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研究生:陳智仁
研究生(外文):Chih-Jen Chen
論文名稱:聚對苯二甲酸乙二酯結晶形態
論文名稱(外文):Crystallization Morphology of Poly(ethylene terephthalate)
指導教授:余子隆林秀麗林秀麗引用關係
指導教授(外文):Tzyy-Lung YuHsiu-Li Lin
學位類別:碩士
校院名稱:元智大學
系所名稱:化學工程研究所
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2001
畢業學年度:89
語文別:中文
論文頁數:131
中文關鍵詞:聚對苯二甲酸乙二酯偏光顯微鏡光散射
外文關鍵詞:Poly(ethylene terephthalate)Optical microscopeLight scattering
相關次數:
  • 被引用被引用:5
  • 點閱點閱:312
  • 評分評分:
  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:2
聚對苯二甲酸乙二酯結晶形態
學生:陳智仁 指導教授:余子隆
元智大學
化學工程學系
摘要
我們針對聚對苯二甲酸乙二酯PET以偏光顯微鏡及Hv光散射從事高溫(190~230℃)的結晶研究。我們發現球晶在低於220℃以下是負型的正常球晶。當結晶溫度高於220℃以上時,球晶晶片分子鏈排列是負型正常球晶與正型的異常球晶的混合隨著結晶溫度上升正型的異常球晶含量逐漸增加而負型球晶的正常球晶含量逐漸減少。由此初步數據我們大概可判斷PET球晶內部晶片及分子鍵在220℃以下晶片分子鏈是平躺於球晶表面。當結晶溫度高於220℃以上隨著溫度的提高,晶片分子鏈逐漸傾斜站立於球晶表面。
Crystallization Morphology of Poly(ethylene terephthalate)
Student : Chih-Jen Chen Advisor : Dr. T L. Yu
Institute of Chemical Engineering Yuan-Ze Iniversity
Abstrate
Crystallization of poly(ethylene terephthalate)(PET) at high temperature (190℃~230℃) was studied using optical microscope(POM) and small angle laser light scattering . The spherulite of PET crystalline was a negative usual type while it was crystallized at a temperature below 220℃. As PET was crystallized above 220℃than 220℃, the spherulite composed mixture of usual negative type and unusual positive types. The content of unusual positive type increased with increasing crystallization temperature. These result suggest that lamellae molecular chains lie on the surface of spherulite while PET was crystallized at a temperature below 220℃,and more and more lamellae molecular chains stand and tilt on the surface of crystallites as crystallization temperature was increased from
220℃ to 230℃.
目錄
中文摘要 Ⅰ
英文摘要 Ⅱ
誌謝 Ⅲ
目錄 Ⅳ
圖目錄 Ⅵ
表目錄 Ⅹ
一、簡介 1
1.1 研究目的 1
1.2 PET之性質與特性 1
1.3 PET結晶 2
二、文獻回顧 6
2.1結晶型態學 6
2.2球晶 6
2.3正負型球晶 13
2.4結晶動力學 15
2.5小角度光散射 18
三、實驗儀器及步驟 21
3.1實驗樣品 21
3.2實驗儀器 21
3.3實驗步驟 23
四、結果與討論 25
4.1玻璃轉移溫度(Tg)、結晶溫度(Tc)及結晶熔點(Tm)測定 25
4.2聚酯之恆溫結晶 27
4.3結晶融解研究 28
4.4偏光顯微鏡之研究 33
4.5光散射研究 61
4.5-1 CCD光散射照片 61
4.5-2 光散射PDA偵測 80
4.6 原子力顯微鏡之研究 108
五、結論 119
六、參考文獻 123
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