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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Azevedo, Nuno Monteiro |
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Park, Yongdoo
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Publications (5/5 displayed)
- 2014Tissue Regeneration in the Pores of Poly(lactide-co-glycolide)-Impregnated Wall of Expanded Polytetrafluoroethylene (ePTFE) Hybrid Graftscitations
- 2011Development and Physicochemical Evaluation of Chondroitin Sulfate-Poly(ethylene oxide) Hydrogelcitations
- 2004Bovine Primary Chondrocyte Culture in Synthetic Matrix Metalloproteinase-Sensitive Poly(ethylene glycol)-Based Hydrogels as a Scaffold for Cartilage Repaircitations
- 2004Synthesis and characteristics of polyelectrolyte complexes composed of chitosan and hyaluronic acidcitations
- 2003Thermal Characterizations of Semi-Interpenetrating Polymer Networks Composed of Poly(ethylene oxide) and Poly(N-isopropylacrylamide)citations
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article
Thermal Characterizations of Semi-Interpenetrating Polymer Networks Composed of Poly(ethylene oxide) and Poly(N-isopropylacrylamide)
Abstract
Poly(N-isopropylacrylamide) (PNIPAAm)/poly(ethylene oxide) (PEO) semi-interpenetrating polymer networks (semi-IPNs) synthesized by radical polymerization of N-isopropylacrylamide (NIPAAm) in the presence of PEO. The thermal characterizations of the semi-IPNs were investigated by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and dielectric analysis (DEA). The melting temperature (Tm) of semi-IPNs appeared at around 60°C using DSC. DEA was employed to ascertain the glass transition temperature (Tg) and determine the activation energy (Ea) of semi-IPNs. From the results of DEA, semi-IPNs exhibited one Tg indicating the presence of phase separation in the semi-IPN, and Tgs of semi-IPNs were observed with increasing PNIPAAm content. The thermal decomposition of semi-IPNa was investigated using TGA and appeared at around 370°C. © 2003 Wiley Periodicals, Inc.