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Journal of Materials Science

, Volume 42, Issue 8, pp 2775–2781 | Cite as

Preparation and characterization of hydrophobically modified polyacrylamide hydrogels by grafting glycidyl methacrylate

  • Ping’an SongEmail author
  • Yafeng Zhang
  • Jianzheng Kuang
Article

Abstract

A modified polyacrylamide (PAM-g-GMA) has been prepared by ring-opening reaction of glycidyl methacrylate (GMA) monomer grafted onto the –COO groups of partially hydrolytic polyacrylamide (PAM) chain. The modified polyacrylamide hydrogels were obtained via a free radical polymerization of PAM-g-GMA without adding any a crosslinker using potassium persulfate (KPS), as initiator, and triethanolamine (TEA), as a coupling agent in aqueous solution. The molecular structure of PAM-g-GMA was characterized by FT-IR, 1H-NMR, and the thermal behaviors of hydrogels were studied by DSC. Furthermore, the swelling property and compressive properties of PAM-g-GMA hydrogels were investigated. The results show that the modified polyacrylamide hydrogels exhibit a remarkable hydration-dehydration change in response to pH in aqueous media and also undergo dramatic increase in volume with increasing temperature. So the modified polyacrylamide hydrogels will have promising and wide applications such as pharmaceutical use, water retention, electrophoretic media and so on.

Keywords

Compressive Strength Glycidyl Methacrylate Acrylamido Sulfonic Acid Sodium Salt Carboxamido 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The author wants to thank Dr. Weidong Li for his assistance in the amending work.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Guangzhou Institute of ChemistryChinese Academy of SciencesGuangzhouP.R. China
  2. 2.Guangdong Research and Development Center of Chemical Grouting Engineering TechnologyGuangzhouP.R. China

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