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المؤلفYoussry M.
المؤلفGuyomard D.
المؤلفLestriez B.
تاريخ الإتاحة2019-10-06T09:38:34Z
تاريخ النشر2018
اسم المنشورJournal of Materials Research
المصدرScopus
الرقم المعياري الدولي للكتاب0884-2914
معرّف المصادر الموحدhttp://dx.doi.org/10.1557/jmr.2017.451
معرّف المصادر الموحدhttp://hdl.handle.net/10576/12072
الملخصIn an attempt to introduce a novel approach to formulate carbon black (ketjen black) suspension with enhanced colloidal stability, improved flowability, and higher conductivity, ketjen black was dispersed in microemulsion systems composed of a non-ionic surfactant (Triton X100), decanol, and water. Rheo-electric and rheo-microscopy proved to be very powerful techniques that are able to elucidate the microstructure evolution with the composition and under shear flow. Interestingly, the carbon black slurries at low decanol/water ratio are weak gels (flowable) with higher electrical conductivity than those at higher ratio, which shows strong-gel viscoelastic response. In addition, the slurries show recoverable electrical behavior under shear flow in tandem with the viscosity trend. It is likely that the oil-in-water microemulsion enhances slurries' stability without affecting the percolating network of carbon black. On the other hand, the oil-in-water analogous and bilayer structure of the lamellar phase makes the slurries less conductive as a consequence of losing the network percolation.
اللغةen
الناشرCambridge University Press
الموضوعcolloid
microstructure
viscoelasticity
العنوانCarbon black dispersions in surfactant-based microemulsion
النوعArticle
الصفحات1301-1307
رقم العدد9
رقم المجلد33
dc.accessType Abstract Only


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