Graft Polymerization of Acrylic Acid on a Polytetrafluoroethylene Panel by an Inductively Coupled Plasma-中国期刊网

摘要 Surfacemodificationonapolytetrafluoroethylene(PTFE)panelwasperformedwithsequentialnitrogenplasmatreatmentsandsurface-initiatedpolymerization.ByintroducingCOO—groupstothesurfaceofthePTFEpanelthroughgraftingpolymerizationofacrylicacid(AA),atransparentpoly(acrylicacid)(PAA)membranewasachievedfromacrylicacidsolution.GraftingpolymerizationinitiatingfromtheactivegroupswasachievedonthePTFEpanelsurfaceafterthenitrogenplasmatreatment.Utilizingtheacrylicacidasmonomers,withCOO—groupsascrosslinksitestoformreticulationstructure,atransparentpoly(acrylicacid)membranewitharborescentmacromolecularstructurewasformedonthePTFEpanelsurface.Analysismethods,suchasfouriertransforminfraredspectroscopy(FTIR),microscopyandX-rayphotoelectronspectroscopy(XPS),wereutilizedtocharacterizethestructuresofthemacromoleculemembraneonthePTFEpanelsurface.AcontactanglemeasurementwasperformedtocharacterizethemodifiedPTFEpanels.ThesurfacehydrophilicitiesofmodifiedPTFEpanelsweresignificantlyenhancedaftertheplasmatreatment.Itwasshownthatthegraftingrateisrelatedtothetreatingtimeandthepowerofplasma.

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Graft Polymerization of Acrylic Acid on a Polytetrafluoroethylene Panel by an Inductively Coupled Plasma

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Graft Polymerization of Acrylic Acid on a Polytetrafluoroethylene Panel by an Inductively Coupled Plasma

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