transformation products of tire rubber antioxidant 6ppd for sale
- Classification:Chemical Auxiliary Agent
- Purity:96%
- Type:Antioxidant
- Appearance:Gray Purple or Purple Brown
- Selling Units:Single item
- Application:used in rubber shoes and other rubber products
- Production Capacity:3000 Ton/Year
- Package:25kg/drum
first grade quality 6ppd rubber antioxidant,recently, roadway releases of n,n′-substituted p-phenylenediamine (ppd) antioxidants and their transformation products (tps) received significant attention due to the highly toxic 6ppd-quinone. however, the occurrence of ppds and tps in recycled tire rubber products remains uncharacterized.
6ppd, a tire rubber antioxidant, poses substantial ecological risks because it can form a highly toxic quinone transformation product (tp), 6ppd-quinone (6ppd), during exposure to gas-phase ozone. important data gaps exist regarding the structures, reaction mechanisms, and environmental occurrence of tps from 6ppd ozonation.
rubber anti-aging agent antioxidant 6PPD (4020) supplier
6ppd is an organic chemical widely used as stabilising additive (or antidegradant) in rubbers, such as nr, sbr and br; all of which are common in vehicle tires. although it is an effective antioxidant it is primarily used because of its excellent antiozonant performance.
6ppd rubber antioxidant new markers for sale,this study presents long-time scale data of ppds and n-(1,3-dimethylbutyl)-n′-phenyl- p-phenylenediamine quinone (6ppd-q) in pm2.5 and proposes the innovative use of ppds as new markers for vehicular emissions in the positive matrix factorization (pmf) source apportionment.
p-phenylenediamine antioxidants and their quinone derivatives
substituted p-phenylenediamines (ppds), a class of antioxidants, have been widely used to extend the lifespan of rubber products, such as tires and pipes. during use, ppds will generate their quinone derivatives (ppd-qs). in recent years, ppds and ppd-qs have been detected in the global environment. among them, n-(1,3-dimethylbutyl)-n'-phenyl
rubber antioxidants and their transformation products,amine antioxidants are the main rubber antioxidants produced and used in china, of which 6ppd and 2,2,4-trimethyl-1,2-dihydroquinoline (tmq, rd) have the highest production, accounting for more than 80% of the total amine antioxidants.
recent progress in the rubber antioxidants Rubber Auxiliary Agent
the authors claimed that the thermal aging resistance rubber compounds containing nr-g-ppdam were better than those containing low molecular weight antioxidant 6ppd.
transformation products of tire rubber antioxidant 6ppd for sale,abstract: 6ppd, a tire rubber antioxidant, poses substantial ecological risks because it can form a highly toxic quinone transformation product (tp), 6ppd-quinone (6ppd), during exposure to gas-phase ozone. important data gaps exist regarding the structures, reaction mechanisms, and environmental occurrence of tps from 6ppd ozonation.
from tread to watershed: how tire wear particle chemicals
the rubber-derived ozone transformation product 6ppd-quinone (6ppd) was discovered in 2020 as a causative agent for urban runoff mortality syndrome in coho salmon.
chemical industry antioxidant TMQ/RD for sale,to the best of our knowledge, this is the first systematic investigation of the occurrence of major ppd antioxidants and 6ppd-qunione in various dust matrices. our findings would attract attention to their environmental fate and ecological and human health risks.
