Modification of Carbon Nanotubes and Its Effect on Properties of Carbon Nanotube/Epoxy Nanocomposites

被引：63
|
作者：
Spitalsky, Zdenko [1 ,2 ]
Matejka, Libor [1 ]
Slouf, Miroslav [1 ]
Konyushenko, Elena N. [1 ]
Kovarova, Jana [1 ]
Zemek, Josef [3 ]
Kotek, Jiri [1 ]
机构：
[1] Acad Sci Czech Republic, Inst Macromol Chem, CR-16206 Prague 6, Czech Republic
[2] Slovak Acad Sci, Inst Polymer, Bratislava 84236, Slovakia
[3] Acad Sci Czech Republic, Inst Phys, Prague 16206 6, Czech Republic
来源：
POLYMER COMPOSITES | 2009年 / 30卷 / 10期
关键词：
OLIGOMERIC SILSESQUIOXANES POSS; ORGANIC-INORGANIC NETWORKS; THERMOMECHANICAL PROPERTIES; COMPOSITES; FUNCTIONALIZATION; POLYANILINE; MORPHOLOGY; CHEMISTRY; ACID;
D O I：
10.1002/pc.20701
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
We have studied an effect of three types of modifications of carbon nanotubes (CNTs) on dispersion and mechanical properties of final epoxy-amine based nanocomposites. First approach includes end-walled covalent chemical modification at the ends of nanotubes. The second one is side-walled covalent chemical modification along the whole length of nanotubes. The third procedure is noncovalent, physical modification done by the CNT surface coating with polyaniline. The modification of nanotubes was determined by X-ray photoelectron spectroscopy. The prepared epoxy-amine nanocomposites were characterized by dynamic-mechanical analysis, tensile testing, light microscopy, transmission electron microscopy, and thermogravimetry. We observed an improvement of the mechanical properties and the thermal stability by addition of the carbon nanotubes to the epoxy matrix. The strong interactions between the nanotube and the polymer matrix were discovered in the nanocomposites with physically modified nanotubes. POLYM. COMPOS., 30:1378-1387, 2009. (C) 2008 Society of Plastics Engineers
引用
收藏
页码：1378 / 1387
页数：10
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