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Stability of supermolecular structure below Tg

A role of free and specific volumes in local relaxations

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Abstract

A comprehensive description of the changes occurring in the amorphous phase (‘real’ and ‘semi-ordered’) by means of mechanical spectroscopy, differential scanning calorimetry, dilatometry and positron annihilation lifetime spectroscopy are presented. The knowledge of the dynamics of poly(methyl-4-pentene-1) in a vicinity of the glass transition temperature is extended. The relationship between the free and the specific volumes is defined in the glass transition zone and below the zone. The results for the aging effect of the polymer system are also presented. The role of free and specific volumes in the structural and local relaxation are discussed.

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Authors and Affiliations

  1. Uniwersytet Śląski, Instytut Fizyki, Katowice, Poland, 40-007, Uniwersytecka 4

    Danch A. & Osoba W.

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  1. Danch A.
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  2. Osoba W.
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Correspondence to Danch A..

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Danch, A., Osoba, W. Stability of supermolecular structure below Tg. J Therm Anal Calorim 84, 79–83 (2006). https://doi.org/10.1007/s10973-005-7162-1

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  • DOI: https://doi.org/10.1007/s10973-005-7162-1

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