high demand rubber auxiliary agent 6ppd for sale
- Classification:Chemical Auxiliary Agent
- Purity:95.9%
- Type:Rubber additive antioxidant
- Appearance:Purple brown to dark brown granules or flakes
- Feature:Chemical Resistance
- Application:Natural Rubber, Synthetic Rubber Common Use
- Storage:Dry and Cooling Place
- Package:1000kgs/ pallet with film
environmental occurrence and toxicity of 6ppd quinone, an,this review highlights the importance of including transformation products in regulations for 6ppd, as well as all emerging synthetic chemicals of concern. keywords: 6ppd
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.
environmental fate of tire-rubber related pollutants 6ppd
To improve tire durability, the antioxidant n-(1,3-dimethylbutyl)-n-phenyl-p-phenylenediamine (6PPD) is used in rubber, but when exposed to oxidants such as ozone (O3), it is converted into toxic 6PPD quinone (6PPD-Q), causing ecological problems.
environmental profiles, hazard identification for sale,the transformation of 6ppd to 6ppd-q is facilitated by sunlight exposure and high temperatures, as indicated by the substantially higher ratio of 6ppd-q to 6ppd in vehicle dust (median: 3.5) compared to road dust (median: 0.5) and parking lot dust (median: 0.6).
new evidence of rubber-derived quinones in water, air for sale
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.
tire-rubber related pollutant 6-ppd quinone: a review of its,exposure to 6-ppdq at environmentally relevant concentrations could induce several types of toxicity, including neurotoxicity, intestinal toxicity, and reproductive toxicity. this review also identifies and discusses knowledge gaps and research needs for the study of 6-ppdq.
6ppd rubber antioxidant: characteristics, applications
6ppd (n-(1,3-dimethylbutyl)-n'-phenyl-p-phenylenediamine) is a highly effective rubber antioxidant with notable characteristics, including excellent heat resistance, anti-flex cracking properties, and compatibility with various rubber types.
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.
high-efficiency antioxidant solutions for rubber products
this article discusses the common problems of rubber products under high dynamic working conditions, and how to provide effective solutions for the industry by using the antioxidant 6ppd to provide strong antioxidant protection, enhance the durability and high temperature stability of rubber.
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.
- 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.
- Can abiotic processes reprogramme the toxicity of 6ppd-q?
- Additionally, it was observed that during UV treatment, hydroxyl groups were detected in the transformation products of 6PPD-Q (Wang et al., 2024), indicating that abiotic processes can induce hydroxylation, potentially reprogramming its toxicity.
- What is the concentration of 6ppd-q in roadway runoff?
- The concentration of 6PPD-Q in roadway runoff is 19 μg/L, which is higher than the lethal concentration for 50% of coho salmon (LC50) at 0.95 μg/L (Tian et al., 2022).
- What is the concentration of 6ppd-q in urban rivers?
- For instance, urban rivers in the Pearl River Delta (PRD) exhibited the presence of 6PPD-Q across all 32 collected sediment samples, with concentrations ranging from 1.87 to 18.2 ng/g (Zeng et al., 2023).
