scholarly journals Synthesis and Solution Properties of Adamantane Containing Quaternary Ammonium Salt-type Cationic Surfactants: Hydrocarbon–based, Fluorocarbonbased and Bola–type

2016 ◽  
Vol 65 (10) ◽  
pp. 843-852 ◽  
Author(s):  
Tomokazu Yoshimura ◽  
Mari Okada ◽  
Keisuke Matsuoka
Keyword(s):  
Ammonium Salt ◽  
Quaternary Ammonium ◽  
Cationic Surfactants ◽  
Quaternary Ammonium Salt ◽  
Solution Properties

Physicochemical and solution properties of quaternary-ammonium-salt-type amphiphilic trimeric ionic liquids

2019 ◽  
Vol 21 (45) ◽  
pp. 25065-25071 ◽  
Author(s):  
Risa Kawai ◽  
Shiho Yada ◽  
Tomokazu Yoshimura
Keyword(s):  
Ionic Liquids ◽  
Melting Point ◽  
Ammonium Salt ◽  
Quaternary Ammonium ◽  
Quaternary Ammonium Salt ◽  
Solution Properties

The amphiphilic linear- and star-type trimeric ionic liquids show different melting point behaviours.

Design and Production of Environmentally Degradable Quaternary Ammonium Salt

2021 ◽  
Author(s):  
Xiaolong Zhang ◽  
Hongtao Kong ◽  
Xupeng Zhang ◽  
Hengmin Jia ◽  
Xiuxia Ma ◽  
...  
Keyword(s):  
Ammonium Salt ◽  
Quaternary Ammonium ◽  
Cationic Surfactants ◽  
Quaternary Ammonium Salt ◽  
Sharp Increase ◽  
Quaternary Ammonium Compounds ◽  
Ammonium Compounds ◽  
Design And Production

Quaternary ammonium compounds (QACs) are a class of cationic surfactants routinely used for industry, institution and household disinfection, and have seen a sharp increase in use during the COVID-19 pandemic....

Catalyst- and oxidant-free electrochemical para-selective hydroxylation of N-arylamides in batch and continuous-flow

2020 ◽  
Vol 22 (19) ◽  
pp. 6437-6443
Author(s):  
Cheng-Kou Liu ◽  
Meng-Yi Chen ◽  
Xin-Xin Lin ◽  
Zheng Fang ◽  
Kai Guo
Keyword(s):  
Ammonium Salt ◽  
Quaternary Ammonium ◽  
Continuous Flow ◽  
Quaternary Ammonium Salt ◽  
Selective Hydroxylation

A catalyst-, oxidant-, acidic solvent- and quaternary ammonium salt-free electrochemical para-selective hydroxylation of N-arylamides at rt in batch and continuous-flow was developed.

Synthesis and Performance of Polyoxy-ethylene Ester Quaternary Ammonium Salt

2013 ◽  
Vol 50 (1) ◽  
pp. 9-13 ◽  
Author(s):  
Yong-Qiang Sun ◽  
Wen-Jing Li ◽  
Wan-Xu Wang ◽  
Qiu-Xiao Li ◽  
Wieslaw Hreczuch ◽  
...  
Keyword(s):  
Ammonium Salt ◽  
Quaternary Ammonium ◽  
Quaternary Ammonium Salt ◽  
And Performance

Instability of Solutions of Quaternary Ammonium Permanganates in Dichloromethane

1997 ◽  
Vol 62 (6) ◽  
pp. 849-854 ◽  
Author(s):  
Vladislav Holba ◽  
Renata Košická
Keyword(s):  
Ammonium Salt ◽  
Rate Constants ◽  
Quaternary Ammonium ◽  
Quaternary Ammonium Salt ◽  
Activation Parameters ◽  
The Stability

The paper deals with instability of solutions of quaternary ammonium permanganates, QMnO4 (Q = tetraethyl-, tetra-1-propyl-, tetra-1-butyl-, tetra-1-pentyl-, tetra-1-octyl-, and cetyltrimethylammonium), in dichloromethane and presents the rate constants and activation parameters of the reduction of permanganate. Attention was paid to the properties of colloidal Mn(IV) intermediate. The stability of the solutions depends markedly on the quaternary ammonium salt used.

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