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題 名 | 光催化高硬度有機/無機奈米複合薄膜之實驗探討=Studies on Preparing High-performance Organic/Inorganic Hybrid Hard Coatings Using Ultraviolet Photocatalysis Technique |
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作 者 | 林大森; 莊慶福; 王偉哲; | 書刊名 | 聯大學報 |
卷 期 | 5:2(下) 2008.12[民97.12] |
頁 次 | 頁1-10 |
分類號 | 440.34 |
關鍵詞 | 高硬度塗層; UV光催化; 實驗設計法; 變異數分析; 奈米粒子; Hard coating; UV catalyzed; DOE; ANOVA; Nanoparticle; |
語 文 | 中文(Chinese) |
中文摘要 | 近十幾年來,關於有機-無機奈米複合材料的研究,已成為一個極富有發展潛力的研究領域。本實驗透過實驗設計法(Design of Experiment, DOE)與變異數分析(Analysis of Variance, ANOVA)尋求高硬度有機/無機奈米複合薄膜之相對最佳化操作配比,此硬質薄膜合成是以紫外光催化已添加光觸媒粒子之Silane-based混合溶液,進而提升硬度,增強塗層表面耐磨性、耐刮性、硬度、強度及韌性等。本實驗選定含氨基矽烷(Bis-Amino Silane)為母體。選定矽烷/水的莫耳比、奈米粒子氧化鈦濃度、UV光照射時間、壓克力單體濃度等四個控制因子,分別設定3個水準之L9直交表實驗配置。本實驗結果顯示,影響硬度的最大影響因子為矽烷/水的莫耳比其貢獻率68.6%,次之為UV光催化時間7.1%,由此可知矽烷的濃度在這實驗扮演極重要的因素,可供後續研發之參考。未來將進一步探討UV及紅外光遮蔽效應,並藉由改變控制因子參數來研發出多功能高硬度透明薄膜,應用於營建產業室內裝修材料表面塗佈、建築帷幕構材、建築玻璃、汽車面漆、汽車玻璃、眼鏡鏡片及地板等,以延長產品生命週期,達到永續發展之目標。 |
英文摘要 | In the past years, investigation on organic/inorganic nano composites is one of the promising research fields. Accordingly, this study intends to seek for an optimal recipe on preparing high-performance organic-inorganic hybrid hard coatings, using Design of Experiment (DOE) and Analysis of Variance (ANOVA). The prepared coating can be synthesized through an ultraviolet (UV) photocatalysis technique that uses silane-based solution and photocatalysts as precursor and photosensitizer, respectively. The UV-curing process efficiently enhances the hard coating with better hardness, anti-scraping and anti-abrasion. This study selected bis-amino silane as matrix and four operating parameters: volumetric ratio of silane/water, concentration of titanium dioxide nanoparticles, UV illumination time, and monomer concentration of silane with three levels, forming L9 orthogonal array. The results of ANOVA reflected that monomer concentration of silane is the most contributor 68.6% to affect the hardness of the coating, while UV illumination time plays the minor one, i.e., only 7.1%. This result shed some light on how the silane concentration plays an important role in improving the performance of the coating. The optimal parameter setting can be expected to create multi-functional coatings in a variety of applications such as automobile coatings, glasses, touch panel, and so on. However, future work is needed to clarify the effects of UV and infrared shielding. |
本系統中英文摘要資訊取自各篇刊載內容。