Journal
HETEROCYCLIC COMMUNICATIONS
Volume 21, Issue 2, Pages 77-81Publisher
DE GRUYTER POLAND SP Z O O
DOI: 10.1515/hc-2014-0198
Keywords
2-Hydroxyphenylbenzotriazole; cyanuric chloride; HALSs; hindered amine; light stabilizers; nitroxyl radical
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Funding
- Industrial Research Project of Shaanxi Science and Technology Department [2014K08-29]
- Scientific Research Foundation of Northwestern University
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A series of novel nitroxyl radical hindered-amine light stabilizer monomers were designed and synthesized from 2,2,6,6-tetramethylpiperidine-N-oxyl-4-ol, cyanuric chloride, allylamine, and 2-hydroxyphenylbenzotriazole derivatives. Structures of the new stabilizers were confirmed by H-1 NMR, C-13 NMR, FT-IR, ESI-HRMS, and element analysis. The synthesized compounds 5a-f were evaluated for their antioxidant and antiaging properties, and a significant stabilizing effect against photodegradation was found.
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