Influence of natural fillers on the microplasticization of green composites

2022 Fiscal Year Final Research Report

• Project/Area Number: 19KT0036
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 特設分野
• Research Field: Agricultural Resources for the Next Generation
• Research Institution: Akita Prefectural University
• Principal Investigator: Ito Kazushi 秋田県立大学, システム科学技術学部, 准教授 (30507116)
• Co-Investigator(Kenkyū-buntansha): 常盤野 哲生 秋田県立大学, 生物資源科学部, 准教授 (50312343)
• Project Period (FY): 2019-07-17 – 2023-03-31
• Keywords: グリーンコンポジット / マイクロプラスチック

Outline of Final Research Achievements

In this study, microplastic (MP) models of polylactic acid, polybutylene succinate, and cellulosic green composites were fabricated after the construction of a surface processing system. The experimental system using the MP model allows us to study both the morphological and molecular changes of the UV-irradiated MP surface. It was also found that the fillers targeted in this study promote the miniaturization of green composites and polymer composites. Furthermore, the process of miniaturization in these composites was suggested to be different for each filler.

Free Research Field

材料力学，生体力学

Academic Significance and Societal Importance of the Research Achievements

本研究における成果はマイクロプラスチックの発生リスクを考慮したグリーンコンポジットの開発に繋がると考えられる。さらにグリーンコンポジットの開発および普及は農業廃棄物および林業廃棄物を資源化するため，一次産業の活性化および多様化に寄与することが期待される。