Structure and properties of polyacrylonitrile/single wall carbon nanotube composite films

Guo, Huina; Sreekumar, T. V.; Liu, Tao; Minus, Marilyn L.; Kumar, Satish

doi:10.1016/j.polymer.2005.02.013

Cited by 118 publications

(88 citation statements)

References 37 publications

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“…These authors predicted an increase in the thermal expansion of a composite material with the addition of nanotubes. This behavior was not observed in experimental works 21,22 with different polymers. Guo et al 21 investigated polyacrylonitrile, and Xu et al 22 studied poly(vinylidene fluoride); both used high SWNT concentrations, 40 wt % and up to 49 vol %, respectively.…”

contrasting

confidence: 52%

Morphology, thermal expansion, and electrical conductivity of multiwalled carbon nanotube/epoxy composites

Santos

Leite

Furtado

et al. 2008

J of Applied Polymer Sci

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Multiwalled carbon nanotube/epoxy composites loaded with up to 0.5 wt % multiwalled carbon nanotubes were prepared and characterized. Infrared microscopy, scanning electron microscopy, thermogravimetry, differential scanning calorimetry, thermomechanical analysis, and electrical conductivity measurements of the composites were performed. Infrared microscopy and scanning electron microscopy images showed that the debundled nanotubes were well dispersed. The thermal expansion coefficients, before and after the glass transition, remained approximately constant with the addition of nanotubes, whereas the electrical conductivity at room temperature increased approximately 5 orders of magnitude. This result was attributed to the thermal expansion coefficients of the intertube gap on the carbon nanotube bundles, which were in the same range as that of the epoxy resin. Therefore, nanocomposites capable of electrostatic dissipation can be processed as neat epoxy materials with respect to the volume changes with temperature.

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contrasting

confidence: 52%

Morphology, thermal expansion, and electrical conductivity of multiwalled carbon nanotube/epoxy composites

Santos

Leite

Furtado

et al. 2008

J of Applied Polymer Sci

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“…By introducing carbon nanotubes (CNT) into a polymer matrix, many properties can be improved at once, including mechanical [4,5], thermo-mechanical [6], electrical [7,8], thermal [9,10], chemical [11] and optical properties [12].…”

Section: Introductionmentioning

confidence: 99%

Influence of hard segment content and nature on polyurethane/multiwalled carbon nanotube composites

Fernández-d’Arlas

Khan

Rueda

et al. 2011

Composites Science and Technology

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This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. carbon nanotubes percolative network formation seemed to be crucial for obtaining significant reinforcement, being observed at this stage, a reduction of ductility, phenomena which is related to an increase on hard domains interconnections by MWCNT. The hard to soft segment ratio into PU plays a crucial role on determining the stress transfer to MWCNT. In addition, PU hard domains nature has important effect on nanotubes reinforcing character, this fact being related to the different PU intrinsic morphologies as well as different PU-MWCNT interactions.

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“…[18] The heterogeneous nature of the surface of graphene oxide flakes with hydrophobic domains isolated by highly oxidized hydrophilic domains makes it difficult to apply traditional strategies for making strong layered nanocomposites with conventional organic binders and crosslinking strategies. [7,22,23] Moreover, unlike "bucky paper" or other nanocomposites made from carbon nanotubes, [24,25] the integration of these graphene oxide nanocomposite films into the flexible electronic devices calls for further reduction by chemical, electrochemical, thermal, photothermal, or hydrothermal routes, which usually involves harsh and toxic chemicals or intensive thermal treatments, thus consequently damaging the structural integrity of the graphene papers and reducing their stability. [26][27][28][29] These conventional reducing techniques also lack selectivity and patternability means, making it challenging to precisely control the reduced area and fabricate conductive circuitries.…”

mentioning

confidence: 99%

Written‐in Conductive Patterns on Robust Graphene Oxide Biopaper by Electrochemical Microstamping

Tolentino

Kulkarni

et al. 2013

Angewandte Chemie

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Structure and properties of polyacrylonitrile/single wall carbon nanotube composite films

Cited by 118 publications

References 37 publications

Morphology, thermal expansion, and electrical conductivity of multiwalled carbon nanotube/epoxy composites

Morphology, thermal expansion, and electrical conductivity of multiwalled carbon nanotube/epoxy composites

Influence of hard segment content and nature on polyurethane/multiwalled carbon nanotube composites

Written‐in Conductive Patterns on Robust Graphene Oxide Biopaper by Electrochemical Microstamping

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