Effect of Palmitic Acid on the Electrical Conductivity of Carbon Nanotubes−Epoxy Resin Composites | Zendy

Sophie Barrau | Zendy; Philippe Demont | Zendy; Émile Perez | Zendy; Alain Peigney | Zendy; Christophe Laurent | Zendy; C. Lacabanne | Zendy

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Effect of Palmitic Acid on the Electrical Conductivity of Carbon Nanotubes−Epoxy Resin Composites

Author(s) -

Sophie Barrau,

Philippe Demont,

Émile Perez,

Alain Peigney,

Christophe Laurent,

C. Lacabanne

Publication year - 2003

Publication title -

macromolecules

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.994

H-Index - 313

eISSN - 1520-5835

pISSN - 0024-9297

DOI - 10.1021/ma030399m

Subject(s) - citation , epoxy , carbon nanotube , computer science , composite material , materials science , polymer science , artificial intelligence , library science

We found that the palmitic acid allows an efficient dispersion of carbon nanotubes in the epoxy matrix. We have set up an experimental protocol in order to enhance the CNTs dispersion in epoxy resin. Electrical conductivity is optimal using a 1:1 CNTs to palmitic acid weight ratio. The associated percolation threshold is found between 0.05 and 0.1 wt % CNTs, i.e., between 0.03 and 0.06 vol %. The SEM image shows essentially individual CNTs which is inagreement with conductivity measurements. In comparison with composites without palmitic acid, the use of palmitic acid improves the electrical properties of CNTs-epoxy resin composites

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