時間：2025-05-02(五) 15:20 pm

講題：Development of functional biobased materials with controllable biodegradation

講者：徐于懿 教授

服務單位：大阪大學 應用化學系

地點：93406

主持人：姚少凌 教授

摘要 :

海洋中漂浮的塑膠碎片造成了嚴重的環境問題並威脅海洋生物。傳統的生物降解塑膠由於其強度和穩定性，仍可以在海水中停留多年。本研究中製備了功能性生物基抱聚離子複合物（PIC）。PIC 由弱聚電解質組成，在高離子強度的溶液中不穩定。因此，PIC網絡在淡水中有一定的穩定度，但海水中反離子存在下分解，從而失去其強度和穩定性。海水浸泡一段時間後，聚合物開始從PIC網路中浸出，導致膨脹和濕拉伸模量降低。我們相信這些PIC 薄膜將為進一步研究下一代可再生、快速海洋降解和更環保的包裝薄膜提供見解。

學歷 :

EDUCATION

PhD, Engineering, Department of biobased materials science, Kyoto Institute of Technology, Kyoto Japan, March 2015　Dissertation Title: “Development of Novel Bioabsorbable Sol-gel Systems Based on Enantiomeric Block Copolymers of Polylactide and Poly(oxyethylene)”

MA, Engineering, Department of biobased materials science, Kyoto Institute of Technology, Kyoto Japan, March 2012

BA, Engineering, Department of Bioengineering, Tatung University, Taipei Taiwan, June 2008

PROFESSIONAL EXPERIENCE

Academic Experience

• Associate Professor, Osaka University, Osaka Japan, May 2022-Present
• Assistant Professor, Osaka University, Osaka Japan, July 2019-April 2022

Research Fellowships

• Project Researcher, Department of biomedical engineering, Research institute, National Cerebral and Cardiovascular Center, Osaka Japan, April 2018-March 2019
• Postdoctoral Researcher, Department of biomedical engineering, Research institute, National Cerebral and Cardiovascular Center, Osaka Japan, April 2015-March 2018