Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 149, Issue 1, Pages 75-79Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2007.03.048
Keywords
hyperbranched aliphatic polyester; attapulgite; adsorption properties; heavy metal ions
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The AB(2) type monomer, 2,2-bis (hydroxymethyl) propionic acid (bis-MPA), was successfully grafted from the surfaces of the amino groups modified attapulgite nano-fibrillar clay (A-ATP) via a melt polycondensation method with p-toltienesulfonic acid (p-TSA) as catalyst. The competitive adsorption properties of the hyperbranched aliphatic polyester grafted attapulgite (HAPE-ATP) towards the heavy metal ions (Cu(II), Hg(II), Zn(II), and Cd(II)) were investigated preliminarily. (C) 2007 Elsevier B.V. All rights reserved.
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