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Butler CSG, Kelleppan-Meaney VT, Williams AP, Giles LW, Vidallon MLP, Sokolova A, de Campo L, Tuck KL, Tabor RF. Influence of tail group length, amide functionality and added salt ion identity on the behaviour of betaine surfactants. J Colloid Interface Sci 2024; 653:338-350. [PMID: 37717434 DOI: 10.1016/j.jcis.2023.08.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/13/2023] [Accepted: 08/26/2023] [Indexed: 09/19/2023]
Abstract
Hypothesis The behaviour of surfactants in solution and at interfaces is governed by a combination of steric and electrostatic effects experienced by surfactant molecules as they interact with solvent, other species in solution, and each other. It would therefore be anticipated that highly interacting groups would significantly influence surfactant behaviour. The widely used amide functionality has polar H-bond donor/acceptor properties, and therefore its inclusion into a surfactant structure should have a profound effect on surface activity and self-assembly of that surfactant when compared to the equivalent molecule without an amide linker. Further, chaotropic or kosmotropic salt ions that affect water structuring and hydrogen bonding may provide opportunities for further tuning surfactant interactions in such cases. Experiments A library of betaine surfactant with tail lengths n=14-22 both with and without an amidopropyl linker were synthesised to study the effect of the amide functionality on surfactant properties. Characterisation of the molecules interfacial properties were performed using pendant drop tensiometry and their solution state formulation properties were probed using small-angle neutron scattering (SANS) and rheological measurements. Findings Presence of an amidopropyl linker had little effect on aggregation propensity (as evidenced by critical micelle concentration) and aggregate morphology of betaine surfactants, but did increase the Krafft temperature of these surfactants. SANS analysis indicated that aggregate morphology of alkyl betaine surfactants could be influenced by the addition of sodium salts with chaotropic counterions (I- and SCN-), but they were insensitive to more kosmotropic anions (SO42-, F- and Cl-), providing unique and novel solution control methods for this (supposedly salt-insensitive) class of surfactants.
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Affiliation(s)
- Calum S G Butler
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | | | - Ashley P Williams
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Luke W Giles
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | | | - Anna Sokolova
- Australian Centre for Neutron Scattering, ANSTO, Lucas Heights, New South Wales 2234, Australia
| | - Liliana de Campo
- Australian Centre for Neutron Scattering, ANSTO, Lucas Heights, New South Wales 2234, Australia
| | - Kellie L Tuck
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia.
| | - Rico F Tabor
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia.
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Huang J, Xu H. Investigation of the synergistic effect and the morphology of the binary compound systems with potassium N-lauroyl glycinate. TENSIDE SURFACT DET 2022. [DOI: 10.1515/tsd-2021-2376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Potassium N-lauroyl glycinate (PLG) is an amino acid surfactant widely used in detergents and has excellent chemical properties. In the present work, PLG was mixed in different molar ratios (α1) with the commonly used amphoteric surfactant lauryl amidopropyl betaine (LAB) or the non-ionic surfactant alkyl glycoside (APG). Subsequently, the surface tension, average hydrodynamic radius and number of micellar aggregates of the individual surfactants and the compound systems were measured using the hanging plate method, dynamic light scattering and fluorescence probe method, respectively, and the corresponding surface activity parameters were calculated. The results show that the binary PLG/LAB and PLG/APG systems exhibit non-ideal behaviour and that there was mutual attraction in the systems. The broad distribution of the micelle radius of the PLG/LAB compound system indicates that there are two types of micelles, namely spherical and rod-shaped in the systems. The distribution of the micelle radius of the PLG/APG compound system decreases to the minimum value at α
1 = 0.5. At α
1 = 0.7 and 0.9, double peaks and a broad distribution were also observed. The number of micelle aggregates in the PLG/LAB and PLG/APG compound systems is less than that of the individual surfactants at the respective mole fractions.
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Affiliation(s)
- Jian Huang
- School of Chemical and Material Engineering, Jiangnan University , Wuxi , Jiangsu , P. R. China
| | - Hujun Xu
- School of Chemical and Material Engineering, Jiangnan University , Wuxi , Jiangsu , P. R. China
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Heads or tails? The synthesis, self-assembly, properties and uses of betaine and betaine-like surfactants. Adv Colloid Interface Sci 2021; 297:102528. [PMID: 34655932 DOI: 10.1016/j.cis.2021.102528] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/23/2021] [Accepted: 09/25/2021] [Indexed: 11/23/2022]
Abstract
Betaines are a key class of zwitterionic surfactant that exhibit particularly favorable properties, making them indispensable in modern formulation. Due to their composition, betaines are readily biodegradable, mild on the skin and exhibit some antimicrobial activity. Vital to their function, these surfactants self-assemble into diverse micellar geometries, some of which contribute to increased solution viscosity, and their surface activity results in strong detergency and foaming. As such, their behavior has been exploited in various applications from personal care (including shampoos and liquid soaps) to specific industrial fields (such as enhanced oil recovery). This review aims to inform the reader of the diverse range of different betaine and betaine-like surfactants that have been actively researched over the past three decades. Synthesis as well as both chemical and physical characterization of betaine surfactants are discussed, including small-angle scattering studies that indicate self-assembly structures and rheological data that demonstrates texture and flow. Stimulus responsive systems and exotic betaine analogs with enhanced functionality are also covered. Crucially, the connection between surfactant molecular architecture and function are highlighted, exemplifying precisely why zwitterionic betaine and related surfactants are so uniquely functional.
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Molchanov VS, Kuklin AI, Orekhov AS, Arkharova NA, Khudoleeva ES, Philippova OE. Networks of Micellar Chains with Nanoplates. POLYMER SCIENCE SERIES C 2021. [DOI: 10.1134/s1811238221020053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Abstract
Nanocomposite networks of surfactant micellar chains and natural bentonite clay nanoplates are studied by rheometry, small-angle neutron scattering, and cryogenic transmission electron microscopy. It is shown that, in an aqueous medium in the presence of a small part of an anionic surfactant, sodium dodecyl sulfate, the molecules of a biodegradable zwitterionic surfactant, oleyl amidopropyl dimethyl carboxybetaine, form micron-length living micellar chains which entangle and form a network possessing well-defined viscoelastic properties. It is found that addition of negatively charged clay nanoplates leads to an increase in viscosity and relaxation time by an order of magnitude. This is explained by the incorporation of the nanoplates into the network as physical multifunctional crosslinks. The incorporation occurs via the attachment of semispherical end-caps of the micelles to the surface of the particles covered with a surfactant layer, as visualized by cryogenic transmission electron microscopy. As the amount of nanoplates is increased, the rheological properties reach plateau; this is associated with the attachment of all end parts of micelles to nanoplates. The developed nanocomposite soft networks based on safe and eco-friendly components are promising for various practical applications.
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Molchanov V, Efremova M, Orekhov A, Arkharova N, Rogachev A, Philippova O. Soft nanocomposites based on nanoclay particles and mixed wormlike micelles of surfactants. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113684] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Viscoelasticity and microstructural properties of zwitterionic surfactant induced by hydroxybenzoate salt for fracturing. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112485] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Philippova OE, Molchanov VS. Enhanced rheological properties and performance of viscoelastic surfactant fluids with embedded nanoparticles. Curr Opin Colloid Interface Sci 2019. [DOI: 10.1016/j.cocis.2019.02.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Zhao M, Gao Z, Dai C, Sun X, Zhang Y, Yang X, Wu Y. Effect of Silica Nanoparticles on Wormlike Micelles with Different Entanglement Degrees. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12252] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mingwei Zhao
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
| | - Zhibin Gao
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
| | - Caili Dai
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
| | - Xin Sun
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
| | - Yue Zhang
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
| | - Xiujie Yang
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
| | - Yining Wu
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
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McCoy TM, de Campo L, Sokolova AV, Grillo I, Izgorodina EI, Tabor RF. Bulk properties of aqueous graphene oxide and reduced graphene oxide with surfactants and polymers: adsorption and stability. Phys Chem Chem Phys 2018; 20:16801-16816. [DOI: 10.1039/c8cp02738b] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Aqueous dispersions of graphene oxide and reduced graphene oxide are combined with carefully chosen surfactants and polymers to investigate adsorption and bulk properties in these systems.
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Affiliation(s)
| | | | | | | | | | - Rico F. Tabor
- School of Chemistry
- Monash University
- Clayton 3800
- Australia
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Fei Y, Zhu J, Xu B, Li X, Gonzalez M, Haghighi M. Experimental investigation of nanotechnology on worm-like micelles for high-temperature foam stimulation. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2017.02.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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