Academic literature on the topic 'Dimeric Surfactants'

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Journal articles on the topic "Dimeric Surfactants"

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Zana, Raoul. "Gemini (dimeric) surfactants." Current Opinion in Colloid & Interface Science 1, no. 5 (1996): 566–71. http://dx.doi.org/10.1016/s1359-0294(96)80093-8.

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Sekhon, B. S. "Gemini (dimeric) surfactants." Resonance 9, no. 3 (2004): 42–49. http://dx.doi.org/10.1007/bf02834987.

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Naik, Bharti, Susmita S. Paranjpe, and Chandu S. Madankar. "Cationic Gemini surfactants: a review on synthesis and their applications." Tenside Surfactants Detergents 61, no. 5 (2024): 491–504. http://dx.doi.org/10.1515/tsd-2024-2585.

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Abstract The molecules of Gemini surfactants are dimeric and consist of two monomeric surfactant units linked by a spacer. Among them, cationic Gemini surfactants have a wide range of application in various industrial sectors such as pharmaceuticals, home and personal care, corrosion inhibition, etc. Various methods of synthesis have been investigated and tested for the synthesis of cationic Gemini surfactants. The surface properties of Gemini surfactants are highly dependent on various factors like spacer, headgroups, counterions, etc. The cationic Gemini surfactants have lower CMC values as
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Behjatmanesh-Ardakani, Reza, and Maryam Farsad. "On the Difference between Self-Assembling Process of Monomeric and Dimeric Surfactants with the Same Head to Tail Ratio: A Lattice Monte Carlo Simulation." Journal of Chemistry 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/525948.

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Experimental data show that gemini surfactants have critical micelle concentrations that are almost tenfold lower than the CMCs of single chain ones. It is believed that the spacer groups play an important role in this subject. Short hydrophilic or long hydrophobic spacers can reduce CMC dramatically. In this paper, self-assembling processes of double-chain and one-chain surfactants with the same head to tail ratio are compared. Dimeric chain structure is exactly double of single chain. In other words, hydrophilic-lyophilic balances of two chain models are the same. Two single chains are conne
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Zana, R., H. Lévy, and K. Kwetkat. "Mixed Micellization of Dimeric (Gemini) Surfactants and Conventional Surfactants. I. Mixtures of an Anionic Dimeric Surfactant and of the Nonionic Surfactants C12E5and C12E8." Journal of Colloid and Interface Science 197, no. 2 (1998): 370–76. http://dx.doi.org/10.1006/jcis.1997.5248.

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Tashiro, Katsumi, Keisuke Ohta, Xiaoguang Cui, et al. "Effects of various forms of surfactant protein C on tidal volume in ventilated immature newborn rabbits." Journal of Applied Physiology 94, no. 4 (2003): 1519–26. http://dx.doi.org/10.1152/japplphysiol.00059.2001.

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Surfactant protein (SP)-C is characterized by α-helix structure and palmitoyl groups attached to two cysteine residues. We examined the function of palmitoylation and dimerization in promotion of tidal volume in immature newborn rabbits. Reconstituted surfactants were made from a mixture of synthetic phospholipids and porcine SP-B (basic mixture) by adding various forms of SP-Cs: normal SP-C isolated from porcine lungs and monomeric or dimeric forms of SP-C. These latter two were isolated from patients with pulmonary alveolar proteinosis and were less palmitoylated. Animals were ventilated at
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Kumar, Naveen, Rashmi Tyagi, and V. K. Tyagi. "Efficiency of single and mixed dimeric surfactants micelles on solubil-ization of polycyclic aromatic hydrocarbons." Applied Chemical Engineering 3, no. 1 (2020): 8. http://dx.doi.org/10.24294/ace.v3i1.545.

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The solubilization of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene, phenanthrene and pyrene by single and mixed anionic dimeric surfactants was investigated and correlated with micellar properties of these surfactants. The surface and micellar properties of single and binary mixed combinations of anionic dimeric surfactants have been studied through surface tension as well as conductivity measurements at 300 K. The associations between their micelle properties and solubilizing efficiency towards PAHs have been quantified and discussed in terms of the molar solubilization ratio (
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Silin, M. A., L. A. Magadova, D. N. Malkin,, P. K. Krisanova, S. A. Borodin, and A. A. Filatov. "Complex Study of a Hydraulic Fracturing Fluid Based on a Pseudo-Dimeric Surfactant." Chemistry and Technology of Fuels and Oils 632, no. 4 (2022): 43–49. http://dx.doi.org/10.32935/0023-1169-2022-632-4-43-49.

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The paper presents a complex study of compositions based on pseudo-dimeric surfactants. Rheological and oscillation studies, proppant test (proppant drop rate and static proppant settling), composition’s influence on clay swelling were carried out.In the course of research, it was found that hydraulic fracturing fluids based on pseudo-dimeric surfactants have advantages over similar systems.
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Alargova, R. G., I. I. Kochijashky, M. L. Sierra, K. Kwetkat, and R. Zana. "Mixed Micellization of Dimeric (Gemini) Surfactants and Conventional Surfactants." Journal of Colloid and Interface Science 235, no. 1 (2001): 119–29. http://dx.doi.org/10.1006/jcis.2000.7311.

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Castro, Mariano J. L., José Kovensky, and Alicia Fernández Cirelli. "New dimeric surfactants from alkyl glucosides." Tetrahedron 55, no. 44 (1999): 12711–22. http://dx.doi.org/10.1016/s0040-4020(99)00786-3.

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Dissertations / Theses on the topic "Dimeric Surfactants"

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Pedro, Ricardo. "Síntese e propriedades de tensoativos zwitteriônicos: 3-acilamido-1-(N,N-dimetil) propanobetaínas, RCONH(CH2)3N+(CH­3)2CH2CO2." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/46/46135/tde-15022019-120838/.

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Datta, Sougata. "Design and Synthesis of Stimuli-responsive Gelators and Novel Gemini Surfactants and Characterization of their Properties upon Self-assembly." Thesis, 2014. https://etd.iisc.ac.in/handle/2005/4566.

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Chapter 1. A Brief Overview of Gemini Surfactants and Low Molecular-Weight Gelators (LMWGs) The first part of this chapter gives a brief account of the research done in the area of aqueous 3D-(ca. micelles and vesicles etc.) and 2D-aggregates (ca. Langmuir film) formed from different types of gemini surfactants. It also provides classification of surfactants and critical packing parameter associated with the morphology of various aggregates. The second part of this chapter encompasses a literature survey about the low molecular weight gelators (LMWGs) endowed with specific functions to promot
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Book chapters on the topic "Dimeric Surfactants"

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Zana, R. "Bolaform and dimeric (gemini) surfactants." In Specialist Surfactants. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1557-2_4.

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Abou, V., H. Benalla, M. J. Meziani, and J. Zajac. "The effect of phenol on the critical micelle concentration and the enthalpy of micellisation of cationic dimeric surfactants in aqueous solutions." In Trends in Colloid and Interface Science XVII. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b93968.

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Przybylski, M., C. Maier, K. Hägele, et al. "Primary structure elucidation, surfactant function and specific formation of supramolecular dimer structures of lung surfactant associated SP-C proteins." In Peptides. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0683-2_109.

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Zana, Raoul. "Dimeric (Gemini) Surfactants." In Surfactant Science. CRC Press, 2003. http://dx.doi.org/10.1201/9780203911518.ch7.

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"Dimeric (Gemini) Surfactants." In Structure-Performance Relationships in Surfactants. CRC Press, 2003. http://dx.doi.org/10.1201/9780203911518-21.

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Zana, Raoul. "Gemini (Dimeric) Surfactants in Water." In Surfactant Science. CRC Press, 2003. http://dx.doi.org/10.1201/9780203913093.ch6.

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Zana, Raoul, and Jiding Xia. "Mixed Micellization between Dimeric ( Gemini) Surfactants and Conventional Surfactants." In Surfactant Science. CRC Press, 2003. http://dx.doi.org/10.1201/9780203913093.ch10.

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Ikeda, Isao. "Synthesis of Gemini (Dimeric) and Related Surfactants." In Surfactant Science. CRC Press, 2003. http://dx.doi.org/10.1201/9780203913093.ch2.

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Zana, Raoul. "Properties of Micelles and of Micellar Solutions of Gemini (Dimeric) Surfactants." In Surfactant Science. CRC Press, 2003. http://dx.doi.org/10.1201/9780203913093.ch7.

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O’Connor, Charmian, Norikatsu Hattori, and Hirofumi Okabayashi. "Aggregation Behavior of Dimeric and Gemini Surfactants in Solution." In Adsorption and Aggregation of Surfactants in Solution. CRC Press, 2002. http://dx.doi.org/10.1201/9780203910573.ch6.

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Conference papers on the topic "Dimeric Surfactants"

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Tsui, Kenny, and Jennifer E. Wong. "Effect of Corrosion Inhibitor Active Components on Corrosion Inhibition in a Sweet Environment." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10326.

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Abstract In sweet corrosion, corrosion scales such as iron carbonate are formed on the internal surfaces of oil and gas production and transport systems. Depending on the type of corrosion inhibition program and the age of production system before chemical treatment is implemented, the presence of corrosion scale could affect the performance of the inhibitor. Previous work completed by the authors' company investigated the interaction of iron carbonate and three inhibitor actives - quaternary amine, imidazoline, and phosphate ester. This study is a continuation and examines two more generic co
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Pal, N., N. Kumar, and A. Mandal. "Synergistic Oil Displacement Effects of Dimeric Surfactant-Polymer-Silica Stabilized Nanoemulsions over Conventional EOR Fluids." In EAGE 2020 Annual Conference & Exhibition Online. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202011781.

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"Phytotoxic Effects of Dimeric Cationic Surfactant Gemini (16-2-16), (16-6-16) And (16-10-16)." In International Conference on Chemical, Environment & Biological Sciences. International Institute of Chemical, Biological & Environmental Engineering, 2014. http://dx.doi.org/10.15242/iicbe.c914061.

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Chen, Zhi, Fang Guo, Junqiang Xu, and Jun Li. "Synergistic Inhibition Effect of Dimeric Surfactant 12-2-12 and Halide Ions on the Corrosion of A3 Carbon Steel in 1M HCl Solution." In 2015 International Conference on Advanced Material Engineering. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814696029_0023.

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Mattsson, Rosa, Johan Sterte, and Lars Ödberg. "Colloidal Stability of Alkyl Ketene Dimer (AKD) Dispersions. Influence of Shear, Electrolyte Concentration, Poly-electrolytes and Surfactants." In The Science of Papermaking, edited by C. F. Baker. Fundamental Research Committee (FRC), Manchester, 2001. http://dx.doi.org/10.15376/frc.2001.1.393.

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The influence of shear, electrolytes, polyelectrolytes (anionic trash), and surfactants on the colloidal stability of differently formulated AKD dispersions was investigated. The stability was tested under shear in a Britt Dynamic Drainage Jar by measuring particle size distributions and microelectrophoretic mobilities. Three cationic dispersions were used, stabilised with (1) starch with low charge density, (2) starch with medium charge density and a polyaluminum salt, (3) synthetic polymer with high charge density. All dispersions showed good to excellent stability to high levels of shear an
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Yang, Zhen, Yefei Wang, Matjaž Finšgar, Jiajia Wu, and Wengang Ding. "Novel High-Efficient Key Component of Steel Corrosion Inhibitors Formulation for Acidification: Indolizine Derivatives of the Conventional N-Heterocyclic Quaternary Ammonium Salts." In SPE International Conference on Oilfield Chemistry. SPE, 2023. http://dx.doi.org/10.2118/213814-ms.

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Abstract Acidizing, the widely used technique for well stimulation, requires a great consumption of effective Corrosion Inhibitors (CIs), due to the severe and fast corrosion of metallic equipment caused by strong hot acid as soon as the acidizing fluids are pumping down to reservoir. This paper presents a new concept of indolizine derivative inhibitors with remarkable inhibition effectiveness for steel under acidizing condition, which will reduce the cost and environmental burden of acidizing CIs significantly. Indolizine derivatives of several quinolinium salts (serves as main component of c
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Teuber, M. J., G. K. Sanghar, M. Juarez, et al. "Wildfire Smoke Exposure Increases Circulating Group 2 Innate Lymphoid Cell (ILC2) Number and Serum Eotaxin 2 (CCL24), D-Dimer and Surfactant Protein D (SP-D)." In American Thoracic Society 2022 International Conference, May 13-18, 2022 - San Francisco, CA. American Thoracic Society, 2022. http://dx.doi.org/10.1164/ajrccm-conference.2022.205.1_meetingabstracts.a5046.

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