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Chitosan–N-poly(ethylene glycol) brush copolymers: Synthesis and adsorption on silica surface
YKI – Ytkemiska institutet.
2005 (English)In: European Polymer Journal, ISSN 0014-3057, E-ISSN 1873-1945, Vol. 41, 2653-2662 p.Article in journal (Refereed)
Abstract [en]

Chitosan–N-poly(ethylene glycol) brush copolymers with different degree of substitution (DS) were synthesized via reductive amination of chitosan by methoxy poly(ethylene glycol) (MPEG) aldehyde. Chitosan–N-MPEG copolymers were high-molecular-weight products with desirable DS; solubility and solution viscosity of those copolymers depended on the method of the synthesis of MPEG aldehyde and on DS. Synthesis of MPEG aldehyde by the use of TEMPO radical/BAIB was not suitable because of partial oxidation of methoxy groups of MPEG resulting in bifunctional PEG derivatives leading to cross-linking. Adsorption studies of chitosanÅ|N-MPEG graft copolymers on silica surface show that these polymers adsorb in highly hydrated layers

Place, publisher, year, edition, pages
2005. Vol. 41, 2653-2662 p.
Keyword [en]
Chitosan, poly(ethylene glycol), water-soluble, graft copolymer, reductive amination, adsorption, QCM-D, reflectometry
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26529OAI: oai:DiVA.org:ri-26529DiVA: diva2:1053532
Note
A1771Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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