6533b7d5fe1ef96bd1263c73
RESEARCH PRODUCT
Amorphous hydrogenated carbon (a-C:H) depositions on polyoxymethylene: Substrate influence on the characteristics of the developing coatings
Franco Mario GelardiAlberto CatenaStefan WehnerMichael R. KunzeSimonpietro AgnelloChristian B. Fischersubject
Materials Chemistry2506 Metals and AlloysMaterials sciencechemistry.chemical_elementSurfaces Coatings and Film02 engineering and technologyChemical vapor depositionCondensed Matter Physic01 natural scienceschemistry.chemical_compoundsymbols.namesake0103 physical sciencesMaterials ChemistryPolyethylene terephthalateComposite materialRF-PECVDRaman010302 applied physicsPolyoxymethyleneChemistry (all)Settore FIS/01 - Fisica SperimentaleSurfaces and InterfacesGeneral ChemistryPolyethylene021001 nanoscience & nanotechnologyCondensed Matter PhysicsSurfaces Coatings and FilmsAmorphous solidDRIFTchemistryChemical engineeringDiamond-like carbon (DLC)symbolsHigh-density polyethyleneAFM0210 nano-technologyRaman spectroscopySurface morphologyCarbonSurfaces and Interfacedescription
Abstract After oxygen plasma treatment polyoxymethylene (POM) material was exposed to acetylene plasma to progressively deposit two different types of amorphous hydrogenated carbon (a-C:H) films. Radio frequency plasma-enhanced chemical vapor deposition (RF-PECVD) was used to generate both plasma processes. The surface morphology of the coated samples has been investigated by atomic force microscopy (AFM) and their chemical composition by Diffusive Reflectance Infrared Fourier Transform (DRIFT) and Raman spectroscopy. Results revealed the absence of a solid interlayer formation between the a-C:H films and POM. The in sequence exposure of oxygen and acetylene plasma on POM substrate prevents a sufficient intermixing between both materials. Furthermore, it is proven that the a-C:H network developed on POM is remarkably different compared to identically deposited films on high-density polyethylene (HDPE) and polyethylene terephthalate (PET). This demonstrates that the different plastic substrates together with the diverse effects of both plasma exposures on them can strongly affect the resulting structure of the coating.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2016-12-01 |