Preparation and thermal characteristics of silane-grafted polyethylene/montmorillonite nanocomposites

被引：16
|
作者：
Lu, HD
Yuan, H [1 ]
Ling, Y
Wang, ZZ
Chen, ZY
Fan, WC
机构：
[1] Univ Sci & Technol China, State Key Lab Fire Sci, Anhua 230026, Peoples R China
[2] Univ Sci & Technol China, Dept Chem, Anhua 230026, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2005年 / 40卷 / 01期
关键词：
D O I：
10.1007/s10853-005-5685-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Intercalated methacryloyl propyltrimethoxysilane (VMMS)-grafted polyethylene (PE-g-VMMS)/organo-montmorillonite (OMT) nanocomposite was prepared by melt intercalation. Its morphology and thermal characteristics were carried out by X-ray diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric analyses (TGA) and dynamic Fourier transfer infrared (FTIR) spectroscopy. The intercalated tactoids of silicate layers within PE-g-VMMS have been verified by XRD and TEM image. TGA profiles of the nanocomposite show that the presence of the silicates exerts a significant stabilization effect on thermal-oxidative degradation process from 250 to 375 degreesC, but less effect above 375 degreesC. Dynamic FTIR spectra reveal that this nanocomposite has a slower thermal-oxidative degradation rate of main chains than that of pure PE-g-VMMS, but a faster rate of the pendant VMMS grafts. (C) 2005 Springer Science + Business Media, Inc.
引用
收藏
页码：43 / 46
页数：4
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