Interfacial Structures and Mechanical Response of Highly Viscous Polymer Melt on Solid Surfaces Investigated by Atomic Force Microscopy
Yuto Nishiwaki,
Yuya Yamada,
Toru Utsunomiya
et al.
Abstract:The interfacial structures and mechanical response of the highly viscous poly(dimethylsiloxane) (PDMS, 9750 mPa s, M n ∼ 59,000) on solid surfaces were investigated by frequency-modulation atomic force microscopy using a quartz tuning fork sensor. A layered density distribution on a PDMS/mica interface was visualized on a sample that has set for 29 h by two-dimensional frequency shift (Δf) mapping, and the result exhibited that the layered structure was metastable. It was also found that the damping coefficien… Show more
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