کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9675529 1454099 2005 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Electrokinetic investigation of polyelectrolyte adsorption and multilayer formation on a polymer surface
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
Electrokinetic investigation of polyelectrolyte adsorption and multilayer formation on a polymer surface
چکیده انگلیسی
Self assembled polyelectrolyte layers of poly(sodium 4-styrenesulfonate) (PSS), and poly(diallyldimethylammonium chloride) (PDADMAC) were deposited on planar poly(ethylene terephthalate) (PET) substrates using the layer-by-layer technique. Charged functional groups were generated on the polymer substrates by means of a surface modification procedure prior to polyelectrolyte adsorption. The layers were characterised concerning their electrokinetic properties. The build-up of multilayer architectures could be followed by changes of the zeta-potential versus pH curves. An increase of coating density with increasing layer number was found. The electrokinetic properties of the PET substrates were not recognised anymore if more then four layers were applied. If PSS formed the outermost layer these assemblies were very stable against shear forces while if PDADMAC formed the outermost layer the films were partially destroyed by high shear forces.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volumes 270–271, 1 December 2005, Pages 107-114
نویسندگان
, , , , ,