transformation products of tire rubber antioxidant 6ppd for sale
- Classification:Chemical Auxiliary Agent
- Purity:95%
- Type:Rubber chemicals
- Appearance:Grayish purple to purple brown granular
- Shelf life:2 Years
- Application:Plastic Auxiliary Agents
- Production Capacity:1000 Metric Tons per Month
- Package:20kg kraft bags,500kgs/pallet
environmental impact of tire wear: the 6ppd-q Rubber Antioxidant,trc actively participates on the interstate technology and regulatory (itrc) tire anti-degradants (6ppd) team to track the toxicity and fate transport risks posed by 6ppd-q. we are prepared to assist you with your 6ppd and 6ppd-q related questions.
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.
q a: stage 1 alternatives analysis for 6ppd in tires
6ppd has been widely studied and used in tires as a highly effective antidegradant since the 1960’s. the recent concern regarding 6ppd in tires relates to a newly identified transformation product, 6ppd, and its potential impacts to certain salmonids.
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.
6ppd in tire manufacturing ustma
6ppd-quinone, or 6ppd, is a recently discovered transformation product of 6ppd that may form when 6ppd reacts with oxygen or ozone under certain conditions. 6ppd is not used in u.s. tire manufacturing.
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.
greener solutions 2021: alternatives for 6ppd in tire
in early 2021, 6ppd-quinone, which is a transformation product of 6ppd, was discovered as the likely cause of pre-spawn mortality in coho salmon in the pacific northwest. 6ppd is a critical tire rubber additive with high-performing antidegradant properties. the team proposed four strategies: the use of food preservatives, such as gallates
environmental fate of tire-rubber related pollutants 6ppd,there is a linkage between 6ppd-q in soil and tire rubber wear particles (trwps), indicating its origin from sources associated with vehicular activities (klockner et al., 2019). approximately 50% of trwps can infiltrate the soil, releasing bound chemicals like 6ppd (klockner et al., 2019).
time-concentration profiles of tire particle additives
dosing 6ppd-quinone in the outermost layer of a tire treadband or trwp collection from a road simulator laboratory free from any other polluting rubber sources would help to fill this knowledge gap. this study also highlights that additives and transformation products should be used as markers only for fresh trwp (<3 months old).
environmental occurrence and toxicity of 6ppd quinone, an,(6ppd) is a chemical added to tires to protect them from oxidative degradation. with good dispensability in sizing material and little effect on vulcanization, It can soften sizing material, so can be used for tires and other kinds of rubber products.
- 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.
- What causes 6ppd-q in soil and tire rubber wear particles (TRWPS)?
- There is a linkage between 6PPD-Q in soil and tire rubber wear particles (TRWPs), indicating its origin from sources associated with vehicular activities (Klockner et al., 2019). Approximately 50% of TRWPs can infiltrate the soil, releasing bound chemicals like 6PPD (Klockner et al., 2019).
- What are the effects of 6PPD & 6ppd-q in air and dust?
- Evaluating different Impacts of 6PPD and 6PPD-Q in air and dust. The presence of 6PPD and 6PPD-Q contributes to inhalation hazards by releasing particulate matter and volatile organic compounds into the air. Inhalation of these pollutants poses risks to respiratory health and may lead to various respiratory issues upon exposure.
