Abstract
The epitaxy of polyethylene (PE) on oriented α and β-form of isotactic polypropylene (PP) at different crystallization temperatures and rates have been investigated. The result shows that the epitaxy of PE on β-form of PP does not differ from that on the α-form of PP. The epitactic alignment of the PE lamellae on the PP films becomes more perfect with higher crystallization rates of PE. The epitaxy of PE on α- or β-form of PP does not occur at crystallization temperatures higher than 123 °C. A nucleation controlled process for the alignment of the PE is proposed.
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Petermann, J., Xu, Y. The origin of heteroepitaxy in the system of uniaxially oriented isotactic polypropylene and polyethylene. J Mater Sci 26, 1211–1215 (1991). https://doi.org/10.1007/BF00544457
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DOI: https://doi.org/10.1007/BF00544457