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Different ways for grafting ester derivatives of poly(ethylene glycol) onto chitosan: related characteristics and potential properties

Abstract : The grafting of poly(ethylene glycol) functionalized by ester groups (MeO-PEG-ester) onto chitosan was studied and optimized using different reaction conditions. In a first procedure, the grafting was made from 6-O-triphenylmethyl-chitosan after protection of primary hydroxyl groups and in a second one, it was made directly onto chitosan. NMR spectroscopy was an important tool to study these reactions and the grafting is unequivocally showed up. Moreover, for each procedure, the solubility and surface properties of the obtained copolymers were evaluated and compared.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-01866857
Contributor : Luc Picton <>
Submitted on : Monday, September 3, 2018 - 4:31:30 PM
Last modification on : Friday, September 18, 2020 - 3:18:05 PM

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Fanny Lebouc, Isabelle Dez, Jacques Desbrieres, Luc Picton, Pierre-Jean Madec. Different ways for grafting ester derivatives of poly(ethylene glycol) onto chitosan: related characteristics and potential properties. Polymer, Elsevier, 2005, 46 (3), pp.639 - 651. ⟨10.1016/j.polymer.2004.11.104⟩. ⟨hal-01866857⟩

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