Additive Manufacturing of Conductive Polymer Nanocomposites Under the Influence of External Magnetic Field

2016 ◽  
Author(s):  
Kiran Babu Koyalamudi ◽  
Ruoyu Yang ◽  
Rahul Rai
Keyword(s):  
Magnetic Field ◽  
Carbon Nanotubes ◽  
Additive Manufacturing ◽  
External Magnetic Field ◽  
Polymer Nanocomposites ◽  
Multiwalled Carbon Nanotubes ◽  
Polymer Matrix ◽  
Conductive Polymer ◽  
Multiwalled Carbon ◽  
Preferential Alignment

Conductive polymer nanocomposites (CPNCs) have gained a lot of attention by the researchers, in recent times, due to their diverse technological applications in different domains. This paper discusses the additive manufacturing of conductive polymer nanocomposite. Maghemite-Multiwalled carbon nanotubes were synthesized, and later dispersed in an acrylate resin, followed by curing with UV DLP 3D printer, under the presence of external magnetic field. Maghemite-Multiwalled carbon nanotubes showed superior magnetic properties, when compared to Multiwalled carbon nanotubes and lead to improvements in preferential alignment of filler material in the polymer matrix. The initial experimental results show preferential alignment of Maghemite-Multiwalled carbon nanotubes in the polymer matrix under the influence of external uniform magnetic field, at an intensity of 120 Gauss.

Polypyrrole/cobalt ferrite/multiwalled carbon nanotubes as an adsorbent for removing uranium ions from aqueous solutions

2016 ◽  
Vol 45 (22) ◽  
pp. 9166-9173 ◽  
Author(s):  
Qi Liu ◽  
Jiahui Zhu ◽  
Lichao Tan ◽  
Xiaoyan Jing ◽  
Jingyuan Liu ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Carbon Nanotubes ◽  
External Magnetic Field ◽  
Aqueous Solutions ◽  
Hydrothermal Method ◽  
Multiwalled Carbon Nanotubes ◽  
Cobalt Ferrite ◽  
Multiwalled Carbon ◽  
Uranium Ions

A novel rod-like, dual-shell structural adsorbent of polypyrrole/cobalt ferrite/multiwalled carbon nanotubes (PPy/CoFe2O4/MWCNTs) was successfully synthesized by a hydrothermal method, which could easily separate uranium(vi) ions with an external magnetic field.

Electrical conductivity of multiwalled carbon nanotubes/polyester polymer nanocomposites

2016 ◽  
Vol 50 (23) ◽  
pp. 3283-3290 ◽  
Author(s):  
K Abazine ◽  
H Anakiou ◽  
M El Hasnaoui ◽  
MPF Graça ◽  
MA Fonseca ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Electrical Conductivity ◽  
Polymer Nanocomposites ◽  
Multiwalled Carbon Nanotubes ◽  
Multiwalled Carbon

scholarly journals Chitosan rods reinforced by aligned multiwalled carbon nanotubes via magnetic-field-assistant in situ precipitation

2011 ◽  
Vol 84 (3) ◽  
pp. 1126-1132 ◽  
Author(s):  
Zhengke Wang ◽  
Hui Zhao ◽  
Li Fan ◽  
Jun Lin ◽  
Pengyu Zhuang ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Multiwalled Carbon

Encapsulating carbon nanotubes with SiO2: a strategy for applying them in polymer nanocomposites with high mechanical strength and electrical insulation

2015 ◽  
Vol 3 (1) ◽  
pp. 187-195 ◽  
Author(s):  
Xiaoliang Zeng ◽  
Shuhui Yu ◽  
Lei Ye ◽  
Mingyang Li ◽  
Zhilong Pan ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Mechanical Strength ◽  
Polymer Nanocomposites ◽  
Multiwalled Carbon Nanotubes ◽  
Electrical Insulation ◽  
Multiwalled Carbon ◽  
High Mechanical Strength ◽  
Filled Polymer ◽  
Printed Circuit

SiO2 coated multiwalled carbon nanotubes filled polymer nanocomposites with high mechanical strength and electrical insulation were developed and employed to fabricate a printed circuit substrate.

scholarly journals Influence of Silanization Treatment on Thermomechanical Properties of Multiwalled Carbon Nanotubes: Poly(methylmethacrylate) Nanocomposites

2011 ◽  
Vol 2011 ◽  
pp. 1-9 ◽  
Author(s):  
Carlos Velasco-Santos ◽  
Ana Laura Martinez-Hernandez ◽  
Witold Brostow ◽  
Victor M. Castaño
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Polymer Matrix ◽  
Mechanical Load ◽  
Mechanical Analysis ◽  
Thermomechanical Properties ◽  
Multiwalled Carbon ◽  
Dynamical Mechanical Analysis ◽  
The Matrix

Unfunctionalized and silanized multiwalled carbon nanotubes (MWNTs) were incorporated in poly(methylmethacrylate) matrices usingin situpolymerization. Polymer-compatible functional groups on carbon nanotube (CNT) surfaces were characterized by infrared spectroscopy. These chemical moieties improve interaction at interfaces, allowing transfer of mechanical load between the matrix and the dispersed phase as reflected in the resulting improved mechanical and thermophysical properties. The composites were characterized by Raman spectroscopy to evaluate molecular level interactions and dynamical mechanical analysis. Composites with silanized CNTs have higher storage modulus (E′) than polymer reinforced with unfunctionalized nanotubes. Considering the average of the samples, only 1 wt.% of silanized nanotubes provides an increase inE′ of 165% at room temperature with respect to polymer matrix, and the increments reached are by a factor of 6.8 and 13.6 over the polymer matrix at 80°C and 90°C, respectively. 1 wt% of silanized CNTs increases the glass transition temperature of polymer matrix around 30°C. Microscratch testing results of composites show that unfunctionalized CNTs cause deeper penetration of the indenter than polymer matrix at the same force; however, the composites developed with silanized CNTs present more regular behavior than polymer reinforced with unfunctionalized CNTs.

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