Preparation of PET/PT Composite Film and Study of its Moisture Barrier Properties

Wen Ming Ren; Pei Fang Cheng; Xue Feng Liu

doi:10.4028/www.scientific.net/AMR.608-609.1351

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 608-609Preparation of PET/PT Composite Film and Study of...

Preparation of PET/PT Composite Film and Study of its Moisture Barrier Properties

Abstract:

In order to improve the practical performance of common Cellophane as packaging material, PET/PT composite film were prepared by means of Dry Lamination, and the influence of temperature on water vapor permeation of composite films was investigated at the range of 20-50°C at 50% relative humidity. The results showed that the moisture barrier properties of common Cellophane were improved obviously by means of coating on the PET films and the water vapor transmission rate of composite films was increased with temperature increasing in the range from 20°C to 50°C，the relationship between water vapor transmission rate of the composite films and the temperature followed an exponential grow curve [y=1.3441exp (0.0597x)], correlation coefficient R is 0.9957.

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Periodical:

Advanced Materials Research (Volumes 608-609)

Pages:

1351-1353

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.608-609.1351

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Online since:

December 2012

Authors:

Wen Ming Ren, Pei Fang Cheng, Xue Feng Liu

Keywords:

Cellophane, Moisture Barrier Properties, PET, Water Vapor Transmission Rate

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