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| Current Status and Development Trends of Bio-based Biodegradable Barrier Packaging Materials |
| Received:April 03, 2025 Revised:August 26, 2025 |
| DOI：10.11981/j.issn.1000-6842.2026.01.97 |
| Key Words:bio-based materials;degradable;barrier performance;paper-based materials |
| Author Name | Affiliation | Postcode | | WANG Gang | Shandong Jinmai Materials Technology Co.， Ltd.， Yantai， Shandong Province， 264670）
（E-mail： corresponding author:wg@jinmai-tech.com | 264670 |
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| Abstract: |
| This paper systematically reviewed the research status and development directions of biomass-based biodegradable barrier packaging materials. It analyzed the advantages and key challenges faced by material systems including polylactic acid （PLA）-based， starch-based， cellulose-based， and paper-based materials， such as poor barrier performance and mechanical strength， as well as high costs. The study further explored modification techniques used to enhance the barrier properties of these materials， such as blending modification （e.g.， starch/PLA）， nanocomposite reinforcement （utilizing the “labyrinth effect”）， intrinsic hydrophobic modification （chemical modification）， and coating modification （e.g.， multifunctional coatings for paper-based materials）， along with their respective advantages， disadvantages， and applicability. Finally， the outlook highlighted the development prospects of technologies of highly compatible bio-based barrier agents， structural optimization， and improvement of nanomaterial dispersion， aiming to provide references for technological innovation and industrial upgrading of bio-based biodegradable barrier packaging materials. |
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