Environment InternationalN,N′-Substituted p-phenylenediamines (PPDs) are widely used as antioxidants in the rubber industry and are released into the environment in large quantities during the production and use of rubber products. We quantified PPDs and PPD quinone derivatives (
Tianao Mao +6 more
doaj +2 more sources
Occurrence and Fate of Substituted p-Phenylenediamine-Derived Quinones in Hong Kong Wastewater Treatment Plants. [PDF]
Environ Sci Technol, 2023 para-Phenylenediamine quinones (PPD-Qs) are a newly discovered class of transformation products derived from para-phenylenediamine (PPD) antioxidants. These compounds are prevalent in runoff, roadside soil, and particulate matter.
Cao G +8 more
europepmc +2 more sources
Beyond Substituted p-Phenylenediamine Antioxidants: Prevalence of Their Quinone Derivatives in PM2.5. [PDF]
Environ Sci Technol, 2022 Substituted para-phenylenediamine (PPD) antioxidants have been extensively used to retard oxidative degradation of tire rubber and were found to pervade multiple environmental compartments.
Wang W +9 more
europepmc +2 more sources
Corrosion mitigation for steel in acid environment using novel p-phenylenediamine and benzidine coumarin derivatives: synthesis, electrochemical, computational and SRB biological resistivity. [PDF]
RSC Adv, 2022 Three novel p-phenylenediamine and benzidine coumarin derivatives were synthetized, namely: 4,4′-((((1,4-phenylenebis(azaneylylidene))bis(ethan-1-yl-1-ylidene))bis(2-oxo-2H-chromene-3,6-diyl))bis(diazene-2,1-diyl))dibenzenesulfonic acid (PhODB), 4,4′-(((-
Elaryian HM +4 more
europepmc +2 more sources
Ecotoxicology and Environmental Safety, 2022 N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD) is used as a ubiquitous rubber antioxidant worldwide and has been shown to be potentially toxic to aquatic organisms.
Weijuan Peng +4 more
semanticscholar +1 more source
A new approach to obtain Kevlar-49 from PET waste bottles [PDF]
, 2013 Non-biodegradable polyethylene terephthalate (PET) bottles have attracted increasing attention due to environmental concern in today’s world. In order to reduce the amount of solid wastes generated and the dependency on fossil resources, a new approach ...
Mohammed, Issam Ahmed
core +1 more source
Amperometric enzyme sensor to check the total antioxidant capacity of several mixed berries. comparison with two other spectrophotometric and fluorimetric methods [PDF]
, 2015 The aim of this research was to test the correctness of response of a superoxide dismutase amperometric biosensor used for the purpose of measuring and ranking the total antioxidant capacity of several systematically analysed mixed berries.
CAMPANELLA, Luigi +4 more
core +2 more sources
Study on graphene oxide modified by oligomers of p-phenylenediamine for supercapacitors
矿业科学学报, 2019 In order to obtain high specific capacitance of the electrode used for supercapacitors based on new carbon materials,graphene oxide(GO),from graphite oxidized by chemicals,was modified by oligomers of p-phenylenediamine in an autoclave.The changes of ...
Zhang Qingqing +5 more
doaj +1 more source
RSC Advances, 2021 This research work reports on the anti-corrosion and anti-fouling properties of epoxy (E) coatings reinforced with polyaniline (PANI)/p-phenylenediamine-functionalised graphene oxide (PGO) composites.
S. Fazli-Shokouhi +2 more
semanticscholar +1 more source
Sulfonation of poly(p-phenylenediamine) polymer
Cogent Engineering, 2017 The sulfonation of poly(p-phenylenediamine) (P(pPD)) polymer was accomplished by oxidative copolymerization of p-phenylenediamine (pPD) with 2,5-diaminobenzenesulfonic acid (DABSA) and 2-aminobenzenesulfonic acid (2ABSA) monomers with 50/50 mol% ratios ...
Ismael Amer
doaj +1 more source