US2004121098A1PendingUtilityA1

Metallocene-produced polyethylene for glossy plastic containers

Priority: Mar 30, 2000Filed: Mar 28, 2001Published: Jun 24, 2004
Est. expiryMar 30, 2020(expired)· nominal 20-yr term from priority
Inventors:Eric Maziers
B32B 27/32C08F 110/02B32B 27/327Y10T428/1352B32B 2439/60C08F 10/02B32B 27/08B32B 2323/04B32B 2307/406B32B 1/00
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Claims

Abstract

A high gloss plastic container prepared from a metallocene-produced polyethylene having a density of from 0.930 to 0.966 g/cm 3 and a melt index MI2 of from 0.5 to 2.5 g/10 min.

Claims

exact text as granted — not AI-modified
1 . A plastic container comprising one or more layers characterised in that the external layer is prepared essentially from a metallocene-produced polyethylene resin and has a gloss of at least 40.  
     
     
         2 . A plastic container according to  claim 1 , wherein the metalloce-neproduced polyethylene has a density of from 0.930 to 0.966 g/cm 3  and a melt index MI2 of from 0.5 to 2.5 g/10 min.  
     
     
         3 . A plastic container according to  claim 1  or  claim 2  wherein the metallocene-produced polyethylene has a molecular weight distribution of from 2 to 7.  
     
     
         4 . A plastic container according to any one of the preceding claims that is produced by blow moulding an extruded or coextruded parison.  
     
     
         5 . A plastic container according to any one of the preceding claims wherein the container is a single layer container.  
     
     
         6 . A plastic container according to any one of  claims 1  to  4  wherein the container is a multi-layer container, each layer being the same or different.  
     
     
         7 . Milk bottles produced according to any one of the preceding claims.  
     
     
         8 . Cosmetic packaging produced according to any one of  claims 1  to  6 .  
     
     
         9 . Household packaging produced according to any one of  claims 1  to  6 .

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