ABSTRACT
On the other hand, active-stabilizing species, such as hindered phenols, can be released by hydrolysis of phosphites. It has been suggested that these phenols are the species responsible for the antioxidant activity of phosphites at higher temperatures. They can form synergistic mixtures with the parent phosphites or phosphorus-containing hydrolysis products (42-47). Therefore, it was emphasized that a high hydrolytic stability may not always lead to maximum performance. Release of antioxidatively acting secondary compounds from the phosphites by hydrolysis in combination with the other stabilizing mechanisms can contribute to better overall performance (48).
