Studies on Thermal and Dynamic Viscoelastic Behaviors of Multiwalled Carbon Nanotubes-reinforced Epoxy Matrix Composites

被引：0

作者：

Seo, Min-Kang ^{[1
]}

Park, Soo-Jin ^{[1
]}

机构：

[1] Korea Res Inst Chem Technol, Adv Mat Div, 100 Jang Dong, Daejeon 305600, South Korea

来源：

KOREAN CHEMICAL ENGINEERING RESEARCH | 2005年 / 43卷 / 03期

关键词：

Multiwalled Carbon Nanotubes (MWNTs); Chemical Treatment; Thermal Stability; Dynamic Viscoelastic Behaviors;

D O I：

暂无

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this work, the effect of chemical treatment of multiwalled carbon nanotubes (MWNTs) on glass transition temperature (Tg), thermal stability, and dynamic viscoelastic behaviors of MWNTs-reinforced epoxy matrix composites has been studied by differencial scanning calorimeter (DSC), thermogravimetric analysis (TGA), and dynamic mechanical analysis (DMA) measurements. The MWNTs were chemically treated with 35 wt% H3PO4 (A-MWNTs) or 35 wt% KOH (B-MWNTs) solutions and the changes of surface properties of chemically treated MWNTs were examined by pH, acid and base values, Fourier transfer-infrared spectroscopy (FT-IR), and x-ray photoelectron spectroscopy (XPS) analyses. The chemical treatments based on acid and base reactions led to a significant change of surface characteristics and chemical compositions of the MWNTs, especially A-MWNTs/epoxy composites had higher thermal stability and dynamic viscoelastic properties than those of B-MWNTs and non-treated MWNTs/epoxy composites. These results were probably due to the improvement of interfacial bonding strength, resulting from the acid-base interaction and hydrogen bonding between the epoxy resins and the MWNT fillers.

引用

页码：401 / 406

页数：6