Mechanical Property Deterioration of PBAT/PLA/ENR Mulching Films for the Cultivation of Fruit Trees and Flowers Under Real Field Conditions

T. Nampitch, S. Ouipanich, T. Kaisone, P. Hanthanon, C. Wiphanurat and Y. Thongjun
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T. Nampitch: Kasetsart University, Bangkok, Thailand
S. Ouipanich: Kasetsart University, Bangkok, Thailand
T. Kaisone: Kasetsart University, Bangkok, Thailand
P. Hanthanon: Kasetsart University, Bangkok, Thailand
C. Wiphanurat: Kasetsart University, Bangkok, Thailand
Y. Thongjun: Kasetsart University, Bangkok, Thailand

International Journal of Technology and Engineering Studies, 2020, vol. 6, issue 1, 8-15

Abstract: The present study investigated the effect of different component ratios on the mechanical and biodegradable properties of the bio-based mulching film. Bio-based mulching films were prepared using blown film extrusion with extruder barrel temperature settings ranging between 167 to 170 ◦C and an extruder pressure of 119 bar. The blend composition consisted of Poly (Butylene Adipate-co-Terephthalate) (PBAT), Epoxidized Natural Rubber (ENR), and Polylactic Acid (PLA). The effect of real field conditions on the mechanical properties of the mulching films during the time of cultivation was investigated using a universal testing machine and the pendulum tear method. The mechanical property deterioration of the PLA/ENR mulching films under real field conditions was due to biodegradation caused by biological activity, temperature, and humidity. The results show that the performance of the biodegradable mulching films under actual user conditions for 6 months was still effective and the quality of the fruit trees and flowers improved when using the PLA/ENR mulching films.

Keywords: Mulching film; biodegradation; mechanical properties; epoxidized natural rubber; PLA (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:apa:ijtess:2020:p:8-15

DOI: 10.20469/ijtes.6.10002-1

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