請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/42036
標題: Crystalline forms in melt-crystallized syndiotactic polystyrene/clay nanocomposites
作者: Wu, T.M.
吳宗明
Hsu, S.F.
Wu, J.Y.
吳震裕
關鍵字: layered silicate nanocomposites
axial correlation lengths
paracrystalline distortion
polymorphic behavior
h-1-nmr relaxation
polymer
intercalation
conformation
morphology
samples
期刊/報告no:: Polymer Engineering and Science, Volume 42, Issue 12, Page(s) 2295-2305.
摘要: X-ray diffraction methods and polarized optical microscopy have been used to investigate the structural change of syndiotactic polystyrene/clay nanocomposites. The nanocomposite has prepared by mixing an sPS polymer solution with organically modified montmorillonite. Both X-ray diffraction and transmission electron microscopy results indicate that most of the swellable silicate layers are exfoliated and randomly dispersed into the sPS matrix. The X-ray diffraction data also show the presence of polymorphism in sPS/clay nanocomposites, which is strongly dependent on the thermal history of the nanocomposites from the melt and on the content of clay. In this study, the effect of premelting temperatures and crystallization temperatures of sPS and sPS/clay nanocomposites on their crystalline phases is discussed.
URI: http://hdl.handle.net/11455/42036
ISSN: 0032-3888
文章連結: http://dx.doi.org/10.1002/pen.11116
顯示於類別:化學工程學系所

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