Analysis and Optimization Design of Mechanical Properties for E-commerce Suspension Packaging Film of Table Grape

ZHANG Hanhan, LIANG Xin, WEI Jingyi, ZHAO Tong, YAO Gang, YAN Ruixiang

Packaging Engineering ›› 2024 ›› Issue (7) : 82-88.

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Packaging Engineering ›› 2024 ›› Issue (7) : 82-88. DOI: 10.19554/j.cnki.1001-3563.2024.07.011

Analysis and Optimization Design of Mechanical Properties for E-commerce Suspension Packaging Film of Table Grape

  • ZHANG Hanhan1, WEI Jingyi1, ZHAO Tong1, YAN Ruixiang1, LIANG Xin2, YAO Gang2
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Abstract

In response to the complicated operation, insufficient air and moisture permeability, violent sorting during delivery and the characteristics that grapes are easy to fall and be damaged, the work aims to propose a simplified packaging with appropriate air and moisture permeability for the table grape. Laser drilling was used to adjust the air and moisture permeability of TPU film and mechanical test was adopted to select the thickness and pore arrangement. The depression degree of TPU film wrapping grapes was confirmed by drop experiment, and the effectiveness of suspension packaging was verified. TPU film with a thickness of 0.08 mm and a Z-shaped pore arrangement had excellent mechanical properties and air and moisture permeability. Drilling considerably increased the water vapor transmittance (P<0.01) of the film. Furthermore, when dropped from 610 mm, the suspension packaging of the 0.08 mm Z-shaped TPU film with 3 cm depression did not contact the bottom, providing excellent protection. The pulp molded box could sustain a force over 400 N and still provided support after 20 compression cycles. Drop test revealed that the surface damage of grapes in suspension packaging was lower than that in bag. Overall, the suspension packaging is simple to use, with the air and moisture permeability greatly improved after laser drilling, which can meet the criteria of stacking and transportation and is an appropriate e-commerce logistics packaging method for table grapes that meets the packaging and transportation requirements. This study provides new ideas for the structural design of e-commerce packaging for fruit and vegetable products.

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ZHANG Hanhan, LIANG Xin, WEI Jingyi, ZHAO Tong, YAO Gang, YAN Ruixiang. Analysis and Optimization Design of Mechanical Properties for E-commerce Suspension Packaging Film of Table Grape[J]. Packaging Engineering. 2024(7): 82-88 https://doi.org/10.19554/j.cnki.1001-3563.2024.07.011
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