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PET juice bottle offers extended shelf life. (Keeping Up With: Blow Molding).


Single-serve, hot-fill juices are being packaged for the first time in PET bottles that provide one-year shelf life. The secret is a combination of MDX (MultiDimensional EXpressions) A multidimensional query language. MDX uses syntax similar to SQL, but whereas SQL is used to query relational tables, MDX is used to query multidimensional cubes (OLAP databases). See SQL and OLAP. 6 barrier nylon, cobalt-based oxygen scavenger, and a PP barrier closure. The bottle is a 16-oz, three-layer structure developed by the Constar Div. of Crown Cork & Seal Co., Philadelphia. It is used to package nine juices sold by Toronto-based Alfresh Beverages Canada.

The 12-month shelf life was made possible by Crown Cork's Oxbar cobalt catalyst technology. This oxygen scavenger is blended into the MDX6 core layer, where it blocks oxygen ingress An entrance. Contrast with "egress," which means exit. See ingress traffic. See also Ingres 2006.  from outside and neutralizes oxygen already inside the package. Previous uses of Oxhar were only for 12- and 16-oz, short-shelf-life beer bottles and larger monolayer mon·o·lay·er
n.
1. A film or layer one molecule thick formed at the interface between water and either oil or air by a substance such as a partially esterified fatty acid that contains both hydrophobic and hydrophilic groups in the same
 PET containers.

Meanwhile, Crown Cork's BevGuard PP barrier closure includes a TPE TPE Thermoplastic Elastomer
TPE Terminal de Paiement Electronique (French)
TPE Total Power Exchange
TPE Twisted Pair Ethernet
TPE Tampines Expressway (Singapore)
TPE Therapeutic Plasma Exchange
 seal that minimizes oxygen ingress.
COPYRIGHT 2002 Gardner Publications, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2002, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Title Annotation:Constar Div. introduces polyethylene terephthalate bottles
Comment:PET juice bottle offers extended shelf life. (Keeping Up With: Blow Molding).(Constar Div. introduces polyethylene terephthalate bottles)
Publication:Plastics Technology
Article Type:Brief Article
Geographic Code:1USA
Date:Jul 1, 2002
Words:137
Previous Article:Film skiver has dual reels. (Keeping Up With: Extrusion).(advertisement)
Next Article:New barrier resin for multi-layer PET bottles. (Keeping Up With: Blow Molding).(Kureha Chemical Industry Company Ltd. resin product...
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