Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/1985
Title: Zinc stearate production by precipitation and fusion processes
Authors: Gönen, Mehmet
Balköse, Devrim
İnal, Fikret
Ülkü, Semra
Gönen, Mehmet
Balköse, Devrim
İnal, Fikret
Ülkü, Semra
Keywords: Differential scanning calorimetry
Fusion reactions
Optical microscopy
Product development
Reaction kinetics
Scanning electron microscopy
Zinc compounds
Issue Date: Mar-2005
Publisher: American Chemical Society
Source: Gönen, M., Balköse, D., İnal, F., and Ülkü, S. (2005). Zinc stearate production by precipitation and fusion processes. Industrial and Engineering Chemistry Research, 44(6), 1627-1633. doi:10.1021/ie049398o
Abstract: In this study, the production of ZnSt2 using sodium stearate and zinc sulfate in a precipitation process, and stearic acid and zinc oxide in a fusion process, was investigated with regard to product purity. In the fusion process, an increase in mixing rate decreased the induction time occurring at the beginning of the reaction. While the melting point of the zinc stearate prepared by the precipitation process was found to be about 122°C by optical microscopy, it was slightly lower than 122°C for zinc stearate produced by the fusion process. Differential scanning calorimetry (DSC) indicated onset of melting at 120°C and 118°C for samples prepared by precipitation and fusion processes, respectively. Characteristic peaks of ZnSt2 were present in XRD patterns of the products obtained by both processes. From SEM micrographs, it was seen that zinc stearate obtained by both processes had lamellar structure.
URI: https://doi.org/10.1021/ie049398o
http://hdl.handle.net/11147/1985
ISSN: 0888-5885
0888-5885
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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