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    題名: 紫外光可交聯型疏水性PU樹脂製備及其鋼材防蝕和撥水織物應用研究
    其他題名: Preparations of UV-curable Hydrophobic PU Resins for Steel Corrosion Control and Water-repellent Textile Applications
    作者: 彭俊儒;Peng, Chun-Ju
    貢獻者: 淡江大學化學學系碩士班
    陳幹男
    關鍵詞: 防蝕;環氧樹脂;紫外光交聯;撥水;聚胺酯;anti-corrosion;epoxy;UV-Curing;Water repellency;polyurethane
    日期: 2011
    上傳時間: 2011-12-28 18:07:17 (UTC+8)
    摘要: 本論文開發一系列疏水性紫外光可硬化型高分子樹脂分別於鋼材防蝕和織物撥水之功能化塗裝技術。
    鋼材防蝕: 首先將含磷酸酯基之紫外光硬化型環氧樹脂(UV EPOXY- POH)與紫外光硬化型矽氧烷(TMSPMA)依一定比例混摻當冷軋鋼片底漆;另外,將含氟素、含長碳鏈或含聚二甲基矽氧烷之紫外光硬化型PU預聚物當疏水性面漆,利用紫外光硬化機照射而形成緻密的疏水性能性防蝕保護塗層。此系列的加工後的鋼片其百格測試為4B以上,鉛筆硬度可達4H,而且經鹽霧試驗證明此研究成果具有可耐148小時以上的抗腐蝕能力。
    織物撥水: 分別將含氟素、含長碳鏈和含聚二甲基矽氧烷之紫外光硬化型PU預聚物依一定比例混摻,運用織物浸漬(Dipping)的加工方式將功能性PU塗佈在聚酯(PET)織物,並利用紫外光照射產生架橋硬化反應,形成具有化學鍵結的互穿式網狀交聯(IPN)系統,不僅可以崁入織物纖維之間,更可將高度架橋PU樹脂使其固定在織物纖維間,進而提高PET織物的耐水洗性。紫外光硬化型PU在最適加工條件下,經撥水加工後的織物其對水的接觸角可以達到超過140°以上,且經過AATCC標準20次洗滌後仍能維持其原有的撥水效果(接觸角140°以上),故證實此研究成果可應用於長效性的撥水加工織物的應用。
    This research has been developed a series of hydrophobic UV curable polymeric materials for steel corrosion control as well as water-repellency applications.
    Steel corrosion control coat: A phosphate-containing UV-curable coating system is obtained by blending epoxy (UV EPOXY-POH) and UV-curing siloxane (TMSPMA) in various ratios as a steel base coat; In addition, a hydrophobic group (fluorine-, long chain hydrocarbons or polydimethylsiloxane) -containing UV-curing PU prepolymer has been applied on top of steel primer as a top coat after UV-curing. The primer coat provides the tough (4H pencil hardness) with excellent adhesion (cross-cut passes 4B) surface and the top coat has been providing hydrophobic and dense protective surface coating. Furthermore, these steel anti-corrosion coatings have been standing for more than 148 hours salt spray test.
    Water-repellent Textile treatment: A mixture with various ratios of these hydrophobic groups-containing UV-curing PU prepolymers has been prepared for water-repellent textile treatment. A PET textile has been treated with these hydrophobic PU prepolymer by dipping process and then cured by UV-radiation. A water-repellent PET textile has resulted and that demonstrated by its contact angle reaches to 140o on treated textile surface. And its contact angle has been remained after 20 water washing cycles (AATCC method). Due to UV-curing process creates IPN (interpenetrating networks of hydrophobic PU) within textile fibers that enhancing the washing durability.
    顯示於類別:[化學學系暨研究所] 學位論文

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