Photodegradation of poly-5-bromoacenaphthylene |
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| Institution: | 1. Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China;2. Department of Ecology and Environment, Yuzhang Normal University, Nanchang, 330103, PR China;1. Shenyang National Laboratory for Materials Science (SYNL), Institute of Metal Research, Chinese Academy of Sciences, Wenhua Road 72, 110016 Shenyang, China;2. Electrochemistry and Materials Science Research Laboratory, Department of Chemistry, Federal University of Technology Owerri, PMB 1526 Owerri, Nigeria;3. School of Materials Science and Engineering, Lanzhou University of Technology, Langongping Road 287, 730050 Lanzhou, China |
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| Abstract: | Bromoacenaphthylenes were synthesized and polymerized by ionic and free-radical initiation. 5-Bromoacenaphthylene was found to yield high molecular weight polymers (104 < M < 106). Kinetic studies on the photodegradation of poly-5-bromoacenaphthylene in solution were carried out at various temperatures in tetrahydrofuran and dioxane as solvent. The polymers were found to undergo random chain scission. The photodegradation is solvent- and temperature-dependent and leads to a lower limiting value. As for polyacenaphthylene, some weak links were detected in the polymers. |
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