Physical and gas permeation properties of five-layer polyethylene film used as greenhouse roof

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Abdelkader Dehbi
Boulos Youssef
Abdel-Hamid I. Mourad
Corinne Chappey
Pietro Picuno
Dina Statuto *
(*) Corresponding Author:
Dina Statuto | dina.statuto@unibas.it

Abstract

The effect of sand wind ageing simulation performed under different conditions for a five-layer film consisting of polyethylene, poly-vinyl-acetate and various additives has been investigated. The mechanical properties of the five-layer films after several treatments were evaluated, together with their surface morphology - analysed by using Fourier transform infrared and contact angle - and gas permeation properties. The experimental analysis indicated that these treatments had a significant influence on the surface of the film only. An attempt has been done to compare the properties of the five-layer films with the monolayer and tri-layer films with or without air bubble under similar conditions.

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