本研究藉由熔融混煉法製備聚苯乙烯(PS)與熱塑性聚酯彈性(TPEE)之合膠，並討論合膠混煉條件與TPEE分散相型態關係，再以光學顯微鏡及場發式電子顯微鏡(FE-SEM)觀察合膠微結構。由於高分子合膠分相行為尚無完備之理論，因此參考牛頓溶液分相理論。依據其理論在兩相系統中，分散相型態除了受剪切流場影響外，尚受兩相黏度比影響。因此本研究首先以流變儀檢定各種材料在不同剪切率及溫度下黏度比，再與顯微鏡觀察結果比較，確認分散相型態與黏度比之關係。
PS與TPEE之合膠為兩相不相容，而偏光顯微鏡可以分辨出結晶性的TPEE及其型態。曾用不同處理方式之樣品觀察，如：溶劑法、合膠切片、及冷凍斷面，並檢定分散相結構及粒徑分布。結果顯示在實驗範圍內，使用高黏度基材降低合膠黏度比時觀察到分散相粒徑分布較大且有較嚴重拉伸變形，使用較低黏度基材降低合膠黏度比分散相較粒徑較小而分散相顆粒多呈圓形。在較高溫度下提高混煉轉速對縮小粒徑效果較明顯且能減少顆粒變形。TPEE與PS比例3:7分散相為顆粒狀TPEE，而4:6則容易形成共連續相。

Polystyrene(PS)and thermoplastic ester elastomer(TPEE) blends were prepared by melt blending in this study. Investigating the differences of dispersed phase by changing blending conditions. The microstructures and dispersed phases of blends phase were confirmed by optical microscope and field-emission scanning electron microscope(FE-SEM). Because of the theory of polymer blend phase behavior was incomplete. According to the Newtonian solution phase theory, apart from the shear rate, viscosity ratio largely effected the form of phase. The relation between viscosity ratio, shear rate and temperature were tested by rheometers, and verified the relation between the form of dispersed phase between viscosity ratio.
The phase of blends can be confirmed by polarized optical microscope. Various pretreatments were used to prepare specimens of microscope, such as solvent etching method, ultracut, and freeze-fracture. According to the result, larger and deformed TPEE particles were observed at lower viscosity ratio with high viscosity matrix; smaller particles were observed at higher viscosity ratio with lower viscosity matrix. The effect of increasing mixing speed on reducing particle size was more significant at higher temperature. Meanwhile, higher temperature also reduced deformation of particles. Particle-like TPEE dispersed phase were observed at lower content of TPEE(3:7), and co-continuous phase were observed at higher content of TPEE(4:6).

Abstract I
摘要 II
目錄 III
圖目錄 VII
表目錄 XII
壹、緒論 1
1-1 研究背景與動機 1
1-2 研究方法與目的 2
貳、文獻回顧 3
2-1 3D列印技術簡介 3
2-2 選擇雷射燒結技術簡介 4
2-2-1 燒結粉體製備 5
2-2-2 燒結粉體粒徑對成品的影響 9
2-3 燒結粉體材料簡介 12
2-3-1 聚醯胺 12
2-3-2 聚乳酸 13
2-3-3 熱塑性彈性體 13
2-3-4 熱塑性聚酯彈性體 15
2-4 分相行為 18
2-4-1 高分子合膠 18
2-4-2 介面層的形成 20
2-4-3 界面張力 21
2-4-4 兩相系統的分散相變化 21
2-4-5 黏度比、毛細管數Ca對分散相型態之影響 22
2-4-6 塑譜儀的剪切分散 26
2-5 流變性質 28
2-5-1 流變性質概述 28
2-5-3 合膠之流變性質 33
參、實驗材料與方法 36
3-1 實驗材料 36
3-2 合膠製備 37
3-3 熱性質分析 37
3-3-1 熱重分析儀 37
3-3-2 調制式熱示差掃描卡計 37
3-4 流變性質分析 39
3-4-1 旋轉式流變儀 39
3-4-2 毛細管流變儀 39
3-5 微結構觀察及分析 39
3-5-1 光學顯微鏡與樣品製作 39
3-5-2 熱場式場發掃描式電子顯微鏡 (FE-SEM) 42
3-5 實驗儀器總表 44
肆、結果與討論 45
4-1 低黏度基材合膠 45
4-1-1 熱性質分析 45
4-1-2 流變性質分析 47
4-1-3 固定溫度改變轉速 53
4-1-4 固定轉速改變溫度 67
4-1-5 改變組成 69
4-2 中黏度基材合膠 70
4-2-1 熱性質分析 70
4-2-2 流變性質分析 72
4-2-3 固定溫度改變轉速 78
4-2-4 固定轉速改變溫度 92
4-2-5 改變組成 94
4-3 高黏度基材合膠 95
4-3-1 熱性質分析 95
4-3-2 流變性質分析 97
4-3-3 固定溫度改變轉速 103
4-3-4 固定轉速改變溫度 117
4-3-5 改變組成 119
4-3-6 黏度比對分散相粒徑影響 120
伍、結論及未來方向 122
5-1 流變性質與黏度比 122
5-2 塑譜儀混煉 122
5-3 混煉條件對分散相形態影響 122
5-4 基材對分散相形態影響 123
5-5 組成對顆粒分散之影響 124
陸、參考文獻 125

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