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Influence of ultraviolet radiation on surface topography of PMMA material

  • For the first time it was discovered that ultraviolet radiation with a wavelength of 200 to 400 nm (maximum 365 nm) radiated from a distance of 40 cm (intensity: 3500 mW/cm²) to PMMA altered its surface wettability as well as a roughness at the nanoscale that was observed with an atomic force microscope (AFM). The roughness rises and falls again in a short time ( 1-2days ) after 75 min and 180 min irradiation time. However , during the next 10 days roughness became stabilized and there was no influence of UV if PMMA was stored in air or in a Petri dish out of glass.

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Author:Tabea Christine Schettler
Document Type:Master's Thesis
Date of Publication (online):2014/07/29
Publishing Institution:Hochschule Mittweida
Release Date:2014/07/29
GND Keyword:Ultraviolett; Oberflächenbehandlung; Polymethylmethacrylate
Institutes:03 Mathematik / Naturwissenschaften / Informatik
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Open Access:Frei zugänglich
Licence (German):License LogoUrheberrechtlich geschützt