Thermal stabilities of vermiculites/polystyrene (VMTs/PS) naonocomposites via in-situ bulk polymerization

被引：6
|
作者：
Tang, Zhaobin [1 ]
Lu, Dan [1 ]
Guo, Jinshan [1 ]
Su, Zhixing [1 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, Inst Polymer Sci & Engn, Lanzhou 730000, Gansu, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 26期
关键词：
vermiculites; polystyrene; nanocomposites; bulk polymerization; thermal stability;
D O I：
10.1016/j.matlet.2008.06.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Serials of vermiculites/polystyrene (VMTs/PS) nanocomposites with different contents of organo-modified vermiculites (organo-VMTs) were successfully prepared by the in-situ bulk polymerization of styrene with the organo-VMTs as macromonomers. The thermogravimetric analysis TGA results showed that the thermal stabilities of the VMTs/PS nanocomposites prepared via the bulk polymerization were better than the pure polystyrene. And the maximum thermal degradation temperature of the nanocomposites increased with the increasing of the amount of the VMTs fillers added. The polymer grafted nanoparticles had lower thermal stabilities than the pure polystyrene because of the lower molecular weight of the grafted polymers. This also showed that the crosslink reactions occurred in the grafted polystyrene chains. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：4223 / 4225
页数：3
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