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Title: Microstructured polyacrylamide-co-chitosan/xanthan hydrogels
Author: Sanchez-Diaz, J.C.
Martinez-Ruvalcaba, A.
Gonzalez-Alvarez, A.
Ortega-Gudino, P.
Issue Date: 2005
Abstract: The synthesis of microstructured polyacrylamide-co-chitosan and polyacrylamida-co-chitosan/xanthan hydrogels with large swelling capacity and improved mechanical properties were studied. Crosslinked polyacrylamide particles of nanosize scale are made by inverse microemulsion polymerization. These particles are then dried and redispersed in an aqueous solution of acrylamide and polymerized in the presence of a crosslinking agent and chitosan solution with or without the presence of xanthan polysaccharide solution. The swelling capacity of these hydrogels are studied and compared with the results obtained with conventional polyacrylamide hydrogels.
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