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研究生:林育劭
研究生(外文):Yo-Shao Lin
論文名稱:聚矽氧烷/聚醚-氨基甲酸酯共聚合體之相轉移區與型態
論文名稱(外文):Phase Transitions and Morphology Siloxane-Ether Urethane Copolymer
指導教授:莊富盛莊富盛引用關係
指導教授(外文):Fu-Cheng Chuang
學位類別:碩士
校院名稱:萬能科技大學
系所名稱:工程科技研究所
學門:工程學門
學類:綜合工程學類
論文種類:學術論文
論文出版年:2005
畢業學年度:93
語文別:中文
論文頁數:60
中文關鍵詞:聚氨基甲酸酯相分離焓鬆弛
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本研究於二甲基甲醯胺(DMF)/四氫呋喃(THF)混合溶劑中用一步法合成出聚矽氧烷/聚醚-氨基甲酸酯(PDMS/PTMG-PUBD)與聚矽氧烷/聚醚-醯亞氨氨基甲酸酯(PDMS/PTMG-PUIM)共聚合體,PDMS/PTMG-PUBD共聚合體的軟鏈結由聚丁醚二醇(PTMG)與聚二甲基矽氧烷二醇(PDMS)所組成、硬鏈結是1,4-丁二醇(1,4-BD)與4,4’-二苯甲基二異氰酸鹽(MDI)所組成的氨基甲酸酯基團,PDMS/PTMG-PUIM共聚合體的軟鏈結與PDMS/PTMG-PUBD共聚合體的相同,而其硬鏈結是3’,3’,4,4’-二苯基四羧酸二酸酐(DSDA)與MDI所回應形成的醯亞氨基團。共聚合體的相分離程度比以非極性PDMS為軟鏈結所得的氨基甲酸酯共聚合體低,這是因為於共聚合體軟鏈結中導入PTMG會增加軟硬鏈結的相容性。DSC測驗結果顯示PDMS/PTMG-PUBD與PDMS/PTMG-PUIM共聚合體軟硬鏈結的相轉移行為,共聚合體軟鏈結相轉移是指PTMG與PDMS的相行為,而只有PDMS/PTMG-PUIM共聚合體有出現結晶相行為。共聚合體出現兩個吸熱區域,其分別與短有序硬鏈結區與長有序硬鏈結區(Region I與Region II)有關,出現下100℃與160℃附近,由老化測試(annealing measurement)說明此吸熱行為與物理老化的焓鬆弛有關。而高硬鏈結含量的PDMS/PTMG-PUBD共聚合體樣品經高溫熱處理一段時間後出現硬鏈結結晶(Region III)。
Siloxane-ether urethane (PDMS/PTMG-PUBD) and siloxane-ether-imide urethane (PDMS/PTMG-PUIM) copolymers prepared from a one step method in the N,N-Dimethyformamide(DMF)/tetrahydrofuran(THF) mixed solvent. The soft-segment of PDMS/PTMG-PU copolymers consist of polydimethylsiloxane (PDMS) and polytetramethylene glycol (PTMG) and hard-segment is urethane segment reacting from 1,4-butane diol(1,4-BD) and 4,4-diphenylmethane diisocyanate(MDI). The soft segment of PDMS/PTMG-PUIM was similar to PDMS/PTMG-PUBD but hard-segment is a imide segment consisting of 3,3', 4,4'-Diphenylsulfone-tetracarboxylic Dianhydride(DSDA) and MDI. The phase-separation degree of copolymers was lower than that the non-polar PDMS polyurethane because the copolymers incorporated PTMG in the soft-segment to increased the miscibility between soft segment and hard segment. The PDMS/PTMG-PUBD and PDMS/PTMG-PUIM in the differential scanning calorimeter (DSC) exhibited soft- and hard-segmented phase-transition. The soft-segmented phase-transition PDMS/PTMG-PUBD and PDMS/PTMG-PUIM including the PDMS and PTMG amorphous phase-transition but the crystal phase-transition only presented on the melting-quenched PDMS/PTMG-PUIM copolymers. There were two endothermal regions, which were respectively the short-range ordering and the long-range ordering of hard segment domains(Region I and II), displaying at around 100℃ and 160℃. The endothermic behavior was demonstrated by annealing measurement displaying was a enthalpy relaxation resulting from prolonged physical aging. Furthermore, the hard-segmented crystal (Region III) appeared on the high hard-segment content of PDMS/PTMG-PUBD sample annealing for a period.
中文摘要.........................................Ⅰ
英文摘要.........................................Ⅱ
誌謝.............................................Ⅲ
目錄.............................................Ⅳ
表目錄...........................................Ⅵ
圖目錄...........................................Ⅶ
第一章 前言.......................................1
1.1聚氨基甲酸酯發展與用途.........................1
1.2聚矽氧烷特性與用途......................1
1.3文獻回顧................................2
1.3.1聚氨基甲酸酯結構...................2
1.3.2聚氨基甲酸酯熱行為與型態...........3
1.3.3聚氨基甲酸酯機械性質...............6
1.4研究目的................................8
第二章 實驗.......................................9
2.1實驗流程.................................9
2.2實驗材料................................10
2.2.1硬鏈節部份........................10
2.2.2軟鏈節部分........................11
2.2.3溶劑..............................11
2.2.4催化劑............................11
2.3聚矽氧烷/聚醚-氨基甲酸共聚合體合成.....12
2.3.1以1,4-丁二醇為鏈延長劑之聚矽氧烷/
聚醚-氨基甲酸酯共聚體(PDMS/PTMG-
PUBD) 製備.......................12
2.3.2以二酸酐為鏈延長劑之聚矽氧烷/聚醚-
氨基甲酸酯共聚合體(PDMS/PTMG-PUIM)
製備.............................15
2.4實驗測試...............................18
2.4.1傅式紅外線光譜分析(FTIR).......18
2.4.2掃描式熱差分析儀(DSC)..........18
2.4.2.1相轉移區測試...............18
2.4.2.2 緩冷效應測試..............18
第三章 結果與討論................................19
3.1霍氏紅外線光譜..........................19
3.2軟鏈段與硬鏈段之相轉移區................23
3.2.1軟鏈節相轉移區....................24
3.2.1.1聚矽氧烷/聚醚-氨基甲酸酯
(PDMS/PTMG-PUBD)軟鏈節相轉移
區..........................24
3.2.1.2聚矽氧烷/聚醚-氨基甲酸酯-醯亞
胺(PDMS/PTMG-PUIM)共聚合體
軟鏈節相轉移區..............30
3.2.2不同硬鏈節含量在軟鏈節相的影響....35
3.2.2.1硬鏈節含量在PDMS/PTMG-PUBD
軟鏈節相轉移區影響..........35
3.2.2.2硬鏈節含量在PDMS/PTMG-PUIM
軟鏈節相轉移區影響..........39
3.2.3硬鏈節相轉移區....................43
3.2.3.1 PDMS/PTMG-PUBD共聚合體硬鏈
節相轉移區................43
3.2.3.2 PDMS/PTMG-PUIM共聚合體硬鏈
節相轉移區................47
3.3緩冷在PDMS/PTMG-PUBD共聚合體之硬鏈節型
態的效應...............................50
3.3.1溫度效應..........................51
3.3.2時間效應..........................53
第四章 結論......................................56
第五章 參考文獻..................................57

表 目 錄
表2.1 PDMS/PTMG-PUBD共聚合體合成比例與成份........14
表2.2 PDMS/PTMG-PUIM共聚合體合成比例與成份........17
表3.2.1聚矽氧烷/聚醚-氨基甲酸酯樣品初始掃瞄之軟鏈
段玻璃轉移區溫度............................27
表3.2.2聚矽氧烷/聚醚-氨基甲酸酯樣品熔融-急冷掃瞄之
軟鏈段玻璃轉移區
溫度........................................28
表3.2.3聚矽氧烷/聚醚-氨基甲酸酯-醯亞胺初始掃瞄軟鏈
節相轉移區溫度..............................32
表3.2.4聚矽氧烷/聚醚-氨基甲酸酯-醯亞胺初熔融-急冷
掃瞄軟鏈節相轉移區溫度.....................33
表3.2.5 PDMS/PTMG-PUBD共聚合體高硬鏈節含量樣品初
始掃瞄之軟鏈段玻璃轉移區溫度................36
表3.2.6 PDMS/PTMG-PUBD共聚合體高硬鏈節含量樣品熔融
-掃瞄掃瞄之軟鏈段玻璃轉移區溫度............37
表3.2.7 PDMS/PTMG-PUIM共聚合體高醯亞胺含樣品量初始
掃瞄軟鏈段玻璃轉移溫度.....................40
表3.2.8 PDMS/PTMG-PUIM共聚合體高醯亞胺含樣品熔融-急
冷掃瞄之軟鏈段玻璃轉移區溫度...............41

圖 目 錄
圖1.1 硬鏈節區域(Region I~III)的型態模型..........5
圖2.1 實驗流程圖..................................9
圖2.2 PDMS/PTMG-PUBD共聚合體反應式...............13
圖2.3 PDMS/PTMG-PUIM共聚合體反應式...............16
國3.1.1 BD-20樣品FTIR光譜圖......................20
國3.1.2 PD-20樣品FTIR光譜圖......................20
圖3.1.3 (a)(b)PDMS/PTMG-PUBD系列光譜圖...........21
圖3.1.4 (a)(b)PDMS/PTMG-PUIM 系列光譜圖..........22
圖3.2.1聚矽氧烷/聚醚-氨基甲酸酯樣品軟鏈段初始掃瞄
DSC圖......................................29
圖3.2.2聚矽氧烷/聚醚-氨基甲酸酯樣品軟鏈段熔融-急冷
掃瞄DSC圖..................................29
圖3.2.3聚矽氧烷/聚醚-氨基甲酸酯-醯亞胺樣品軟鏈段初
始掃瞄DSC圖................................34
圖3.2.4聚矽氧烷/聚醚-氨基甲酸酯-醯亞胺樣品軟鏈段熔
融-急冷掃瞄DSC圖..........................34
圖3.2.5 PDMS/PTMG-PUBD共聚合體高硬鏈節含量樣品初始
掃瞄DSC圖.................................38
圖3.2.6 PDMS/PTMG-PUBD共聚合體高硬鏈節含量樣品熔融
-急冷掃瞄DSC圖.............................38
圖3.2.7 PDMS/PTMG-PUIM共聚合體高醯亞胺含樣品初始掃
瞄DSC圖...................................42
圖3.2.8 PDMS/PTMG-PUIM共聚合體高醯亞胺含樣品熔融-
掃瞄掃瞄DSC圖.............................42
圖3.2.9 PDMS/PTMG-PUBD樣品初始掃瞄DSC圖..........45
圖3.2.10 PDMS/PTMG-PUBD樣品熔融-急冷掃瞄 DSC圖...45
圖3.2.11高硬鏈節含量PDMS/PTMG-PUBD樣品初始掃瞄DSC
圖.......................................46
圖3.2.12高硬鏈節含量PDMS/PTMG-PUBD樣品熔融-急冷掃
瞄DSC圖..................................46
圖3.2.13 PDMS/PTMG-PUIM樣品初始掃瞄DSC圖.........48
圖3.2.14 PDMS/PTMG-PUIM樣品熔融-急冷掃瞄 DSC圖...48
圖3.2.15高醯亞胺含量PDMS/PTMG-PUIM樣品初始掃瞄DSC
圖.......................................49
圖3.2.16高醯亞胺含量PDMS/PTMG-PUIM樣品熔融-急冷掃
瞄DSC圖..................................49
圖 3.3.1 樣品BD40分別在不同溫度下持溫三小時所的
DSC圖....................................52
圖 3.3.2樣品BD40在80℃下進行不同緩冷時間之DSC圖形54
圖 3.3.3樣品BD40在120℃下進行不同緩冷時間之DSC圖
形........................................54
圖 3.3.4樣品BD40在160℃下進行不同緩冷時間之DSC圖
形........................................55

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