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研究生:賴璿光
研究生(外文):Syuan-Guang Lai
論文名稱:全高分子複合材料研究:聚酯補強聚丙烯複合材料之界面改質與新式複合材料製程
論文名稱(外文):The study of all-polymer composites: surface treatment of PET/PP composites and new composites manufacturing process
指導教授:吳昌謀
指導教授(外文):Chang-Mou Wu
口試委員:陳錦江鄭國彬陳俊傑
口試委員(外文):Jieng-Chiang ChenKou-Bing ChengJung-Chieh Chen
口試日期:2017-07-19
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:材料科學與工程系
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:2017
畢業學年度:105
語文別:中文
論文頁數:108
中文關鍵詞:馬來酸酐接枝聚丙烯薄膜堆疊芯鞘型製程
外文關鍵詞:PP-g-MAfilm stackingcore and sheath
相關次數:
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本論文將探討兩大部分,分別為聚酯織物補強聚丙烯複合材料與新式全高分子複合材料製程。
聚酯織物補強聚丙烯複合材料(PET/PP複合材料)將著重在聚丙烯具有密度低(質量輕)、加工溫度低、取得容易,而聚對苯二甲酸乙二酯的優點則為高拉伸強度並容易染色,藉由結合這兩種高分子材料的優點,製成一質量輕,並具有高強度的PET/PP複合材料。
複合材料製程中材料選用與使用材料的型態皆為重要的課題,本實驗使用長PET纖維織物進行補強以乘載荷重,能有效提升整體機械性質。為因應碳纖維複合材料的潮流,更選用色母染色的黑色無加撚PET紗進行織造,獲得2/2斜紋12k仿碳纖外觀織物。
然而,這兩種材料,具有熱相容性上的問題,此界面不良的狀況,將影響基材與補強材受力時,無法將力有效傳導,導致基材與補強材脫層並破壞。本研究將使用馬來酸酐接枝聚丙烯進行基材改質。所得最佳拉伸應力達到156.8 MPa,楊氏模數達到4.2 GPa。
而新式複合材料製程將由芯鞘型複合紗概念進行延伸,優點為適用於各式高分子。本研究將低熔點聚丙烯(基材)包裹於高強力聚丙烯紗(補強材),形成一srPP扁平紗並克服扁平紗紡織時翻紗問題,成功製備srPP織物,以其熔點差異,形成一加工視窗,熱壓製成srPP複合材料。拉伸應力達到112.1 MPa,楊氏模數2.1 GPa。
In this study, surface treatment of PET/PP composites and new composites manufacturing process are discussed.
Polypropylene has the advantages of light weight, low Tm and easy to get. And polyester has the advantages of high tensile properties and easy to dye. PET/PP composites combined these advantages to make it a light weight and high tensile properties composites.
It’s an important issue to select materials for composites. In order to sustain load well, PET fabric is used. Because of it, the mechanical properties of PET/PP composites increased. The untwisted, solution dyed black PET yarn are used to make this PET/PP composites have carbon composites' appearance. High transparent PP is melt blended with PP-g-MA and PET fabric is pretreated with primer to solve the interfacial problems. PP-g-MA content and primer usage are discussed. The best tensile strength and young’s modulus of PET/PP composites are 156.8 MPa and 4.2 GPa.
The new composites manufacturing process is extended by core and sheath method. High tenacity PP yarn and low melting temperature PP and are used as core and sheath to make a flat srPP yarn. By the difference of melting temperature, a processing window is formed. After woven, srPP composite is made by hot compaction. The tensile strength and young’s modulus are 112.1 MPa and 2.1 GPa.
摘要・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・I
Abstract(英文摘要) ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・II
目錄・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・II
表目錄・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・VII
圖目錄・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・VIII
第一章、 前言・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1
1.1 研究背景・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1
1.2 實驗動機・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・3
1.3 研究內容簡述・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・4
第二章、文獻回顧・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・6
2.1全高分子複合材料製程(srPP複合材料)・・・・・・・・・・・・・・6
2.2聚酯織物補強聚丙烯複合材料(PET/PP複合材料)・・・・・・7
2.1.1聚酯與聚丙烯間界面問題・・・・・・・・・・・・・・・・・・・・・・・7
2.1.2 界面剪切強度測試-液珠測試・・・・・・・・・・・・・・・・・・・・8
2.2 複合材料製程・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・10
2.3開孔拉伸測試・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・11
第三章、實驗材料與分析・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・13
3.1 PET/PP複合材料・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・13
3.1.1 PET/PP複合材料實驗流程圖・・・・・・・・・・・・・・・・・・13
3.1.2 PET/PP複合材料實驗材料・・・・・・・・・・・・・・・・・・・・14
3.1.3 碳纖維外觀PET織物織造・・・・・・・・・・・・・・・・・・16
3.1.4 改質PP薄膜製備-淋膜製程・・・・・・・・・・・・・・・・・17
3.1.5 PET/PP 複合材料製備-薄膜堆疊法・・・・・・・・・・・・・20
3.2 srPP 複合材料・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・21
3.2.1 srPP複合材料實驗流程圖・・・・・・・・・・・・・・・・・・・・・21
3.2.2 srPP複合材料實驗材料・・・・・・・・・・・・・・・・・・・・・・・22
3.2.3 扁平狀srPP紗製備・・・・・・・・・・・・・・・・・・・・・・・・・22
3.2.4 srPP織物織造・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・25
3.2.5 srPP複合材料製備・・・・・・・・・・・・・・・・・・・・・・・・・・・27
3.3實驗儀器與分析方法・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・28
3.3.1 光學立體顯微鏡(OM)・・・・・・・・・・・・・・・・・・・・・・・28
3.3.2 熱式差分析儀(DSC)・・・・・・・・・・・・・・・・・・・・・・・・・28
3.3.3 熔融流動指數量測(Melt Flow Indexer)・・・・・・・・・28
3.3.4 可見光穿透度量測(UV/visible)・・・・・・・・・・・・・・・・28
3.3.5 動態機械性質分析(DMA)・・・・・・・・・・・・・・・・・・・・29
3.3.6 液珠測試(Micro-droplet Test)・・・・・・・・・・・・・・・・・29
3.3.7 機械性質測試(Mechanical test)・・・・・・・・・・・・・・・・・31
3.3.7.1 拉伸性質(Tensile Test)・・・・・・・・・・・・・・・・・31
3.3.7.2 撓曲性質(Flexural Test)・・・・・・・・・・・・・・・・32
3.3.7.3 短樑剪切測試(Short Beam Shear Test)・・・・33
3.3.7.4 衝擊性質(Izod Impact Test)・・・・・・・・・・・・・34
3.3.7.5 開孔拉伸性質(open hole tensile test)・・・・・36
3.3.8 纖維體積含有率以及空孔含有率・・・・・・・・・・・・・・・・37
3.3.8.1 PET/PP複合材料・・・・・・・・・・・・・・・・・・・・・・・・37
3.3.8.2 srPP複合材料・・・・・・・・・・・・・・・・・・・・・・・・・・38
第四章、聚酯織物補強聚丙烯(PET/PP)複合材料結果與討論・・・39
4.1 高透明聚丙烯的選用・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・39
4.1.1 低混摻比例聚丙烯可見光穿透度量測・・・・・・・・・・・40
4.1.2 低混摻比例聚丙烯熔融流動指數量測・・・・・・・・・・・42
4.1.3 低混摻比例聚丙烯對聚酯纖維液珠測試・・・・・・・・・・44
4.2 高混摻比例改質聚丙烯性質評估・・・・・・・・・・・・・・・・・・・・・47
4.2.1 高混摻比例聚丙烯可見光穿透度量測・・・・・・・・・・・・47
4.2.2 高混摻比例聚丙烯熔融流動指數量測・・・・・・・・・・・・49
4.2.3 液珠測試・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・50
4.2.3.1 高混摻比例改質聚丙烯・・・・・・・・・・・・・・・・・・50
4.2.3.2 使用界面改質劑進行液珠測試・・・・・・・・・・・・52
4.3 機械性質與動態機械性質分析・・・・・・・・・・・・・・・・・・・・・・・54
4.3.1 PET/PP 複合材料拉伸性質・・・・・・・・・・・・・・・・・・・54
4.3.2 PET/PP 複合材料撓曲性質・・・・・・・・・・・・・・・・・・・63
4.3.3 PET/PP 複合材料短樑剪切測試・・・・・・・・・・・・・・・67
4.3.4 PET/PP 複合材料衝擊性質・・・・・・・・・・・・・・・・・・・70
4.3.5 PET/PP 複合材料動態機械性質分析・・・・・・・・・・・72
4.4 PET/PP 複合材料開孔拉伸性質・・・・・・・・・・・・・・・・・・・・・・75
4.4.1 開孔拉伸性質結果・・・・・・・・・・・・・・・・・・・・・・・・・・・・75
4.4.2 圓孔對拉伸性質的影響・・・・・・・・・・・・・・・・・・・・・・・・78
第五章、全聚丙烯自增強複合材料(srPP)結果與討論・・・・・・・・・・80
5.1 機械性質與動態機械性質分析・・・・・・・・・・・・・・・・・・・・・・・80
5.1.1 srPP 複合材料拉伸性質・・・・・・・・・・・・・・・・・・・・・・・80
5.1.2 srPP 複合材料撓曲性質・・・・・・・・・・・・・・・・・・・・・・・83
5.1.3 srPP 複合材料短樑剪切測試・・・・・・・・・・・・・・・・・・・86
5.1.4 srPP 複合材料衝擊性質・・・・・・・・・・・・・・・・・・・・・・・88
5.1.5 srPP 複合材料動態機械性質分析・・・・・・・・・・・・・・・90
5.2 srPP 複合材料開孔拉伸性質・・・・・・・・・・・・・・・・・・・・・・・93
5.2.1 開孔拉伸性質結果・・・・・・・・・・・・・・・・・・・・・・・・・・・・93
5.2.2 圓孔對拉伸性質的影響・・・・・・・・・・・・・・・・・・・・・・・・96
第六章、結果與結論・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・98
6.1 PET/PP複合材料・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・99
6.2 srPP複合材料・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・102
第七章、參考文獻・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・104
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