COMPOSITIONS AND ARTICLES COMPRISING BLENDS INCLUDING BRANCHED POLYAMIDE

1 . A composition comprising a blend of:

polyamide-6; and

a branched polyamide.

2 . The composition of claim 1 , wherein the branched polyamide has the following formula:

wherein a = 6 to 10, b = 6 to 10, c = 4 to 10, d = 4 to 10, x = 80 to 400 and m = 1 to 400.

3 . The composition of claim 1 ,wherein the branched polyamide is present in an amount from 5 wt.% to 50 wt.% of the total weight of the blend of the polyamide-6 and the branched polyamide.

4 . The composition of claim 1 , wherein the branched polyamide is present in an amount from 15 wt.% to 25 wt.% of the total weight of the blend of the polyamide-6 and the branched polyamide.

5 . The composition of claim 1 , wherein the branched polyamide includes one or more monofunctional terminating agent residues or bifunctional terminating agent residues.

6 . The composition of claim 5 , wherein the one or more terminating agent residues include a monofunctional acid residue, a bifunctional acid residue, a monofunctional amine residue and a bifunctional amine residue.

7 . The composition of claim 6 , wherein a concentration of the amine end group is less than 25 mmol/kg, and a concentration of the carboxyl end group is less than 18 mmol/kg.

8 . The composition of claim 1 , wherein the branched polyamide has a viscosity from 20 to 80 FAV.

9 . The composition of claim 1 , wherein the polyamide-6 has a viscosity from 80 to 140 FAV.

10 . The composition of claim 1 , wherein the blend consists essentially of the polyamide-6 and the branched polyamide.

11 . The composition of claim 1 , wherein the blend consists of the polyamide-6 and the branched polyamide.

12 . A composition comprising a blend of:

low-density polyethylene; and

a branched polyamide.

13 . The composition of claim 12 , wherein the branched polyamide has the following formula:

wherein a= 6 to 10, b = 6 to 10, c = 4 to 10, d = 4 to 10, x = 80 to 400 and m = 1 to 400.

14 . The composition of claim 12 , wherein the branched polyamide is present in an amount from 5 wt.% to 30 wt.% of the total weight of the blend of the polyethylene and the branched polyamide.

15 . The composition of claim 12 , wherein the branched polyamide includes one or more monofunctional terminating agent residues or bifunctional terminating agent residues.

16 . The composition of claim 12 , wherein the blend consists essentially of the polyethylene and the branched polyamide.

17 . An article formed from the composition of claim 1 .

18 . The article of claim 17 , wherein the article is a film.

19 . The article of claim 17 , wherein the article is a fiber.

20 . The article of claim 17 , wherein the article is a wire.

21 . An article formed from the composition of claim 12 , wherein the article is a film having less haze than a film including a composition comprising a blend of the low-density polyethylene and polyamide-6.

22 . An article formed from the composition of claim 1 , wherein the article is a film having a tensile strength greater than a film consisting of polyamide-6 and a film consisting of the branched polyamide.

23 . The article of claim 22 , wherein the film has a tensile strength in the machine direction that is greater than a film consisting of polyamide-6 and a film consisting of the branched polyamide.

24 . An article formed from the composition of claim 1 , wherein the article is a film having a penetration to break greater than a film consisting of polyamide-6 and a film consisting of the branched polyamide.

25 . An article formed from the composition of claim 1 , wherein the article is a film having a force to puncture greater than a film consisting of polyamide-6.

26 . An article formed from the composition of claim 1 , wherein the article is a film having an elongation at break greater than a film consisting of polyamide-6.

27 . An article formed from the composition of claim 1 , wherein the article is a film having an oxygen transmission rate greater than a film consisting of polyamide-6.

28 . An article formed from the composition of claim 1 , wherein the article is a film having a water vapor transmission rate greater than a film consisting of polyamide-6.

29 . The article formed from the composition of claim 1 , wherein the article is a produce and/or fresh/cut flower packaging film.

30 . The article formed from the composition of claim 12 , wherein the article is a produce and/or fresh/cut flower packaging film.