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

EuiChul Kang | Zendy; Nayoung Hong | Zendy; Kee Hoon Kim | Zendy; Chun-Hag Jang | Zendy; KiWon Song | Zendy; Jang-Oo Lee | Zendy

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

Author(s) -

EuiChul Kang,

Nayoung Hong,

Kee Hoon Kim,

Chun-Hag Jang,

KiWon Song,

Jang-Oo Lee

Publication year - 2017

Publication title -

eurasian chemico-technological journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 9

eISSN - 2522-4867

pISSN - 1562-3920

DOI - 10.18321/ectj523

Subject(s) - self healing hydrogels , poly(n isopropylacrylamide) , swelling , copolymer , polymer chemistry , aqueous solution , phase transition , phase (matter) , materials science , chemical engineering , chemistry , polymer , composite material , organic chemistry , thermodynamics , engineering , physics

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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