Journal ArticleDOI
Dispersion and functionalization of carbon nanotubes for polymer-based nanocomposites: a review
TLDR
In this paper, a review of the current understanding of carbon nanotubes and CNT/polymer nanocomposites with two particular topics: (i) the principles and techniques for CNT dispersion and functionalization and (ii) the effects of CNT-based functionalization on the properties of polymers.Abstract:
Carbon nanotubes (CNTs) hold the promise of delivering exceptional mechanical properties and multi-functional characteristics. Ever-increasing interest in applying CNTs in many different fields has led to continued efforts to develop dispersion and functionalization techniques. To employ CNTs as effective reinforcement in polymer nanocomposites, proper dispersion and appropriate interfacial adhesion between the CNTs and polymer matrix have to be guaranteed. This paper reviews the current understanding of CNTs and CNT/polymer nanocomposites with two particular topics: (i) the principles and techniques for CNT dispersion and functionalization and (ii) the effects of CNT dispersion and functionalization on the properties of CNT/polymer nanocomposites. The fabrication techniques and potential applications of CNT/polymer nanocomposites are also highlighted.read more
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Journal ArticleDOI
Improved impact strength of epoxy by the addition of functionalized multiwalled carbon nanotubes and reactive diluent
Wellington Marcos da Silva,Hélio Ribeiro,Juliana Cardoso Neves,Alexandre Rangel de Sousa,Glaura G. Silva +4 more
TL;DR: In this paper, the effects of the nanofillers and diluent on the mechanical properties of nanocomposites were evaluated using tensile and impact tests, and the results showed higher gains (258% increase) in the impact strength of aminated multiwalled carbon nanotubes (MWCNTs).
Journal ArticleDOI
Effects of sonication energy on the dispersion of carbon nanotubes in a vinyl ester matrix and associated thermo-mechanical properties
TL;DR: In this article, a systematic examination of sonication energy and the subsequent dispersion condition of nanoparticles in a vinyl ester resin was performed, where the nanoparticles were multi-walled carbon nanotubes (MWCNTs) functionalized with carboxylic acid groups.
Book ChapterDOI
Polymer/Carbon Nanotubes Mixed Matrix Membranes for Water Purification
TL;DR: In this article, the application of carbon nanotubes in water purification, the synthesis and functionalization of CNT, the water transport mechanism through CNTs, the fabrication of carbon-nanotubes-embedded mixed matrix membranes (MMMs), and more details on the status of the CNT-based membranes in the Water purification market and its current challenges are comprehensively discussed.
Journal ArticleDOI
A new green switchable hydrophobic–hydrophilic transition dispersive solid–liquid microextraction of selenium in water samples
TL;DR: In this paper, a switchable hydrophobic-hydrophilic transition dispersive solid-liquid microextraction (SHT-DSLME) method was used for the first time as a dispersive/extractive method for the removal of total selenium from real samples.
Journal ArticleDOI
Semi-Continuous Adsorption Processes with Multi-Walled Carbon Nanotubes for the Treatment of Water Contaminated by an Organic Textile Dye
TL;DR: In this paper, the optimal conditions for the discoloration of water contaminated by an azoic organic textile dye were investigated, in particular, as representative of contaminated water, a highly concentrated solution of Reactive Black 5 (RB5) equal to 37 mg/L was utilized.
References
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Journal ArticleDOI
Helical microtubules of graphitic carbon
TL;DR: Iijima et al. as mentioned in this paper reported the preparation of a new type of finite carbon structure consisting of needle-like tubes, which were produced using an arc-discharge evaporation method similar to that used for fullerene synthesis.
Journal ArticleDOI
Processable aqueous dispersions of graphene nanosheets
TL;DR: It is reported that chemically converted graphene sheets obtained from graphite can readily form stable aqueous colloids through electrostatic stabilization, making it possible to process graphene materials using low-cost solution processing techniques, opening up enormous opportunities to use this unique carbon nanostructure for many technological applications.
Journal ArticleDOI
Chemical methods for the production of graphenes.
Sungjin Park,Rodney S. Ruoff +1 more
TL;DR: The use of colloidal suspensions to produce new materials composed of graphene and chemically modified graphene is reviewed, which is both versatile and scalable, and is adaptable to a wide variety of applications.
Journal ArticleDOI
Crystalline Ropes of Metallic Carbon Nanotubes
Andreas Thess,R. S. Lee,Pavel Nikolaev,Hongjie Dai,Pierre Petit,J. Robert,Chunhui Xu,Young Hee Lee,Seong-Gon Kim,Andrew G. Rinzler,Daniel T. Colbert,Gustavo E. Scuseria,David Tománek,John E. Fischer,Richard E. Smalley +14 more
TL;DR: X-ray diffraction and electron microscopy showed that fullerene single-wall nanotubes (SWNTs) are nearly uniform in diameter and that they self-organize into “ropes,” which consist of 100 to 500 SWNTs in a two-dimensional triangular lattice with a lattice constant of 17 angstroms.
Journal ArticleDOI
Advances in the science and technology of carbon nanotubes and their composites: a review
TL;DR: A review of recent advances in carbon nanotubes and their composites can be found in this article, where the authors examine the research work reported in the literature on the structure and processing of carbon Nanotubes.