Effect of benzyl alcohol on the rheological properties of CTAB/KBr micellar systems

Zhang, Weican; Li, Ganzuo; Shen, Qiang; Mu, Jian‐Hai

doi:10.1016/s0927-7757(00)00473-8

Cited by 31 publications

(25 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…When CO 2 is bubbled into the solution, TEA transforms into TEA + and red shift can be observed again, rendering the reformation of worm, which is in agreement with the rheological results. Therefore, it is confirmed again that TEA disrupts the wormlike aggregates of CTAB-NaSal by weakening the binding ability of NaSal to CTAB, and result in the transition from threadlike micelles to spherical micelles, decreasing the viscoelasticity of WLMs, just like that observed from CTABKBr-alcohol [44] and CTAB-NaSal-acrylic acid [45] systems, and then the disrupted worms can be re-obtained after bubbling CO 2 .…”

Section: Tea-sensitive Rheological Behaviors Of Ctab-nasal Wormmentioning

confidence: 58%

“…On the other side, a large number of TEA molecules except the above are solubilized inside the micelles and result in swelling of the WLMs, reflecting a decrease of viscosity and a transition of micellar structure from worm to sphere. Such behaviors were also observed in the CTAB-KBr-alcohol [44] and CTABNaSal-acrylic acid [45] systems, in which polar molecules (acrylic acid or alcohol) usually also result in the transition of threadlike micelles to spherical micelles, decreasing the viscoelasticity of wormlike micellar solutions.…”

Section: Tea-sensitive Rheological Behaviors Of Ctab-nasal Wormmentioning

confidence: 68%

See 1 more Smart Citation

Smart use of tertiary amine to design CO2-triggered viscoelastic fluids

Zhang

et al. 2014

Colloid Polym Sci

View full text Add to dashboard Cite

The construction of CO 2 -responsive surfactantbased viscoelastic fluids is an area of great endeavor, hitherto achieved mainly through the aid of synthetic surfactant with CO 2 -sensitive group. Here, classic cetyltrimethylammonium bromide (CTAB)-sodium salicylate (NaSal) wormlike micellar system is endowed with CO 2 response by simply introducing CO 2 -responsive triethylamine (TEA) without needing specialized organic synthesis. Such a system can be reversibly switched between water-like solution (∼3 mPa s) and viscoelastic fluid (∼40,000 mPa⋅s) with alternately bubbling CO 2 or N 2 , reflecting microstructures evolution from spheres to worms, and this cycle can be repeated more than 15 times without any deterioration. Whereas HCl-induced viscoelastic fluid exhibits obvious weaken after 15 cycles. Combined with pH, conductivity, rheology, UV-Vis, cryo-TEM, and surface activity parameters, it was demonstrated that the CO 2 response of CTAB-NaSal-TEA system originated from the effect of TEA on the binding ability of NaSal to CTAB as species vary, which generally results in a viscosity gap. This simple route to design CO 2 -triggered viscoelastic fluids can be extended to other tertiary amines, even other types of surfactants, and these CO 2 -switchable worms are of great interests for scientific community.

show abstract

Section: Tea-sensitive Rheological Behaviors Of Ctab-nasal Wormmentioning

confidence: 58%

Section: Tea-sensitive Rheological Behaviors Of Ctab-nasal Wormmentioning

confidence: 68%

Smart use of tertiary amine to design CO2-triggered viscoelastic fluids

Zhang

et al. 2014

Colloid Polym Sci

View full text Add to dashboard Cite

show abstract

“…Phenol [23,24] and benzyl alcohol [25,26] has also been found to introduce this kind of structural transitions in aqueous solutions of alkyltrimethylammonium bromide micelles.…”

Section: Resultsmentioning

confidence: 96%

Adsorption of phenol and benzyl alcohol onto surfactant modified silica

Førland

Blokhus

2007

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

“…In China, the researchers in the field of WLM include Dr. G-Z. Li [31] of Shardong University, Dr. S. Liu [32] of Science and Technology University and Prof. J. Huang [33] of Peking University. Dr. L. Zheng [34] of Key Laboratory of Colloid and Interface Chemistry has been engaged in WLM research involving surface active ionic liquids (SAIL).…”

Section: Historical Overviewmentioning

confidence: 99%

Weak interactions-Strong effects: Key role of hydrophobic interaction in the formation of stimuli-responsive viscoelastic gel of worm-like micelles

Saha

2014

BIBECHANA

View full text Add to dashboard Cite

Among all the weak interactions, which are operative in the domain of chemistry, hydrophobic effect is one that leads to new structural motifs like molecular self-assemblies viz., micelles, vesicles etc. Worm-like micelles are polymer like aggregates which have been formed in aqueous surfactant solutions in the presence of additives. These are relatively new materials with exciting material properties. These stimuli-responsive viscoelastic materials are interesting from both fundamental understanding as well as application points of view. The physico-chemical properties of worm-like micelles are studied and the morphological transitions to vesicle as functions of various parameters have been investigated.

show abstract

Effect of benzyl alcohol on the rheological properties of CTAB/KBr micellar systems

Cited by 31 publications

References 20 publications

Smart use of tertiary amine to design CO2-triggered viscoelastic fluids

Smart use of tertiary amine to design CO2-triggered viscoelastic fluids

Adsorption of phenol and benzyl alcohol onto surfactant modified silica

Weak interactions-Strong effects: Key role of hydrophobic interaction in the formation of stimuli-responsive viscoelastic gel of worm-like micelles

Contact Info

Product

Resources

About