Best Price Rubber Antioxidant 6PPD CAS No.: 793-24-8
- Classification:Chemical Auxiliary Agent
- Purity:97%
- Type:Rubber antioxidant
- Appearance:Grey to Very Dark Grey Solid
- Origin:China
- Application:Tire/Rubber industries
- Storage:Cool Dry Place
- Package:25 kg/bag,1000 kg/bag,customized packaging
tire-rubber related pollutant 6-ppd quinone: a review of its,the antioxidant 6-ppd has been widely used to prevent cracking and thermal oxidative degradation and to extend the service life of tire rubber. 6-ppd quinone (6-ppdq) is formed via the reaction of 6-ppd with o 3. due to its acute lethality in coho salmon, 6-ppdq has become an emerging pollutant of increasing concern.
the tire antioxidant and antiozonant, 6ppd, is added to extend the polymer rubber lifetime. following environmental exposure, 6ppd transforms to its highly toxic quinone form n -...
transformation products of tire rubber antioxidant 6ppd for sale
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 Antiageing Antiage Antioxidant 4020/6PPD price,this study revealed that sunlight-induced transformation of 6ppd could be an important origin of 6ppd-q in aquatic environments, providing significant insights to the potentially underestimated ecological risks of 6ppd.
chemical characteristics, leaching, and stability of the
We report here the fate and transport-related chemical characterization of the recently discovered environmental toxicant 6ppd-quinone (2-((4-methylpentan-2-yl)amino)-5-(phenylamino)cyclohexa-2,5-diene-1,4-dione or "6ppd"). 6ppd is a transformation product of the tire rubber antioxidant 6ppd.
6ppd: its role in tire manufacturing and environmental impact,incorporating 6ppd into the rubber matrix imparts resilience, shielding rubber from oxidative damage that leads to cracking and brittleness. manufacturers use 6ppd for its protective properties and its ability to maintain tire flexibility and elasticity.
improvement of tire durability using rubber antioxidant 6ppd
discover how the application of rubber antioxidant 6ppd (4020) can significantly enhance tire durability, performance, and safety. learn about the benefits of using 6ppd, including extended tire life and improved resistance to high temperature and humidity conditions, making it an ideal choice for tire manufacturers aiming to improve product
a tire industry perspective on 6ppd replacement: the challenge,to act like 6ppd, a drop-in substitute must: function as antiozonant and antioxidant to help prevent the degradation and cracking of rubber compounds (unsaturated elastomers) by protecting against ozone attack, oxidation, and heat aging.
environmental impact of tire wear: the 6ppd-q Rubber Antioxidant
the compound 6ppd (short for 1,4-benzenediamine, n-(1,3-dimethylbutyl)- 21 n’-phenyl-; cas #793-24-8) is an antioxidant and antiozonant that prevents degradation of rubber compounds caused by their exposure to oxygen, ozone and temperature fluctuations. 6ppd is widely used in the tire manufacturing industry to help tires resist degradation
big discount rubber antioxidant 6ppd for tyre,by investigating this phenomenon, we identified a highly toxic quinone transformation product of n-(1,3-dimethylbutyl)-n'-phenyl-p-phenylenediamine (6ppd), a globally ubiquitous tire rubber antioxidant.
- What is the content of 6PPD in rubber?
- Typically, the content of 6-PPD in rubber materials ranges from 0.4% to 2% . During its production and use, 6-PPD can be transported to exposed surfaces and enter the environment. These antioxidants are highly reactive to ozone . 6-PPDQ is more stable than 6-PPD.
- Are there alternatives to 6PPD as a rubber antioxidant?
- Nevertheless, conclusive studies identifying superior alternatives to 6PPD as a rubber antioxidant remain scarce in the current literature. Urbanization has resulted in an increase in surface runoff, a phenomenon that plays a pivotal role in the transportation of chemicals originating from tire wear into aquatic environments.
- Why is 6PPD important?
- Globally the increasing demand for rubber tires leads to the extensive consumption of 6PPD up to millions of tons resulting in significant release of this compound from tire rubber to the environment (Rossomme et al., 2023).
- Does acetone remove 6PPD?
- A scaled-up, continuous-flow microwave-powered extraction set-up can rapidly remove 6PPD and other additives from waste tires under acetone flow. Importantly, 6PPD was absent in the solvent-extracted crumb rubber and pyrolysis of the decontaminated crumb rubber indicates no 6PPD in the oil product.
