Photo-Oxidation of PVC-Coated Membrane Material

Xu Dong Yang; Yong Sheng Yan; Wen Can Qiu

doi:10.4028/www.scientific.net/AMR.650.238

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 650Photo-Oxidation of PVC-Coated Membrane Material

Photo-Oxidation of PVC-Coated Membrane Material

Abstract:

To study photo-oxidation behavior of PVC-coated membrane material under different UV radiation intensities, three intensities of Ultraviolet (UV) irradiation were carried out. The yellowness indexes under different weathering conditions were measured, as well as UV-Vis spectrometry. Result shows that the photo-oxidation mechanism doesn’t change under different UV intensities, but the photo-oxidation reaction rates are not equal when the cumulative UV radiation energy is same. A conclusion is obtained that photo-oxidation reaction rate under different intensities is out of proportion to UV intensity. And according to Schwarzschild’s law, an equation form is established to predict material’s life.

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Periodical:

Advanced Materials Research (Volume 650)

Pages:

238-244

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.650.238

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Online since:

January 2013

Authors:

Xu Dong Yang, Yong Sheng Yan, Wen Can Qiu

Keywords:

Cumulative UV Radiation Energy, Photo-Oxidation, PVC-Coated Membrane Material, Uv Intensity

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