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<p>Polycaprolactone (PCL) is an aliphatic polyester renowned for its exceptional qualities in food packaging (FP) applications. Its biodegradability and ability to produce high molecular weight polymers through ring-opening polymerization make PCL particularly valuable. Films made from PCL (PCL<sub>f</sub>) are characterized by excellent water resistance, enhanced food quality, and extended shelf life, rendering them ideal for use in edible FP. However, despite these advantages, PCL<sub>f</sub> presents challenges concerning its modulus and stiffness, prompting researchers to investigate ways to improve its mechanical properties. Strategies to enhance PCL<sub>f</sub> include the addition of plasticizers to increase flexibility, blending with other biopolymers to leverage combined benefits, using cross-linkers for better structural integrity, and incorporating bioactive materials for antimicrobial effects. By opting for PCL<sub>f</sub> in food packaging, the industry can promote sustainability, reduce environmental impact, and ensure food safety while providing consumers with eco-friendly alternatives that preserve quality.</p> Graphical Abstract <p></p>

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Innovative Applications of Polycaprolactone as a Biodegradable Polymer for Food Packaging Films: A Comprehensive Review

  • 期刊论文

  • 发表日期：

    2025年8月27日

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  • Reza Abedi-Firoozjah,
  • Behnam Bahramian,
  • Milad Tavassoli,
  • Sajad Ghaderi,
  • Majid Majlesi,
  • Neshat Ahmadi,
  • Swarup Roy,
  • Nazila Oladzadabbasabadi,
  • Hamid Rajabi,
  • Mansour Rabie Ashkezary,
  • Seid Mahdi Jafari

摘要

Polycaprolactone (PCL) is an aliphatic polyester renowned for its exceptional qualities in food packaging (FP) applications. Its biodegradability and ability to produce high molecular weight polymers through ring-opening polymerization make PCL particularly valuable. Films made from PCL (PCLf) are characterized by excellent water resistance, enhanced food quality, and extended shelf life, rendering them ideal for use in edible FP. However, despite these advantages, PCLf presents challenges concerning its modulus and stiffness, prompting researchers to investigate ways to improve its mechanical properties. Strategies to enhance PCLf include the addition of plasticizers to increase flexibility, blending with other biopolymers to leverage combined benefits, using cross-linkers for better structural integrity, and incorporating bioactive materials for antimicrobial effects. By opting for PCLf in food packaging, the industry can promote sustainability, reduce environmental impact, and ensure food safety while providing consumers with eco-friendly alternatives that preserve quality.

Graphical Abstract