A simple lattice model for the basal interface in compressible semi-crystalline polymers

Francesco Aliotta and Marco Pieruccini

Physica A: Statistical Mechanics and its Applications, 2000, vol. 287, issue 1, 105-126

Abstract: The basal interfacial regions of the laminar crystalline structures growing at moderate undercoolings in melt-crystallizing polymers, are modeled by accommodating a linear chain in a cubic lattice. The model extends previous treatments in that a finite compressibility is also accounted for. It is found that, due to the presence of density gradients: (a) compressibility is responsible of order 10% contributions to the overall basal surface tension, σe, in realistic conditions, and (b) the corresponding tight folding energies required to match the observed values of σe decrease by order 30%.

Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:287:y:2000:i:1:p:105-126

DOI: 10.1016/S0378-4371(00)00313-7

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