Morphology and Properties of Waterborne Polyurethane/CNT Nanocomposite Adhesives with Various Carboxyl Acid Salt Groups

被引：23

作者：

Rahman, Mohammad Mizanur ^{[1
]}

Kim, Eun Young ^{[1
]}

Lim, Kwon Taek ^{[2
]}

Lee, Won-Ki ^{[1
]}

机构：

[1] Pukyong Natl Univ, Div Chem Engn, Pusan 608739, South Korea

[2] Pukyong Natl Univ, Div Image & Informat Engn, Pusan 608739, South Korea

来源：

JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY | 2009年 / 23卷 / 06期

关键词：

Polyurethanes; adhesives; CNT; nanocomposites; ELECTRICAL-CONDUCTIVITY; EPOXY NANOCOMPOSITES; NANOTUBES; COMPOSITES; FUNCTIONALIZATION; REINFORCEMENT;

D O I：

10.1163/156856109X411210

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Three series of waterborne polyurethane (WBPU)/carbon nanotube (CNT) nanocomposites were prepared, and their morphology and properties with various 2,2-dimethylol propionic acid (DMPA) and CNT contents were investigated. The CNTs were homogeneously dispersed up to the optimum content in WBPU/CNT nanocomposite films. The degree of homogeneous CNT dispersion increased with increasing DMPA content in WBPU/CNT nanocomposite films. The optimum CNT content showed maximum tensile strength, Young's modulus and adhesive strength of WBPU/CNT nanocomposite film. The optimum CNT contents for WBPU/CNT nanocomposite samples containing 3.61, 5.16 and 5.86 wt% DMPA were about 0.50, 1.00 and 1.50 wt%, respectively. The WBPU/CNT nanocomposite adhesive showed higher adhesive strength at moderately high temperatures (40/60/80/100 degrees C) compared to conventional WBPU. The highest adhesive strength at moderately high temperatures was found with 5.86 wt% DMPA and 1.5 wt% CNT content. (C) Koninklijke Brill NV, Leiden, 2009

引用

页码：839 / 850

页数：12

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