COLORED OXYGEN SCAVENGING COMPOSITIONS REQUIRING NO INDUCTION PERIOD

1 . A composition comprising:

a polyester base polymer that is substantially free of antimony and substantially free of phosphorous;

an oxidizable polyether-based additive;

a transition metal catalyst;

a colorant; and

a polyunsaturated fatty ester oil with the formula R—[OCOC x H y ], wherein,

R is an alkyl, a alkylene, a trivalent alkane group, or a glyceryl moiety;

n ranges from 1 to 3;

x ranges from 16 to 20; and

y ranges from 27 to 35.

2 . The composition of claim 1 , wherein the polyester base polymer contains less than 100 ppm each of antimony and phosphorous.

3 . The composition of claim 1 , wherein the polyester base polymer contains less than 10 ppm each of antimony and phosphorous.

4 . The composition of claim 1 , wherein the polyester base polymer comprises polyethylene terephthalate.

5 . The composition of claim 1 , wherein the oxidizable polyether-based additive has the formula X—[R—O] n —R′—Y, wherein

R is a substituted or unsubstituted alkylene chain having from 2 to 10 carbon atoms;

n ranges from 4 to 100;

X and Y are selected from the group consisting of H, OH, —OCOR 1 , —OCOAr 1 , —OR 1 , and —OAr 1 , wherein R 1 is an alkyl group having from 2 to 18 carbon atoms and Ar 1 is an aryl group; and

R′ may be the same as R or selected from the group consisting of

—[COR 2 COOR 3 O] p — and —[COAr 2 COOR 3 O] p — wherein Ar 2 is a phenylene or naphthylene group, R 2 and R 3 are C 2 to C 18 alkylene groups, and p ranges from 10 to 100.

6 . The composition of claim 1 , wherein the oxidizable polyether-based additive is selected from the group consisting of polyether diols, ester capped derivatives of polyether diols, polyether-polyester block copolymers, and ether end-capped ether end-capped derivatives of polyether diols.

7 . The composition of claim 6 , wherein the oxidizable polyether-based additive comprises polytetramethylene ether glyol, PTMEG-b-PET copolymer, or polytetramethylene ether glycol dimethyl ether.

8 . The composition of claim 1 , wherein the transition metal catalyst comprises cobalt, a carboxylate salt, or cobalt neodecanoate.

9 . The composition of claim 1 , wherein the polyunsaturated fatty ester oil additive is selected from the group consisting of corn oil, cottonseed oil, flaxseed/linseed oil, grapeseed oil, hemp oil, pumpkin seed oil, safflower oil, soybean oil, sunflower oil, and walnut oil.

10 . The composition of claim 1 , wherein R is a glyceryl moiety; n=3; x=18 and y=33-35.

11 . A wall for a package comprising one layer, the one layer comprising a composition, the composition comprising:

a polyester base polymer that is substantially free of antimony and substantially free of phosphorous;

an oxidizable polyether-based additive;

a transition metal catalyst;

a colorant; and

a polyunsaturated fatty ester oil additive with the formula R—[OCOC x H y ] n wherein,

R is an alkyl, a alkylene, a trivalent alkane group, or a glyceryl moiety;

n ranges from 1 to 3;

x ranges from 16 to 20; and

y ranges from 27 to 35.

12 . The wall of claim 11 , wherein the polyester base polymer contains less than 10 ppm each of antimony and phosphorous.

13 . The wall of claim 11 , wherein the polyester base polymer comprises polyethylene terephthalate.

14 . The wall of claim 11 , wherein the oxidizable polyether-based additive has the formula X—[R—O] n —R′—Y, wherein

R is a substituted or unsubstituted alkylene chain having from 2 to 10 carbon atoms;

n ranges from 4 to 100;

X and Y are selected from the group consisting of H, OH, —OCOR 1 , —OCOAr 1 , —OR 1 , and —OAr 1 , wherein R 1 is an alkyl group having from 2 to 18 carbon atoms and Ar 1 is an aryl group; and

R′ may be the same as R or selected from the group consisting of

—[COR 2 COOR 3 O] p — and —[COAr 2 COOR 3 O] p — wherein Ar 2 is a phenylene or naphthylene group, R 2 and R 3 are C 2 to C 18 alkylene groups, and p ranges from 10 to 100.

15 . The wall of claim 11 , wherein the oxidizable polyether-based additive is selected from the group consisting of polyether diols, ester capped derivatives of polyether diols, polyether-polyester block copolymers, and ether end-capped ether end-capped derivatives of polyether diols.

16 . The wall of claim 15 , wherein the oxidizable polyether-based additive is selected from the group consisting of polyether diols, ester capped derivatives of polyether diols, polyether-polyester block copolymers, and ether end-capped ether end-capped derivatives of polyether diols.

17 . The wall of claim 11 , wherein the oxidizable polyether-based additive comprises polytetramethylene ether glyol, PTMEG-b-PET copolymer, or polytetramethylene ether glycol dimethyl ether.

18 . The wall of claim 11 , wherein the transition metal catalyst comprises cobalt, a carboxylate salt, or cobalt neodecanoate.

19 . The wall of claim 11 , wherein the polyunsaturated fatty ester oil additive is selected from the group consisting of corn oil, cottonseed oil, flaxseed/linseed oil, grapeseed oil, hemp oil, pumpkin seed oil, safflower oil, soybean oil, sunflower oil, and walnut oil.

20 . The wall of claim 11 , wherein R is a glyceryl moiety; n=3; x=18 and y=33-35.