Synergistic effect of carbon black and nanoclay fillers in styrene butadiene rubber matrix: Development of dual structure

被引：151

作者：

Praveen, S. ^{[1
]}

Chattopadhyay, P. K. ^{[1
]}

Albert, P. ^{[2
]}

Dalvi, V. G. ^{[2
]}

Chakraborty, B. C. ^{[2
]}

Chattopadhyay, S. ^{[1
]}

机构：

[1] Indian Inst Technol, Ctr Rubber Technol, Kharagpur 721302, W Bengal, India

[2] Naval Mat Res Lab, Bombay 421506, Maharashtra, India

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2009年 / 40卷 / 03期

关键词：

Hybrid; Nano-structures; Thermomechanical property; Electron microscopy; DYNAMIC-MECHANICAL PROPERTIES; LAYERED SILICATE; NANOCOMPOSITES; MODULUS; CLAY;

D O I：

10.1016/j.compositesa.2008.12.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Styrene butadiene rubber (SBR) based hybrid nanocomposites containing carbon black (CB) and organomodified nanoclay (NC) was prepared. X-ray diffraction (XRD) and transmission electron microscopy (TEM) revealed the presence of intercalated, aggregated, and partially exfoliated structures. Incorporating 10 phr NC to the control SBR containing 20 phr CB resulted 153% increase in tensile strength, 157% increase in elongation at break and 144% stress improvement at 100% strain, which showed synergistic effect between the fillers. The dynamic modulus reinforcement of nanocomposites was examined by the Guth, Modified Guth, and Halpin-Tsai equations. For predicting CB filled nanocomposite modulus, the contribution of modified intercalated structure of clay and the 'nano-unit' (dual structure) comprising CB-NC should be considered. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：309 / 316

页数：8

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