期刊
POLYMER DEGRADATION AND STABILITY
卷 88, 期 3, 页码 357-362出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2004.11.012
关键词
poly(vinyl chloride); titanium dioxide pigments; weathering; infrared spectroscopy; UV-vis spectroscopy; colourimetry
Four different PVC formulations, designed for outdoor applications, were submitted to artificial accelerated ageing in xenon light, without and with spray of water, and to natural exposure in Lisbon. The influence of the combined action of water, temperature and radiation in the oxidative ageing was evaluated by means of molecular analysis, using infrared spectroscopy, and in terms of evolution of the aesthetic properties, using scanning spectroscopy and colourimetry. (c) 2004 Elsevier Ltd. All rights reserved.
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