Polymeric material for an insulated container

Patent metadata

Field	Value
Publication number	US-2015274916-A1
Application number	US-201514739510-A
Country	US
Kind code	A1
Filing date	Jun 15, 2015
Priority date	Aug 31, 2011
Publication date	Oct 1, 2015
Grant date	—

Abstract

A formulation includes a polymeric material, a nucleating agent, a blowing, and a surface active agent. The formulation can be used to form a container.

First claim

1 . (canceled)

2 . An insulative cellular non-aromatic polymeric material comprising
a first polymer material comprising at least one high melt strength polypropylene having a melting temperature of at least 163° C. (325.4° F.), a second polymer material comprising at least one polymer selected from the group consisting of polypropylene, polyethylene, and mixtures thereof, at least one nucleating agent selected from the group consisting of chemical nucleating agents, physical nucleating agents, and mixtures thereof, and at least one blowing agent.

3 . The insulative cellular non-aromatic polymeric material of claim 2 , wherein the insulative cellular non-aromatic polymeric material has a density in a range of about 0.1 g/cm 3 to about 0.19 g/cm 3 .

4 . The insulative cellular non-aromatic polymeric material of claim 3 , wherein the density is in a range of about 0.1 g/cm 3 to about 0.18 g/cm 3 .

5 . The insulative cellular non-aromatic polymeric material of claim 4 , wherein the insulative cellular non-aromatic polymeric material has a density in a range of about 0.1 g/cm 3 to about 0.185 g/cm 3 .

6 . The insulative cellular non-aromatic polymeric material of claim 4 , wherein the density is in a range of about 0.15 g/cm 3 to about 0.18 g/cm 3 .

7 . The insulative cellular non-aromatic polymeric material of claim 6 , wherein the density is in a range of about 0.16 g/cm 3 to about 0.18 g/cm 3 .

8 . The insulative cellular non-aromatic polymeric material of claim 7 , wherein the density is about 0.16 g/cm 3 .

9 . The insulative cellular non-aromatic polymeric material of claim 2 , wherein the first polymer material is greater than about 80% by weight of the insulative cellular non-aromatic polymeric material.

10 . The insulative cellular non-aromatic polymeric material of claim 9 , wherein the first polymer material is greater than about 79.9% by weight of the insulative cellular non-aromatic polymeric material.

11 . The insulative cellular non-aromatic polymeric material of claim 9 , wherein the first polymer material is greater than about 82% by weight of the insulative cellular non-aromatic polymeric material.

12 . The insulative cellular non-aromatic polymeric material of claim 11 , wherein the first polymer material is greater than about 81.7% by weight of the insulative cellular non-aromatic polymeric material.

13 . The insulative cellular non-aromatic polymeric material of claim 2 , wherein the at least one nucleating agent comprises a chemical nucleating agent that is greater than about 0.05% by weight of the insulative cellular non-aromatic polymeric material.

14 . The insulative cellular non-aromatic polymeric material of claim 13 , wherein the chemical blowing agent is greater than about 0.1% by weight of the insulative cellular non-aromatic polymeric material.

15 . The insulative cellular non-aromatic polymeric material of claim 13 , wherein the chemical blowing agent is about 0.1% by weight of the insulative cellular non-aromatic polymeric material.

16 . The insulative cellular non-aromatic polymeric material of claim 13 , wherein the at least one nucleating agent comprises a physical nucleating agent that is greater than about 0.25% by weight of the insulative cellular non-aromatic polymeric material.

17 . The insulative cellular non-aromatic polymeric material of claim 16 , wherein the physical nucleating agent is less than about 2% by weight of the insulative cellular non-aromatic polymeric material.

18 . The insulative cellular non-aromatic polymeric material of claim 13 , wherein the at least one nucleating agent comprises a physical nucleating agent that is less than about 2% by weight of the insulative cellular non-aromatic polymeric material.

19 . The insulative cellular non-aromatic polymeric material of claim 2 , wherein the at least one nucleating agent comprises a physical nucleating agent in a range of about 0.25% to about 2% by weight of the insulative cellular non-aromatic polymeric material.

20 . The insulative cellular non-aromatic polymeric material of claim 2 , further comprising a colorant.

21 . The insulative cellular non-aromatic polymeric material of claim 20 , wherein the colorant is less than about 1% by weight of the insulative cellular non-aromatic polymeric material.

22 . The insulative cellular non-aromatic polymeric material of claim 2 , further comprising a slip agent that is about 2% by weight of the insulative cellular non-aromatic polymeric material.

23 . The insulative cellular non-aromatic polymeric material of claim 2 , wherein the first polymer material is greater than about 82% by weight of the insulative cellular non-aromatic polymeric material.

24 . The insulative cellular non-aromatic polymeric material of claim 23 , wherein the at least one nucleating agent comprises a physical nucleating agent.

25 . The insulative cellular non-aromatic polymeric material of claim 24 , wherein the physical nucleating agent is less than about 2% by weight of the insulative cellular non-aromatic polymeric material.

26 . The insulative cellular non-aromatic polymeric material of claim 25 , the mixture further comprising a slip agent.

27 . The insulative cellular non-aromatic polymeric material of claim 26 , wherein the slip agent is about 2% by weight of the insulative cellular non-aromatic polymeric material.

28 . The insulative cellular non-aromatic polymeric material of claim 27 , further comprising a colorant.

29 . The insulative cellular non-aromatic polymeric material of claim 28 , wherein the colorant is less than about 1% by weight of the insulative cellular non-aromatic polymeric material.

30 . The insulative cellular non-aromatic polymeric material of claim 28 , wherein the colorant is about 1% by weight of the insulative cellular non-aromatic polymeric material.

31 . The insulative cellular non-aromatic polymeric material of claim 30 , wherein the second polymer material is less than about 15% by weight of the insulative cellular non-aromatic polymeric material.

32 . The insulative cellular non-aromatic polymeric material of claim 31 , wherein the at least one nucleating agent further comprises a chemical nucleating agent that is greater than about 0.1% by weight of the insulative cellular non-aromatic polymeric material.

33 . The insulative cellular non-aromatic polymeric material of claim 31 , wherein the at least one nucleating agent further comprises a chemical nucleating agent that is about 0.1% by weight of the insulative cellular non-aromatic polymeric material.

34 . The insulative cellular non-aromatic polymeric material of claim 2 , wherein the first polymer material is greater than about 82% by weight of the insulative cellular non-aromatic polymeric material, the second polymer material is less than about 15% by weight of the insulative cellular non-aromatic polymeric material, the at least one nucleating agent comprises a chemical nucleating agent that is about 0.1% by weight of the insulative cellular non-aromatic polymeric material and a physical nucleating agent that is in a range of about 0.25% to about 2% by weight of the insulative cellular non-aromatic polymeric material, a colorant that is about 1% by weight of the insulative c

Assignees

• Berry Plastics Corp

Inventors

• Leser Chris K
• Driskill Philip A
• Wallace Charles T
• Euler John B
• Paladino Jason J
• Maravich Milan C
• Davis Daniel O
• Mann Jeffrey A
• Bowlds Randy A
• Contrada Svetlana I

Classifications

• C08J2201/03

  Extrusion of the foamable blend · CPC title

• Y10T428/139

  Open-ended, self-supporting conduit, cylinder, or tube-type article · CPC title

• C08J2205/04

  characterised by the foam pores · CPC title

• C08J9/06

  by a chemical blowing agent · CPC title

• C08J2323/04

  Homopolymers or copolymers of ethene · CPC title