krafft point
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New focus of the cloud point/Krafft point of nonionic/cationic surfactants as thermochromic materials for smart windows

2022 ◽  
Author(s):  
Yihan Liu ◽  
Yanan Han ◽  
Zhaohui Huang ◽  
Ping Qi ◽  
Aixin Song ◽  
...  
Keyword(s):  
Cloud Point ◽  
Cationic Surfactants ◽  
Krafft Point ◽  
Smart Windows

A nonionic poly(oxyethylene) monoalkyl ether (C12(EO)6) and a cationic hexadecylpyridinium bromide (HPB) were used in featuring warm/cool transparency transition switchability, depending on the decrease in the hydration of the EO-headgroup...

scholarly journals Solubility of ionic surfactants below their Krafft point in mixed micellar solutions: Phase diagrams for methyl ester sulfonates and nonionic cosurfactants

2021 ◽  
Author(s):  
Krassimir D. Danov ◽  
Rumyana D. Stanimirova ◽  
Peter A. Kralchevsky ◽  
Tatiana G. Slavova ◽  
Veronika I. Yavrukova ◽  
...  
Keyword(s):  
Methyl Ester ◽  
Phase Diagrams ◽  
Krafft Point ◽  
Ionic Surfactants ◽  
Micellar Solutions ◽  
Methyl Ester Sulfonates

scholarly journals Thermodynamically stable structure of hydroxy alkane sulfonate surfactant monomers in water achieving high water solubility and a low CMC

RSC Advances ◽  
2021 ◽  
Vol 11 (32) ◽  
pp. 19836-19843
Author(s):  
Yukiko Tabuchi ◽  
Takaya Sakai
Keyword(s):  
Molecular Structure ◽  
Water Solubility ◽  
High Water ◽  
Stable Structure ◽  
Krafft Point ◽  
High Water Solubility

This highly fixed molecular structure of this aninonic surfactant (C16-4S-5OH) in water achieves a low Krafft point and a low CMC simultaneously both of which are necessary for a modern sustainable surfactant.

Design and preparation of nanostructures based on Krafft point of nonionic amphiphiles for delivery of poorly water-soluble compounds

2020 ◽  
Vol 588 ◽  
pp. 119789
Author(s):  
Xiaoling Gao ◽  
Bhaskara R. Jasti ◽  
Meng Huang ◽  
Xiaolin Wang ◽  
Ravi Mahalingam ◽  
...  
Keyword(s):  
Krafft Point ◽  
Water Soluble ◽  
Poorly Water Soluble

Archaeal cyclopentane fragment in a surfactant's hydrophobic tail decreases the Krafft point

Soft Matter ◽  
2020 ◽  
Vol 16 (5) ◽  
pp. 1333-1341
Author(s):  
Konstantin S. Mineev ◽  
Pavel E. Volynsky ◽  
Timur R. Galimzyanov ◽  
Daria S. Tretiakova ◽  
Mikhail Y. Bobrov ◽  
...  
Keyword(s):  
Low Temperature ◽  
Temperature Region ◽  
Krafft Point ◽  
Hydrophobic Tail ◽  
Operational Range

Cyclopentane fragment in the hydrophobic tail expands operational range of the surfactant into the low-temperature region.

A new application of Krafft point concept: an ultraviolet-shielded surfactant switchable window

2020 ◽  
Vol 56 (39) ◽  
pp. 5315-5318 ◽  
Author(s):  
Yihan Liu ◽  
Yiyi Guo ◽  
Zhuo Zhang ◽  
Zhaohui Huang ◽  
Ping Qi ◽  
...  
Keyword(s):  
Ethylene Glycol ◽  
Krafft Point ◽  
Ionic Surfactants ◽  
Smart Windows ◽  
Uv Shielding ◽  
Responsive Gels ◽  
Mixed Water

We report thermo-responsive gels of polyacrylamide (PAAm) with ionic surfactants in mixed water and ethylene glycol (W–EG) solvents as smart windows to solubilize ultraviolet absorbents for UV shielding materials.

Krafft Point Prediction of Anionic Surfactants Using Group Contribution Method: First‐Order and Higher‐Order Groups

2019 ◽  
Vol 22 (4) ◽  
pp. 907-919 ◽  
Author(s):  
Woramet Chanachichalermwong ◽  
Ampira Charoensaeng ◽  
Uthaiporn Suriyapraphadilok
Keyword(s):  
Anionic Surfactants ◽  
Higher Order ◽  
Group Contribution ◽  
Krafft Point ◽  
Group Contribution Method ◽  
First Order

Effect of glycerol with sodium chloride on the Krafft point of sodium dodecyl sulfate using surface tension

2019 ◽  
Vol 538 ◽  
pp. 75-82 ◽  
Author(s):  
Haris Khan ◽  
John M Seddon ◽  
Robert V Law ◽  
Nicholas J Brooks ◽  
Eric Robles ◽  
...  
Keyword(s):  
Surface Tension ◽  
Sodium Chloride ◽  
Sodium Dodecyl Sulfate ◽  
Sodium Dodecyl ◽  
Krafft Point ◽  
Dodecyl Sulfate

Hydrotrope-Induced Enhancement of Room Temperature Surface Activity for High Krafft Point Fluorinated Surfactants

2016 ◽  
Vol 19 (6) ◽  
pp. 1199-1207 ◽  
Author(s):  
Hong-Tao Zhou ◽  
Hang Xing ◽  
Bo-Wan Wu ◽  
An-Qing Cao ◽  
Jin-Xin Xiao
Keyword(s):  
Surface Activity ◽  
Room Temperature ◽  
Krafft Point ◽  
Fluorinated Surfactants ◽  
Temperature Surface
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