Citation: Wen WU, Wen Jing LI, Li Qun WANG, Ke Hua TU, Wei Lin SUN. Temperature-pH Sensitive IPN Hydrogels Composed of Silk Sericin and Poly (N-isopropylacrylamide)[J]. Chinese Chemical Letters, ;2006, 17(3): 403-406. shu

Temperature-pH Sensitive IPN Hydrogels Composed of Silk Sericin and Poly (N-isopropylacrylamide)

Wen WU ^1, ,
Wen Jing LI ² ,
Li Qun WANG ¹ ,
Ke Hua TU ¹ ,
Wei Lin SUN ¹

1.
Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027;
2.
Ningbo Institute of Technology, Zhejiang University, Ningbo 315100

Received Date: 22 August 2005

Fund Project: This project is financially supported by the National Natural Science Foundation of China (Grant No. 20474055, 60373038).

Interpenetrating polymer network (IPN) composed of silk sericin (SS) and poly(N-isopropylacrylamide) (PNIPAAm) was prepared. The morphology of the IPNs, in which the SS phase was stained with ammonium cuprate, was examined with TEM and a relative homogeneous distribution of the two polymers was exhibited. The swelling behavior of the IPN hydrogels showed both temperature and pH dependences.
- Silk sericin,
- poly(N-isopropylacrylamide),
- interpenetrating polymer network
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