Overview
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ABSTRACT
The development of flexible packaging, so called multilayer, has allowed for the maximum optimized packaging functions of food products. Food product consumers are increasingly demanding. They want, for instance, easy to open and reclosable packaging as well as packaging which guarantees long conservation periods. The issue "conservation product" has also contributed to the development of the multilayer. The needs of these products, for their conservation after packaging are completely different. The choice of materials which make up packaging is conditioned.
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Donatien COULON: Product Manager Cheese Packaging Alcan Packaging Sarrebourg SAS
INTRODUCTION
In the world of food packaging, there is a family of flexible packaging known as "multilayer packaging". They have been developed to optimize the packaging functions of a food product (product preservation over time, visual marketing, environmental protection, special functionalities, etc.). Food consumers are increasingly demanding. They want, for example, easy-open packaging, resealable packaging, and packaging with a long shelf life.
The "product preservation" issue has also contributed to the development of multilayer packaging. Soft cheese cannot be packaged in the same flexible multilayer packaging as freeze-dried coffee. These products have totally different needs in terms of post-packaging preservation. This determines the choice of packaging materials.
We'll begin our analysis with a presentation of the carrier materials and additional materials used in multilayer packaging. We will then look at the parameters that determine the choice of materials in a structure. We then present the characteristics of multilayer packaging (transformation process and physico-chemical characteristics). We conclude with case studies of everyday products (cheese, coffee and dry products, culinary preparations, fresh dairy products and UHT milk).
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Multilayer flexible packaging materials
Basic principle
Bibliography
Also in our database
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(1) - KOZLOWSKI (A.) -
Matériaux au contact des denrées. Législation et règlementation.
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[F 1 306]
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