本論文合成烷基醚聚醯亞胺與一系列含氟的共聚醯亞胺，並對其物理性質如:固有黏度、熱性質、介電常數、可見光吸收度、穿透度與溶解度進行討論。
第一部份為3,3,4,4–二苯甲酮四羧酸二酐分別與1,4-雙(對胺苯氧基)丁烷和1,6-雙(對硝苯氧基)己烷進行聚合反應生成聚醯胺酸，再加熱形成聚醯亞胺，所合成皆為結晶型聚醯亞胺。其聚醯胺酸固有黏度分別為1.21dL/g與0.97dL/g。聚醯亞胺玻璃轉移溫度分別為202.9℃與186.7℃，而在氮氣中測得重量損失5%之熱裂解溫度高於450℃。
第二部份為2,2–雙(3,4-二羧苯基)六氟化丙烷二酸酐與1,4雙(4-胺-2-3氟甲苯氧基)-苯及2,7-雙(4-硝基苯氧基)萘依不同莫耳比例進行縮聚合反應，所合成含氟共聚醯亞胺皆為非結晶型，其共聚醯胺酸固有黏度介於0.72 dL/g〜1.04 dL/g之間。而共聚醯亞胺玻璃轉移溫度介於249℃〜298℃之間，且在氮氣中測得重量損失5%之熱裂解溫度高於500℃。所製成之均為無色透明且穿透度均在80%以上的薄膜。對有機溶劑具有不錯的溶解能力尤其是在吡啶溶劑中，其介電常數介於2.602〜2.904之間。

In this study, aliphatic ether-containing polyimides and fluorine-
containing copolyimides were synthesized and their inherent viscosities, thermal properties, dielectric constants, ultraviolet-visible absorptions, ultraviolet-visible transmissions and solubilities were also investigated.
In the first part of the study, aliphatic ether-containing polyimides have been synthesized from the polymerization of 3,3,4,4-benzo-phenone tetracarboxylic dianhydride with 1,4-Bis(4-aminophenoxy)butane or 1,6- Bis(4-aminophenoxy)hexane monomer yielded polyamic acid followed by heating to give polyimides. Their inherent viscosities of polyamic acid were 1.21 dL/g and 0.97 dL/g. The glass transition temperatures of
polyimides were 202.9℃ and 186.7℃ and their decomposition temperatures at 5% weight loss were above 450℃ under nitrogen
atmosphere.
In the second part of the study, several amorphous fluorine- containing copolyimides were synthesized by the reaction of 2,2-Bis-(3,4-
dicarboxy-yl) hexafluoropropane dianhydride with various ratios of 1,4-
(4-amino-2-trifluoromethyloxy)benzene to 2,7-Bis(4-amino-phenoxy)-
naphthalene . Their inherent viscosities of polyamic acids were between 0.72 dL/g and 1.04 dL/g. The glass transition temperatures of these co-
polyimides were found to be 249℃-298℃ and their decomposition temperatures at 5% weight loss in nitrogen atmosphere were above 500℃. The copolyimide films were colorless with transmission above 80%. These copolyimides were highly soluble in a variety of organic solvents
,especially pyridine. These copolyimides had dielectric constants ranging from 2.602 to 2.904.

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