Issue 16, 1995

Simulation of growth and surface roughening of polymer single crystals

Abstract

The growth of polymer single crystals has been simulated with the three-dimensional ‘entropic barrier’ model according to Sadler and Gilmer. The growth rate and lamellar thickness behaviour typical for polymers has been reproduced for a large range of interaction energy parameters. An increase in the slope of the growth-rate plot at high undercooling can be linked to a kinetic roughening of the basal plane. Furthermore, there is evidence for a near-equilibrium roughening of the basal plane. The fractal dimension of the ‘rough’ basal plane was determined to be ca. 2.2. Rough growth was found to lead to a splitting of the lamella in some cases.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans., 1995,91, 2587-2592

Simulation of growth and surface roughening of polymer single crystals

M. A. Spinner, R. W. Watkins and G. Goldbeck-Wood, J. Chem. Soc., Faraday Trans., 1995, 91, 2587 DOI: 10.1039/FT9959102587

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