Thermoplastic polymers comprising oxygen scavenging molecules

Patent metadata

Field	Value
Publication number	US-10138327-B2
Application number	US-201414585413-A
Country	US
Kind code	B2
Filing date	Dec 30, 2014
Priority date	Nov 13, 2009
Publication date	Nov 27, 2018
Grant date	Nov 27, 2018

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.

First claim

What is claimed is:

1. A wall of a package comprising at least one layer, said layer comprising a composition, said composition comprising:
(a) a thermoplastic polymer comprising an allylic or benzylic amide compound covalently bonded as a repeating unit in the polymer chain, covalently bonded thereto as a side-chain pendant group, or covalently bonded thereto as an end group of the polymer, 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, CR 1 , and CR 2 ; wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S; wherein each R 1 and each R 2 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-C12 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, CR 1 , and CR 2 ; wherein D, E, and F are independently selected from the group consisting of CH, N, O, and S; wherein each R 1 and each R 2 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-C12 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 CR 1 ; 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 R 1 is independently selected from the group consisting of H, alkyl, aryl, electron withdrawing groups, and electron releasing groups; and
(b) a transition metal in a positive oxidation state, the metal present in an amount of from about 10 ppm to about 400 ppm.

2. The wall of claim 1 , wherein the amide compound is present in the composition in an amount of from 0.1 to about 10 weight percent.

3. The wall of claim 1 , wherein the amide compound is present in the composition in an amount of from 1 to about 3 weight percent.

4. The wall of claim 1 , wherein the amide compound is:

Assignees

• Deshpande Girish N
• Plastipak Packaging Inc

Inventors

• Deshpande Girish N

Classifications

• C08G63/916

  Dicarboxylic acids and dihydroxy compounds · CPC title

• C08G73/12

  Unsaturated polyimide precursors · CPC title

• C08G63/91 Primary

  Polymers modified by chemical after-treatment · CPC title

• Y10T428/1352

  Polymer or resin containing [i.e., natural or synthetic] · CPC title

• C08K5/0041

  Optical brightening agents, organic pigments · CPC title