US2018178434A1PendingUtilityA1

Polymeric material for container

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Assignee: BERRY PLASTICS CORPPriority: Mar 4, 2015Filed: Feb 22, 2018Published: Jun 28, 2018
Est. expiryMar 4, 2035(~8.6 yrs left)· nominal 20-yr term from priority
Inventors:David Dezhou SunPhilip A. DriskillTony CainDiane E. MarretDebra R. WilsonTimothy Ponrathnam
B32B 27/306B29K 2995/0063B65D 1/0215B32B 2250/246B32B 2270/00B29K 2105/04B32B 2439/70B29K 2223/00B32B 27/08B29K 2105/0005B32B 27/32C08J 2323/08B29L 2031/712B65D 81/3846B29L 2009/001C08J 2423/06B32B 5/20C08J 9/122B29C 48/09C08J 9/06B29K 2023/065B65D 1/12B32B 2307/72B29C 48/23B32B 2307/71B29K 2105/0058B29B 11/14B29C 48/0017C08J 2323/06B29L 2031/7158B29K 2023/0633B29L 2023/00B29C 48/0015B32B 2262/0253B29C 2049/627B32B 2307/4026B32B 2439/60B29B 11/10B29K 2105/12B32B 2262/14B32B 2307/7242B32B 2250/242B29C 48/49B65D 81/38B29C 48/21B29C 2949/0715B29B 2911/14053B29B 2911/14173B32B 7/02B29C 49/48B29C 47/065B29C 47/068B32B 1/02B29C 47/005B29C 47/56B29B 2911/14093B29C 49/04B29C 47/0023B29C 49/0073B29B 2911/14066B32B 1/00B29C 47/0054B29C 49/22B29C 49/0411B29L 2031/7126B29C 2791/007B29C 2791/006B29C 2049/7831B29C 49/783B29C 49/62B29C 49/541B29C 2049/4889B29C 49/4289B29C 2049/2039B29C 2949/302B29C 2949/3008B29C 2949/3012B29C 49/071B29C 2949/3044B29C 2949/3094C08J 9/0061
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Claims

Abstract

A formulation for producing a polymeric material including high-density polyethylene, a chemical blowing agent, and other optional components is described.

Claims

exact text as granted — not AI-modified
1 . An insulative cellular non-aromatic polymeric material comprising
 about 50% to about 90% by weight of high density polyethylene (HDPE) base resin,   about 10% to about 50% by weight of low density polyethylene (LDPE) base resin,   up to about 1% by weight of a chemical blowing agent,   up to about 15% by weight of a nucleating agent, and   a physical blowing agent,   wherein the insulative cellular non-aromatic polymeric material has a density of about 0.1 g/cm 3  to about 0.9 g/cm 3 .   
     
     
         2 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the high density polyethylene (HDPE) base resin is about 50% to about 85% by weight. 
     
     
         3 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the high density polyethylene (HDPE) base resin is about 80% to about 90% by weight. 
     
     
         4 . The insulative cellular non-aromatic polymeric material of  claim 3 , wherein the high density polyethylene (HDPE) base resin is about 85% by weight. 
     
     
         5 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the low density polyethylene (LDPE) base resin is about 15% to about 50% by weight. 
     
     
         6 . The insulative cellular non-aromatic polymeric material of  claim 5 , wherein the low density polyethylene (LDPE) base resin is about 20% to about 30% by weight. 
     
     
         7 . The insulative cellular non-aromatic polymeric material of  claim 6 , wherein the low density polyethylene (LDPE) base resin is about 20% to about 25% by weight. 
     
     
         8 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the chemical blowing agent is about 0.1% to about 0.3% by weight. 
     
     
         9 . The insulative cellular non-aromatic polymeric material of  claim 8 , wherein the chemical blowing agent is about 0.2% to about 0.3% by weight. 
     
     
         10 . The insulative cellular non-aromatic polymeric material of  claim 9 , wherein the chemical blowing agent is about 0.25% by weight. 
     
     
         11 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the nucleating agent is about is about 0.1% to about 0.3% by weight. 
     
     
         12 . The insulative cellular non-aromatic polymeric material of  claim 11 , wherein the nucleating agent is about 0.2% to about 0.3% by weight. 
     
     
         13 . The insulative cellular non-aromatic polymeric material of  claim 12 , wherein the nucleating agent is about 0.2% by weight. 
     
     
         14 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the insulative cellular non-aromatic polymeric material has a density of about 0.1 g/cm 3  to about 0.3 g/cm 3 . 
     
     
         15 . The insulative cellular non-aromatic polymeric material of  claim 14 , wherein the insulative cellular non-aromatic polymeric material has a density of about 0.1 g/cm 3  to about 0.2 g/cm 3 . 
     
     
         16 . The insulative cellular non-aromatic polymeric material of  claim 15 , wherein the insulative cellular non-aromatic polymeric material has a cell count of about 1,000,000 cells/in 3  to about 3,100,000 cells/in 3 . 
     
     
         17 . The insulative cellular non-aromatic polymeric material of  claim 16 , wherein the insulative cellular non-aromatic polymeric material has a density of about 0.18 g/cm 3 . 
     
     
         18 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the insulative cellular non-aromatic polymeric material has a cell count of about 1,000,000 cells/in 3  to about 3,100,000 cells/in 3 . 
     
     
         19 . The insulative cellular non-aromatic polymeric material of  claim 18 , wherein the cell count is about 2,000,000 cells/in 3 . 
     
     
         20 . The insulative cellular non-aromatic polymeric material of  claim 1 , wherein the physical blowing agent is an inert gas.

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