Paper Title:
Study of Adsorptive Behaviors of Aminosulfonic Acid-Based Superplasticizer on the Calcium Sulphoaluminate Mineral
  Abstract

Calcium sulphoaluminate (3CaO·3Al2O3·CaSO4, ) was synthesized with pure chemical reagents. The adsorbed amount of aminosulfonic acid-based superplasticizer (AS) on the surface of mineral and the mineral mixture (mixture of the , Ca(OH)2 and CaSO4·2H2O) were detected by ultraviolet-visible absorption spectrometry. The adsorptive behaviors of AS on the surface of mineral particles in the hydration system were studied. The results showed that: the adsorbed amount of AS on mineral and the mineral mixture increased with higher initial concentration; the adsorption amount and the maximum adsorption amount increased with prolonged hydration time; the adsorption amount and the maximum adsorption amount of AS on the mineral mixture was more than those on the mineral in the hydration system within the same hydration time.

  Info
Periodical
Advanced Materials Research (Volumes 306-307)
Chapter
Chapter 8: Constructional Materials
Edited by
Shiquan Liu and Min Zuo
Pages
1042-1046
DOI
10.4028/www.scientific.net/AMR.306-307.1042
Citation
T. Liu, Y. J. Li, B. L. Li, Y. C. Wu, W. S. Wang, X. C. Liu, "Study of Adsorptive Behaviors of Aminosulfonic Acid-Based Superplasticizer on the Calcium Sulphoaluminate Mineral", Advanced Materials Research, Vols. 306-307, pp. 1042-1046, 2011
Online since
August 2011
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Price
$32.00
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