2006
DOI: 10.1016/j.jcis.2005.11.007
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Comparison of the surface characteristics of polypropylene films treated by Ar and mixed gas (Ar/O2) atmospheric pressure plasma

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Cited by 118 publications
(66 citation statements)
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“…The plasma treatment can lead to chemical etching by breaking bonds, chain scission and chemical degradation of the treated polymer or it can result in physical etching by physically removing low molecular fragments. While chemical etching is promoted by radicals in plasma discharges, physical etching occurs under strong bombardment by energetic particles such as electrons and ions [25,[30][31][32]. The etching effect of plasma is already being harnessed for surface functionalization and cleaning purposes [20], but this study also suggests that the etching effect of plasma also plays an important role in controlling the release kinetics of active compounds from an active packaging material.…”
Section: Surface Characteristicsmentioning
confidence: 82%
“…The plasma treatment can lead to chemical etching by breaking bonds, chain scission and chemical degradation of the treated polymer or it can result in physical etching by physically removing low molecular fragments. While chemical etching is promoted by radicals in plasma discharges, physical etching occurs under strong bombardment by energetic particles such as electrons and ions [25,[30][31][32]. The etching effect of plasma is already being harnessed for surface functionalization and cleaning purposes [20], but this study also suggests that the etching effect of plasma also plays an important role in controlling the release kinetics of active compounds from an active packaging material.…”
Section: Surface Characteristicsmentioning
confidence: 82%
“…35 Therefore, it was concluded that the wettability increase was due to the increase in the base parameter of the surface-free energy by the introduction of the oxygen-containing surface functional groups due to exposure to APP and UV. 12,29,[36][37][38] In fact, the increases in the wettability, the surface-free energy and the surface oxidation of the PET were remarkable after the APP treatment compared with the UV treatment.…”
Section: Surface Characteristics Of Pet Treated By Dry Processingmentioning
confidence: 97%
“…It has been reported that a remarkable topographical change on polymer surfaces is observed when inert Ar/He gas 37 and a UV excimer laser 39,40 are used for the APP and the UV treatments, respectively. Surface roughness control of PET by dry processes is the subject for a future study.…”
Section: Surface Characteristics Of Pet Treated By Dry Processingmentioning
confidence: 99%
“…Por ser um polímero hidrofóbico, o polipropileno possui baixa molhabilidade e consequentemente baixa adesão; portanto, para muitas das aplicações do PP é necessário aumentar a molhabilidade do polímero. Vários métodos estão disponíveis para modificar superfícies de polímeros, como corona [3][4][5] , fotoquímica envolvendo a exposição da superfície à radiação ultravioleta de vácuo, VUV (200 nm < λ < 100 nm) [6][7][8][9][10][11][12][13] e o tratamento por plasma [14][15][16][17][18] . A molhabilidade como uma propriedade de superfície, pode ser ajustada tanto por modificações na energia livre quanto topográficas [19] .…”
Section: Introductionunclassified