Influence of structural feature of aluminum coatings on mechanical and water barrier properties of metallized PET films

Géraldine Garnier; Bernard Yrieix; Yves Brechet; Lionel Flandin

doi:10.1002/app.31372

Influence of structural feature of aluminum coatings on mechanical and water barrier properties of metallized PET films

Géraldine Garnier, Bernard Yrieix, Yves Brechet, Lionel Flandin

Research output: Contribution to journal › Article › Research › peer-review

14 Citations (Scopus)

Abstract

This article focuses on description and evaluation of multilayer films, which are used for vacuum insulation panels (VIP). The materials investigated include a neat polyethylene terephthalate (PET) and PET films coated by chemical vapor deposition with different aluminum thicknesses. The aim of these investigations was to evaluate the influence of structural features on the physical properties of Al/PET systems. The morphological analyzes associated to water vapor permeability measurements showed that the metallized surface exhibited defects through which a small amount of water vapor can permeate. It is shown that the permeance varies linearly with the surface fraction occupied by pinholes which in turn changes linearly with the aluminum thickness.

Original language	English
Pages (from-to)	3110-3119
Number of pages	10
Journal	Journal of Applied Polymer Science
Volume	115
Issue number	5
DOIs	https://doi.org/10.1002/app.31372
Publication status	Published - 5 Mar 2010
Externally published	Yes

Keywords

Aluminum coating
Mechanical properties
Metallized pet film
Structural defects
Water barrier properties

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10.1002/app.31372

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abstract = "This article focuses on description and evaluation of multilayer films, which are used for vacuum insulation panels (VIP). The materials investigated include a neat polyethylene terephthalate (PET) and PET films coated by chemical vapor deposition with different aluminum thicknesses. The aim of these investigations was to evaluate the influence of structural features on the physical properties of Al/PET systems. The morphological analyzes associated to water vapor permeability measurements showed that the metallized surface exhibited defects through which a small amount of water vapor can permeate. It is shown that the permeance varies linearly with the surface fraction occupied by pinholes which in turn changes linearly with the aluminum thickness.",

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AU - Yrieix, Bernard

AU - Brechet, Yves

AU - Flandin, Lionel

PY - 2010/3/5

Y1 - 2010/3/5

N2 - This article focuses on description and evaluation of multilayer films, which are used for vacuum insulation panels (VIP). The materials investigated include a neat polyethylene terephthalate (PET) and PET films coated by chemical vapor deposition with different aluminum thicknesses. The aim of these investigations was to evaluate the influence of structural features on the physical properties of Al/PET systems. The morphological analyzes associated to water vapor permeability measurements showed that the metallized surface exhibited defects through which a small amount of water vapor can permeate. It is shown that the permeance varies linearly with the surface fraction occupied by pinholes which in turn changes linearly with the aluminum thickness.

AB - This article focuses on description and evaluation of multilayer films, which are used for vacuum insulation panels (VIP). The materials investigated include a neat polyethylene terephthalate (PET) and PET films coated by chemical vapor deposition with different aluminum thicknesses. The aim of these investigations was to evaluate the influence of structural features on the physical properties of Al/PET systems. The morphological analyzes associated to water vapor permeability measurements showed that the metallized surface exhibited defects through which a small amount of water vapor can permeate. It is shown that the permeance varies linearly with the surface fraction occupied by pinholes which in turn changes linearly with the aluminum thickness.

KW - Aluminum coating

KW - Mechanical properties

KW - Metallized pet film

KW - Structural defects

KW - Water barrier properties

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Influence of structural feature of aluminum coatings on mechanical and water barrier properties of metallized PET films

Abstract

Keywords

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