Best Price Rubber Antioxidant 6PPD CAS No.: 793-24-8
- Classification:Chemical Auxiliary Agent
- Purity:96%
- Type:Rubber additive antioxidant
- Appearance:Light brown or white powder or granule
- Melting point:72-94°C
- Application:Suitable for all kinds of tires and rubber
- Production Capacity:20000 Metric Ton/Metric Tons per Year
- Package:25 kgs per bag
first grade quality 6ppd rubber antioxidant,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.
n-(1,3-Dimethylbutyl)-n-phenyl-p-phenylenediamine (6ppd) is a ubiquitous rubber antioxidant and antiozonant that can extend the service life of common rubber products and can be used as a thermal oxidation stabilizer for polyethylene, polypropylene and acrylic resins.
transformation products of tire rubber antioxidant 6ppd for sale
6ppd reactions with ozone generate numerous ubiquitous and potentially bioactive transformation products that can be detected in tire rubber particles and roadway environments.
rubber antioxidants and chemical 6ppd,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 .
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.
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.
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.
amine-functionalized lignin as an eco-friendly antioxidant,herein, as an alternative material of 6ppd, we newly introduce eco-friendly amine-functionalized lignin (al) to be incorporated in rubber, which can provide excellent combinatorial antiaging properties of thermal stability and ozone/fatigue resistances through radical scavenging effect.
recent progress in the rubber antioxidants Rubber Auxiliary Agent
in this review, we systematically review the recent progress of antioxidants for rubber. we first give a brief introduction of the oxidation process and oxidation mechanism for rubbers. then, we present the strategies to improve the anti-oxidative efficiency of rubber 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.
- 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.
- 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).
- Which industrial rubber additives have higher chemical concentrations?
- Furthermore, we quantified 15 other industrial rubber additives (including bonding agents, vulcanization accelerators, benzotriazole and benzothiazole derivatives, and diphenylamine antioxidants), observing that PPD-derived chemical concentrations were 0.5–6 times higher than these often-studied additives.
- What are the future trends of rubber antioxidants?
- The perspectives on the future trends of rubber antioxidants have been presented. Elastomers, especially diene-rubbers containing unsaturated double carbon bonds in the main chains, are vulnerable to thermal/oxygen aging, which would make the elastomers less elastic and result in earlier failure of the elastomer products.
