transformation products of tire rubber antioxidant 6ppd for sale
- Classification:Chemical Auxiliary Agent
- Purity:96.0% MIN
- Type:Rubber antioxidant
- Appearance:Grey purple to purple brown
- Origin:China
- Application:Tire/Rubber industries
- Production Capacity:3000 Ton/Year
- Package:25kg/drum
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.
6ppd reactions with ozone generate numerous ubiquitous and potentially bioactive transformation products that can be detected in tire rubber particles and roadway environments.
Best Price Rubber Antioxidant 6PPD CAS No.: 793-24-8
Rubber antioxidant 6PPD, or N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine, is a widely used chemical compound in the rubber industry, particularly known for its effectiveness in preventing oxidative degradation of rubber products.
rubber antioxidant 6PPD price antioxidant 4020,here, we analyzed tire wear particles (twps), recycled rubber doormats, and turf-field crumb rubbers for seven ppd antioxidants, five ppd-quinones (ppdqs), and five other 6ppd tps using liquid chromatography-tandem mass spectrometry.
rubber antioxidants and chemical 6ppd
recently, it was reported that the rubber antioxidant n-(1,3-dimethylbutyl)N'-phenyl-p-phenylenediamine (6ppd or antioxidant 4020), a typical tire rubber antioxidant, could enter the surrounding environment together with tire-wear particles (twps).
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.
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.
unveiling the environmental impact of tire wear particles,a prominent example of an antioxidant used in rubber is n-(1,3-dimethylbutyl)−1,4-phenylenediamine (6ppd), which readily transforms into a quinone called 6ppd-q (fig. 5 c) [56]. 6-ppd's high reactivity with ozone contributes to its transformation into 6-ppdq, a more stable compound [86].
6ppd in tire manufacturing ustma
safety is at the core of everything tire manufacturers do and the complex blend of rubber compounds and materials in our products is designed to withstand a wide range of demanding conditions. 6ppd serves an essential safety function in tires as an antioxidant and antiozonant, protecting the components of the tire from attack by ozone, oxygen
environmental profiles, hazard identification for sale,n-(1,3-dimethylbutyl)-n'-phenyl-p-phenylenediamine (6ppd) is commonly used in rubber compounds as antioxidants to protect against degradation from heat, oxygen, and ozone exposure. this practice extends the lifespan of rubber products, including tires, by preventing cracking, aging, and deterioration.
- Are p phenylenediamine (PPD) antioxidants in recycled tire rubber products toxic?
- 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.
- 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 are P-phenylenediamines added to tire rubber?
- Rubber-derived tire chemicals (RDCs) are an important source of environmental pollutants in urban cities owing to the increasing demand and global production of private cars. p-phenylenediamines (PPDs), a class of antioxidants, are added to tire rubber to prevent cracking and thermal oxidative degradation and to extend service life .
- 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.
