Summary
Our studies of ultra-highly oriented samples of polyethylene (PE) with a draw ratio up to 150 using the DSC technique have shown that polymer crystals likewise the crystals of other classes can melt at an equilibrium temperature within a zero melting range. The inter- and intramolecular stages of the melting process predicted theoretically by Flory have been confirmed experimentally.
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Bershtein, V.A., Savitsky, A.V., Egorov, V.M. et al. Polymer melting at an equilibrium temperature in a zero melting range as well as inter- and intramolecular stages of the process. Polymer Bulletin 12, 165–172 (1984). https://doi.org/10.1007/BF00263340
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DOI: https://doi.org/10.1007/BF00263340