Paper Title:
Wet Surface Modification of Light Calcium Carbonate Powder by Aluminate Coupling Agent
  Abstract

The modification of light calcium carbonate powder was studied by wet surface modification in n-Butanol and water solution. The modification process was analyzed by modifying temperature, rotation speed, aluminate coupling agent dosage and n-Butanol percentage. The characters of modified calcium carbonate were investigated by the contact angles with water/glycerol/liquid paraffin/DOP and infrared spectroscopy (IR). The contact angles/water of modified CaCO3 powder obtained in optimum conditions was 134.5°. The results indicated that the surface property of CaCO3 powder changed from the hydrophilicity to the lipophilicity.

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
1967-1970
DOI
10.4028/www.scientific.net/AMR.79-82.1967
Citation
L. C. Li, Y. Zhang, "Wet Surface Modification of Light Calcium Carbonate Powder by Aluminate Coupling Agent", Advanced Materials Research, Vols. 79-82, pp. 1967-1970, 2009
Online since
August 2009
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Price
$32.00
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