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研究生:蘇子寧
研究生(外文):Tzu-Ning Su
論文名稱:環氧樹脂添加聚矽氮烷發泡結構與性能相關性之研究
論文名稱(外文):The Relationship between Foam Structure and Performance of Epoxy/Polysilazane Systems
指導教授:邱智瑋邱顯堂
指導教授(外文):Chih-Wei ChiuHsien-Tang Chiu
口試委員:游進陽吳昌謀
口試委員(外文):Chin-Yang YuChang-Mou Wu
口試日期:2019-07-16
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:材料科學與工程系
學門:工程學門
學類:材料工程學類
論文種類:學術論文
論文出版年:2019
畢業學年度:107
語文別:中文
論文頁數:112
中文關鍵詞:環氧樹脂聚矽氮烷發泡行為
外文關鍵詞:EpoxyPolysilazanefoaming reaction
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本研究旨在探討雙酚A 型環氧樹脂與有機聚矽氮烷混摻後,環氧
樹脂之交聯反應與添加聚矽氮烷之發泡反應,兩者相互競爭下發泡材
之物性研究,找出最適化加工條件與發泡結構性能之相關性。環氧樹
脂與硬化劑設定比例為2:1.5,第一部分依聚矽氮烷添加量之不同設
計配方攪拌後放入模具進行發泡,研究中採用DSC、FTIR 進行基材
之分析,決定加工之溫度、時間及交聯反應式;以GC-mass 測定產
生氣體種類;以HIDEN 驗證產氣行為之速率;使用流變儀模擬發泡
過程環氧樹脂交聯反應的黏度變化,使用OM 觀測發泡之孔洞型態;
對發泡後之樣品測試密度、抗壓強度、壓縮永久變形、硬度、耐候性
等性質。實驗結果發現聚矽氮烷添加量與發泡倍率成正比,與物性成
反比。
第二部份利用加工參數的調整,以最少添加量之聚矽氮烷獲取最
大發泡量,降低環氧樹脂交聯速率以延長產氣量效果不彰,是由於環
氧樹脂在各溫度交聯下黏度性質差異不大,而產氣量固定,故發泡效
果無顯著差異性。另在相同聚矽氮烷添加量下改變攪拌時間,增加環
氧樹脂與聚矽氮烷反應之碰撞機會,得產氣量增加,故攪拌時間與發
泡效率成正比。
The purpose of this study was to investigate the cross-linking
reaction and the foaming reaction between Bisphenol A epoxy resin,
amine hardener and polysilazane. Research found out the correlation
between the processing conditions and the physical properties of epoxy
foam. The ratio of epoxy resin to amine hardener is 2:1.5.
The first part investigated the correlation by adding different amount
of polysilazane. According to DSC and FTIR, determined the cross
linking reaction rate and processing temperature; GC-mass determined
the gas species; HIDEN verified the gas processing rate. We used
Rheometer to simulate foaming process, used OM to observe foaming
pore type. We test compression set, hardness, weather resistance for
physical properties. The experimental results show that more polysilazane
we add, higher foamability we got, but lower physical property we had.
We changed foaming process in the second part, decided to obtain the
maximum foamability with the minimum amount of polysilazane. It was
not influence on the foamability by lower the cross-linking rate. Because
the viscosity of epoxy was alike in different temperature, gas production
was fixed, so there was no significant difference in foaming effect.
When the stirring time was changed in the same amount of
polysilazane. Longer time we stirred, higher foamability we got. It was
because when the stirring time increased, the collision ratio between
epoxy and polysilazane was increased, and also increased the gas
production. So the stirring time is proportional to the foaming efficiency.
摘要................................................................................................................................. I
Abstract .......................................................................................................................... II
誌謝............................................................................................................................... III
圖目錄...........................................................................................................................VI
表目錄.........................................................................................................................VIII
第1 章 緒論............................................................................................................ 1
1.1 研究背景與動機........................................................................................ 1
1.2 研究目的.................................................................................................... 4
第2 章 文獻回顧.................................................................................................... 5
2.1 環氧樹脂簡介............................................................................................ 5
2.1.1 環氧樹脂之結構............................................................................ 6
2.1.2 環氧樹脂之合成及製造................................................................ 8
2.2 硬化劑...................................................................................................... 10
2.2.1 功能與分類.................................................................................. 10
2.2.2 胺類硬化機制.............................................................................. 13
2.2.3 胺類硬化劑特性.......................................................................... 19
2.3 聚矽氮烷.................................................................................................. 20
2.3.1 聚矽氮烷簡介.............................................................................. 20
2.3.2 合成及製造.................................................................................. 22
2.3.3 功能與應用.................................................................................. 26
2.4 塑料發泡.................................................................................................. 27
2.4.1 塑料發泡簡介.............................................................................. 27
2.4.2 發泡劑種類.................................................................................. 29
2.4.3 發泡反應...................................................................................... 32
2.4.4 均質成核與異質成核.................................................................. 37
第3 章 實驗.......................................................................................................... 41
3.1 實驗架構.................................................................................................. 41
3.2 實驗材料與配方...................................................................................... 42
3.2.1 實驗材料...................................................................................... 42
3.2.2 實驗配方...................................................................................... 43
3.3 測試與分析.............................................................................................. 44
3.3.1 樣品製備...................................................................................... 44
3.3.2 熱示差分析Differential Scanning Calorimetry (DSC) .............. 45
3.3.3 傅立葉轉換紅外線光譜儀.......................................................... 45
3.3.4 熱重損失分析 Thermogravimetry Analysis(TGA) .................... 46
3.3.5 流變儀 Rheometer ...................................................................... 46
3.3.6 氣相層析質譜分析...................................................................... 47
3.3.7 線上氣體分析質譜儀.................................................................. 47
3.3.8 密度測定...................................................................................... 48
3.3.9 發泡倍率...................................................................................... 48
3.3.10 發泡孔徑分析.............................................................................. 48
3.3.11 硬度(Hardness) ............................................................................ 48
3.3.12 耐候性測試.................................................................................. 49
3.3.13 熱傳導試驗.................................................................................. 49
3.3.14 抗壓強度試驗.............................................................................. 50
3.3.15 壓縮永久變形率(Compression Set) ............................................ 50
第4 章 結果與討論.............................................................................................. 51
4.1 熱性質分析.............................................................................................. 51
4.1.1 示差掃描量熱儀.......................................................................... 51
4.1.2 熱重損失分析儀.......................................................................... 56
4.2 化學性質分析.......................................................................................... 59
4.2.1 傅立葉轉換紅外線光譜儀.......................................................... 59
4.2.2 氣相層析質譜儀.......................................................................... 65
4.2.3 線上氣體分析質譜儀.................................................................. 68
4.3 物理性質分析.......................................................................................... 69
4.3.1 試片密度...................................................................................... 69
4.3.2 型態觀察...................................................................................... 72
4.3.3 流變儀(Rheometer) ..................................................................... 80
4.3.4 硬度試驗...................................................................................... 82
4.3.5 熱傳導試驗.................................................................................. 85
4.3.6 抗壓強度試驗.............................................................................. 87
4.3.7 壓縮永久變形率.......................................................................... 89
4.4 耐候性試驗.............................................................................................. 91
4.4.1 硬度試驗...................................................................................... 92
4.4.2 抗壓強度試驗.............................................................................. 95
第5 章 結論.......................................................................................................... 97
第6 章 參考文獻.................................................................................................. 98
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