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Stabilization of metastable phase II of isotactic polybutene-1 by coated carbon

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Summary

Stabilization effect on metastable phase II of isotactic polybutene-1 (iPB-1) by coated carbon has been investigated by transmission electron microscopy (TEM) and electron diffraction (ED) techniques. The results indicate that after evaporating carbon, the phase II-I crystal transformation time is greatly prolonged from 9 days for carbon-uncoated samples to 120 days for carbon-coated ones under atmospheric pressure, while under high pressure (50 bar), the phase transformation time increases from 5 min for the former to 20 min for the latter. The stabilization effect on metastable phase II of carbon coated iPB-1 is attributed to a surface fixing effect of the evaporated carbon.

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Authors and Affiliations

  1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Graduate School of the Chinese Academy of Science, Chinese Academy of Sciences, Changchun, 130022, P.R. China

    Kangbo Lü & Decai Yang

Authors
  1. Kangbo Lü
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  2. Decai Yang
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Correspondence to Decai Yang.

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Lü, K., Yang, D. Stabilization of metastable phase II of isotactic polybutene-1 by coated carbon. Polym. Bull. 58, 731–736 (2007). https://doi.org/10.1007/s00289-006-0705-1

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  • DOI: https://doi.org/10.1007/s00289-006-0705-1

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