Composition of at least one vinylidene chloride polymer

1. A vinylidene chloride polymer composition, comprising:

(A) at least one vinylidene chloride polymer;

(B) from 1 to 50% by weight, relative to the total weight of the composition, of at least one ε-caprolactone polymer; and

(C) from 0.1 to 7% by weight, relative to the total weight of the composition, of epoxidized soybean oil,

wherein said at least one ε-caprolactone polymer comprises at least one ε-caprolactone polymer that has a number average molecular weight less than or equal to 10,000 g/mol and at least one ε-caprolactone polymer that has a number average molecular weight greater than 10,000 g/mol, the at least one ε-caprolactone polymer that has a number average molecular weight greater than 10,000 g/mol being present in an amount less than 50% of the total weight of ε-caprolactone polymers.

2. The composition of claim 1 , comprising a single vinylidene chloride polymer.

3. The composition of claim 2 , wherein the vinylidene chloride polymer is a copolymer comprising vinylidene chloride in an amount of at least 50 wt % and at least one (meth)acrylic comonomer of formula (I):

CH 2 ═CR 1 R 2   (I),

wherein

R 1 is hydrogen or a methyl radical; and

R 2 is an —CO—R 3 radical wherein R 3 is —OH or —O—R 4 , wherein R 4 is at least one selected from the group consisting of a linear or branched alkyl radical comprising from 2 to 10 carbon atoms, optionally bearing one or more —OH radicals, an epoxyalkyl radical comprising from 2 to 10 carbon atoms, and an alkoxyalkyl radical comprising a total of 2 to 10 carbon atoms.

4. The composition of claim 3 , wherein the vinylidene chloride polymer is a copolymer comprising vinylidene chloride in an amount of at least 50 wt % and methyl acrylate.

5. The composition of claim 1 , consisting essentially of:

(A) at least one vinylidene chloride polymer;

(B) from 1 to 50% by weight, relative to the total weight of the composition, of at least one ε-caprolactone polymer; and

(C) from 0.1 to 7% by weight, relative to the total weight of the composition, of epoxidized soybean oil,

wherein said at least one ε-caprolactone polymer consists essentially of at least one ε-caprolactone polymer that has a number average molecular weight less than or equal to 10,000 g/mol and at least one ε-caprolactone polymer that has a number average molecular weight greater than 10,000 g/mol, the at least one ε-caprolactone polymer that has a number average molecular weight greater than 10,000 g/mol being present in an amount less than 50% of the total weight of ε-caprolactone polymers.

6. The composition of claim 1 , wherein at least one ε-caprolactone polymer has a molecular weight less than or equal to 8,500 g/mol.

7. The composition of claim 1 , wherein a total amount of ε-caprolactone polymers is between 3 and 15% by weight relative to the total weight of the composition.

8. The composition of claim 1 , which comprises the mixture of (A), (B) and (C) via premixing.

9. A single-layer or multilayer film, comprising the composition of claim 1 .

10. A single-layer or multilayer film, comprising a barrier layer comprising the composition of claim 1 .

11. A packaging or bag, formed from the film of claim 9 .

12. The packaging or bag of claim 11 , suitable for food packaging or medical application.

13. The packaging or bag of claim 12 , suitable for cheese packaging.

14. The composition of claim 1 , wherein a total amount of ε-caprolactone polymers is between 1 and 30% by weight, relative to the total weight of the composition.

15. The composition of claim 1 , wherein at least one ε-caprolactone polymer has a molecular weight greater than or equal to 150 g/mol.

16. The composition of claim 5 , wherein at least one ε-caprolactone polymer has a molecular weight less than or equal to 8,500 g/mol.

17. The composition of claim 1 , wherein said at least one ε-caprolactone polymer comprises at least one ε-caprolactone polymer that has a number average molecular weight that is less than or equal to 8,000 g/mol and more than 200 g/mol and at least one ε-caprolactone polymer that has a number average molecular weight that is greater than 20,000 g/mol and less than 80,000 g/mol.

18. The composition of claim 17 , comprising from 3 to 15% by weight, relative to the total weight of the composition, of said at least one ε-caprolactone polymer.

19. The composition of claim 5 , wherein said at least one ε-caprolactone polymer consists essentially of at least one ε-caprolactone polymer that has a number average molecular weight that is less than or equal to 8,000 g/mol and more than 200 g/mol and at least one ε-caprolactone polymer that has a number average molecular weight that is greater than 20,000 g/mol and less than 80,000 g/mol.