本研究旨在常溫非真空的環境下製備一具氣體阻障與超疏水表面的軟性薄膜，在氣體阻障的部份利用環氧樹脂與改質後的蒙托土(Montmorillonite clay)混層材料及矽氟酸還原的二氧化矽奈米粒子，利用重力壓膜法及液相沉積法來製備薄膜，利用掃描式電子顯微鏡(SEM)、表面粗度儀(Alpha-step Profilometer)、X-光繞射光譜儀(XRD)、氣體滲透分析儀(Gas permeability analyzer)來分析蒙托土改質及薄膜厚度與表面型態和氣體通透率。
超疏水表面的部份則是使用液相沉積法(LPD)及靜電逐層組裝技術(ELBL)，在氣體阻障基板上組裝微米級結構的二氧化矽粒子薄膜，並再次以液相沉積法(LPD)披覆上奈米級的二氧化矽粒子，製備出結構類似於Raspberry的階層式粒子薄膜，最後藉由長碳鏈矽烷作疏水化表面改質，得到超疏水性粒子薄膜。利用掃描式電子顯微鏡(Scanning electron microscope, SEM)及接觸角分析儀(Dynamic Contact Angle, DCA)，來瞭解薄膜表面型態及潤濕性。結果顯示：利用添加10 wt% 蒙托土/環氧樹脂混層材料做為阻障層搭配靜電組裝技術所得到不規則的Raspberry-like的微/奈階層式粒子，可得到阻氧效率達94.4%，薄膜表面的靜態接觸角164度，傾斜角少於4度的阻氧超疏水性粒子薄膜。而利用液相沉積法沉積二氧化矽粒子奈米膜做為阻障層搭配液相沉積法沉積50nm二氧化矽粒子，可得到可見光穿透度達80%以上且阻氧效率50.4%，表面靜態接觸角153度，傾斜角小於5度的透明阻氣超疏水薄膜。

The work aims at fabricating a film with gas-blocking ability and superhydrophobic surface in Ambient temperature and pressure. For gas-blocking ability, we choose two kind of materials and methods to fabricate the film. First one was composed of modified Montmorillonite clay (MMT) and epoxy, fabricating by force compression. The other one was composed of silica, fabricating by liquid phase deposition (LPD).
For surperhydrophobic surface, a micro/nano dual-scale particulate film with raspberry-like morphology was prepared by using liquid phase deposition (LPD) and electrostatic layer-by-layer (ELBL) technique on gas-blocking film. Micro-size silica particles were used to prepare a surface with microscale roughness. Nano-size silica particles were then assembled on the particulate film to construct a finer structure on top of the coarse one. The as-deposited particulate films were surface-modified with alkylsilane to render a surface with surperhydrophobic property.
For the gas-blocking film fabricate by MMT and epoxy, coating with dual-size structure can decrease 94.4% of oxygen permeation comparing with PET substrate. The static contact angles of water on the dual-size structured surface were 164o,and sliding angle were only 3.31o. On the other hand, the gas-blocking film fabricate by silica, coating with 50nm-silica-particle layer can decrease 50.4% of oxygen permeation comparing with PET substrate. The static contact angles of water on the surface were 153o, sliding angle were 5o, and the transmittence is above 80%.

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