rubber chemicals rubber antioxidant 6ppd import
- Classification:Chemical Auxiliary Agent
- Purity:99%
- Type:Antioxidant
- Appearance:Dark gray to black solid
- Boiling point:260°C
- Application:For ethylene propylene, etc.
- Production Capacity:5000 Ton/Tons per Year
- Package:Package in 25kgs bag
first grade quality 6ppd rubber antioxidant,recently, roadway releases of N-(1,3-dimethyl-buty)-N'-phenyl-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 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
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 -...
rubber antioxidants and chemical 6ppd,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.
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.
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.
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.
rubber antioxidants and their transformation products,as one of the widespread rubber antioxidants, amine antioxidants (ppds: tmppd, dppd, 6ppd, and 6ppdtz) could react with o 3 (in parts per billion volume levels) in the environment and produce ppd-quinone .
from tread to watershed: how tire wear particle chemicals
the environmental ubiquity of tire and road wear particles (trwp) underscores the need to understand the occurrence, persistence, and environmental effects of tire-related chemicals in aquatic ecosystems. one such chemical is 6ppd-quinone (6ppd-q), a transformation product of the tire antioxidant 6ppd.
chemical 6ppd antioxidant chemical induces acute,the compound, called 6ppd-quinone, is an oxidation product of an additive intended to prevent damage to tire rubber from ozone. measurements from road runoff and immediate receiving waters show concentrations of 6ppd-quinone high enough to account for the acute toxicity events.
