Reinforcement in thermal and viscoelastic properties of polystyrene by in-situ incorporation of organophilic montmorillonite

被引：7

作者：

Wang, Guan-Hai ^{[1
]}

Zhang, Li-Ming ^{[1
]}

机构：

[1] Sun Yat Sen Zhongshan Univ, Lab Polymer Composite & Funct Mat, Inst Optoelect & Funct Composite Mat, Sch Chem & Chem Engn, Guangzhou 510275, Peoples R China

来源：

APPLIED CLAY SCIENCE | 2007年 / 38卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

organoclay; nanocomposites; polystyrene; in-situ polymerization; thermal properties; viscoelastic properties;

D O I：

10.1016/j.clay.2007.02.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A commercial organophilic montmorillonite (Claytone APA) was used to modify the properties of polystyrene by in-situ incorporation method, in which the polymerization of styrene was carried out in the presence of Claytone APA. It was found that this organoclay could be easily dispersed and swollen in styrene monomer. For the resultant polystyrene nanocomposites, the intercalated microstructure was confirmed by X-ray diffraction (XRD) and transmission electron microscopy (TEM), and their thermal and viscoelastic properties were investigated by means of thermogravimetric analyses and theological parameter measurements. Compared with pure PS, the modified PS samples investigated are characteristic of enhanced thermal stability, stronger shear-thinning behavior as well as greater storage and loss moduli. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：17 / 22

页数：6

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