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研究生:李南漳
研究生(外文):Nan-Chang Lee
論文名稱:熱塑性超高分子量聚乙烯纖維複合材料之研究
論文名稱(外文):Studies on thermalplastic ultra high molecular weight polyethylene fiber composites
指導教授:謝國煌謝國煌引用關係
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:高分子科學與工程學研究所
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:2005
畢業學年度:93
語文別:中文
論文頁數:105
中文關鍵詞:超高分子量聚乙烯纖維低密度聚乙烯聚胺基甲酸酯纖維重量分率機械性質
外文關鍵詞:UHMWPE fiberLDPEPUfiber weight contentfalling weight testand mechanical properties
相關次數:
  • 被引用被引用:4
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本研究引入熱塑性聚胺基甲酸酯及低密度聚乙烯為基材,並以深具市場潛力的超高分子量聚乙烯纖維為補強材,並分別以溶液含浸法及總體含浸法對不同的樹脂系統加工,利用纏繞成型法將原料加工成預浸材料,再以熱壓成型法二次加工後,製成複合材料,並對其熱性質、纖維重量分率、機械性質、形態學分析討論。
熱性質方面,以LDPE為基材的複合材料其熱烈解溫度較高;並可以由TGA圖及DSC圖計算纖維重量分率。
纖維重量分率可由熱洗法、TGA圖、DSC圖分別求得並比較,以求準確性,複合材料纖維重量分率最高可達50%以上。
機械性質可由單層預浸布量測出,最高可達到598MPa;落鎚式耐衝擊測試可達儀器測試高度極限,複材中纖維完全無斷裂現象,展現出優越耐衝擊性質;本研究製成的複合材料性質良好,未來如能商業化,潛力可期。
關鍵字: 超高分子量聚乙烯纖維、低密度聚乙烯、聚胺基甲酸酯、纖維重量分率、機械性質
The aim of this Research is to prepare the LDPE (low density polyethylene), PU (polyurethane) and UHMWPE fiber composites for improving the mechanical properties of the LDPE/UHMWPE fiber and PU/UHMWPE fiber composites. In the matrix, several types of LDPE and PU are employed to improve the adhesion between the UHMWPE fiber and the matrix.
The LDPE/UHMWPE fiber composites and PU/ UHMWPE fiber composites were prepared by filament winding. The types of impregnation were used in different resin types included solution impregnation and bulk impregnation. Fiber weight content could be calculated by TGA analysis, DSC analysis, and solvent etching. The fiber weight content of the composite is more than 50%. The tensile strength could achieve 598MPa. Crack initiation energy, crack propagation energy, and ductility index (D.I=Ep/Ei) of PU/UHMWPE fiber composites could be obtained by falling weight impact test.
The thermal properties, mechanical properties, and morphology of the different composites were investigated through the TGA measurement and DSC measurement , Tensile strength test ,Falling weight impact test and the scanning electron microscope(SEM), respectively.

Keywords:UHMWPE fiber, LDPE, PU, fiber weight content, falling weight test, and mechanical properties
目錄

摘要………………………………………………………………….…I
英文摘要(Abstract)…………………………………..……... Ⅱ
目錄…...………………………………………………………….....III
表目錄…………………………………………………………………..VI
圖目錄………………………………………………………..……VIII
第一章:緒論……………………………………………………………1
第二章:文獻回顧……..………………………………………………5
2-1超高分子量聚乙烯簡介……………………………………………5
2-2 複合材料纏繞法簡介…...……………………..….…………11
2-3聚胺酯彈性體簡介……………………………………...…...16
2-4研究動機與目的…………..…………….……………………..20
第三章:實驗方法……………………………………………………..22
3-1 實驗藥品…………………………….………………………...22
3-2 實驗儀器………………………...…………………………..25
3-3 實驗流程...…... ...…………….………………………..28
3-3-1基材為LDPE之複合材料製備………..…………………28
3-3-2基材為PU(鏈延長劑為1,4-BD) 之複合材料製備
總體含浸法(bulk impregnation) ……………………….29
3-3-2-1含異氰酸酯基之聚胺酯預聚物合成……..…….…….29
3-3-2-2製備預浸材料及試片……..…………...…..…….30
3-3-3基材為PU(鏈延長劑為1,4-BD及TMP) 之複合材料製備
總體含浸法(bulk impregnation)……………….……...31
3-3-3-1含異氰酸酯基之聚胺酯預聚物合成………...…….31
3-3-3-2製備預浸材料及試片…………………...…..…….32
3-3-4基材為PU(鏈延長劑為1,4-BD) 之複合材料製備
溶液含浸法(soultion impregnation)………………………..33
3-3-4-1含異氰酸酯基之聚胺酯預聚物合成………….…….33
3-3-4-2製備預浸材料及試片…………………...…..…….35
3-4 實驗步驟………………………………….……………………36
3-4-1基材為LDPE之複合材料製備………………………….36
3-4-2基材為PU(鏈延長劑為1,4-BD) 之複合材料製備
總體含浸法(bulk impregnation)………………………..37
3-4-3基材為PU(鏈延長劑為1,4-BD及TMP) 之複合材料製備
總體含浸法(bulk impregnation)………………………..38
3-4-2基材為PU(鏈延長劑為1,4-BD) 之複合材料製備
溶液含浸法(solution impregnation)………………....39
3-5 性質分析……………………………….………….……..……41
3-5-1凝膠滲透色層分析儀分析….……………….…………..41
3-5-2 微差熱分析掃描卡計儀分析……………..……………..41
3-5-3 熱重量損失儀分析……………………………………….42
3-5-4拉伸性質分析……………….………..…………………..42
3-5-5落鎚式耐衝擊試驗分析……..……..…………………..42
3-5-6掃描式電子顯微鏡分析………...…..…………………..43
第四章:結果與討論…………………………………………………49
4-1 PU-prepolymer鑑定分析(FTIR).………………….……..49
4-2熱裂解溫度(TGA)分析..………….…….…….……..……….49
4-3微差掃瞄卡計儀(DSC)分析……...………….62
4-4纖維重量分率分析………………………………...………….68
4-5機械性質分析..…………….……….…….……..………….73
4-5-1抗張強度分析……………..………………………….…..73
4-5-2落鎚式耐衝擊試驗分析..…………………………….…..76
4-6形態學分析..…………….……….…….………..………….79
4-7聚胺酯分子量分析(GPC)….……….…….………..………….79
第五章:結論…………………………………………………81
第六章:參考文獻……….….………………………………………83
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