Foaming properties of mixtures of a non-ionic (C12DMPO) and an ionic surfactant (C12TAB)

Carey, Enda; Stubenrauch, Cosima

doi:10.1016/j.jcis.2010.03.013

Cited by 81 publications

(48 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The FoamScan uses conductivity measurements and image analysis to monitor the foam volume V foam and the liquid fraction of the foam e.Ad- ditionally, the bubble sizes and bubble size distributions can be analyzed with the cell size analysis (CSA) function. A detailed description of the FoamScan method can be found in [8,9]. Briefly, the FoamScan device consists of a round glass column (Ø 35 mm) with one flat side which has (a) five pairs of electrodes to measure the foam conductance and (b) four glass prisms on the flat side where pictures of the foam can be taken using one of the two CCD cameras.…”

Section: Foam Measurementsmentioning

confidence: 99%

On the Influence of Intersurfactant H-Bonds on Foam Stability: A Study with Technical Grade Surfactants

Ranieri¹,

Preisig²

2018

Tenside Surfactants Detergents

Self Cite

View full text Add to dashboard Cite

From the literature on the foam stability of various surfactants with C 12 alkyl chains but different head groups a clear picture emerges: Foams are more stable when hydrogen bonds can form between the head groups, i. e. when the polar head group has a hydrogen bond donor and a proton acceptor. These observations suggest that hydrogen bonds between neighbouring molecules at the surface enhance foam stability. To support this hypothesis, we carried out a systematic foaming study of two types of technical grade surfactants, one of them being capable of forming H-bonds and the other one not. As was the case for the pure surfactants we found again that more stable foams are formed when the head group is capable of forming intersurfactant H-bonds: These results will certainly affect the future design of surfactants.

show abstract

Section: Foam Measurementsmentioning

confidence: 99%

On the Influence of Intersurfactant H-Bonds on Foam Stability: A Study with Technical Grade Surfactants

Ranieri¹,

Preisig²

2018

Tenside Surfactants Detergents

Self Cite

View full text Add to dashboard Cite

show abstract

“…The foamability and foam stability are generally used to represent foam properties of surfactant solutions. Foamability is an overall capacity of a given surfactant solution to produce foam and can be evaluated as the foam volume generated during a certain time or as the time required to obtain a certain volume of foam [6]. Foam stability refers to the lifetime of a foam column and is commonly characterized by parameters such as the volume of the foam column and the volume of the solution draining out of the foam as a function of time [7].…”

Section: Introductionmentioning

confidence: 99%

Influence of Hydrocarbon Chain Branching on Foam Properties of Olefin Sulfonate with FoamScan

Wang

Liu

Zhou

et al. 2016

J Surfact & Detergents

View full text Add to dashboard Cite

The influence of surfactant structure on foam properties of internal olefin sulfonate (IOS) and alpha olefin sulfonate (AOS) in aqueous solutions was estimated from measurements of the foamability, foam stability, and foam morphology, as obtained from conductivity and image analyses techniques. It was found that the foamability and foam stability of C16–18 AOS are higher compared to that of C16–18 IOS, indicating that hydrocarbon chain branching decreases the foamability and foam stability. The foamability and foam stability are enhanced with increasing surfactant concentration, which increases the adsorbed quantity of surfactant molecules at the air–water interface. The influence of hydrocarbon chain branching on foam morphology was also investigated. It was found that foam cells produced by branched chain C16–18 IOS are larger than the foam cells generated by straight chain C16–18 AOS.

show abstract

“…The influence of different experimental parameters of sparging method on foam properties has been studied by several authors. An increase in foaming agent concentration generally involves a better foamability and foam stability (Carey and Stubenrauch, , ; Saavedra and Gracia Fadrique, ; Stubenrauch et al, , ; Xu et al, ; Yan et al, ). A higher concentration also creates a larger amount of liquid entrapped within the foam, i.e., an increase of liquid fraction (Carey and Stubenrauch, ).…”

Section: Introductionmentioning

confidence: 99%

Screening of Surfactant Foaming Properties Using the Gas‐Sparging Method: Design of an Optimal Protocol

Bois

Hecke

Pezron

et al. 2019

J Surfact & Detergents

View full text Add to dashboard Cite

Foaming properties of five model surfactants, namely, sodium laureth sulfate (SLES), sodium dodecylsulfate (SDS), polyoxyethylene 23 lauryl ether (Brij L23), polysorbate 20 (Tween 20), and polysorbate 80 (Tween 80), have been compared as a function of experimental conditions using the gas‐sparging method. The influence of surfactant concentration relative to the critical micelle concentration (CMC) and three process parameters—frit porosity, gas flow rate, and preset volume of foam (or bubbling time)—was studied by means of a 24–1 factorial design. Three foaming properties were considered: foam capacity, foam stability, and maximal foam density. At the CMC, SLES, SDS, Tween 20, and Brij L23 were indistinguishable, all having very high foaming capacity and stability, regardless of process conditions. At 0.1 CMC, differences among them were highlighted especially at the lowest frit porosity coupled to the highest gas flow rate. Those conditions are thus recommended when a rapid screening of surfactant foaming performances is needed.

show abstract

Foaming properties of mixtures of a non-ionic (C12DMPO) and an ionic surfactant (C12TAB)

Cited by 81 publications

References 55 publications

On the Influence of Intersurfactant H-Bonds on Foam Stability: A Study with Technical Grade Surfactants

On the Influence of Intersurfactant H-Bonds on Foam Stability: A Study with Technical Grade Surfactants

Influence of Hydrocarbon Chain Branching on Foam Properties of Olefin Sulfonate with FoamScan

Screening of Surfactant Foaming Properties Using the Gas‐Sparging Method: Design of an Optimal Protocol

Contact Info

Product

Resources

About