Paper Title:
Preparation of pH Sensitive Polyacrylic Acid(PAAc) Macroporous Hydrogels in Aqueous NaCl Solutions and their Characterization
  Abstract

In this study, macroporous, pH sensitive polyacrylic acid hydrogels were prepared by using different concentration of aqueous NaCl solutions as the polymerization medium. The optical photos showed that the pore morphologies of the hydrogels were dependent on the concentration of NaCl. Swelling studies showed an increase in equilibrium swelling ratio as the NaCl concentration in the polymerization medium increased from 0 to 0.7mol/L. The hydrogels exhibited stronger sensitivity to pH changes, and showed much faster reswelling and deswelling response rates with the NaCl concentration increasing in the polymerization medium.

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
1999-2002
DOI
10.4028/www.scientific.net/AMR.79-82.1999
Citation
Y. H. Xue, W. Y. Zhao, S. F. Sun, H. Yu, "Preparation of pH Sensitive Polyacrylic Acid(PAAc) Macroporous Hydrogels in Aqueous NaCl Solutions and their Characterization ", Advanced Materials Research, Vols. 79-82, pp. 1999-2002, 2009
Online since
August 2009
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