords
acrylate precursor; high resolution mass spectrometry; mass defect analysis; plasmacopolymer; thermal analysis
Funding
- Japan Society for the Promotion of Science (JSPS)
- Luxembourg funding organization Fonds National de la Recherche (FNR) through the HABaC project (Hybrid Anti-Bacterial Coating)
- Grants-in-Aid for Scientific Research [15F15344] Funding Source: KAKEN
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Highlighting an actual plasma copolymerization remains difficult when using infrared or x-ray photoelectron spectroscopies as they provide no evidence of the formation of covalent bonds between the precursors. The combination of high resolution mass spectrometry and mass defect analysis is proposed to characterize plasma (co)polymers of alkyl and perfluorinated acrylates. The mass spectra of the coatings are readily turned into Kendrick mass defect plots unambiguously demonstrating the occurrence of plasma co-oligomers, as suspected from their thermal behavior. Requiring a proper calibration only, the mass defect analysis elegantly transforms an abstruse mass spectrum of plasma polymer in simple point series and constitutes a user-friendly method for data mining.
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