Adsorption of cationic multicharged surfactants at liquid–gas interface

Warszyński, Piotr; Szyk-Warszyńska, Lilianna; Wilk, Kazimiera A.; Lamch, Łukasz

doi:10.1016/j.cocis.2022.101577

Cited by 11 publications

(11 citation statements)

References 131 publications

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“…The most well-known, and probably the most commercially viable, example of cleavable surfactants comprises the family of cationic esterquat-type surfactants (often abbreviated as esterquats) with the ester bond –CO–O– or –O–CO– located between the quaternary ammonium head group(s) and the hydrocarbon tail(s) 37 – 39 . Grafting of the hydrolysable ester moiety onto the hydrophobic backbone of the surfactant structure allows decomposition of the molecule into fragments, lowering the environmental exposure levels and, furthermore, making it possible to improve the rate of biodegradation and to obtain high quality, environmentally friendly products for various applications.…”

Section: Discussionmentioning

confidence: 99%

The effectiveness of newly synthesized quaternary ammonium salts differing in chain length and type of counterion against priority human pathogens

Kula

Lamch

Futoma-Kołoch

et al. 2022

Sci Rep

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Quaternary ammonium salts (QAS) commonly occur as active substances in disinfectants. QAS have the important property of coating abiotic surfaces, which prevents adhesion of microorganisms, thus inhibiting biofilm formation. In this study, a group of nine monomeric QAS, differing in the structure and length of the aliphatic chain (C12, C14, C16) and the counterion (methylcarbonate, acetate, bromide), were investigated. The study included an analysis of their action against planktonic forms as well as bacterial biofilms. The compounds were tested for their anti-adhesion properties on stainless steel, polystyrene, silicone and glass surfaces. Moreover, mutagenicity analysis and evaluation of hemolytic properties were performed. It was found that compounds with 16-carbon hydrophobic chains were the most promising against both planktonic forms and biofilms. Tested surfactants (C12, C14, C16) showed anti-adhesion activity but it was dependent on the type of the surface and strain used. The tested compounds at MIC concentrations did not cause hemolysis of sheep blood cells. The type of counterion was not as significant for the activity of the compound as the length of the hydrophobic aliphatic chain.

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Section: Discussionmentioning

confidence: 99%

The effectiveness of newly synthesized quaternary ammonium salts differing in chain length and type of counterion against priority human pathogens

Kula

Lamch

Futoma-Kołoch

et al. 2022

Sci Rep

Self Cite

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“…Trimeric surfactants, comprising three hydrophobic and three hydrophilic groups, are produced by extending gemini surfactants. These trimeric compounds show lower CMCs than and either equivalent or enhanced surface activities compared to their gemini counterparts. − The increase in surface activity may be attributed to enhanced hydrophobic interactions as the surfactant structures evolve from monomers to dimers and ultimately to trimers. Furthermore, oligomeric surfactants exhibit unique aggregate formations, such as branched thread-like micelles, in aqueous solutions. ,− …”

Section: Introductionmentioning

confidence: 99%

Structural Analysis of Aggregates Formed by Linear- and Star-type Quaternary Ammonium Salt-Based Trimeric Surfactants Using Rheology and Small-Angle X-ray Scattering

Morita,

Yada,

Yoshimura

2024

Langmuir

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We performed a structural analysis of aggregates formed by two types of trimeric surfactants based on quaternary ammonium salts�linear-type 3C n lin-s-Q and star-type 3C n tris-s-Q�featuring varying alkyl chain lengths (n) and spacer chain lengths (s) in aqueous solutions. We performed rheology, dynamic light scattering, and small-angle X-ray scattering measurements on the trimeric surfactants and investigated the effects of the alkyl chain length, spacer chain length, spacer skeleton structure, and surfactant concentration on their aggregation behavior. Linear-type 3C 12 lin-3-Q transitioned from gel solutions to worm-like micelles at high concentrations, and 3C 14 lin-3-Q became gel solutions over a wide range of concentrations. In contrast, all other studied surfactants formed ellipsoidal micelles. The minor and major axes of the ellipsoidal micelles formed by liner-type 3C n lin-3-Q increased with the increasing alkyl chain length. As the spacer chain length of 3C n lin-s-Q increased from 3 to 6, and as the spacer skeleton expanded from linear-type 3C n lin-s-Q to star-type 3C n tris-s-Q, the surfactants formed ellipsoidal micelles without the formation of aggregates with a high-order structure, demonstrating this behavior over a broad concentration range.

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“…In the field of surface chemistry, surfactants are generally categorized into four types based on the charge of hydrophilic groups: cationic surfactants, anionic surfactants, nonionic surfactants, and zwitterionic surfactants. − However, in many practical applications, e.g., oil recovery, , printing industry, and detergent industry, , a combination of different surfactants is employed to achieve synergistic effects. Compared to single surfactant systems, mixed surfactant systems exhibit higher surface activity, lower critical micelle concentration (CMC), and reduced interfacial tension due to their synergistic effects. , The complexation of anionic/cationic surfactants results in greater synergistic effects, diverse phase behavior and superior surface activity. − However, the propensity for precipitation or coagulation in aqueous solutions arises from the strong electrostatic attraction among the head groups of anionic/cationic surfactant mixtures. This phenomenon is usually related to the molecular structure between cationic/anionic surfactants …”

Section: Introductionmentioning

confidence: 99%

Interaction, Surface Activity, and Application of Mixed Systems of Alcohol Ether Sulfate Anionic Surfactants with Multiple Ethylene Oxide Groups and Gemini Quaternary Ammonium Surfactant

Lin,

Li,

Jiang

et al. 2024

Langmuir

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The surface activities and application properties for the mixtures of cationic surfactants tetramethylene-1,4-bis[N,N-bis(hydroxypropyl)-hexa/decyloxypropylammonium] bromide (GC 10 -P) and tetramethylene-1,4-bis[N,N-bis(hydroxyethyl)hexa/decyloxypropylammonium] bromide (GC 10 -E) and anionic surfactant isomeric sodium fatty alcohol ether sulfates (iso-AE 9 S) were investigated using both the tensiometry and the conductometry. The interaction parameters and thermodynamic micellization parameters of GC 10 -P/iso-AE 9 S and GC 10 -E/iso-AE 9 S mixtures were evaluated by Clint−Rubingh and Motomura theoretical models. When the mole fraction of α 1 for GC 10 -P/iso-AE 9 S mixed system was 0.2, the critical micelle concentration (CMC) reached a minimum of 1.61 × 10 −4 mol/L, and the minimum critical micelle concentration of the GC 10 -E/iso-AE 9 S mixed system is 2.67 × 10 −5 mol/L at α 1 = 0.6. The CMC value of the mixed system is 1−2 orders of magnitude lower than that of any single component. The results indicate that the synergistic effects of the investigated mixed systems (evaluated by β m ) are in order of GC 10 -P/iso-AE 9 S < GC 10 -E/iso-AE 9 S, with maximum β m values of −17.98 and −9.78, respectively. The change in zeta potential indicates that the poly(ethylene oxide) chain has weakened the charge density of the hydrophilic headgroup of the anionic surfactant. The interfacial tension at the oil−water interface in the mixed system of anionic/cationic surfactants is lower than that of any single component, exhibiting a higher interfacial activity. The mixed system exhibits a decreased contact angle and superior wetting ability over any single component, and it also enhances foam performance, emulsification performance, and degreasing performance.

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Adsorption of cationic multicharged surfactants at liquid–gas interface

Cited by 11 publications

References 131 publications

The effectiveness of newly synthesized quaternary ammonium salts differing in chain length and type of counterion against priority human pathogens

The effectiveness of newly synthesized quaternary ammonium salts differing in chain length and type of counterion against priority human pathogens

Structural Analysis of Aggregates Formed by Linear- and Star-type Quaternary Ammonium Salt-Based Trimeric Surfactants Using Rheology and Small-Angle X-ray Scattering

Interaction, Surface Activity, and Application of Mixed Systems of Alcohol Ether Sulfate Anionic Surfactants with Multiple Ethylene Oxide Groups and Gemini Quaternary Ammonium Surfactant

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