含聚苯胺寡聚物改質鈦酸鋇之聚亞醯胺複合材料合成與介電性質研究

本論文提出一種高介電常數基板的製作方法，利用氧化偶合一步法合成穩定的半氧化半還原態之胺基封端苯胺三聚體(amine-capped aniline trimer; ACAT)並選用非共平面之二酸酐4,4‘-(isopropylidene-diphenoxy)bis(phthalic anhydride)，(BSAA)，同時加入改質及未改質的兩種粒徑(0.1 µm &0.7µm )鈦酸鋇(BaTiO3)進行電活性聚亞醯胺的合成。本論文在於研究聚亞醯胺與電活性聚亞醯胺之間的介電性質差異以及BaTiO3粒徑大小以及分散的情形對於介電性質的影響。研究結果顯示在添加相同顆粒大小(0.1µm & 0.7µm)及添加量(50 Vol%)的條件下，電活性聚亞醯胺之介電性質較聚亞醯胺增加52%(0.1µm)及40%(0.7µm)。在比較顆粒大小以及分散前後的情況，得到0.1µm BaTiO3添加量50 Vol%介電常數為32，介電損失為0.0152，0.7 µm BaTiO3介電常數為49，介電損失為0.0175。加入改質過後的鈦酸鋇0.1 µm添加量為50 Vol%介電質提高為52(上升62.5%)，介電損失稍微上升為0.0167，0.7 µm BaTiO3介電常數提升為65(上升32.7%)介電損失稍微上升為0.0189。這樣的結果顯示BaTiO3的粒徑大小對於介電性質有明顯的影響，經電活性聚亞醯改質過後的BaTiO3有助於分散效果能提高介電性質。

關鍵字

聚亞醯胺；苯胺三聚體；介電性質；鈦酸鋇

並列摘要

This paper presents a method for the production of high dielectric constant substrate. A non-coplanar dianhydride molecule (4,4-bis [4 - (dicarboxyphenoxy) phenyl] propane anhydride (BSAA) and emeraldine base (EB) were reacted by oxidative coupling of anti-step synthesis. In the manufacturing process, there are 2 kinds pure bariµm titanate and modified bariµm titanate were synthesized with polyimide, the particle size of the batio3 was 0.1 and 0.7 µm, respectively Dielectric constant of 32 and 49 are obtained at 50 Vol% content under 0.1 and 0.7 µm in particle size in a pure bariµm titanate. Moreover, a dielectric constant of 52 and 65 are also gained at 50 Vol% content under 0.1 and 0.7µm in Particle size in a modified bariµm titanate, respectively The experiment results demonstrate that a significant impact on dielectric properties depends on the particle size of bariµm titanate, a dispersion effect can enhance the dielectric properties by modified bariµm titanate. Furthermore, the particle size of Bariµm titanate and Dispersion state on the influence of dielectric properties will be studied and discussed in more detail.

並列關鍵字

bariµm titanate ； polyimide ； aniline trimmer ； dielectric constant

參考文獻

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含聚苯胺寡聚物改質鈦酸鋇之聚亞醯胺複合材料合成與介電性質研究

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