Immobilization of Water-Soluble 6‑Carboxylcellulose on Poly(ethylene terephthalate) Films Monitored by a Quartz Crystal Microbalance with Dissipation

Microcrystalline cellulose has been oxidized employing the newly reported N-hydroxyphthalimide–cerium ammonium nitrate system, at alkaline pH using sodium hypochlorite and sodium bromide in water, after an ultrasonication treatment. The water-soluble oxidized cellulose fraction (OCws) thus obtained...

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Published inIndustrial & engineering chemistry research Vol. 52; no. 22; pp. 7439 - 7444
Main Authors Coseri, Sergiu, Doliška, Aleš, Kleinschek, Karin Stana
Format Journal Article
LanguageEnglish
Published American Chemical Society 05.06.2013
Subjects
Cellulose
Dissipation
Immobilization
Microbalances
Morphology
Quartz crystals
Sodium bromides
Terephthalate
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Summary:Microcrystalline cellulose has been oxidized employing the newly reported N-hydroxyphthalimide–cerium ammonium nitrate system, at alkaline pH using sodium hypochlorite and sodium bromide in water, after an ultrasonication treatment. The water-soluble oxidized cellulose fraction (OCws) thus obtained has been analyzed by Fourier transform infrared and 13C NMR and used subsequently for adsorption onto aminolyzed poly­(ethylene terephthalate) films deposited onto sensors of a quartz crystal microbalance with dissipation detection (QCM-D). The successful immobilization was monitored using QCM-D, and the morphology of the films was studied by means of atomic force microscopy.
Bibliography:ObjectType-Article-1
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ISSN:0888-5885
1520-5045
DOI:10.1021/ie400645j