本研究利用γ-aminopropyltriethoxysilane (APTES)與1,3-propane sulton反應合成帶有磺酸根之前趨物APPS，而後經由溶膠法(sol-gel process)結合3-glycidoxypropyltrimethoxysilane (GPTMS)與poly(ethylene glycol) (PEG)製備成聚乙烯醚/聚矽氧烷混成型質子傳導膜。研究結果顯示，此系列質子傳導膜具有不錯的熱穩定性；由FT-IR及13C CP/MAS NMR可發現，質子傳導膜內具有可產生氫鍵作用力的位置，有助於質子傳遞的運動。DSC結果顯示，質子傳導膜具有一個Tg，且隨著APPS含量增加而上升；在導入PEG鏈段後會有相分離的現象產生。此外，聚乙烯醚鏈段的導入，更使含水率與質子傳導度有明顯的提升，質子傳導度於85C相對溼度95%可達3.5× 10-2 Scm-1。

　A new class of proton-conducting hybrid membranes based on alkylsulfonated γ-aminopropyltriethoxysilane (APPS), 3-glycidoxypropyltrimethoxysilane (GPTMS) and polyethylene glycol were synthesized via sol-gel process. From TGA analysis, these hybrid membranes possess good thermal stability. As evidenced in FT-IR, 13C CP/MAS NMR spectra, inter-/intra molecular interactions can be detected within these hybrid membranes. From DSC results, only one glass transition temperature is observed, and it increases with the increasing of APPS content within these hybrids. Significantly, the proton conductivity is enhanced with the introduction of PEG into hybrid matrix. In this proton-conducting system, the proton conductivity can be reached to 3.5× 10-2 Scm-1 at 85C under 95% relative humidity.

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