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Multilayer polyethylene film for protecting crops under severe weather conditions

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Document pages: 7 pages

Abstract: This paper studies the performance and durability of a new generation of greenhouse cover composed of five layers. Sand wind aging tests were carried out under different exposure conditions. The surface morphology, chemical, physical and thermal properties were studied by optical microscope, FTIR and tensile test. In addition, the mechanical integrity of the five layer film was evaluated. The analysis shows that sand wind treatment only has a significant effect on the properties of the film. Under similar conditions, the performances of five layer film, single layer film and three-layer film (with or without bubbles) were compared. The results show that the five layer film is a kind of film with excellent propertiesng greenhouse covering film.

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