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Citation: BAO Jun-Jie, XU Ge-Wen, LIU Du-Bao, JI Xue-Shun. Synthesis of Waterborne Polyurethane-polyacrylamide IPN Biomedical Hydrogels[J]. Chinese Journal of Applied Chemistry, ;2008, 25(5): 587-591. shu

Synthesis of Waterborne Polyurethane-polyacrylamide IPN Biomedical Hydrogels

1.
School of Chemistry and Chemical Engineering, Anhui University, Anhui Key Laboratory of Environment-Friendly Polymer Materials, Hefei 230039

Corresponding author: XU Ge-Wen,
Received Date: 8 May 2007
Available Online: 5 August 2007
Fund Project: 安徽大学研究生创新计划资助项目(20073041) (20073041)

Interpenetrating polymer network (IPN) hydrogels composed of waterborne polyurethane (WPU) and polyacrylamide (PAAm) were synthesized.Crosslinked WPU was synthesised from IPDI,N₂20,DMPA and TMP.Then AAm,DEGDA as crosslinking agent and potassium persulfate (KPS) as initiator were added to form the IPN waterborne polyurethane-polyacrylamide (PU-PAAm) hydrogels.IR,DSC,TEM and the swelling ratio of the hydrogels indicated that the PU-PAAm had cell-like structure,and the components exhibited good compatibility.PU-PAAm IPN hydrogels showed synergistic effect,with the synthesized hydrogel with m(PU):m(PAAm)=50:60 showing the highest SR of 11.16.TNO,ZX-10 and chitosan were respectively loaded in the hydrogels,and the hydrogels carrying TNO and ZX-10 showed good antibacterial activity.
- waterborne polyurethane (WPU),
- polyacrylamide (PAAm),
- Interpenetrating polymer network (IPN),
- hydrogels,
- antibiosis
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