metal deactivator

Metal ions catalyze the decomposition of hydroxy peroxides, forming reactive radicals shown below:
Metal deactivators form stable complexes with metal and its ion as shown below. As a result, the process deactivates the metal-catalyzed destructions.

Metal deactivators resemble each other with minor differences in the length of diamine linkers (blue region), which affect their compatibilities in polymers and their effectiveness as metal chelators.

Common metal deactivator antioxidants include linanox 1024, 697, etc.

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