Preparation Techniques and Research Applications of PLA/PBAT Biodegradable Films

CHEN Chen, WANG Yang, WANG Xiang-jun, XIONG Lu-lu, LI Jun

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Plastics Science and Technology ›› 2024, Vol. 52 ›› Issue (04) : 137-142. DOI: 10.15925/j.cnki.issn1005-3360.2024.04.027
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Preparation Techniques and Research Applications of PLA/PBAT Biodegradable Films

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Abstract

Traditional polyethylene (PE) agricultural mulching film is difficult to degrade, which is harmful to the environment and irreversible. Poly(lactic acid) (PLA) and poly(adipic acid-butylene terephthalate) (PBAT) can be blended to prepare high strength and high flexibility degradable composites, which can effectively improve environmental pollution when used as agricultural mulching film. In this paper, the preparation technology of PLA/PBAT mulching film was summarized, and the modification of materials by inorganic fillers and organic fillers was summarized. Finally, the application and development prospect of PLA/PBAT mulching film in current agricultural production were introduced. The research shows that the preparation technology of PLA/PBAT mulching film has entered a new development stage from excellent to excellent. The addition of organic fillers or inorganic fillers can reduce the cost of PLA/PBAT mulching film, improve the compatibility of materials, and enhance many key indexes such as mechanical properties, crystallization properties and barrier properties. In practical application, PLA/PBAT plastic film can promote crop growth and increase crop yield, but its uncontrollable degradation cycle affects its development. In the future, PLA/PBAT degradable plastic film with adjustable degradation cycle can be developed according to different crop growth factors.

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Poly(adipic acid-butylene terephthalate) / Poly(lactic acid) / Biodegradable films

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CHEN Chen , WANG Yang , WANG Xiang-jun , et al . Preparation Techniques and Research Applications of PLA/PBAT Biodegradable Films. Plastics Science and Technology. 2024, 52(04): 137-142 https://doi.org/10.15925/j.cnki.issn1005-3360.2024.04.027

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