On the silica/PMMA nanocomposites

被引：0
|
作者：
Hong, RY [1 ]
Pan, TG [1 ]
Fu, HP [1 ]
Liu, L [1 ]
Li, HZ [1 ]
机构：
[1] Soochow Univ, Dept Chem Engn, Suzhou 215006, Peoples R China
来源：
Proceedings of 2005 International Conference on Advanced Fibers and Polymer Materials (ICAFPM 2005), Vol 1 and 2: NEW CENTURY , NEW MATERIALS AND NEW LIFE | 2005年
关键词：
nanocomposites; surface modification; silica;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Polymethyl methacrylate (PMMA) was introduced onto the surface of silane coupling agent (KH570) pretreated silica nanoparticles in solution polymerization. The surface structure and characteristics of modified silica powder were studied by FT-IR, SEM and TGA, etc. The sedimentation experiment was employed for the suspensions of the SiO2-g-PMMA hybrid nanoparticles in organic solvent to observe the stability. The modified powders and AIBN were added into MMA monomers, and silica/PMMA nanocomposites were synthesized. The nanocomposites were characterized by UV-vis, Sclerometer, DSC, etc. The results showed that the glass transition temperature and hardness of the silica modified PMMA increased, while the transparency decreased.
引用
收藏
页码：765 / 770
页数：6
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