Oxygen scavengers, compositions comprising the scavengers, and articles made from the compositions
View Patent ↗The disclosure relates to oxygen scavenging molecules, compositions, methods of making the compositions, articles prepared from the compositions, and methods of making the articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
1. A compound having a structure of Formula I or Formula II:
wherein the symbol - - - when used in conjunction with a bond line represents a single or a double bond;
wherein n is 3, 4, 5, or 6;
wherein m is an integer from 0 to 6-n;
wherein each X is independently selected from the group consisting of O, S, and NH;
wherein each Y, each A, and each B are independently selected from the group consisting of N, CR 1 , and CR 2 ;
wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S; and
wherein each R 1 and each R 2 is independently selected from the group consisting of H, alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal; and
wherein when n is 3, each R 2 is independently selected from the group consisting of C2-C24 alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal.
2. The compound of claim 1 , having a structure:
3. The compound of claim 1 , having a structure: