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Correlation Between UV/Condensation and Xe Artificial Weathering Tests on Ethylene–Propylene–Diene Monomer Rubber

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Abstract

Artificial weathering tests on ethylene–propylene–diene monomer (EPDM) rubber were conducted in a fluorescent UV/condensation weathering equipment (E-UV environment) and a xenon lamp light exposure and weathering equipment (E-Xe environment) for different time periods. The correlation between E-UV and E-Xe environment was investigated by using crosslink density as criteria. Thermal gravimetric analysis (TGA) was used to evaluate the thermal stability of EPDM. The fracture morphology was monitored by scanning electron microscope (SEM). The results showed that the correlation between E-UV and E-Xe environments can be expressed as: \( t_{\text{Xe}} = - 7.4818 + 1.1837t_{{{\text{Xe}}{-}{\text{UV}}}} , \) where the correlation coefficient R is 0.9856. The thermal stability of EPDM did not deteriorate dramatically on exposure to the two artificial weathering environments. An oxidation layer was formed after 90 days of exposure.

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Acknowledgments

The authors are grateful for the financial support from the National Natural Science Foundation of China, whose register numbers are 50533060 and 50571013. The authors are also thankful for the financial support of National R&D Infrastructure and Facility Development Program of China, whose register number is 2005DKA10400.

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Authors and Affiliations

  1. Department of Environmental Engineering, Peking University, The Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing, 100871, China

    Quanlin Zhao & Zhengfang Ye

  2. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China

    Xiaogang Li

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  1. Quanlin Zhao
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  2. Xiaogang Li
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Correspondence to Quanlin Zhao.

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Zhao, Q., Li, X. & Ye, Z. Correlation Between UV/Condensation and Xe Artificial Weathering Tests on Ethylene–Propylene–Diene Monomer Rubber. J Fail. Anal. and Preven. 11, 282–285 (2011). https://doi.org/10.1007/s11668-011-9446-z

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  • DOI: https://doi.org/10.1007/s11668-011-9446-z

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