Gas barrier properties of polymeric films with hybrid organic/ inorganic coatings for food packaging applications

M. Minelli; M. Rocchetti; M.G. de Angelis; A. Montenero; F. Doghieri

Gas barrier properties of polymeric films with hybrid organic/ inorganic coatings for food packaging applications

M. Minelli, M. Rocchetti, M.G. de Angelis, A. Montenero, F. Doghieri

School of Engineering

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

Abstract

The permeability and diffusivity of oxygen in films of PET coated with a thin layer of an hybrid organic/inorganic (ceramer) material have been determined at 65°C. The permeability data are collected using a closed-volume permeation apparatus and the diffusivity has been calculated with the time-lag method. The addition of coating dramatically improves the oxygen barrier properties of the substrate, the apparent permeability of the multilayer film being up to 3 orders of magnitude lower than that of pure PET. The pure coating properties are opportunely calculated by taking into account the effect of the different diffusion resistances in the various layers. The effect of ageing has also been investigated, by comparing the oxygen permeability before and after immersion in water of the films, that are suspected to be degraded by water. © 2006 Chiriotti Editori. All rights reserved.

Original language	English
Pages (from-to)	237-240
Number of pages	4
Journal	Italian Journal of Food Science
Volume	18
Issue number	5
Publication status	Published - 2006

Access to Document

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85067273324&partnerID=40&md5=8a9020c9ddedb09323c3fadf19d3fdbe

Fingerprint Dive into the research topics of 'Gas barrier properties of polymeric films with hybrid organic/ inorganic coatings for food packaging applications'. Together they form a unique fingerprint.

Cite this

@article{a8e2ef89ebd044828c952330d6cf676c,

title = "Gas barrier properties of polymeric films with hybrid organic/ inorganic coatings for food packaging applications",

abstract = "The permeability and diffusivity of oxygen in films of PET coated with a thin layer of an hybrid organic/inorganic (ceramer) material have been determined at 65°C. The permeability data are collected using a closed-volume permeation apparatus and the diffusivity has been calculated with the time-lag method. The addition of coating dramatically improves the oxygen barrier properties of the substrate, the apparent permeability of the multilayer film being up to 3 orders of magnitude lower than that of pure PET. The pure coating properties are opportunely calculated by taking into account the effect of the different diffusion resistances in the various layers. The effect of ageing has also been investigated, by comparing the oxygen permeability before and after immersion in water of the films, that are suspected to be degraded by water. {\textcopyright} 2006 Chiriotti Editori. All rights reserved.",

author = "M. Minelli and M. Rocchetti and {de Angelis}, M.G. and A. Montenero and F. Doghieri",

note = "cited By 0",

year = "2006",

language = "English",

volume = "18",

pages = "237--240",

journal = "Italian Journal of Food Science",

publisher = "Chiriotti Editori",

number = "5",

}

TY - JOUR

T1 - Gas barrier properties of polymeric films with hybrid organic/ inorganic coatings for food packaging applications

AU - Minelli, M.

AU - Rocchetti, M.

AU - de Angelis, M.G.

AU - Montenero, A.

AU - Doghieri, F.

N1 - cited By 0

PY - 2006

Y1 - 2006

N2 - The permeability and diffusivity of oxygen in films of PET coated with a thin layer of an hybrid organic/inorganic (ceramer) material have been determined at 65°C. The permeability data are collected using a closed-volume permeation apparatus and the diffusivity has been calculated with the time-lag method. The addition of coating dramatically improves the oxygen barrier properties of the substrate, the apparent permeability of the multilayer film being up to 3 orders of magnitude lower than that of pure PET. The pure coating properties are opportunely calculated by taking into account the effect of the different diffusion resistances in the various layers. The effect of ageing has also been investigated, by comparing the oxygen permeability before and after immersion in water of the films, that are suspected to be degraded by water. © 2006 Chiriotti Editori. All rights reserved.

AB - The permeability and diffusivity of oxygen in films of PET coated with a thin layer of an hybrid organic/inorganic (ceramer) material have been determined at 65°C. The permeability data are collected using a closed-volume permeation apparatus and the diffusivity has been calculated with the time-lag method. The addition of coating dramatically improves the oxygen barrier properties of the substrate, the apparent permeability of the multilayer film being up to 3 orders of magnitude lower than that of pure PET. The pure coating properties are opportunely calculated by taking into account the effect of the different diffusion resistances in the various layers. The effect of ageing has also been investigated, by comparing the oxygen permeability before and after immersion in water of the films, that are suspected to be degraded by water. © 2006 Chiriotti Editori. All rights reserved.

M3 - Article

VL - 18

SP - 237

EP - 240

JO - Italian Journal of Food Science

JF - Italian Journal of Food Science

IS - 5

ER -