Can a rubber antioxidant enter the environment with tire-wear particles (Twps)?

Recently, it was reported that the rubber antioxidant N – (1,3-dimethylbutyl)- N′ -phenyl- p -phenylenediamine (6PPD or antioxidant 4020), a typical tire rubber antioxidant, could enter the surrounding environment together with tire-wear particles (TWPs) [7, 8].

What are 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 about 40% of the total amount of rubber additives.

Do antioxidants and their TPS increase environmental risk awareness of rubber products?

To our knowledge, this is the first review on antioxidants and their TPs in the environment, which may elevate the environmental risk awareness of rubber products and their TPs in the near future.

Why are chemical antioxidants used in rubber aging?

By contrast, chemical antioxidants are usually used to address the reaction stage of rubber aging. According to the different fracture modes of the molecular chain of raw rubber materials, different chemical antioxidants are added to block the growth reaction chain during aging .

Who is Dalian Richon Chem?

DALIAN RICHON CHEM CO., LTD. Established in 1990, We are a professional manufacturer engaged in the research, development, production, sale and service of Rubber Accelerator, Antioxidant and other Rubber chemicals in int'l market. We have obtained ISO9001 certificates. Our products have been exported to 57 countries.

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 .