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研究生: 蕭博文
Bo-Wun Siao
論文名稱: 複合式多孔質陽極氧化鋁塑膠平板之射出成形分析研究
Injection Molding of Composited Polymer Plate with Porous Anodic Alumina Structures
指導教授: 陳炤彰
Chao-Chang Chen
口試委員: 楊申語
Sen-Yeu Yang
李世榮
Shah-Rong Lee
劉松柏
Sung-Po Liu
郭俞麟
Yu-Lin kuo
學位類別: 碩士
Master
系所名稱: 工程學院 - 機械工程系
Department of Mechanical Engineering
論文出版年: 2014
畢業學年度: 102
語文別: 中文
論文頁數: 155
中文關鍵詞: 複合式塑膠平板多孔質陽極氧化鋁法嵌入式射出成形
外文關鍵詞: Composited polymer plate, Porous anodic aluminum, Inserted injection molding
相關次數: 點閱:315下載:12
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  • 本研究主要在研製具有導熱性質之複合式塑膠平板,先以多孔質陽極氧化鋁法(Porous Anodic Aluminum, PAA)所製作出之多孔質奈米陶瓷模板與熱塑性塑膠平板以嵌入式射出成形製程結合。實驗中探討射出成形參數對複合式平板熱傳導係數的影響、比較PAA模板與塑膠表面性質的差異及複合式平板中塑膠結構的高度對結合強度的關係。實驗結果顯示使用高塑料溫度、高保壓壓力及高射出速度可得到較好的熱傳導係數,其中塑料溫度為影響熱傳導係數之主要因素。複合式PC及ABS平板成品熱傳導係數分別為4.1W/m℃和2.2 W/m℃,其熱傳導係數較PC及ABS平板提高約12倍及9倍;透過接觸角與拉伸實驗分析後發現,ABS塑料的接觸角比PC塑料較為接近PAA模板及鋁板,且其結合強度也較高,代表塑料與PAA模板結合強度與兩相表面性質有關。高塑料溫度可獲得較高的結合強度,其中ABS塑料所製成的複合式平板可得到較好的結合強度0.18 MPa,透過SEM觀察結合強度檢測的試片得知,高塑料溫度使塑料在PAA模板中有較高的結構高度,代表塑料與PAA模板的接觸面積增加可以有效提升結合強度。本研究之研究成果未來可應用於3C產品外殼,輔以協助熱傳遞。


    This research is to develop a novel process with the porous anodic aluminum (PAA) to produce the nano-porous ceramic template and then combines with a thermoplastics plate by the quasi-inserted injection molding process. The composited polymer plate containing aluminum material on PAA template has the ability to enhance heat transfer capability of local heat source. Effects of injection molding parameters on the thermal conductivity coefficient of the composited polymer plate have been investigated with the height of polymer inside the PAA template by bonding strength tests Experimental results show that the higher melt temperature, packing pressure and injection velocity can acquire better thermal conductivity coefficient. The melt temperature is the more significant parameter. The thermal conductivity coefficient of composited PC and ABS plate are 4.1W/m℃, 2.2 W/m℃ separately. They are 12 and 9 time in contrast with only PC and ABS plate by injection molding. According to contact angle and tensile analysis, the contact angle of ABS is similar with that of PAA and it has higher bonding strength compared with that of PC. It means that the bonding strength of polymer and PAA template is related to their property of contact surface. The higher melt temperature can obtain the higher bonding strength. The composited ABS plate has the higher strength bonding as 0.18 MPa. According to SEM observation, the depth of polymer coated in PAA template is increased by higher melt temperature and it is contributed to the larger contact area of PAA and polymer. Result of this study can be applied to the conductive shell plate of 3C products to reduce heat damage in near future.

    摘要 I Abstract II 誌謝 III 目錄 VI 圖目錄 IX 表目錄 XVI 第一章 導論 1 1.1 研究背景 1 1.2 研究目的與方法 4 1.3 論文架構 5 第二章 文獻回顧 7 2.1 射出成形文獻回顧 7 2.2 導熱性塑膠文獻回顧 19 2.3 陽極氧化鋁製程文獻回顧 25 2.4 相關專利分析 37 2.5 文獻回顧總結 40 第三章 實驗用材與相關原理 47 3.1 聚碳酸酯(Polycarbonate, PC) 47 3.2 ABS共聚物(Acrylonitrile Butadiene Styrene, ABS) 49 3.3 鋁合金材料 50 3.4 射出成形製程模式 51 第四章 實驗規劃與設備 55 4.1 實驗流程規劃 55 4.1.1 多孔質陽極氧化鋁製作 55 4.1.2 模具設計與分析 63 4.1.3 射出成形實驗 67 4.1.4 實驗設計 72 4.1.5 熱傳導係數量測 79 4.1.6 結合強度檢測 80 4.2 實驗設備與材料 81 4.2.1 射出成形設備與材料 81 4.2.2 陽極處理設備與材料 83 4.2.3 量測設備 85 第五章 實驗結果與討論 95 5.1 射出成形製程參數探討 95 5.2 熱傳導係數檢測 106 5.2.1 純平板熱傳導係數量測 106 5.2.2 複合式平板熱傳導係數量測 118 5.3 結合強度檢測 127 第六章 結論與建議 136 6.1 結論 136 6.2 建議 138 第七章 參考文獻 139 附錄A 實驗模具 146 附錄B F-distribution table(α=0.01) 149 附錄C射出成形塑膠材料物性表 150 附錄D摩擦理論 152 附錄F 複合式平板剖面檢測結果 154

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