Novel Amphiphiles and Their Applications for Different Purposes with Special Emphasis on Polymeric Surfactants

Chowdhury, Suman; Rakshit, Atanu; Acharjee, Animesh; Saha, Bidyut

doi:10.1002/slct.201901160

Cited by 41 publications

(21 citation statements)

References 181 publications

(167 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The reduction in traditional oil reserves encouraged scientist to develop oils from some other alternative sources and heavy oils that need mild chemical treatment to recover oils by enhanced oil recovery (EOR) (Chowdhury et al, 2019). One surfactant must have certain fundamental requirements to ensure enhance oil recovery (EOR) treatment, such as low interfacial properties, good biodegradability, salt resistance, high temperature resistance, good water solubility and enough lipophilicity, and good foam stability.…”

Section: Enhance Oil Recoverymentioning

confidence: 99%

Properties and applications of amphoteric surfactant: A concise review

Sarkar

Pal

Rakshit

et al. 2021

J Surfact & Detergents

Self Cite

View full text Add to dashboard Cite

Amphoteric surfactants have long hydrophobic hydrocarbon chain and hydrophilic positive as well as negative charged center connected with each other by a spacer group. Thus, this type of surfactant maintains overall charged neutrality. The properties of amphoteric surfactants depend primarily on the length of the hydrophobic hydrocarbon chain, the number of methylene segments in the spacer, the positive and negative charged groups, and their relative position. The ionic activity of amphoteric surfactants is influenced according to the pH value of the solvent. They display cationic behavior below the isoelectric points and anionic behavior at a higher pH. They take the shape of zwitterions in the area of the isoelectric point. In fact, amphoteric surfactants can be parted into pH‐sensitive and pH‐insensitive surfactants. The pH‐insensitive surfactants stay as zwitterionic form irrespective of the pH of the solution. This surfactant has some unique features because of its precise molecular structure as follows: high water solubility, high surface activities, a wide isoelectric range, low critical micelle concentration (CMC), high foam stability, low toxicity, low irritating, excellent biodegradability, bioactivity, interface change, and so on. Because of these special characteristics, amphoteric surfactants have been immensely interested in many applications in the scientific community, including cosmetics, chromatography, enhanced oil recovery, electrochemistry, nanoscience, polymer chemistry, and waste water treatment. This review aims to study about amphoteric surfactants, which have only one hydrophobic hydrocarbon tail and two oppositely charged hydrophilic headgroups connected with each other by a spacer group and its properties, applications in various academics and industrial fields.

show abstract

Section: Enhance Oil Recoverymentioning

confidence: 99%

Properties and applications of amphoteric surfactant: A concise review

Sarkar

Pal

Rakshit

et al. 2021

J Surfact & Detergents

Self Cite

View full text Add to dashboard Cite

show abstract

“…When the concentration of a surfactant solution reaches the cmc, the surfactant molecules reach adsorption saturation on the surface of the solution, and stable micelles composed of several to hundreds of ions or molecules are synthesized from a dispersion state inside the solution. At this instant, the concentration of a single molecule or ion in the solution will not increase significantly and only more micelles can be formed; therefore, the surface tension of the solution does not change much [25,26]. e turning point at the cmc is related to the structural change of the adsorption layer on the surfactant interface.…”

Section: Adsorption Of Surfactant Molecules In Aqueousmentioning

confidence: 99%

Wetting Process and Adsorption Mechanism of Surfactant Solutions on Coal Dust Surface

Wang

Yuan

Jiang

2019

Journal of Chemistry

View full text Add to dashboard Cite

To determine the wetting process and wetting mechanism of different surfactant solutions on coal dust surface, four types of surfactants (anionic surfactant 1227, anionic surfactant AOS, amphoteric surfactant CAB-35, and nonionic surfactant CDEA) are selected to measure their surface tension and contact angle. Based on the data, the adhesion work, spreading coefficient, and immersion work of the surfactant solutions on a coal dust surface are calculated and their adsorption mechanism is discussed. e results show that the surface tension and contact angle of AOS and CDEA are lower and smaller, respectively, their calculated spreading coefficients are higher, and their adhesion work and immersion work are less than those of 1227 and CAB-35. is shows that the wettability of the AOS and CDEA solutions for a coal dust surface is more than that of 1227 and CAB-35, whereas their adhesion is lower than that of the latter. e spreading coefficient can be used as an index to determine the wettability. e wetting ability of the AOS and CDEA aqueous solutions for coal dust is stronger than that of 1227 and CAB-35 because of the different adsorption forms of the surfactant molecules on the surface of the coal dust. e tail hydrophobic group of the AOS and CDEA surfactant molecules orient to the surface of the coal dust, whereas the head hydrophilic group directs to the solution, being easier to wet. e results show that anionic and nonionic surfactant solutions can significantly improve the wettability of a coal dust surface, providing a theoretical basis for selecting suitable surfactants as water-spray additives to improve the dust suppression efficiency.

show abstract

“…Molecules with self-assembling properties are of great demand since they are used in creation of various functional colloid systems including those for practical applications. [1][2][3] Thus, amphiphilic molecules play a critical role in many fields, from household chemicals, food, cosmetics, pharmaceuticals to petrochemistry, catalysis, as well as biology and medicine. [4,5] Behavior of amphiphilic molecules in solutions is strongly dependent on their structure, that's why it is important to clearly understand the structureaggregation relationship.…”

Section: Introductionmentioning

confidence: 99%

Amphiphilic N-Oligoethyleneglycol-imidazolium Derivatives of p-tert-Butylthiacalix[4]arene: Synthesis, Aggregation and Interaction with DNA

Gafiatullin¹,

Radaev²,

Osipova³

et al. 2021

MHC

View full text Add to dashboard Cite

New water-soluble derivatives of p-tert-butylthiacalix [4]arene have been synthesized in the stereoisomeric form 1,3-alternate with butyl and tetradecyl groups on one side of the macrocyclic platform and tri/tetraethylene glycol substituents on the other. The aggregation characteristics of macrocycles in the aquatic environment (CAC, aggregate size, zeta potential) have been studied. It has been demonstrated that the resulting aggregates have the ability to solubilize the lipophilic azo dye Orange OT, and the solubilizing ability significantly increases on going from butyl to tetradecyl derivatives. Using the methods of dynamic and electrophoretic light scattering and fluorimetry with ethidium bromide as a probe, it was shown that the obtained macrocycles interact with the DNA of the calf thymus. It was found that the efficiency of the interaction is greatly influenced by the length of the oxyethyl fragments: macrocycles containing tetraethylene glycol fragments are more effective than triethylene glycol analogs, causing a 2-fold compaction of DNA.

show abstract

Novel Amphiphiles and Their Applications for Different Purposes with Special Emphasis on Polymeric Surfactants

Cited by 41 publications

References 181 publications

Properties and applications of amphoteric surfactant: A concise review

Properties and applications of amphoteric surfactant: A concise review

Wetting Process and Adsorption Mechanism of Surfactant Solutions on Coal Dust Surface

Amphiphilic N-Oligoethyleneglycol-imidazolium Derivatives of p-tert-Butylthiacalix[4]arene: Synthesis, Aggregation and Interaction with DNA

Contact Info

Product

Resources

About