Relaxation Phenomena observed for Single Polymer Chains

  • Watanabe, Kenji (Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of technology) ;
  • Ohno, Naoto (Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of technology) ;
  • Nakajima, Ken (Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of technology) ;
  • Nishi, Toshio (Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of technology)
  • Published : 2006.10.13

Abstract

Nanofishing enabled us to stretch a single polymer chain with picking it at its two modified termini using atomic force microscope (AFM). Stress-strain curves obtained to date had been the result on slow pulling events and therefore observed phenomena had been interpreted as quasi-static responses. In this study, we extended the capability of nanofishing to the phenomena far from equilibrium state by giving much faster pulling speeds. We could observe a momental increase entanglement and a successive stress relaxation.

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