Antioxidants. - Free Online Library
Polyphenols for plastics and rubber.
Antioxidants include hindered phenols, mercapto-benzimidazoles, dihydroquinoline, butylated paraeresol, amines, and unsaturated acetals.
Ethanox 702 sterically hindered diphenolic reportedly provides excellent temperature stability. It melts at 309 F and is FDA-approved for food-contact use in several substrates.
Ethanox 330 high-performance premium phenolic is noncoloring, extraction resistant, and FDA approved. It melts at 471 F and is biologically inert. Ethanox 398 is a nonhygroscopic, hydrolytically stable fluorophosphonite secondary antioxidant.