Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"6PPD"”.
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Multi-scale analysis of 6PPD-quinone: distribution, environmental risk, and urbanization influence in the Delaware River Basin
… class of urban contaminants. Among these, 6PPD-quinone (6PPDQ) an oxidative transformation product of the anti-degradant i.e., N-(1,3-dimethylbutyl)-N′-phenyl-p-phenylenediamine (6PPD), have emerged as contaminant of critical concern due to their acute toxicity to aquatic species, …
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Analysis of rubber vulcanisates
… of the migration of TMQ (a quinoline type) and 6PPD (a paraphenylenediamine type) antidegradants from a tyre sidewall compound into adjacent casing and liner compounds containing no antidegradant. Migration takes place at a rapid rate, even during the vulcanisation of the composite. After 4000 …
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Assessment of road pollutants in roadside retention ponds.
… respectively) in both matrices. Additionally, 6PPD-quinone (N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine quinone) was present in 94 % of sediment samples. The presence of pollutants at potentially harmful levels highlights the need to future work to establish mitigation strategies to …
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Mechanisms of antifatigue agents used in natural rubber
… commercial aromatic amine antioxidants, IPPD and 6PPD). The compounds which were shown to have higher reactivity with alkyl radicals (via calculated reactivity indices) showed better fatigue resistance. This fact supports the suggestion that strong alkyl radical scavengers should be also effective …