中文摘要
從兩個新的二胺單體合成含有雜環側基的聚醯亞胺。新的二胺單體(3a與3b)是由苯二酚單體(4,4´-isopropylidenediphenol 與4,4´-(hexafluoroisopropylidene)diphenol)分別在K2CO3中與3-(2-benzothiazole)-4-chloronitrobenzene進行親核性取代反應得到二硝基單體，在經由還原成二胺單體。含有雜環聚醚醯亞胺是由新的二胺單體(3a與3b)與芳香族二酸酐，在室溫下進行開環反應成為聚醯胺酸，之後在isoquinoline催化下閉環反應得到聚醯亞胺(5與6)。它們的固有黏度在0.31~0.71dl/g之間，這些高分子在測試溶劑具有好的溶解性可溶於NMP、DMAc與THF等溶劑，甚至於由堅硬pyromellitic dianhydride(PMDA)所合成的聚醯亞胺也可溶於NMP與DMAc，這些高分子可經由溶液方式塗佈成具韌性薄膜，這些薄膜具有抗張強度為64~120 MPa，斷裂伸長率為3~8﹪，玻璃轉移溫度範圍為264~318℃，而由TGA分析測得它們在空氣及氮氣400℃下，幾乎沒有重量損失，維持好的熱安定性。含有雜環側基的聚醯亞胺比沒有雜環側基之聚醯亞胺類似物之玻璃轉移溫度增加約16~53℃左右。

Abstract
A series of polyimides containing benzothiazole pendent groups were synthesized from two new diamines. The diamines(3a and 3b) were derived by a nuclephilic substitution of the bisphenols (4,4´-isopropylidendiphenol and 4,4´-(hexafluoroisopropylidene)di- phenol) with 3-(2-benzothiazole)-4-chloronitrobenzene in the presence of K2CO3 and then were reduced. A series of poly(ether imide)s bearing benzothiazole pendent groups were prepared from the diamines 3 with various aromatic dianhydride via the one-step method that included ring-opening polyaddition to form the poly(amic acid)s followed by chemical imidization to the polyimides(5 and 6). The polyimides with inherent viscosities ranging from 0.31 to 0.71 dl/g showed good solubilities in common solvents such as 1-methyl-2-pyrrolidinone (NMP), N,N-dimethylacetamide(DMAc), chloroform, and tetrahydro- furan. The polyimide derived from pyromellitic dianhydride(PMDA) was even soluble in NMP and DMAc. Tough, transparent films of the soluble polyimides were cast from solution. These films have tensile strengths of 64-120 Mpa, and elongations to break of 3-8 ﹪. Glass transition temperatures ranged from 264 to 318°C and above with the polymers showing little or no weight loss by TGA up to 400°C in both air and nitrogen. The glass transition temperatures of the polyimides increased 16 to 53°C (compared to the polyimide analogs without benzothiazole pendent groups).

目 錄
中文摘要…………………………………………………………… Ⅰ
Abstract……………………………………...……………………… Ⅱ
目錄………………………………………………………………… Ⅲ
圖表索引………………………………………………………… ⅠⅤ
第一章 緒論………………………………………………………..1
1-1 前言……………………………………………………………..1
1-2 擬進行的研究……………………………………………… ….3
第二章 實驗………………………………………………………..5
2-1 實驗藥品………………………………………………………..5
2-2 單體鑑定及聚合物之物性與化性分析………………………..7
2-3 實驗程序……………………………………………………….10
2-3-1單體製備……………………………………………………….10
2-3-2 聚醯亞胺的合成…………………...………………………15
第三章 結果與討論……………………………………………..17
3-1 2,2-Bis[4-(4-amino-2-(2-benzothiazole)phenoxy)phenyl]propa-
ne2,2-Bis[4-(4-amino-2-(2-benzothiazole)phenoxy) phe- nyl] hexafluoropropane……………………………………………17
3-1-1 單體製備…………………………………………………….17
3-1-2 聚醯亞胺之合成…………………………………………….17
3-1-3 聚醯亞胺的物性分析……………………………………….20
第四章 結論………………………………………………………24
參考文獻………………………………………………………………25
圖 表 索 引
Figure 1. DMA curve for polyimide 5a at heating rate of
5℃/min in N2……………………………………...………27
Figure 2. DMA curve for polyimide 6d at heating rate of
5℃/min in N2…………………………………………...…28
Figure 3. TGA curve for polyimide 5c at a heating rate of 10℃/min in air……………………………………………………...…29
Figure 4. TGA curve for polyimide 5c at a heating rate of 10℃/min in N2…………………………………………………...……30

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