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Deposition of thick polymer or inorganic layers with flame-retardant properties by combination of plasma and spray processes

  • Mixtures of hexamethyldisiloxane (HMDSO) and oxygen have been used for deposition of SiO2-like layers by plasma polymerization under low-pressure conditions onto polyethylene and polystyrene used as basecoat. Water glass was cast onto these 0.5 pm plasma thick siloxane-like layers with a thickness of 5 to 40 mu m. The adhesion of these bilayer systems and their flame resistance were tested. The effect of different plasma parameters such as monomer/gas ratio, pressure and power input into the discharge on the deposition rate and the composition of the formed layers was studied. Characterization and chemical composition of the formed films were performed using infrared, X-ray photoelectron and solid state nuclear magnetic resonance spectroscopy. Peel strengths of composites were measured and the locus of peel front propagation was detected. Thermal properties of composites were analyzed by thermo-gravimetric analysis. Finally, the fire-retardant properties of thick coated polymers wereMixtures of hexamethyldisiloxane (HMDSO) and oxygen have been used for deposition of SiO2-like layers by plasma polymerization under low-pressure conditions onto polyethylene and polystyrene used as basecoat. Water glass was cast onto these 0.5 pm plasma thick siloxane-like layers with a thickness of 5 to 40 mu m. The adhesion of these bilayer systems and their flame resistance were tested. The effect of different plasma parameters such as monomer/gas ratio, pressure and power input into the discharge on the deposition rate and the composition of the formed layers was studied. Characterization and chemical composition of the formed films were performed using infrared, X-ray photoelectron and solid state nuclear magnetic resonance spectroscopy. Peel strengths of composites were measured and the locus of peel front propagation was detected. Thermal properties of composites were analyzed by thermo-gravimetric analysis. Finally, the fire-retardant properties of thick coated polymers were determined by exposure to flames and the behavior of coatings on the polymers during flaming was observed visually.zeige mehrzeige weniger

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Autor*innen:Zeinab Mohamed, Simone KrügerORCiD, Jörg Florian Friedrich
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):3. Magdeburger Brand- und Explosionsschutztag / vfdb-Workshop
Jahr der Erstveröffentlichung:2013
Herausgeber (Institution):Hochschule Magdeburg-Stendal / Vereinigung zur Förderung des deutschen Brandschutzes e.V. (Vfdb)
Erste Seite:1
Letzte Seite:11
Freie Schlagwörter:Analytik; Plasmatechnologie
Polymer
Veranstaltung:3. Magdeburger Brand- und Explosionsschutztag / vfdb-Workshop
Veranstaltungsort:Magdeburg, Germany
Beginndatum der Veranstaltung:21.03.2013
Enddatum der Veranstaltung:22.03.2013
ISBN:978-3-00-041601-9
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Nein
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