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May be used as a retarder in the vulcanisation of polychloroprene rubber with ETU and also be used as bactericide and pesticide. Packaging: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to
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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.
- Why are antioxidants used in rubber production?
- Antioxidants are prevalently used during rubber production to improve rubber performance, delay aging, and extend service life.
- Are rubber antioxidants harmful to the environment?
- 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 antioxidants and their TPs.
- 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 amine antioxidants in rubber?
- Amine antioxidant is the most common rubber antioxidant, which was produced as early as the 1970s and widely used in the rubber industry. Typical amine antioxidants include diaryl-secondary amine, acetone-amine condensation product, p -phenylenediamine, and aldehyde-amine condensation product antioxidants .
- Which antioxidants 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 ]. By contrast, phenolic antioxidants have less effect on rubber color, and thus are widely used in light-colored rubber products . 2.3. Heterocyclic Antioxidants ].
