親水性離子液體 [BMIM][BF4] 與聚 (N-異丙基丙烯醯胺) (PNIPAM) 分別與陰離子型界面活性劑十二烷基硫酸鈉 (SDS) 都有相互作用力的存在；因此在本研究中將探討的是 [BMIM][BF4]/PNIPAM/SDS 混合系統，更進一步的研究此混合系統中之相互作用力及SDS 叢集的變化。
本研究中主要是用螢光光譜探討 PNIPAM/[BMIM][BF4]/SDS系統；由其結果發現PNIPAM 先與 SDS及 [BMIM][BF4] 形成三成分複合微胞，而之後接著有SDS/[BMIM][BF4] 複合微胞的形成；另外再由表面張力及黏度等實驗，則發此系統中高分子型態以及溶液性質會隨著[BMIM][BF4] 濃度變化而改變。
另外使用螢光光譜實驗來比較兩個高分子系統之間的差異；在水溶
液系統中高分子與 SDS 分子作用力大小，PEO < PNIPAM ，而結果顯
示PEO與SDS作用不大，而是與 [BMIM][BF4] 作用後環繞於微胞外部，
並不穿過微胞，因此添加PEO並不影響系統中微胞的生成。

The main purpose of the study is to explore the extremely different behaviors toward sodium dodecyl sulfate (SDS) shown by poly(N-isopropyla crylamide) (PNIPAM) and 1-butyl-3-methyl-imidazolium tetrafluorobromide ([BMIM][BF4]), in the present study we put PNIPAM, [BMIM][BF4] and SDS into one aqueous system and [BMIM][BF4] added with several different concentrations.
In Part I of this study, we started our investigation of the PNIPAM/ [BMIM][BF4]/SDS ternary aqueous system by pyrene fluorescence. From [I1/I3]py , we know that the cac are smaller in the polymer added ternary aquesous system than just in the binary one, and the microstructure of the complexes in the former are kind of different from the latter. Further more, we took the surface tension and viscosity measurements to get more information for what’s happening in the ternary aqueous system.
In Part II, we focus on the PNIPAM/[BMIM][BF4]/SDS aqueous system by pyrene fluorescence and compared with PEO/[BMIM][BF4]/SDS aqueous system. The polymer-surfactant interactions in the PEO/SDS binary aqueous system are somewhat different from PNIPAM/SDS binary aqueous system. We also can see the different behaviors between the two homopolymers in the ternary aqueous system.

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