文化大學機構典藏 CCUR:Item 987654321/2576
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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/2576


    题名: Preparation and properties of styrene-ethylene-butylene-styrene block copolymer/clay nanocomposites: I. Effect of clay content and compatibilizer types
    作者: Chen, Wen-Chih
    Lai, Sun-Mou
    Chen, Chun-Ming
    贡献者: 化材系
    关键词: styrene -ethylene -butylene -styrene block copolymer
    montmorillonite
    nanocomposite
    compatibilizer
    日期: 2008
    上传时间: 2009-11-06 14:55:58 (UTC+8)
    摘要: BACKGROUND: Polymer/clay (silicate) systems exhibit great promise for industrial applications due to their ability to display synergistically advanced properties with relatively small amounts of clay loads. The effects of various compatibilizers on styrene-ethylene-butylene-styrene block copolymer (SEBS)/clay nanocomposites with various amounts of clay using a melt mixing process are investigated.
    RESULTS: SEBS/clay nanocomposites were prepared via melt mixing. Two types of maleated compatibilizers, styrene-ethylene-butylene-styrene block copolymer grafted maleic anhydride (SEBS-g-MA) and polypropylene grafted maleic anhydride (PP-g-MA), were incorporated to improve the dispersion of various amounts of commercial organoclay (denoted as 20A). Experimental samples were analyzed using X-ray diffraction and transmission electron microscopy. Thermal stability was enhanced through the addition of clay with or without compatibilizers. The dynamic mechanical properties and rheological properties indicated enhanced interaction for the compatibilized nanocomposites. In particular, the PP-g-MA compatibilized system conferred higher tensile strength or Young's modulus than the SEBS-g-MA compatibilized system, although SEBS-g-MA seemed to further expand the interlayer spacing of the clay compared with PP-g-MA.

    CONCLUSION: These unusual results suggest that the matrix properties and compatibilizer types are crucial factors in attaining the best mechanical property performance at a specific clay content. (c) 2007 Society of Chemical Industry.
    显示于类别:[化學工程與材料工程學系暨碩士班] 期刊論文

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