Thermoplastic Polymers Comprising Oxygen Scavenging Molecules
AssigneePlastipak Packaging, Inc.
InventorGirish N. Deshpande
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Abstract
The disclosure relates to oxygen scavenging polymer 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.
Claims2
A method of making an oxygen scavenging polymer comprising the step of providing a monomer comprising a moiety having the structure:
- 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, CR1, and CR2;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- and wherein each R1 and each R2 is independently selected from the group consisting of carboxylic acid, amine, nitro, cyano, hydroxyl, H, alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal;
- wherein the symbol - - - when used in conjunction with a bond line represents a single or a double bond;
- wherein each n is independently 1-5;
- wherein m is an integer from 0 to 5-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, CR1, and CR2;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- wherein each R1 and each R2 is independently selected from the group consisting of carboxylic acid, amine, nitro, cyano, hydroxyl, H, alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal;
- and wherein L is a divalent linking group selected from C2-C 12 aliphatic or cyclic ether, C2-C12 aliphatic or cyclic amide, C6 to C12 aromatic amide, C2-C12 aliphatic or cyclic amine, C6-C12 aromatic amine, C2-C12 aliphatic or cyclic ester and C6 to C12 aromatic ester;
- wherein the symbol - - - when used in conjunction with a bond line represents a single or a double bond;
- wherein each n is independently 0-5;
- wherein m is an integer from 0 to 5-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, CR1, and CR2;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- wherein each R1 and each R2 is independently selected from the group consisting of carboxylic acid, amine, nitro, cyano, hydroxyl, H, alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal;
- and wherein L is a divalent linking group selected from C2-C 12 aliphatic or cyclic ether, C2-C12 aliphatic or cyclic amide, C6 to C12 aromatic amide, C2-C12 aliphatic or cyclic amine, C6-C12 aromatic amine, C2-C12 aliphatic or cyclic ester and C6 to C12 aromatic ester;
- or
- wherein each X is 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 and CR1;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- wherein the symbol - - - when used in conjunction with a bond line represents a single or a double bond;
- and wherein each R1 is independently selected from the group consisting of H, alkyl, aryl, electron withdrawing groups, and electron releasing groups.
- during polymerization of polyethylene terephthalate.
A method of making an oxygen scavenging polymer comprising the step of functionalizing polyethylene terephthalate with a moiety having the structure:
- 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, CR1, and CR2;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- and wherein each R1 and each R2 is independently selected from the group consisting of carboxylic acid, amine, nitro, cyano, hydroxyl, H, alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal;
- wherein the symbol - - - when used in conjunction with a bond line represents a single or a double bond;
- wherein each n is independently 1-5;
- wherein m is an integer from 0 to 5-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, CR1, and CR2;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- wherein each R1 and each R2 is independently selected from the group consisting of carboxylic acid, amine, nitro, cyano, hydroxyl, H, alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal;
- and wherein L is a divalent linking group selected from C2-C 12 aliphatic or cyclic ether, C2-C12 aliphatic or cyclic amide, C6 to C12 aromatic amide, C2-C12 aliphatic or cyclic amine, C6-C12 aromatic amine, C2-C12 aliphatic or cyclic ester and C6 to C12 aromatic ester;
- wherein the symbol - - - when used in conjunction with a bond line represents a single or a double bond;
- wherein each n is independently 0-5;
- wherein m is an integer from 0 to 5-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, CR1, and CR2;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- wherein each R1 and each R2 is independently selected from the group consisting of carboxylic acid, amine, nitro, cyano, hydroxyl, H, alkyl, aryl, electron withdrawing groups, electron releasing groups, and a transition metal;
- and wherein L is a divalent linking group selected from C2-C 12 aliphatic or cyclic ether, C2-C12 aliphatic or cyclic amide, C6 to C12 aromatic amide, C2-C12 aliphatic or cyclic amine, C6-C12 aromatic amine, C2-C12 aliphatic or cyclic ester and C6 to C12 aromatic ester;
- or
- wherein each X is 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 and CR1;
- wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S;
- wherein the symbol - - - when used in conjunction with a bond line represents a single or a double bond;
- and wherein each R1 is independently selected from the group consisting of H, alkyl, aryl, electron withdrawing groups, and electron releasing groups.
Dependencies are inferred from the claim text.