Results 61 to 70 of about 4,959,357 (94)

Investigation of Agglomerating and Wetting Behaviour During Coal Dust Suppression via the Synergistic Application of Hydrocarbon and Short-Chain-Fluorocarbon Surfactants in the Presence of Electrolytes

Powder Technology, 2022
This paper investigated the agglomerating and wetting behaviour during coal dust suppression via the synergistic application of hydrocarbon and short-chain-fluorocarbon surfactants in the presence of electrolytes. A maximum 51.01% and 53.12% reduction in
Guang Xu, Xuhan Ding, Fangming Cheng
exaly   +3 more sources

Study on foam extinguishing agent based on mixed system of branched short-chain fluorocarbon anionic and hydrocarbon cationic surfactants

Journal of Dispersion Science and Technology, 2021
The traditional aqueous film-forming foam extinguishing agent (AFFF) plays an important role in fighting liquid fires, but its environmental hazard are also increasingly prominent.
Yawen Yang, Jiaqing Fang, Min Sha, Ding Zhang, Renming Pan, Biao Jiang   +5 more
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Surface Activity, Foam Properties and Aggregation Behavior of Mixtures of Short-Chain Fluorocarbon and Hydrocarbon Surfactants

Journal of Molecular Liquids, 2018
Abstract Surface activity, foam properties and aggregation behavior of a short-chain fluorocarbon surfactant (FS-50), an anionic hydrocarbon surfactant (sodium dodecyl sulfate, denoted as SDS) and FS-50/SDS mixture are systemically studied for the first time in this paper. Surface activity was characterized by surface tension.
Youjie Sheng, Shouxiang Lu, Changhai Li
exaly   +2 more sources

A Simple Strategy to Improve Surface Activity and Wettability of Anionic Hydrocarbon and Tri-Block Nonionic Short-Chain Fluorocarbon Surfactant Mixtures

Journal of Molecular Liquids, 2021
Abstract To address the problem that the surface activity of reported hydrocarbon-fluorocarbon (CH-CF) surfactant mixtures was usually difficult to reach the level of corresponding CF surfactant, we reported a simple strategy that is utilizing the electrostatic screen effect of inorganic cation (Na+) on anionic surfactant to control the interfacial ...
Yong Jin, Liangjie Shi, Yutang Zhou
exaly   +2 more sources

Experimental and Molecular Dynamics Simulation of the Synergistic Mechanism of Short-Chain Fluorocarbon Surfactant and Electrolyte on Inhibiting Coal Dust Pollution

Journal of Environmental Chemical Engineering
This paper investigated the synergistic mechanism of short-chain fluorocarbon surfactant and electrolyte on inhibiting coal dust pollution via the experimental and molecular dynamics simulations Findings illustrated that the synergistic application of short-chain fluorocarbon and electrolyte achieves better dust suppression performance when compares ...
Xuhan Ding, Qingyun Fu, Tianting Wang
exaly   +2 more sources

Effect of Hydrophilic Function Groups on the Properties of Short-Chain Fluorocarbon Surfactants

ChemistrySelect
Abstract Short‐chain fluorocarbon surfactants grafted with alcohol, carboxyl and ester functional groups were prepared by quaternization with short‐chain perfluorobutyl sulfonyl fluoride as raw material. The structures of surfactants were characterized by infrared spectroscopy, nuclear magnetic resonance and mass ...
Xuhong Jia, Xinhua Zhu, Tianhao Li
exaly   +2 more sources

Adjustable Surface Activity and Wetting Ability of Anionic Hydrocarbon and Nonionic Short-Chain Fluorocarbon Surfactant Mixtures: Effects of Li+ and Mg2+

Journal of Molecular Liquids, 2022
Yong Jin, Liangjie Shi, Yutang Zhou
exaly   +2 more sources

Zwitterionic Short-Chain Fluorocarbon Surfactant: Synthesis, Synergy With Hydrocarbon Surfactants, and Effects of Inorganic Salts on Surface Activity and Foam Performance

Surfaces and Interfaces
Long Yan, Zhisheng Xu, Wenjun Zhao
exaly   +2 more sources

The Investigation of Wetting and Agglomerating Mechanism of Short-Chain Fluorocarbon Surfactant Suppressing Coal Dust From Macro and Molecular Scales

Chemical Engineering Journal
Xuhan Ding, Zhenmin Luo, Haipeng Jiang
exaly   +2 more sources

Cationic–Anionic Fluorinated Surfactant Mixtures Based on Short Fluorocarbon Chains as Potential Aqueous Film-Forming Foam

Journal of Dispersion Science and Technology, 2019
A strategy for aqueous film-forming foam (AFFF) using cationic-anionic surfactant mixtures with short fluorocarbon chains (≤C4) in both cationic and anionic surfactants was proposed.
Qiang Sun, Hang Xing, Jin-Xin Xiao
exaly   +2 more sources