Journal article
Predicting the depletion of antioxidants in high density polyethylene (HDPE) under sunlight using the reciprocity law
GEOTEXTILES AND GEOMEMBRANES, v 48(2)
Apr 2020
Abstract
Depletion of antioxidants in HDPE subjected to sunlight exposure was studied. Sunlight radiation was simulated using a laboratory xenon light weatherometer at three irradiation levels. Oxidative induction time (OIT) test was performed on different layers along the thickness of the test coupons to establish the antioxidant depletion throughout the exposure duration. The highest drop in OIT was obtained for the surface layer facing the radiation, followed by the backside layer which was exposed to indirect radiation reflected from the wall of the weatherometer. The core section showed a slower decrease under the same exposure conditions. Furthermore, the OIT depletion rate in the surface layer increased with radiation intensity. The study proved that the sunlight degradation of the tested polyethylene can be accelerated by increasing the irradiation intensity based on the reciprocity law.
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Details
- Title
- Predicting the depletion of antioxidants in high density polyethylene (HDPE) under sunlight using the reciprocity law
- Publication Details
- GEOTEXTILES AND GEOMEMBRANES, v 48(2)
- Publisher
- ELSEVIER SCI LTD; OXFORD
- Number of pages
- 0
- Grant note
- The funding of this study is provided by the Florida Department of Transportation through University of Northern Florida. Dr. Chase Knight is the project manager at the FDOT State Materials Office in Gainesville. In addition, Mr. Vahidi is partially supported by the Geosynthetic Institute (GSI). Authors would also like to thank Mr. Allen Zielnik from Atlas Material Testing Technology for providing the information regarding the solar in Atlas testing site in Miami, Florida.
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Drexel University
- Web of Science ID
- WOS:000513989100005
- Scopus ID
- 2-s2.0-85076454775
- Other Identifier
- 991021860674004721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Engineering, Geological
- Geosciences, Multidisciplinary