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研究生:王禎呈
研究生(外文):Chen-Cheng Wang
論文名稱:聚碳酸酯/丙烯腈-丁二烯-苯乙烯共聚物/導電填料奈米複合材料之製備與特性研究
論文名稱(外文):Preparation and Characterization of Polycarbonate / Acrylonitrile-Butadiene-Styrene Copolymer / Conductive Filler Nanocomposite
指導教授:吳宗明吳宗明引用關係
指導教授(外文):Tzong-Ming Wu
口試委員:蔡毓楨石燕鳳
口試日期:2011-04-19
學位類別:碩士
校院名稱:國立中興大學
系所名稱:材料科學與工程學系所
學門:工程學門
學類:材料工程學類
論文種類:學術論文
論文出版年:2011
畢業學年度:99
語文別:中文
論文頁數:80
中文關鍵詞:非本質型導電高分子多壁奈米碳管碳黑自由基接枝
外文關鍵詞:extrinsically conductive polymermulti-walled carbon nanotubecarbon blackfree radical grafting
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由於非本質型導電高分子之基材並不導電,故藉由導電填料之添加於高分子基材中,將使其複合材料具導電性。本研究主要利用物理混摻之方式,分別將改質前後之一維多壁奈米碳管(MWNT)與零維碳黑(CB)添加於聚碳酸酯/丙烯腈-丁二烯-苯乙烯共聚物(PC/ABS)中,並藉由不同比例的導電填料添加量,來探討其對於複合材料之導電性、機械性質與熱性質的影響性。
本研究第一部份將製備出表面官能基化的多壁奈米碳管,首先利用馬來酸酐(MA)對奈米碳管進行自由基接枝之表面修飾反應,並命名為MWNT-MA。藉由奈米碳管表面有機化改質,以增加其後續作為奈米碳管複合材料的應用性。然而,從穿透式電子顯微鏡(TEM)圖觀察發現,經表面修飾之MWNT,其表面明顯地披覆一層不規則狀的高分子;且拉曼光譜(Raman)中亦顯示,因表面自由基的產生,可進一步破壞MWNT表面的雙鍵結構,並使修飾後MWNT-MA之D-band與G-band,其比值由未修飾前的1.20上升至1.48;此外,在熱重損失分析(TGA)方面,經與未修飾奈米碳管之600 ℃殘留重量相比較後,可推算出MA官能基化之奈米碳管,其表面約有14.6 wt%的有機官能基接枝成功。
另研究之第二部份將分別添加MWNT、MWNT-MA與CB等導電填料於不同比例之PC/ABS共聚物中,依其混練後的複合材料電氣性質結果來看,當分別添加1.0 wt% MWNT、1.5 wt% MWNT-MA或12 wt% CB等不同導電填料於PC/ABS合膠材料時,其複合材料的表面電阻值約達相同之103 Ω/□表現。故從零維之碳黑添加量,分別為MWNT、MWNT-MA的12倍與8倍結果來看,對於只需微量添加的改質前後奈米碳管而言,其微量且易加工之特性,將有利於工業量產製程之發展與相對競爭力之提升。且除了電氣性質的增加外,微量的MWNT與MWNT-MA添加,亦可明顯地對其複合材料之拉伸性質、彎曲性質,增加約10 %的補強效果;惟熱性質改善部份,仍需仰賴較大量的碳黑導電填料之添加,方有助於其PC/ABS複合材料,達到較佳的熱性質提升。

In this study, the conductive polycarbonate(PC)/ acrylonitrile-butadiene-styrene copolymer(ABS)/ multi-walled carbon nanotube(MWNT)composites have been prepared using melt compounding method. The MWNT was modified using free radical reaction of maleic anhydride(MA)to graft on the surface of MWNT. For comparison, PC/ABS/carbon black(CB)composites were also fabricated through the same procedure. The electrical conductivity, mechanical and thermal properties of composites with various weight ratio will be discussed.
Raman spectroscopy shows a strong band at 1580 cm-1(G mode)and a disordered-induced peak at 1355 cm-1(D mode), which may originate from the defects in the curned graphene sheets. Comparing the ID/IG ratio of the samples, which is 1.20 for MWNT and 1.48 for MA-modified MWNT, results the chemical functionalization increases the degree of disorder. The conductivity of fabricated PC/ABS composite would approach 103 Ω/□ by adding 1.0 wt% MWNT、1.5 wt% MWNT-MA and 12 wt% CB. The small amount of MWNT adding into PC/ABS system would also increase about 10 % in the tensile strength and flexural strength. But the high loading ratio of CB into this system could obtain better thermal property.

中文摘要 I
英文摘要 II
目 錄 III
表 目 錄 V
圖 目 錄 VII
第 一 章 緒論 01
1.1 前言 01
1.2 研究動機 03
第 二 章 文獻探討 05
2.1 PC及ABS之特性及應用 05
2.2 PC/ABS合膠性質及應用分析 06
2.3 導電性高分子 07
2.3.1 非本質型導電高分子 08
2.4 導電填料 10
2.4.1 奈米碳管 10
2.4.2 碳黑 21
2.5 高分子/導電填料複合材料 23
2.5.1 聚碳酸酯/奈米碳管複合材料 23
2.5.2 聚碳酸酯/碳黑複合材料 28
2.5.3 聚碳酸酯/丙烯腈-丁二烯-苯乙烯共聚物/奈米碳管複合材料 28
第 三 章 實驗方法與步驟 30
3.1 實驗設備 30
3.2 實驗藥品與材料 31
3.3 實驗步驟 32
3.3.1 奈米碳管表面自由基修飾 32
3.3.2 導電性高分子複合材料製備 33
3.3.3 切片染色程序 34
3.4 測試方法及說明 35
3.4.1 拉曼光譜分析 35
3.4.2 穿透式電子顯微鏡分析 35
3.4.3 場發射掃描式電子顯微鏡分析 35
3.4.4 熱重損失分析 36
3.4.5 熱變形溫度分析 36
第 四 章 結果與討論 37
4.1 奈米碳管表面自由基修飾 37
4.1.1 Raman分析 37
4.1.2 TEM分析 39
4.1.3 FE-SEM分析 41
4.1.4 TGA分析 42
4.2 導電性高分子複合材料 44
4.2.1 TEM分析 44
4.2.2 FE-SEM分析 48
4.2.3 電氣性質分析 55
4.2.4 機械性質分析 59
4.2.4.1 拉伸試驗 59
4.2.4.2 彎曲試驗 61
4.2.4.3 衝擊試驗 64
4.2.5 熱性質分析 67
4.2.5.1 熱變形溫度試驗 67
4.2.5.2 TGA試驗 69
第 五 章 結論 74
第 六 章 參考文獻 76

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