Abstract
Scanning force microscopy was applied for the study of the surface morphology and mechanical properties of (poly(methyl acrylate)/poly(methyl methacrylate) 95/5 by wt) (PMA/PMMA) blend film. X-ray photoelectron spectroscopy (XPS), lateral force microscopy (LFM), and scanning viscoelasticity microscopy (SVM) measurements of the phase-separated PMA/PMMA blend film were carried out to evaluate the effect of surface roughness on the surface composition. It was revealed that the surface composition of the blend film measured by XPS was much higher than that by LFM or SVM. The remarkable difference of the surface composition between XPS and LFM measurements was explained by the surface roughness of the blend film because LFM and SVM only reflect the surface physical properties of the material, regardless of the surface roughness.
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