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

Stanisław Rabiej; Małgorzata Rabiej

doi:10.14314/polimery.2020.9.5

Published : 2020-12-16

Vol. 65 No. 9 (2020)

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

Stanisław Rabiej Małgorzata Rabiej

DOI: https://doi.org/10.14314/polimery.2020.9.5

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.

Keywords

SAXS ; lamella ; crystallinity ; distribution SAXS ; lamela ; stopień krystaliczności ; rozkład

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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

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Stanisław Rabiej stanislaw.rabiej@ath.bielsko.pl

Affiliation
University of Bielsko-Biała, Faculty of Materials, Civil and Environmental Engineering, Willowa 2, 43-309 Bielsko-Biala, Poland

Małgorzata Rabiej

Affiliation
University of Bielsko-Biała, Faculty of Materials, Civil and Environmental Engineering, Willowa 2, 43-309 Bielsko-Biala, Poland