Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/69716
標題: Crystallization behavior of syndiotactic polystyrene nanocomposites for melt- and cold-crystallizations
作者: Tseng, C.R.
Wu, S.C.
Wu, J.J.
Chang, F.C.
關鍵字: syndiotactic polystyrene (s-PS)
clay
nanocomposites
surfactant
crystallization
nylon 6-clay hybrid
infrared-analysis
crystallinity
conformation
insertion
samples
forms
期刊/報告no:: Journal of Applied Polymer Science, Volume 86, Issue 10, Page(s) 2492-2501.
摘要: Analyses of the effects of montmorillonite (clay) on the crystallinity and crystallization behavior of syndiotactic polystyrene (s-PS) were investigated by Fourier transform infrared (FTIR) spectroscopy and differential scanning calorimetry (DSC). The dispersibility of the clay in s-PS nanocomposites was studied by X-ray and transmission electron microscopy (TEM). The clay was dispersed into the s-PS matrix by melt blending on a scale of 1-2 nm or few tenths-100 nm, depending on the surfactant treatment. On adding clay, the crystallization behavior of the s-PS tends to convert into the beta-crystal from the alpha-crystal after being cold-crystallized because the clay plays a vital role in facilitating the formation of the thermodynamically favored beta-form crystal when the s-PS is cold- or melt-crystallized. This phenomenon leads to a change in a conventional mechanism of molecular packing for the s-PS. Evidently, the clay significantly affects the crystallinity and crystallization behavior of the s-PS. (C) 2002 Wiley Periodicals, Inc.
URI: http://hdl.handle.net/11455/69716
ISSN: 0021-8995
文章連結: http://dx.doi.org/10.1002/app.11020
Appears in Collections:期刊論文

文件中的檔案:

取得全文請前往華藝線上圖書館



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.