Ecological Agriculture: Optimization and Validation of Soil Carbon Sequestration Prediction Models【Department of Materials Science Engineering / Hsueh, Han-Yu / Professor】
生態農業：土壤碳蓄存之預測模型優化及驗證【材料科學與工程學系/薛涵宇教授】
論文篇名 英文：Fabrication of Self-Wrinkling Polymer Films with Tunable Patterns through an Interfacial-Fuming-Induced Surface Instability Process
中文：通過界面熏蒸誘導的表面不穩定性過程製備具有可調圖案的自皺縮聚合物薄膜
期刊名稱 Small
發表年份,卷數,起迄頁數 2024, 20, 2311679-2311691
作者 Chen, Yi-Chen; Luo, Ying-Wei; Huang, Ching-Yu; Li, Yan-Lin; Chen, Ting-Lun; Xu, Ting-Yu; Hsueh, Han-Yu(薛涵宇)*
DOI 10.1002/smll.202311679
中文摘要 受指紋採集中超級膠熏蒸法的啟發，本研究開發了一種新穎的界面熏蒸誘導表面不穩定過程，來在聚合物基材上生成皺褶圖案。在基材表面引入高電負性基團以啟動單體蒸氣（如氰基丙烯酸乙酯）的聚合，從而形成堅硬的聚氰基丙烯酸乙酯封蓋層。此外，界面聚合使基材產生共價鍵結，導致複合材料的體積收縮和壓縮應變的積累，最終形成並穩定了皺褶表面形貌。作者系統地研究了環氧基材的模量、預應變、熏蒸流速和操作溫度等參數。該技術可輕鬆應用於具有複雜外形和內表面的結構，從而在常溫條件下構建表面圖案，無需真空環境或精確的工藝控制。本研究首次將熏蒸誘導的界面聚合與表面不穩定相結合，以創建穩固的皺褶。該方法可製造複雜的微皺紋圖案，並在微流控、光學元件、仿生粘附裝置和界面工程等多種實際應用中具有巨大潛力。
英文摘要 Inspired by the superglue fuming method for fingerprint collection, this study developed a novel interfacial-fuming-induced surface instability process to generate wrinkled patterns on polymeric substrates. High-electronegativity groups are introduced on the substrate surface to initiate the polymerization of monomer vapors, such as ethyl cyanoacrylate, which results in the formation of a stiff poly(ethyl cyanoacrylate) capping layer. Moreover, interfacial polymerization resulted in the covalent bonding of the substrate, which led to the volumetric shrinkage of the composite and the accumulation of compressive strain. This process ultimately resulted in the development and stabilization of wrinkled surface morphologies. The authors systematically examined parameters such as the modulus of the epoxy substrate, prestrain, the flow rate of fuming, and operating temperature. The aforementioned technique can be easily applied to architectures with complex outer morphologies and inner surfaces, thereby enabling the construction of surface patterns under ambient conditions without vacuum limitations or precise process control. This study is the first to combine fuming-induced interfacial polymerization with surface instability to create robust wrinkles. The proposed method enables the fabrication of intricate microwrinkled patterns and has considerable potential for use in various practical applications, including microfluidics, optical components, bioinspired adhesive devices, and interfacial engineering.
發表成果與本中心研究主題相關性 這項研究所開發的自皺褶聚合物薄膜技術，具有生成複雜微米級結構的能力，能應用於農業中的創新材料開發。例如，這種皺褶表面可以作為抗黏附塗層，有效防止農業機具和溫室結構上污垢和生物污染物的積累，從而延長設備壽命。此外，這種表面結構還可促進定向水分或農藥的傳輸，提高灌溉或農藥施用的效率。其應用於農業材料的潛力，有助於提升現代農業的自動化與可持續發展。