There are many types of antioxidants, each with one effect. According to the main function of antioxidants, they can be divided into anti-thermal oxygen aging antioxidants, anti-ozone aging antioxidants, harmful metal ion effect inhibitors, anti-fatigue antioxidants, anti-ultraviolet radiation antioxidants, etc., but the role of each antioxidant is often not Exclusive to a certain anti-aging agent. Most antioxidants have the above effects to some extent, but to varying degrees. Therefore, it can only be classified according to its main function. For example, according to the chemical structure of antioxidants, it can be divided into the following categories:
amine
The protective effect of amine antioxidants is the most prominent, and it is also the one with the earliest discovery and the most varieties. Its main function is to resist thermal oxidation aging, anti-ozone aging, and it also has a significant effect on the protection of copper ions, light and flexural aging. This is unmatched by phenolic antioxidants, heterocyclic antioxidants and other types of antioxidants. It's just that this type of antioxidant has a large pollution performance and is not suitable for white and light-colored products. Among them, ketoamine antioxidants have the best antioxidant effect.