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研究生:洪進縈
研究生(外文):Hung-Ching Ying
論文名稱:防振熱塑性彈性材料實驗特性之研究
論文名稱(外文):A Study on the Experimental Characteristics of Anti-Vibrations Thermoplastic Elastomers Materials
指導教授:柯亭帆柯亭帆引用關係
指導教授(外文):Kerh-Tien Fuan
學位類別:碩士
校院名稱:國立屏東科技大學
系所名稱:土木工程系所
學門:工程學門
學類:土木工程學類
論文種類:學術論文
論文出版年:2013
畢業學年度:101
語文別:中文
論文頁數:53
中文關鍵詞:熱塑性彈性體苯乙烯-丁二烯-苯乙烯共聚物聚胺酯防振性
外文關鍵詞:thermoplastic elastomersPoly(styrene-butadiene-styrene)polyurethaneanti-vibration
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地震對於土木結構是一大威脅,地震所造成的擾動對公共建設的損害不僅引致經濟的損失,同時也阻礙救災行動。在許多公共工程中,例如橋梁、鐵路平交道、建築等須使用彈性體材料來達到防振之目的。本研究主要利用熔融摻混技術,探討苯乙烯-丁二烯-苯乙烯共聚物(SBS)分別與酯類聚胺酯(TPU-EX)與醚類聚胺酯(TPU-ER)在不同比例下進行摻混,並針對此新型熱塑性彈性材料(TPE)之加工性、相容性、相形態、機械性質、耐熱性和防振性能等進行一系列實驗測試。從研究結果顯示,SBS摻混不同比例TPU-EX和TPU-ER之剪切黏度特性與SBS相似。換言之,SBS加工性不會因摻混TPU而改變。相容性測試結果顯示兩相材料在不同組成範圍下乃呈現不相容之特性。SBS的耐熱性隨著TPU摻混比例增加,熱收縮率明顯改善達十幾倍之多。SBS機械性質與防振性能亦隨著TPU的摻混比例而增加。在動態性質防振試驗得知,SBS隨著TPU-EX和TPU-ER的摻混後,其動態倍率降低,損失係數提高,因此在防振與抑制噪音方面有明顯提升的效果。另外SBS/TPU熱塑彈性材料在較高頻率下具有較佳的動態阻尼性質。本研究之分析結果可在相關工程領域於考慮防振功能時,提供有價值之參考資訊。
Earthquake has a great threaten on the civil engineering structures, as it can damage public constructions very seriously, which may result in an economical loss and hamper the succor action in the event of disaster. In many engineering constructions such as bridge, railway intersection, and architecture, which need the elastomer to improve anti-vibration performance. This study presents the preparation of novel thermoplastic elastomers (TPEs) based on poly(styrene-butadiene-styrene) (SBS), ester-type polyurethane (TPU-EX), and ether-type polyurethane (TPU-ER) materials via melt blending. A series of experiments were conducted on the relationship between their rheological, compatibility, morphology, mechanical properties, thermal resistance, and anti-vibration performance, given different compositions. The results showed that the shear viscosity of SBS not obvious effect with TPU content. The dynamic mechanical analysis results show incompatibilities between SBS and TPU. The mechanical properties, thermal resistance, and anti-vibration performance are improved upon an increase in the amount of TPU, suggesting that the blending of SBS with TPU was consistent with the compound rule. In addition, the SBS/TPU TPEs have better dynamic damping properties at high frequency. The analyzed results in this study may provide valuable information when considering a function of anti-vibration in relevant engineering fileds.
摘要..........I
Abstract.....II
誌謝..........IV
目錄..........V
表目錄........VIII
圖目錄........IX
第1章 緒論.....1
1.1 研究背景與重要性...1
1.2 研究動機與目的.....2
1.3 研究內容安排.......3
1.4 測試儀器..........4
第2章 試驗項目與理論基礎...9
2.1試驗材料概述..............9
2.2一般物理化學性質測試.......9
2.2.1 加工性探討............9
2.2.2 形態學分析............9
2.2.3 相容性分析............9
2.2.4 機械性質測試..........10
2.2.5 熱影響分析............10
2.3 防振特性測試............10
2.3.1 動態機械性質分析.......10
2.3.2 靜態壓縮彈性係數(ks)之測定...10
2.3.3 遲滯現象之測定..............11
2.3.4 防振製品動態性質試驗方法......11
第3章 材料一般性試驗分析結果...16
3.1 加工性探討.....16
3.2 相形態觀測.....16
3.3 相容性分析.....17
3.4 熱老化前後之機械性質...........17
3.5 熱重損失分析與熱收縮率測試......18
第4章 材料防振試驗特性分析結果...31
4.1 防振彈性體概述.....31
4.2 動態機械分析.......32
4.3 遲滯圈測試.........32
4.4 動態防振測試.......33
第5章 結論與建議...45
5.1 結論.....45
5.2 建議.....46
參考文獻......47
作者簡介......53

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