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An algorithm able to mimic crystal lengthening, branching, widening and thickening was developed in order to build spherulites similar to those observed in polyethylene. The ranges of volume crystallinity and crystal width-to-thickness ratio attainable were ≤40% and 8–35, respectively. An on-lattice Monte Carlo-based algorithm was used to generate penetrant trajectories in the built spherulites. Diffusivity...
Penetrant diffusion in semicrystalline polyethylene was simulated by first generating model spherulitic systems, and then, in the same systems, generating penetrant trajectories. Spherulitic growth was mimicked with an algorithm able to generate structures comparable to those observed in polyethylene. Current limitations in the number of lattice points of the system restricted the minimum amorphous...
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