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f- Multiwalled carbon nanotube-grafted Ã?¢Ã?â?¬Ã?â??Chitosan/Polyvinylpyrrolidone blends: Preparation and characterization | Abstract
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Abstract

f- Multiwalled carbon nanotube-grafted Ã?¢Ã?â?¬Ã?â??Chitosan/Polyvinylpyrrolidone blends: Preparation and characterization

Author(s): S. Aisverya and P. N. Sudha

In this study, we have prepared the blends using chitosan, polyvinyl pyrrolidone and functionalized carbon nanotube and the blends were prepared in the presence and the absence of crosslinking agent. Chitosan blend films were prepared by casting the respective polymer solutions. The glutaraldehyde was used as a cross-linking agent. Chitosan grafted with functionalized multiwalled carbon nanotube with PVP (f-MWCNT-g-Chitosan/PVP) and the same blend was cross-linked in the presence of glutaraldehyde (f-MWCNT-g-Chitosan/PVP/GLU) was prepared via solution casting method and physiochemically characterized. Cross-linking with glutaraldehyde improves thermal properties and decreases elongation of the films. The cross-linkages in the f-MWCNT-g-chitosan/PVP scaffold in the presence and absence of crosslinking agent were observed by FT-IR spectroscopy. The prepared scaffold was subjected to various spectral Studies. The literature suggests that the f-MWCNT grafted with Chitosan/PVP composites are promising biomaterials for tissue engineering applications.