octyl ether
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Author(s):  
László Kiss ◽  
Ferenc Kovács ◽  
Sándor Kunsági-Máté

AbstractElectrooxidation of selected phenylethers was investigated (2-phenoxyethanol, anisole, o-nitrophenyl octyl ether, diphenylether, fenoxycarb) on platinum and glassy carbon electrodes. The chosen solvents were acetonitrile, dimethyl sulphoxide, 1-propanol and mesityl oxide. In acetonitrile, at around 2 V characteristic voltammetric peaks appeared for all compounds. In dimethyl sulphoxide and 1-propanol, no relevant peak appeared due to the high overlapping with solvent electrooxidation. During anodic oxidation of o-nitrophenyl octyl ether and fenoxycarb, a bimolecular reaction takes place predominantly. In mesityl oxide due to its unsaturated bond, identical behaviour was observed for majority of compounds and the differences between the two electrodes are also highlighted in the surface studies. The images made with the aid of an optical microscope showed the formation of islands of products for each substrate after deposition from mesityl oxide.





2017 ◽  
Vol 545 ◽  
pp. 10-16 ◽  
Author(s):  
Roger Bringué ◽  
Carles Fité ◽  
Montserrat Iborra ◽  
Javier Tejero ◽  
Fidel Cunill


AIChE Journal ◽  
2017 ◽  
Vol 63 (9) ◽  
pp. 3966-3978 ◽  
Author(s):  
Carlos Casas ◽  
Roger Bringué ◽  
Carles Fité ◽  
Montserrat Iborra ◽  
Javier Tejero


2016 ◽  
Vol 501 ◽  
pp. 228-235 ◽  
Author(s):  
Duo Wang ◽  
Jiugang Hu ◽  
Ya Li ◽  
Mingbo Fu ◽  
Dabiao Liu ◽  
...  


2016 ◽  
Vol 2016 ◽  
pp. 1-8 ◽  
Author(s):  
Lina Song ◽  
Changzhi Yan ◽  
Wei Zhang ◽  
Haoan Wu ◽  
Zhengyang Jia ◽  
...  

This study reports the synthesis of three kinds of manganese-doped magnetic ferrite nanoparticles (MnFe2O4) in benzyl ether, octyl ether, and 1-octadecene by a simple and low cost thermal decomposition method. It was found that benzyl ether results in a dramatic improvement in nanoparticle crystallinity owing to its stronger reducibility compared to octyl ether and 1-octadecene, as demonstrated by X-ray diffraction and TEM measurements. Raman spectroscopy detection also indicated that the reducing solvent of benzyl ether was in favor of forming magnetite-like structure ferrite, while maghemite-like structured ferrite was obtained in octyl ether and 1-octadecene. The saturation magnetization (MS) of MnFe2O4synthesized in benzyl ether was 85 emu/g [Fe], which was 3 and 5 times larger than MnFe2O4synthesized in octyl ether and 1-octadecene, respectively. The specific absorption rate (SAR) of MnFe2O4nanoparticles synthesized in benzyl ether was 574 W/g, while MnFe2O4nanoparticles synthesized in octyl ether and 1-octadecene have had much smaller SAR of 76 and 33 W/g, respectively. MnFe2O4nanoparticles synthesized in benzyl ether also exhibit higher relaxivity (r2=207 mM−1 s−1) than those synthesized in octyl ether and 1-octadecene (r2=65and 22 mM−1 s−1). It was obvious that MnFe2O4nanoparticles synthesized in reducing benzyl ether have higher crystallinity and thus higherMS, SAR, andr2values, which can serve as a better candidate for hyperthermia and magnetic resonance imaging.



Polimery ◽  
2015 ◽  
Vol 60 (02) ◽  
pp. 118-125
Author(s):  
Jakub Rajewski ◽  
Paulina Lobodzin ◽  
Pawel Gierycz


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