Surface molecular motion of hyperbranched polystyrene and its application as a surface modifier

F. Ariura, Keiji Tanaka, T. Nagamura, A. Deffieux, M. Schappacher, T. Kajiyama

Research output: Contribution to conferencePaper

Abstract

Well-defined hyperbranched polystyrene (HB-PS) was synthesized combining cationic and anionic polymerizations. Lateral force microscopy revealed that the glass transition temperature T g at the surface of HB-PS was lower than the corresponding bulk value, and that the extent was dependent on the number of branching, namely the chain end concentration. Then, mixtures of HB-PS and linear PS were prepared. The surface and interfacial segregations of HB-PS were confirmed by secondary ion mass spectrometry in conjunction with neutron reflectivity. The result was in good accordance with a prediction by a self-consistent field calculation. Finally, it was concluded that the surface physical properties would be controlled by an addition of a little amount of HB-PS into PS.

Original languageEnglish
Number of pages1
Publication statusPublished - Dec 1 2005
Event54th SPSJ Annual Meeting 2005 - Yokohama, Japan
Duration: May 25 2005May 27 2005

Other

Other54th SPSJ Annual Meeting 2005
CountryJapan
CityYokohama
Period5/25/055/27/05

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Ariura, F., Tanaka, K., Nagamura, T., Deffieux, A., Schappacher, M., & Kajiyama, T. (2005). Surface molecular motion of hyperbranched polystyrene and its application as a surface modifier. Paper presented at 54th SPSJ Annual Meeting 2005, Yokohama, Japan.