This article is cited in 7 papers

Polymers

Heat effect due to monoclinic-to-orthorhombic phase transition in ultrahigh molecular weight polyethylene

V. M. Egorov^a, V. A. Marikhin^a, L. P. Myasnikova^a, A. K. Borisov^a, E. M. Ivan'kova^b, S. S. Ivanchev<sup>b

a</sup> Ioffe Institute, St. Petersburg
^b Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg

Abstract: We analyze heat effects associated with the solid-state phase transition in ultrahigh molecular weight polyethylene from the unstable monoclinic phase into thermodynamically stable orthorhombic phase. The model proposed here for the structure of supramolecular formations of monoclinic phase does not contradict to earlier X-ray diffraction data for this polymer.

Keywords: ultrahigh molecular weight polyethylene, calorimetry, phase transition, monoclinic phase.

Received: 30.05.2019
Revised: 30.05.2019
Accepted: 04.06.2019

DOI: 10.21883/FTT.2019.10.48278.500

 English version: Physics of the Solid State, 2019, 61:10, 1927–1932

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