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Updated: Aug 24, 2026

Preparation of DNA-crosslinked Polyacrylamide Hydrogels
Published on: August 27, 2014
Preparation of polyacrylamide and gamma-zirconium phosphate nanocomposites by intercalative polymerization
Junzhong Wang1, Yuan Hu, Baoguang Li
1State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui 230026, PR China.
Abstract:
A new inorganic-organic nanocomposite of polyacrylamide (PAM) and gamma-zirconium phosphate (gamma-ZrP) was prepared by intercalative polymerization. Intercalation of acrylamide (AM) monomer in gamma-ZrP was investigated by sonochemical and refluxing methods. High-intensity ultrasound does not induce the polymerization of AM but enhances greatly the intercalation rate. On the other hand, ultrasound also enhanced hydrolyzation of -CONH2 and shrinkage of PAM gel. The interlayer distance of AM-intercalated gamma-ZrP is 16.4 A. The polymerization and intercalation of AM occurred nearly at the same time by refluxing method. The same gamma-ZrP/PAM nanocomposites were obtained with (NH4)2S2O8 treatment.
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