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Thermal Analysis of Chitosan Based Networks

Neto, C.G.T., Giacometti, J.A., Job, A.E., Ferreira, F.C., Fonseca, J.L.C., Pereira, M.R.·2005·Carbohydrate Polymers
DOI 10.1016/j.carbpol.2005.02.022
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Abstract

In this work two kinds of material were studied: chitosan cross-linked with glutaraldehyde and in a blend with PEO. The resulting products as well as chitosan and PEO raw materials, were analyzed by TG/DTG, DSC and DMTA to determinate the in?uence of cross-linking and PEO addition on thermal properties of the resulting materials. It was observed by thermogravimetry that the water-polymer interaction will be different for the cross-linked material compared to the blend, according to the specific site availability. The in?uence of such modifications (cross-linking and PEO addition), on chitosan thermal stability was also studied. The DSC results showed a good agreement with the TG/DTG results, reinforcing the interpretation given for TG/DTG results. DMTA results indicate that glass transition temperature is around 50 degrees C for the polymer under study.

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Research works printed but not linked: 26

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Metadata

Authors
Neto, C. G. T., Giacometti, J. A., Job, A. E., Ferreira, F. C., Fonseca, J. L. C., & Pereira, M. R.
Venue
Carbohydrate Polymers
Publisher
Elsevier BV
Published
2005-11
Volume
62
Issue
2
Pages
97-103
ISSN
0144-8617
DOI
10.1016/j.carbpol.2005.02.022
Cited by
508
References
0
Language
en
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)

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