Wetting ability modifications in biocompatible polymers induced by pulsed lasers

Plasma Physics by Laser and Applications 2013 Conference

Scolaro, C.^1 ; Torrisi, L.^1 ; Cutroneo, M.^1 ; Velardi, L.^2

Department of Physics and Earth Sciences, University of Messina, V.le F. S. D'Alcontres 31, 98166 S. Agata, Messina, Italy^1

Department of Mathematics and Physics, University of Salento, Via per Arnesano, Lecce 73100, Italy^2

关键词: Biocompatible polymer;    Irradiation time;    Laser wavelength;    Nanosecond pulse lasers;    Polymeric surfaces;    Surface changes;    Wetting ability;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/508/1/012030/pdf
DOI  :  10.1088/1742-6596/508/1/012030

来源: IOP

【 摘 要 】

Wetting ability was measured in the surface of different biocompatible polymers, such as mylar, polyethylene, poly-methyl-methacrylate and teflon. Nanosecond pulse lasers at intensities of the order of 108W/cm2were employed at different doses to irradiate the polymeric surfaces and to induce wetting ability modifications due to the chemical and physical surface changes vs. irradiation time and laser wavelength. In particular, the contact angle as a function of the surface roughness was investigated, as will be presented and discussed.