Phase Transition Behavior of Poly(N-isopropylacrylamide-co-N,Ndimethylaminopropylacrylamide) Hydrogels

Authors

  • Eui-Chul Kang Divison of Chemial Engineering, Pusan National University, 30 Changjun-dong, Kumjung-gu, Pusan 609-735, Korea
  • Na-Young Hong Divison of Chemial Engineering, Pusan National University, 30 Changjun-dong, Kumjung-gu, Pusan 609-735, Korea
  • Chun-Hag Jang Divison of Chemial Engineering, Pusan National University, 30 Changjun-dong, Kumjung-gu, Pusan 609-735, Korea
  • Ki-Won Song Divison of Chemial Engineering, Pusan National University, 30 Changjun-dong, Kumjung-gu, Pusan 609-735, Korea
  • Jang-Oo Lee Divison of Chemial Engineering, Pusan National University, 30 Changjun-dong, Kumjung-gu, Pusan 609-735, Korea

DOI:

https://doi.org/10.18321/ectj523

Abstract

The copolymer hydrogel of N-isopropylacrylamide (NIPAAm) and N,N-dimethylaminopropylacrylamide (DMAPAA) was synthesized by free radical copolymerization. The phase transition behavior of p(NIPAAmco-DMAPAA) hydrogels as a function of temperature and SDS concentration was studied. The p(NIPAAmco-DMAPAA) hydrogels exhibited larger swelling capacity than the homo p(NIPAAm) hydrogel. The phase transition temperature of p(NIPAAm-co-DMAPAA) hydrogels increased with an increase of DMAPAA content. In aqueous SDS solution, the swelling capacity of p(NIPAAm-co-DMAPAA) hydrogel decreased with an increase of SDS concentration. The phase transition temperature of p(NIPAAm-co-DMAPAA) hydrogels was found to be almost independent of the SDS concentration.

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Published

2002-03-20

How to Cite

Kang, E.-C., Hong, N.-Y., Jang, C.-H., Song, K.-W., & Lee, J.-O. (2002). Phase Transition Behavior of Poly(N-isopropylacrylamide-co-N,Ndimethylaminopropylacrylamide) Hydrogels. Eurasian Chemico-Technological Journal, 4(2), 113–117. https://doi.org/10.18321/ectj523

Issue

Vol. 4 No. 2 (2002)

Section

Articles

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