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Synthesis, characterization and electrorheological properties of biodegradable chitosan/bentonite composites

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dc.creator Cabuk, M.
dc.creator YAVUZ, Mustafa
dc.creator Unal, H. I.
dc.creator Erol, O.
dc.date 2013-02-28T22:00:00Z
dc.date.accessioned 2020-10-06T10:31:54Z
dc.date.available 2020-10-06T10:31:54Z
dc.identifier 7076b50c-50fc-4a4f-a3d1-3b9ac304ec39
dc.identifier 10.1180/claymin.2013.048.4.09
dc.identifier https://avesis.sdu.edu.tr/publication/details/7076b50c-50fc-4a4f-a3d1-3b9ac304ec39/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/63138
dc.description Biodegradable chitosan/bentonite composites with three different compositions were synthesized by the intercalation method using cetyltrimethylammonium bromide as the cationic surfactant. The composites were characterized using conductivity, density, particle size measurements, FTIR, TGA, XRD and SEM methods. Colloidal stabilities of the suspensions prepared in silicone oil (SO) were observed to increase with decreasing density. The effects of dispersed particle concentration, shear rate, electric field strength, electric field frequency and temperature on the electrorheological (ER) activities of the suspensions were investigated. The electric field viscosities of the suspensions showed typical shear thinning non-Newtonian viscoelastic behaviour. Yield stresses of the suspensions were observed to change in proportion to the square of applied electric field (E). Further, according to creep and creep-recovery analysis, reversible viscoelastic deformations were observed in the suspensions under E not equal 0 kV mm(-1).
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Synthesis, characterization and electrorheological properties of biodegradable chitosan/bentonite composites
dc.type info:eu-repo/semantics/article


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