Published : 2020-12-16

A comparison of the structure of lamellar stacks in a semicrystalline polymer during melting and crystallization by means of the Intensity Superposition Method

Abstract

This work presents the results of Small Angle X-ray Scattering (SAXS) investigations of the structure of lamellar stacks in ethylene-1-octene copolymer during heating and cooling. The SAXS curves were analysed using the Intensity Superposition Method (ISM). By means of this method, not only the average values of the parameters of lamellar stacks but also the stacks crystallinity distribution function were determined. Based on this function, the structure of lamellar stacks during crystallization and melting of the copolymer was compared and observed differences were indicated.


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Rabiej, S., & Rabiej, M. (2020). A comparison of the structure of lamellar stacks in a semicrystalline polymer during melting and crystallization by means of the Intensity Superposition Method. Polimery, 65(9), 632-638. https://doi.org/10.14314/polimery.2020.9.5