Functionalized polypropylenes as efficient dispersing agents for carbon nanotubes in a polypropylene matrix; application to electromagnetic interference (EMI) absorber materials

Polymer ◽  
2010 ◽  
Vol 51 (1) ◽  
pp. 115-121 ◽  
Author(s):  
Jean-Michel Thomassin ◽  
Isabelle Huynen ◽  
Robert Jerome ◽  
Christophe Detrembleur
Keyword(s):  
Carbon Nanotubes ◽  
Electromagnetic Interference ◽  
Matrix Application ◽  
Polypropylene Matrix ◽  
Dispersing Agents

Differential sub-cellular processing of single-wall carbon nanotubes via interfacial modifications

2015 ◽  
Vol 3 (30) ◽  
pp. 6274-6284 ◽  
Author(s):  
Brian D. Holt ◽  
Kris Noel Dahl ◽  
Mohammad F. Islam
Keyword(s):  
Carbon Nanotubes ◽  
Fluorescence Lifetime ◽  
Real Space ◽  
Single Wall Carbon Nanotubes ◽  
Cellular Trafficking ◽  
Fluorescence Lifetime Imaging ◽  
Single Wall Carbon ◽  
Lifetime Imaging ◽  
Cellular Processing ◽  
Dispersing Agents

Real-space and fluorescence lifetime imaging reveal that non-covalently attached dispersing agents influence sub-cellular trafficking and localization of carbon nanotubes.

scholarly journals Metal Organic Frameworks Derived Fe-N-C Nanostructures as High-Performance Electrodes for Sodium Ion Batteries and Electromagnetic Interference (EMI) Shielding

Molecules ◽  
2021 ◽  
Vol 26 (4) ◽  
pp. 1018
Author(s):  
Vadahanambi Sridhar ◽  
Inwon Lee ◽  
Hyun Park
Keyword(s):  
Carbon Nanotubes ◽  
Graphene Oxide ◽  
Electromagnetic Interference ◽  
Sodium Ion ◽  
Iron Nitride ◽  
Sodium Ion Batteries ◽  
Nitrogen Doped ◽  
Wide Range ◽  
Metal Organic ◽  
Nitrogen Doped Carbon

Metal organic framework (MOF)-derived carbon nanostructures (MDC) synthesized by either calcinations or carbonization or pyrolysis are emerging as attractive materials for a wide range of applications like batteries, super-capacitors, sensors, water treatment, etc. But the process of transformation of MOFs into MDCs is time-consuming, with reactions requiring inert atmospheres and reaction time typically running into hours. In this manuscript, we report the transformation of 1,4-diazabicyclo[2.2.2]octane, (DABCO)-based MOFs into iron nitride nanoparticles embedded in nitrogen-doped carbon nanotubes by simple, fast and facile microwave pyrolysis. By using graphene oxide and carbon fiber as microwave susceptible surfaces, three-dimensional nitrogen-doped carbon nanotubes vertically grown on reduced graphene oxide (MDNCNT@rGO) and carbon fibers (MDCNT@CF), respectively, were obtained, whose utility as anode material in sodium-ion batteries (MDNCNT@rGO) and for EMI (electromagnetic interference) shielding material (MDCNT@CF) is reported.

scholarly journals Electromagnetic Interference Shielding Efficiency in the Range 8.2-12.4 GHz of Polymer Composites with Dispersed Carbon Nanoparticles

2011 ◽  
Vol 14 (1) ◽  
pp. 55 ◽  
Author(s):  
Anna V. Gubarevich ◽  
Kazuki Komoriya ◽  
Osamu Odawara
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Black ◽  
Polymer Composites ◽  
Electromagnetic Interference ◽  
Carbon Nanoparticles ◽  
Hot Press ◽  
Frequency Range ◽  
Electromagnetic Interference Shielding ◽  
X Band ◽  
Graphite Nanoparticles

In the present work, electromagnetic interference shielding properties of polymer composites with dispersed cup-stacked carbon nanotubes, graphite nanoparticles and carbon black were investigated. The polymer composites with carbon nanoparticles content from 1 to 5 w% were successfully prepared by the coagulation method, and composite sheets with thickness from 0.25 to 0.77 mm were formed by the hot press technique. The electromagnetic interference shielding efficiency measured in the frequency range of 8.2~12.4 GHz (X-band) of cup-stacked carbon nanotubes/polymer composite was considerably higher than that of carbon black and graphite nanoparticles polymer composites at the same contents of carbon nanoparticles, and contribution of absorption to the shielding efficiency was found to be higher than that of reflection.

Anionic, Cationic, and Nonionic Surfactants Used as Dispersing Agents for Carbon Nanotubes and Their Effect on Cement Hydration

2021 ◽  
Vol 33 (11) ◽  
pp. 04021325
Author(s):  
Oscar Aurelio Mendoza Reales ◽  
Yhan Paul Arias Jaramillo ◽  
Cáterin Ocampo ◽  
Juan Carlos Ochoa Botero ◽  
Jorge Hernán Quintero ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Nonionic Surfactants ◽  
Cement Hydration ◽  
Dispersing Agents
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