Grafting of alkoxyamine end-capped (co)polymers onto multi-walled carbon nanotubes

Lou, Xudong; Detrembleur, Christophe; Sciannamea, Valérie; Pagnoulle, Christine; Jérôme, Robert

doi:10.1016/j.polymer.2004.06.050

Cited by 117 publications

(69 citation statements)

References 22 publications

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“…Then, the acyl chloride functionalized carbon nanotubes were reacted with the hydroxyl groups of dendritic poly(ethylene glycol) polymers via esterification reactions. Another original example of the "grafting-to" approach has been reported by Lou et al [73] In this work, MWNTs have been grafted with polystyrene, poly(e-caprolactone), and their block copolymers by addition reactions of the correspondent alkoxyamine-terminated precursors.…”

Section: Functionalization Of Carbon Nanotubes With Polymer Moleculesmentioning

confidence: 99%

Mechanical Reinforcement of Polymers Using Carbon Nanotubes

2006

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Owing to their unique mechanical properties, carbon nanotubes are considered to be ideal candidates for polymer reinforcement. However, a large amount of work must be done in order to realize their full potential. Effective processing of nanotubes and polymers to fabricate new ultra‐strong composite materials is still a great challenge. This Review explores the progress that has already been made in the area of mechanical reinforcement of polymers using carbon nanotubes. First, the mechanical properties of carbon nanotubes and the system requirements to maximize reinforcement are discussed. Then, main methods described in the literature to produce and process polymer–nanotube composites are considered and analyzed. After that, mechanical properties of various nanotube–polymer composites prepared by different techniques are critically analyzed and compared. Finally, remaining problems, the achievements so far, and the research that needs to be done in the future are discussed.

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Section: Functionalization Of Carbon Nanotubes With Polymer Moleculesmentioning

confidence: 99%

Mechanical Reinforcement of Polymers Using Carbon Nanotubes

2006

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“…Recently, because a large quantity composition technology was established, the cost of CNT decreased and then the applications to various fields became more and active. Many researches on mechanical, thermal and electric characterizations of CNT reinforced polymers are reported, such as CNT/polystyrene [6][7][8], CNT/PVA [9], CNT/PVDF [10], CNT/PP [11][12][13][14][15][16][17], CNT/nylon [18], and CNT/epoxy [19][20][21] etc.…”

Section: Introductionmentioning

confidence: 99%

Shape memory effect and mechanical properties of carbon nanotube/shape memory polymer nanocomposites

Zhang

Fu³

et al. 2007

Composite Structures

228

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Abstract:Carbon nanotubes (CNT) have remarkable mechanical properties with very high elastic modulus and electrical conductivity. Shape memory polymer (SMP) as one of smart materials is characterized with its remarkable recoverability and shape memory effect, but its mechanical properties such as strength and elastic modulus is not high enough. In this study, CNT/SMP nanocomposites were developed with the typical CNTs of the vapor growth carbon fibers (VGCFs). A fine and homogeneous dispersion of VGCF throughout the SMP matrix is obtained. The specimens with different VGCF weight fraction, such as SMP bulk, 1.7wt%, 3.3wt% and 5.0wt%, were prepared, and their dynamic mechanical properties and shape recovery behavior were investigated. It was found that storage elastic modulus is improved obviously with increment of VGCF weight fraction, and the CNT/SMP nanocomposites showed a good shape memory effect. It is indicated that the recovery stress of CNT/SMP nanocomposites with only 3.3% weight fraction of carbon nanotubes will reach almost twice of that in SMP bulk.

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“…A strategy to graft alkoxyamine end-capped (co)polymers onto MWNTs [28] Additionally, MWNTs have been modified by PS, PCL, and PCL-b-PS as results of the addition reaction of the parent polymeric radicals. Grafted MWNTs can easily be dispersed in solvents such as toluene and THF with the help of these grafted polymers [28] . A general route for the 1, 3-dipolar cycloaddition of azomethine ylides functionalization of nanotubes is described in Figure 13.…”

Section: Reactions With Other Groups On Cntsmentioning

confidence: 99%