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Controlled Chemical Modifications of Chitosan. Characterization and Investigation of Original Properties
Author(s) -
Auzély Rachel,
Rinaudo Marguerite
Publication year - 2003
Publication title -
macromolecular bioscience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.924
H-Index - 105
eISSN - 1616-5195
pISSN - 1616-5187
DOI - 10.1002/mabi.200300018
Subject(s) - chitosan , adamantane , amphiphile , cyclodextrin , polymer , chemistry , grafting , wetting , polymer chemistry , chemical engineering , chemical modification , organic chemistry , copolymer , engineering
The main techniques developed to characterize chitosan are recalled. The interaction of chitosan with oppositely charged surfactants was investigated giving very important surface activity effects. A few chemical modifications are described and the new properties obtained are mentioned: alkylation gives amphiphilic polymers having interesting thickening behavior; grafting cyclodextrin (chit‐CD) gives a polymer able to include hydrophobic molecules; grafting adamantane gives an amphiphilic polymer able to specifically interact with chit‐CD forming a temporary network with gel‐like behavior.The viscosities of adamantane‐chitosan, cyclodextrin‐chitosan, and unmodified chitosan solutions studied here.