English, Article edition: HYPERBRANCHED ALIPHATIC POLYESTER MODIFIED ACTIVATED CARBON PARTICLES WITH HOMOGENIZED SURFACE GROUPS PENG LIU; LIUXUE ZHANG

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Bookmark: http://trove.nla.gov.au/version/83963
Physical Description
  • article
Language
  • English

Edition details

Title
  • HYPERBRANCHED ALIPHATIC POLYESTER MODIFIED ACTIVATED CARBON PARTICLES WITH HOMOGENIZED SURFACE GROUPS
Author
  • PENG LIU
  • LIUXUE ZHANG
Physical Description
  • article
Notes
  • The hyperbranched aliphatic polyester grafted activated carbon (HAPE-AC), was successfully prepared by the simple "one-pot" method. The surface functional groups of commercial activated carbon particles were homogenized to hydroxyl groups by being oxidized with nitric acid and then reduced with lithium tetrahydroaluminate (LiAlH4) at first. Secondly, the surface hydroxyl groups were used as the active sites for the solution polycondensation of the AB2 monomer, 2, 2-bis(hydroxymethyl)propionic acid (bis-MPA), with the catalysis of p-toluenesulfonic acid (p-TSA). The homogenization of the surface groups of the activated carbon particles and the graft polymerization of the hyperbranched aliphatic polyester were investigated by X-ray photoelectron spectroscopy (XPS) technique. The products were also characterized with Fourier transform infrared (FT-IR) and scanning electron microscope (SEM). The competitive adsorption properties of the products toward the heavy metal ions (Cu(II), Hg(II), Zn(II), and Cd(II)) also proved the translations of the surface groups.
  • Activated carbon, homogenization of surface groups, hyperbranched aliphatic polyester, X-ray photoelectron spectroscopy, adsorption
  • RePEc:wsi:srlxxx:v:14:y:2007:i:06:p:1025-1032
Language
  • English
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