Surface Mobility in Monodisperse Polystyrene Films

Tisato Kajiyama; Daisuke Kawaguchi; Keiji Tanaka

doi:10.1002/masy.200351111

Surface Mobility in Monodisperse Polystyrene Films

Tisato Kajiyama, Daisuke Kawaguchi, Keiji Tanaka

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Surface dynamics in monodisperse polystyrene films was examined by lateral force microscopy in conjunction with dynamic secondary ion mass spectroscopy. Glass transition temperature, T_g, at the surface was markedly lower than the corresponding bulk T_g. Also, it was shown that polymer chains present at the surface could diffuse even at a temperature below the bulk T_g. The surface depth, in which molecular motion was activated, was of the order of 5 nm.

Original language	English
Pages (from-to)	95-102
Number of pages	8
Journal	Macromolecular Symposia
Volume	201
DOIs	https://doi.org/10.1002/masy.200351111
Publication status	Published - Sep 1 2003

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1002/masy.200351111

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