淡江大學機構典藏:Item 987654321/6906
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/6906


    Title: 高分子基本流變性質的探討-子計畫V:抽絲法量測高分子熔融體拉伸粘度之建立
    Other Titles: Measurement of the Elongational Viscosity of Polymer with Spinning
    Authors: 林國賡
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: 熔融強度;拉伸黏度;拉力共振;Melt strength;Elongation viscosity;Draw resonance
    Date: 1996
    Issue Date: 2009-03-16 15:10:00 (UTC+8)
    Abstract: 本研究乃主持人延續去年"高分子擠出熔融 体流變性之研究"之第二年研究計劃.該研究已 有一些初步成果,測量結果之驗証現正積極進 行.今續提壹為期二年之計劃,擬針對 Bayer氏所 提之熔融強度(melt strength)測定中拉伸比(stretch ratio,"Rs")值該如何選取,做一有系統之研究.希 望能針對不同之高分子材料熔融体以及各種拉 伸速率,而得以方便地選擇"Rs"值,並能準確測得 熔融強度以及拉伸粘度.其次,本研究擬更換不同之模頭形狀,以觀察模頭對高分子拉伸流變 行為之影響;擬藉延後拉力共振(draw resonance)之 發生,以使得拉伸粘度測量之變形率( strain rate) 範圍得以擴大. 最後,本研究還要針對所測得之 拉伸與剪切粘度數據,再以 White-Metzner流變模式 去模擬(fit)不同高分子熔融体之拉伸及剪切流 變行為.
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Research Paper

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