Synthesis and Characterization of Poly(2,5-benzimidazole) (ABPBI) Grafted Carbon Nanotubes

MRS Online Proceedings Library volume 1240, Article number: 902 (2009) Cite this article

Abstract

Single-walled carbon nanotube (SWCNT) and multi-walled carbon nanotube (MWCNT) were functionalized with 3,4-diaminobenzoic acid via “direct” Friedel-Crafts acylation reaction in PPA/P2O5 to afford ortho-diamino-functionalized SWCNT (DIF-SWCNT) and MWCNT (DIF-MWCNT). The resultant DIF-SWCNT and DIF-MWCNT showed improved solubility and dispersibility. To improve interfacial adhesion between CNT and polymer matrix, the grafting of ABPBI onto the surface of DIF-SWCNT (10 wt%) or DIF-MWCNT (10 wt%) was conducted by simple in-situ polymerization of AB monomer, 3,4-diaminobenzoic acid dihydrochloride, in PPA. The resultant ABPBI-g-MWCNT and ABPBI-g-SWCNT showed improved the mechanical and electrical properties.

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Affiliations

  1. School of Energy Engineering, Ulsan National Institute of Science and Technology, Ulsan, 689-805, Korea

    Ji-Ye Kang, Su-Mi Eo & Jong-Beom Baek

  2. Polymer Branch, Materials & Manufacturing Directorate, AFRL/MLBP, Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, OH, 45433, USA

    Loon-Seng Tan

Authors
  1. Ji-Ye Kang
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  2. Su-Mi Eo
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  3. Loon-Seng Tan
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  4. Jong-Beom Baek
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Kang, JY., Eo, SM., Tan, LS. et al. Synthesis and Characterization of Poly(2,5-benzimidazole) (ABPBI) Grafted Carbon Nanotubes. MRS Online Proceedings Library 1240, 902 (2009). https://doi.org/10.1557/PROC-1240-WW09-02

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