recent progress in the rubber antioxidants: a review
- Classification:Chemical vulcanizing accelerator
- Shape:Granules
- Purity:0.999
- Appearance:light yellow powder
- Application:Plastic Auxiliary Agents, Rubber Auxiliary Agents
- Grade Standard:industrial grade
- Packing:20kgs/filmed kraft bag,500kgs/wooden pallet
- Storage:Dry Place
recently, li et al. used two kinds of antioxidants, i.e., 4,4'-bis(α, α-dimethylbenzyl) diphenylamine (antioxidant 445, fig. 2 a) and 2-mercaptobenzimidazole zinc (antioxidant mbz, fig. 2 b), to improve the anti-aging performance of ethylene propylene diene rubber (epdm) by making full use of each antioxidant's advantage and character [9].
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rubber antioxidants and their transformation products mdpi
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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analysis of the differences between rubber antioxidant mbz
in the rubber industry, the selection of antioxidants is crucial to the performance and service life of materials. rubber antioxidant mbz has unique advantages over other antioxidants. 1. enhance antioxidant effect. mbz is particularly good at anti-oxidation. studies have shown that it can effectively extend the service life of rubber products
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rubber antioxidant mbz with best selling
chemical name: zinc salt of 2-mercapto benzimidazole molecular formula: c14h10n4s2zn molecular weight: 363.77 cas no: 3030-80-6 chemical structure:
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rubber antioxidants and their transformation products
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 about 40% of the total amount of rubber additives.
the key role and successful cases of rubber antioxidant mbz,rubber antioxidant mbz has become an ideal choice for anti-aging treatment in the rubber products industry due to its efficient thermal oxidation protection, stable zinc content and non-polluting properties.
(pdf) rubber antioxidants and their transformation products,china is one of the main countries producing rubber antioxidants, and the production accounts for more than 70% of the total amount globally. the production of rubber antioxidants in china ranged from 365,000 to 378,000 tons during 2016 2020, showing a constant annual trend [12].
- Is MBZ 445 a good antioxidant for EPDM?
- In the thermal-aging testing, the retention of elongation at break for the rubber sample with combined antioxidants (MBZ:445=2:1) is superior to that of other samples (Fig. 2 c), demonstrating the synergistic antioxidative effects between MBZ and 445 for EPDM.
- Do rubber antioxidants affect the environment?
- To date, there is no review to summarize the environmental occurrence and impact of rubber antioxidants and their TPs. In the present work, we first introduce the production and usage of antioxidants in the world, and then demonstrate the formation mechanism of some reported TPs in the environment.
- 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.
- 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.
