Characterisation of plasma polymers by thermoluminescence

Krüger, Simone; Schulze, R.‐D.; Brademann-Jock, Kerstin; Swaraj, Sufal; Friedrich, Jörg

doi:10.1016/j.surfcoat.2005.12.003

Cited by 14 publications

(1 citation statement)

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“…Compositions and structures of plasma polymers were investigated by bulk‐ and surface‐analytical methods. Bulk methods used were IR transmission spectroscopy,7, 41 dielectric relaxation spectroscopy (DRS),40, 99, 100, 130, 131 electron spin resonance (ESR),13–136 thermo‐luminescence (TL),137, 138 thermo‐gravimetry (TG),13, 139, 140 1 H‐ and broadline NMR 42, 135. All results of bulk analyses reflect the total absence of structural and compositional regularity in plasma polymers, regardless of whether they are produced by cw‐ or pulsed plasma.…”

Section: Structures Of Plasma Polymersmentioning

confidence: 99%

Mechanisms of Plasma Polymerization – Reviewed from a Chemical Point of View

Friedrich

2011

Plasma Processes & Polymers

369

336

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Several reaction mechanisms have been proposed for the formation of plasma polymers, such as monomer fragmentation followed by poly‐recombination into randomly structured and crosslinked films; fragmentation, accompanied by the formation of acetylene or other film‐forming intermediates and deposition of polystyrene‐like material; plasma‐initiation of a radical chain‐growth polymerization; and ion‐molecule reactions, as well as ionic chain‐growth polymerization. The bulk structure of plasma polymers is completely irregular, far from that of conventional polymers. The retention of functional groups during plasma polymerization tends to be greater than that of the entire monomer structure found again as an intact repeat unit in the resulting plasma polymer. An alternative method for depositing ultra‐thin, pin‐hole free coatings, ones that possess regular structures, is by electrospray ionization (ESI) of pre‐fabricated polymers.

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