臺灣博碩士論文加值系統

以開孔型聚氨基甲酸酯（PU）為芯材的真空保溫片，其具有高熱阻之性能且不含CFCs或HCFCs等發泡劑。本文研究目的為探討開孔型聚氨基甲酸酯泡綿的組成成分與物理性質。
影響PU泡綿的組成成分及物理性質的變數為黑白料的成分比、攪拌轉速、混和溫度、開孔劑與穩定記等。
研究可發現當混和溫度越高，相同成分的泡綿固相容積率越高。又當反應比為1：1.2時，其固相容積率較小。本次實驗中的PU泡綿其開孔率均都接近100％開孔。但泡綿中仍有泡孔不均，過度反應及黃化等缺點。

The open cell rigid polyurethane (PU) foam for vacuum insulation panel which have high thermal resistance and without any CFCs or HCFCs blowing agent have been studied in this research. The objectives were to find the optimization composition of open cell rigid polyurethane raw material and the foam physical properties.
The effect factors of composition and properties include the ratio of isocynate and polyether; stirring speed, mixing temperature and additives.
The solid fraction was found to increase as the mixing temperature increasing. The ratio of isocynate and polyether between 1.1 and 1.2, the solid fraction was less then other ratios. In this research, the ratio of open cell was found almost 100%, however, there had non-uniformity cell size, over reaction those problem.

目 錄
中文摘要i
英文摘要ii
謝誌iii
目錄iv
表目錄vii
圖目錄viii
符號說明xii
第一章緒論1
第二章研究背景與文獻回顧
2.1隔熱保溫材料介紹4
2.2硬質PU泡綿熱傳模式探討10
2.3硬質PU泡綿真空保溫片的熱傳模式14
2.3.1氣體熱傳導16
2.3.2固體熱傳導18
2.3.3輻射熱傳導19
2.4聚氨基甲酸酯化學發泡原理24
第三章實驗分析與步驟
3.1實驗目的44
3.2預期目標44
3.3實驗設備45
3.4實驗藥品與材料48
3.5實驗步驟51
第四章結果與討論
4.1物性量測結果63
第五章 結論與建議
5.1結論87
5.2建議89
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