臺灣博碩士論文加值系統

聚硫化苯PPS與耐隆66的聚摻合系統，必須要使用相容劑讓這兩種不互溶的高分子之間的相界面具有足夠的黏著性。以電漿將PA66表面活化，再與甲基丙烯酸環氧丙酯GMA單體，進行表面接枝的聚合反應，讓PA66帶有環氧基。研究工作主要是探討經電漿改質的mPA66之環氧基官能基接枝密度與合成反應條件的關係，及mPA66與PPS的摻合加工所形成的奈米尺度的形態結構。另外，可添加馬來酸酐MAH使聚硫化苯PPS接上酸酐基，增加反應活性。研究工作以紅外光譜儀、化學滴定等分析定量化學改質接枝程度，並探討其反應機制。分析在相界面原位合成之相容共聚合體的密度與結構，及不同相容條件對聚摻合體之奈米相形態(morphology)和物性的變化。

Polyphenylene Sulfide PPS and Polyamide6、6 PA66 blend is Immiscible .It needs compatibilizer to improve its interfacial adhesion. The present study is planed to synthesize the compatibilizer copolymer in-situ in the interface during blending process and the nanoscale phase morphology of blends. The modification of PA6、6 is firstly activated by plasma reaction and followed by the grafting of GMA. The modified Polyamide mPA66 functionalized with epoxide groups is used to react furthermore with thio or tiolate group at the chain end of PPS. Such mutual reaction between PPS and mPA66 forms compatibilizer copolymer in-situ and stabilize the phases in the blend system. Detail study will cover the grafting efficiency, compatibility effect and the bi-continuous phase behavior of blends.

第一章 前言…..……………………………………………….…1
1.1 研究動機…………..……………………………………..1
1.2 研究目的…………..……………………………………..3
1.3 參考文獻………..………………………………………..5
第二章 文獻與理論… ...………………………………………….6
2.1 高分子摻合…………………………………….…………6
2.1.1 聚摻合體簡介與聚摻合的方法………...……………….6
2.1.2 相容性的探討……………………………………………7
2.1.3 PPS/PA66之反應原理……..……………………………8
2.2 化學改質接枝…………………………………………...12
2.2.1 電漿活化………...……………………………………...12
2.2.2 接枝反應………………………………………………..16
2.2.3 PPS與m-PA66反應….…………..……………………17
2.3 摻合體共連續系統物理性質與相形態結構…………...19
2.3.1 摻合體共連續系統之黏彈行為………...……….……..19
2.3.2 聚合體共連續系統之結晶行為………...……………...23
2.2.3 聚合體共連續系統之相形態… ……………………..25
2.3 參考文獻……………...………………………………..27
第三章 添加反應性單體之PPS/PA66摻合系統……..………31
3.1 前言………..…………………………………………..31
3.2 實驗………..…………………………………………..32
3.2.1 實驗藥品……….……………………………………...33
3.2.2 實驗儀器……….……………………………………...34
3.2.3 實驗步驟……….……………………………………...35
3.2.3.1 氨基(-NH2)與酸酐基(-COOOC-)反應性之確認……35
3.2.3.2 PPS/PA66摻合系統…………………………….……37
3.3 結果與討論……………………………..…………….43
3.3.1 氨基(-NH2)與酸酐基(-OCOCO-)反應性之分析…...43
3.3.2 PPS/PA66摻合系統相界面之FTIR定量分析…….45
3.3.3 SEM微觀相形態的觀察……………………………54
3.4 結論…………………………………………………..58
第四章 電漿活化改質…………………………………….….59
4.1前言…………………………………………………..59
4.2實驗…..……………………………………………….60
4.2.1 實驗藥品………………………………………………60
4.2.2實驗儀器………………………………………………61
4.2.3實驗步驟………………………………………………65
4.2.3.1電漿活化改質…..………..………...………………….65
4.2.3.2 接枝聚GMA定性與定量分析….…………….………68
4.3 結果與討論……………………….…………….……...72
4.3.1 PA66電漿活化接枝GMA之FTIR定性分析..……..72
4.3.2 PA66電漿活化接枝聚GMA定量分析…..………….76
4.4 結論…..………………………………………………...80
4.5 參考文獻…..…………………………………….……..81
第五章 共連續形態之探討…..………………………………...82
5.1 前言..…………………………………………………...82
5.2 實驗..…………………………………………………...83
5.2.1 實驗藥品…..…………………………………………..83
5.2.2 實驗儀器…..…………………………………………..84
5.2.3 實驗步驟…..…………………………..………………85
5.2.3.1 PPS/m-PA66摻合系統………………………………...85
5.2.3.2 SEM微觀形態的觀察…………………………………87
5.2.3.3 DSC熱行為之分析……………………………………90
5.2.3.4 平行板式流變儀(Parallel disks plate rheometer)黏度測試………………………………………………………91
5.2.3.5 DMTA動態機械測試………………………………….92
5.3 結果與討論…………………………………………….93
5.3.1 相容性的探討…………………………………………93
5.3.2 共連續相之相形態……………………………………96
5.3.3 共連續形態之結晶行為……………………………..102
5.3.4 共連續態之流變行為………………………………..106
5.3.5 共連續態之DMTA動態機械測試分析……….……107
5.4 結論………………………………………………….111
5.5 參考文獻…………………………………………….112
第六章結論……………………………………………………….113
第七章 附錄……………………………………………………….114

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