Surface improvement of halloysite nanotubes

Tayser Sumer Gaaz, Abu Bakar Sulong, Abdul Amir H. Kadhum, Mohamed H. Nassir, Ahmed A. Al-Amiery

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A novel development on halloysite-polyvinyl alcohol (HNTs-PVA) nanocomposites has been conducted using malonic acid (MA) by crosslinking PVA and HNTs. PVA-MA crosslinking produces smooth surfaces, which play an important role in enhancing the properties of HNTs-PVA nanocomposite. The crystallographic structures of crosslinked HNTs-PVA show almost no change as depicted by the X-ray diffraction (XRD)-2θ peak, suggesting that MA has no or little influence on the crystallographic structure of the HNTs-PVA. Images taken by field emission scanning electron microscope (FESEM) suggest possible effects of MA on the morphology and internal features of HNTs-PVA by reducing the agglomeration of HNTs, which is considered a decisive step in improving the surface qualities of HNTs. Investigating the samples using the Brunauer-Emmelt-Teller (BET) technique showed that the surface area was increased by about 10 times, reaching the second highest recorded results compared to the HNTs, which could be considered a breakthrough step in enhancing the properties of HNTs-PVA due to MA crosslinking.

Original languageEnglish
Article number291
JournalApplied Sciences (Switzerland)
Volume7
Issue number3
DOIs
Publication statusPublished - 2017

Fingerprint

Nanotubes
nanotubes
crosslinking
acids
Acids
Crosslinking
Nanocomposites
nanocomposites
Polyvinyl Alcohol
polyvinyl alcohol
Polyvinyl alcohols
agglomeration
Field emission
Surface properties
field emission
Electron microscopes
Agglomeration
electron microscopes
malonic acid
clay

Keywords

  • Halloysite
  • Malonic acid
  • Nanotubes
  • Polyvinyl

ASJC Scopus subject areas

  • Materials Science(all)
  • Instrumentation
  • Engineering(all)
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes

Cite this

Gaaz, T. S., Sulong, A. B., Kadhum, A. A. H., Nassir, M. H., & Al-Amiery, A. A. (2017). Surface improvement of halloysite nanotubes. Applied Sciences (Switzerland), 7(3), [291]. https://doi.org/10.3390/APP7030291

Surface improvement of halloysite nanotubes. / Gaaz, Tayser Sumer; Sulong, Abu Bakar; Kadhum, Abdul Amir H.; Nassir, Mohamed H.; Al-Amiery, Ahmed A.

In: Applied Sciences (Switzerland), Vol. 7, No. 3, 291, 2017.

Research output: Contribution to journalArticle

Gaaz, TS, Sulong, AB, Kadhum, AAH, Nassir, MH & Al-Amiery, AA 2017, 'Surface improvement of halloysite nanotubes', Applied Sciences (Switzerland), vol. 7, no. 3, 291. https://doi.org/10.3390/APP7030291
Gaaz, Tayser Sumer ; Sulong, Abu Bakar ; Kadhum, Abdul Amir H. ; Nassir, Mohamed H. ; Al-Amiery, Ahmed A. / Surface improvement of halloysite nanotubes. In: Applied Sciences (Switzerland). 2017 ; Vol. 7, No. 3.
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