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

被引：0

作者：

Borowska A. ^{[1
]}

Sterzyński T. ^{[2
]}

Pokora M. ^{[3
]}

机构：

[1] Politechnika Poznańska, Wydzial Technologii Chemicznej, 60-965 Poznań

[2] Politechnika Poznańska, Wydział Budowy Maszyn i Zarz̧dzania, Instytut Technologii Materialów, 60-965 Poznań

[3] Instytut Metali Niezelaznych Oddzial W Poznaniu, Centraine Laboratorium Akumulatorów i Ogniw, 61-362 Poznań

来源：

Polimery/Polymers | 2010年 / 55卷 / 01期

关键词：

Accelerated ageing; Degradation degree; Metals' migration; Thermal stability; Unplastified poly(vinyl chloride);

D O I：

10.14314/polimery.2010.047

中图分类号：

学科分类号：

摘要：

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.

引用

页码：47 / 54

页数：7

共 11 条

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