Preparation and Characterization of Chitosan - Double Walled Carbon Nanotubes Hydrogels

Int. J. Chemoinformatics Chem. Eng. Pub Date : 2017-07-01 DOI:10.4018/IJCCE.2017070102

A. Montazeri, M. Karjibani

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引用次数: 1

Abstract

Inthepresentarticle,theauthorshavepreparednanocompositesbasedonchitosan(CS)anddouble walledcarbonnanotubes (functionalizedwithcarboxylgroups (DWCNT-COOH)andun treated DWCNT)bycastingthestablemixtureinamold.DifferentconcentrationsofDWCNTwereused inthepreparationofnanocompositehydrogels.ThesedifferentlyconcentratedDWCNThydrogels werechemicallycharacterizedusingFourierTransform-InfraredSpectroscopy(FT-IR),Scanning ElectronMicroscopy(SEM)andThermalanalysisandcalorimetry(TGA).Thedispersionofthe carbonnanotubeswereobservedinthechitosanmatrixbySEM.TheadditionofDWCNTinthe compositehydrogelsignificantlyreducedthewateruptakeability.However,thewateruptakeability oftheCS/DWCNT-COOHnanocompositehasbeenbetterthantheCS/DWCNT.Also,dispersion offunctionalizedDWCNTinthechitosanmatrix,wasincreasedthethermalstabilityofhydrogels. KEyWoRDS Chitosan, Doubel Walled Carbon Nanotubes, DWCNT, Hydrogel

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壳聚糖-双壁碳纳米管水凝胶的制备与表征

Inthepresentarticle，theauthorshavepreparednanocompositesbasedonchitosan(CS)anddouble walledcarbonnanotubes (functionalizedwithcarboxylgroups (DWCNT- cooh)andun treated_ DWCNT)bycastingthestablemixtureinamold。DifferentconcentrationsofDWCNTwereused inthepreparationofnanocompositehydrogels。ThesedifferentlyconcentratedDWCNThydrogels werechemicallycharacterizedusingFourierTransform-InfraredSpectroscopy(FT-IR)，Scanning ElectronMicroscopy(SEM)andThermalanalysisandcalorimetry(TGA)。Thedispersionofthe carbonnanotubeswereobservedinthechitosanmatrixbySEM。TheadditionofDWCNTinthe compositehydrogelsignificantlyreducedthewateruptakeability。However，thewateruptakeability oftheCS/DWCNT-COOHnanocompositehasbeenbetterthantheCS/DWCNT。Also，dispersion offunctionalizedDWCNTinthechitosanmatrix，wasincreasedthethermalstabilityofhydrogels。壳聚糖，双壁碳纳米管，低碳纳米管，水凝胶

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Int. J. Chemoinformatics Chem. Eng.

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