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Analysis of packing factors of crystalline polymers in terms of the glass transition to melting temperature radio

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Abstract

An expression for the ratio of the glass transition temperature to the melting temperature, T g/T m, was derived with allowance for fluctuations of the packing factor in the amorphous state. This relationship made it possible to describe the actual range of variation in T g/T m depending on a change in the packing factor in the crystalline state k o, cr. The proposed approach forms the basis for the method of determination of increments in the packing ratio k o, cr and formulation of the principles of selection of experimental data for calculations. The glass transition temperatures in polyethylene depending on the type of unit cell were calculated.

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Authors and Affiliations

  1. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Vavilova 28, Moscow, 119991, Russia

    Yu. I. Matveev

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  1. Yu. I. Matveev
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Original Russian Text © Yu.I. Matveev, 2006, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2006, Vol. 48, No. 11, pp. 2001–2006.

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Matveev, Y.I. Analysis of packing factors of crystalline polymers in terms of the glass transition to melting temperature radio. Polym. Sci. Ser. A 48, 1185–1189 (2006). https://doi.org/10.1134/S0965545X06110083

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  • DOI: https://doi.org/10.1134/S0965545X06110083

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