Oznaczanie migracji metali z nieplastyfikowanego poli(chlorku winylu) poddanego przyspieszonemu starzeniu

A. Borowska; T. Sterzyński; M. Pokora

Published : 2021-08-31

Vol. 55 No. 1 (2010)

Determination of metals' migration from unplastified poly(vinyl chloride) exposed to accelerated ageing

A. Borowska T. Sterzyński M. Pokora

Abstract

14 blends of unplastified poly(vinyl chloride) (PVC-U) containing pigments, stabilizing systems and fillers were prepared (Table 1, 2) and then exposed to accelerated ageing by UV radiation in a chamber. The migration of metals: Fe, Pb, Ca, Mn, Mg, Al, Zn, Ti, Si and Zr from the sample surface layer to model liquid was determined by inductively coupled plasma atomic emission spectroscopy (ICP). The difference between the migration value of initial material and of aged one was treated as a measure of PVC-U degradation degree (Fig. 1-4). Additionally the thermal stability of the samples before and after UV irradiation was studied (Fig. 6). The cross-section of samples (Fig. 5) were visually evaluated.

Keywords

nieplastyfikowany poli(chlorek winylu) ; przyspieszone starzenie ; migracja metali ; stabilność termiczna ; stopień degradacji unplastified poly(vinyl chloride) ; accelerated ageing, metals' migration ; thermal stability ; degradation degree

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Borowska, A., Sterzyński, T., & Pokora, M. (2021). Determination of metals’ migration from unplastified poly(vinyl chloride) exposed to accelerated ageing. Polimery, 55(1), 47-54. Retrieved from https://ichp.vot.pl/index.php/p/article/view/986

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