本研究合成雙分子型界面活性劑，其結構以聚乙二醇(Polyethylene glycol)、馬來酸酐(Maleic anhydride)、油酸(Oleic acid)為主，合成一系列非離子界面活性劑。合成產物以傅立葉紅外光譜 分析儀(FT-IR)確認分子結構，所測試之界面性質包括表面張力、濕潤性、起泡性、pH緩衝能 力等性質。由界面性質結果顯示合成產物具有降低表面張力、高起泡性等性質。從pH緩衝測 試得知，產物化學結構之基團能與H+離子結合，使溶液中的H+離子濃度緩慢增加。

In this study, Synthesis of Gemini surfactants, the structure with Polyethylene glycol, Maleic anhydride, Oleic acid -based, synthesis of a series of non-ionic surfactants. The structure of these surfactants were confirmed by FT-IR, we explore the surface activities, including Surface Tension, Wettability, foaming, pH buffering capacity, the results displays that the interfacial properties of the synthesized product having reduced surface tension, high foaming and other properties. From the pH buffering test, the chemical structure of the product groups with the H+ ions in the solution of the H+ ion concentration increases slowly.