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研究生:陳為
研究生(外文):Wei Chen
論文名稱:含矽氧烷及磺酸基聚甲基丙烯酸酯共聚物之製備及其防蝕應用
論文名稱(外文):Preparation of siloxane and sulfonic acid group-containing polymethacrylate hybrid and its anticorrosion application
指導教授:顏福杉何宗漢何宗漢引用關係
指導教授(外文):Fu-San YenTsung-Han Ho
學位類別:碩士
校院名稱:國立高雄應用科技大學
系所名稱:化學工程與材料工程系
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:101
畢業學年度:100
語文別:中文
論文頁數:162
中文關鍵詞:溶膠-凝膠法有機-無機複合溶液鹽霧試驗百格密著性測試腐蝕
外文關鍵詞:sol-gel processorganic-inorganic coating solutionsalt spray testcross-hatch and scotch tape testcorrosion
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本實驗以四種丙烯酸酯單體MMA、BMA、SPMA、TMSPMA為聚合反應之單體,經共聚合製備出含3~18 mol %不同配比的SPMA及5~15 mol %不同配比的TMSPMA之聚甲基丙烯酸酯共聚合物(MBS、MBT)做為高分子型Sol-Gel反應前驅物。將此反應前驅物溶於溶劑中,再以溶膠-凝膠法反應後,可製得有機-無機複合溶液。再以浸塗的方式將該有機-無機複合溶液塗在金屬鐵片基材上,以形成保護性塗料。
實驗結果顯示:上述之單體,藉自由基共聚合反應可順利合成出共聚合物。電化學測試顯示,複合溶液MBT10-MBS13,其腐蝕電位值達最大,為-0.319 V。鹽霧試驗、百格密著性測試結果顯示添加TMSPMA可提升塗料對基材的密著性和防蝕能力。接觸角測試顯示TMSPMA的含量增加,會使金屬塗層表面越疏水。SEM結果顯示在磺酸催化下,塗料中粒徑有改變。EDX結果顯示塗料在混摻前、後皆有矽的含量存在。
The major content of this essay is to make a variety of polymeric sol-gel precursors (MBS, and MBT) was prepared by free radical copolymerization with various contents of SPMA and TMSPMA using MMA, BMA, SPMA, and TMSPMA as the monomers. The prepared copolymers obtained purification were then dissolved in solvent to keep the coating solution. The polymeric sol-gel precursors will form an organic-inorganic coating solution after dissolved in solvent and undergo sol-gel process. Then the coating solution will be coated on metal specimen by the dip-coating skill. Finally, the corrosion inhibiting coating will be formed for anti-corrosion test after it undergoes a thermal drying process.
The experimental results showed that the above monomers can be successfully polymerized into polymethacrylate copolymers by free radical copolymerization. From electrochemical measurements, organic-inorganic coating solution seems have a higher corrosion potential. The best MBT10-MBS13 films has Ecorr of -0.319 V. According to the results from cross-hatch and scotch tape test, and salt spray test, it shows that either incorporating TMSPMA (siloxane) in polymer chain or blending it in film can improve the anti-corrosion capability and the film adhesion onto the metal substrate. With increase of the TMSPMA content, we find contact angle of surface were hydrophobic. By SEM studies, when has acid-catalyzed, we find partical of film were change. By EDX test, it shows that either incorporating TMSPMA (siloxane) in polymer chain or blending silicon have appeared in film.
中文摘要 I
Abstract II
誌謝 IV
總目錄 V
流程目錄(Scheme) VII
表目錄 VIII
圖目錄 IX

第一章 緒論 1
1-1 前言 1
1-2 研究背景與動機 1
第二章 基本原理與文獻回顧 4
2-1 金屬的腐蝕理論與基本概述 4
2-1-1 腐蝕 4
2-1-2 腐蝕原理 4
2-1-3 金屬材料腐蝕之類型 6
2-1-4 防蝕保護之方法 9
2-2 電化學反應原理 11
2-2-1 混合電位(Mixed Potential)理論 14
2-2-2 腐蝕電化學之量測 14
2-2-3 Tafel 外推法 15
2-3 溶膠-凝膠法 17
2-3-1 溶膠-凝膠法(Sol-Gel)原理簡介 17
2-3-2 溶膠凝膠法之發展 20
2-3-3 溶膠-凝膠製程 21
2-3-4 影響溶膠-凝膠法的因素 23
2-4 文獻回顧 27
第三章 實驗部分 32
3-1 實驗藥品與材料 32
3-2 實驗儀器與設備 35
3-3 實驗方法與步驟 38
3-3-1 合成帶有不同官能基之甲基丙烯酸酯共聚合物 38
3-3-2 塗料之製備 40
3-3-3 金屬試片之預處理 41
3-3-4 測試試片之製備 41
3-3-5 電化學試驗 42
3-3-6 鹽水噴霧測試 43
3-3-7 百格密著性測試 44
第四章 結果與討論 46
4-1 共聚合物之結構鑑定 46
4-1-1 紅外線吸收光譜(FT-IR)鑑定分析 46
4-1-2 1H-NMR光譜鑑定分析 47
4-2 溶膠-凝膠法製備塗料 48
4-3 電化學結果分析 49
4-3-1 MBS塗料 49
4-3-2 MBT塗料 49
4-3-3 MBT-MBS塗料 50
4-3-4 MBT與MBT-MBS塗料比較 51
4-3-5 MBT與MBS塗料比較 52
4-3-6 MBS、MBT、MBT-MBS塗料比較 52
4-4 鹽水噴霧測試 53
4-5 百格密著性測試 54
4-6 表面接觸角測定分析 54
4-7 SEM測試 55
4-8 表面EDX成份分析 56
第五章 結論 57
第六章 參考文獻 58
自傳 145
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