Rubber Antioxidant Mbz CAS. No: 3030-80-6 price
- Classification:Chemical auxiliary agent
- Purity:0.9999
- Shape:Powder
- Application:Rubber Auxiliary Agents, Surfactants
- Appearance:Light yellow or pale yellow powder
- Packing:25kg/bags or as per customers' requirement
- Specification:25kg/bag
- Storage:Store in a cool, dry place
antioxidants are prevalently used during rubber production to improve rubber performance, delay aging, and extend service life. however, recent studies have revealed that their transformation products (tps) could adversely affect environmental organisms and even lead to environmental events, which led to great public concern about environmental occurrence and potential impacts of rubber.
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rubber antioxidants and their transformation products
2. production and use of typical rubber antioxidants. rubber antioxidants are defined as substances that could delay the aging of polymer compounds and prolong the service life of rubber products by inhibiting oxidation, heat, or light radiation . to date, the annual global consumption of rubber antioxidants is over 700,000 tons, accounting for.
rubber antioxidant antide gradant mmb - go biotech,rubber antioxidant antide gradant mmb（mmbi） chemical name: 2-mercapto-4(or 5)-methyl benzimidazole. molecular formula: c 8 h 8 n 2 s. molecular structure: molecular weight: 164.22. cas no.: 53988-10-6. specifications:
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product name: rubber antioxidant mmb: chemical name: 2-mercaptomethylbenzimidazole: structural formula: molecular formula: c 8 h 8 n 2 s. molecular weight: 164.22: properties
best quality mmbi nbr and epdm antioxidant price,4-and5-methyl-2-mercaptobenzimidazole. cas# 53988-10-6. mmbi is non-discoloring, non-staining antioxidant for all rubbers. it is particularly effective in nbr and epdm. it provides very good heat-aging and flex protection when used in combination with tmq.
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- Which rubber antioxidants are used in China?
- 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.
- What are the TPS of rubber antioxidants?
- The TPs of rubber antioxidants have been observed in some studies under environmental conditions. 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 .
- What are the different types of antioxidants in rubber?
- Chemical antioxidants are generally classified as amine, phenolic, heterocyclic, phosphite, and nickel salts (nickel dibutyl dithiocarbamate (NBC)) antioxidants according to their chemical structure (Figure 1). During the rubber production, various antioxidants are often used as a mixture to improve performance and ensure an antiaging effect.
- What is the global consumption of rubber antioxidants?
- To date, the annual global consumption of rubber antioxidants is over 700,000 tons, accounting for about 40% of the total amount of rubber additives. This is about twice higher than that of phosphorus flame retardants, a group of emerging pollutants which received great attention in the past decades .
- Are rubber antioxidants toxic?
- (2) The toxic effects of rubber antioxidants and their TPs may be evaluated via computational toxicology combined with traditional toxicological methods, including studies of short-term and sub-lethal exposure effects, the potential for mortality, mechanism of effect, and interaction with environmental variables.
- Does antioxidant 2246 protect rubber from aging?
- Among them, antioxidant 2246 has a good performance to protect rubber from aging caused by heat, oxygen, and metals. Because hydrogen in phenolic antioxidants can combine with the oxygen in air, their antiaging efficiency is therefore lowered compared with amine antioxidants [21, 22].
