Physical Properties of Wide Aluminum Coated Polyester Film

SONG Jiayun; MA Jiefang; ZHANG Yafei; GAO Jiangnan; XUE Yao; GAO Haoxiang

doi:10.19554/j.cnki.1001-3563.2025.17.035

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Packaging Engineering ›› 2025, Vol. 46 ›› Issue (17) : 335-341. DOI: 10.19554/j.cnki.1001-3563.2025.17.035

Equipment Protection

Physical Properties of Wide Aluminum Coated Polyester Film

SONG Jiayun^*, MA Jiefang, ZHANG Yafei, GAO Jiangnan, XUE Yao, GAO Haoxiang

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Abstract

The work aims to research the process of vacuum wound evaporation coating equipment to provide experimental basis for the application and storage environment requirements of wide aluminum coated polyester films in aerospace products. By regulating the process of vacuum wound evaporation coating equipment and testing the physical properties of films in terms of surface quality, thermal radiation, adhesion, surface resistivity, and environmental testing, the influence of the process on the properties of aluminum coated polyester films was studied. The ability to produce aluminum coated polyester films with a width of 1 500 mm was achieved, and the reliability of the physical properties of the aluminum coated polyester films with a width of 1 500 mm was verified. During the testing process, it was found that the cleanliness of the coating room had an impact on the adhesion of the aluminum coated polyester films. Arranging 16 evaporation boats evenly in the width direction can meet the requirements of aluminum film forming. The synchronous transmission frictionless flattening technology used before and after coating can ensure the smooth, flat, and flattened effects during the film processing. Long term damp heat tests show that aluminum coated polyester films can affect the service life of products in high temperature and high humidity environments, and long-term storage in high temperature and high humidity environments should be avoided.

Key words

polyester film / aluminum plating / wide width

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SONG Jiayun, MA Jiefang, ZHANG Yafei, GAO Jiangnan, XUE Yao, GAO Haoxiang. Physical Properties of Wide Aluminum Coated Polyester Film[J]. Packaging Engineering. 2025, 46(17): 335-341 https://doi.org/10.19554/j.cnki.1001-3563.2025.17.035

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