Nonionic Surfactants
Evaluation of some Nonionic Surfactants Derived from Hydroquinol Compounds as Corrosion Inhibitors for Carbon Steel in Hydrochloric Acid
... Nonionic surfactants derived from hydroquinol compounds inhibit the corrosion process by the horizontal adsorption on steel surface due to the presence to the presence of more than one active center for ...
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Synthesis and Surface Activity of Cashew Based Anion Nonionic Surfactants
... We prepared a series of novel cashew phenol polyoxye- thylene-carboxylates modified anion-nonionic surfactants through ring-opening polymerization, alkalizetion reac- tion and nucleophilic substitution ...
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Synthesis and Characterization of Copper Nanoparticles by Bis (Acetylacetonato) Copper (II) Using Nonionic Surfactants and the Effect of Their Structures on Nanoparticles Size and Yield
... reduction of copper (II) cation to metallic copper nano particles. Two main fac- tors in morphology, yield and grain size of produced copper nanoparticles are accurate suitable non ionic surfactants and copper ...
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Corrosion inhibition of mild steel pipeline using nonionic surfactants
... structure. Surfactants are molecules composed of a polar hydrophilic head, attached to a non-polar lipophilic ...different nonionic surfactants as corrosion inhibitors were investigated ...
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Effect OF NaCl in cloud point of nonionic surfactants and adsorption behavior for chemical flooding in enhanced oil recovery
... 2015). Surfactants can reduce interfacial tension between water and oil, increasing displacement efficiency and removing oil, thus causing an increase in the oil recovery factor (Curbelo, 2008 and Park, ...of ...
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Nonionic surfactants and their effects on asymmetric reduction of 2-octanone with Saccharomyces cerevisiae
... of Emulsifier OP series compounds (with fixed hydro- phobic end and varied hydrophilic end) and Tween series compounds (with fixed hydrophilic end and varied hydrophobic end). These results illustrated that ...
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Application of Nonionic Surfactants based on Rosin As Corrosion Inhibitor for Tubing Steel During Acidization of Petroleum Oil and Gas Wells
... the surfactants ( P C20 )to reduce the surface tension to 50 mN/m was determined from the relation, P C20 = - log concentration at γ equals 50 mNm, and listed in Table ...prepared surfactants, listed in ...
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Solubilization of acetaminophen using phospholipids and nonionic surfactants optimized by experimental design
... and nonionic surfactants (Tween ® 80 and Solutol ® ...of nonionic surfactants, phospholipids and ...three surfactants in water and also with their ...
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New Accelerating Stability Testing Protocol for O/W Emulsions Stabilized by Nonionic Surfactants Including Storage Temperature Determination
... Phase inversion temperature (PIT) represents the third main factor affecting the stability of emulsions. It was discussed in many researches. Shinoda and Saito, concluded that for satisfactory shelf life of emulsions ...
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Investigation of Some Nonionic Surfactants as Corrosion Inhibitors for Carbon Steel in Sulfuric Acid Medium
... It can be established that the in the presence of organic inhibitors the surface becomes more smooth, uniform, compact and homogeneous than the uninhibited surface where indicating protective layers are obtained of ...
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The use of nonionic surfactants and phospholipids to increase the solubility of ibuprofen optimized by experimental design
... and nonionic surfactants (Tween ® 80 and Solutol ® ...of nonionic surfactants, phospholipids and ...three surfactants in water and also with their ...
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Application of some nonionic surfactants as corrosion inhibitors for carbon steel and pour point depressant of middle distillate fuel Oil
... Polarization measurements were performed in 0.5M HCl solution with and without different concentrations of the three nonionic surfactants. Specimens of L5 X52 carbon steel petroleum pipelines were used as ...
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The Influence of Ethoxylated Nonionic Surfactants on the Potentiometric Determination of Anionic Surfactants
... A PVC-plasticized liquid-type anionic surfactant (AS)-responsive sensor, using 1,3-didecyl-2- methylimidazolium-tetraphenylborate (DMI-TPB) as the sensing element, has been utilized for the investigation of the influence ...
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Fluorescence and Light Scattering Studies on the Interactions of 2-Hydroxy-3-Naphthoic Acid with Ionic and Nonionic Surfactants
... certain surfactants has been studied with the help of fluorescence ...various surfactants used for the study are nonionic as well as ionic ...The nonionic surfactants are TX-100 and ...
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Effective surfactants blend concentration determination for o/w emulsion stabilization by two nonionic surfactants by simple linear regression
... two nonionic surfactants. The two surfactants, tween ...the surfactants blends were fixed at 10.185. The surfactants blend concentration is starting from 3% up to ...effective ...
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Interactions of L alanine with anionic, cationic and nonionic surfactants at different temperatures: A volumetric and viscometric study
... of surfactants with globular proteins attracts much attention of researchers ...of surfactants on membrane proteins and lipids ...[10]. Surfactants at low concentrations in aqueous solutions behave ...
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Solubilization of di and poly aromatics using nonionic surfactants
... a good dispersion efficiency is observed with concentrations at and above the critical micelle concentration [Figure 8 and 9]. This behavior reflects the solubilization of the oil droplets into the hydrophobic core of ...
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Development of High Efficient and Low Toxic Oil Spill Dispersants based on Sorbitol Derivants Nonionic Surfactants and Glycolipid Biosurfactants
... In this study, formula uniform design was successfully used to optimize dispersant formulations by arranging the levels of four surfactants continuously. Two optimized formulations were obtained in view of high ...
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Pour point depression and asphaltene solubilization using Nonionic surfactants
... If paraffin hydrocarbon liquids, including both crude oils and wax crystals tend to deposit on the cold pipe wall. If these deposits get too thick, they can reduce the capacity of the pipeline transportation and cause ...
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The preparation and evaluation of self-nanoemulsifying systems containing <em>Swietenia</em> oil and an examination of its anti-inflammatory effects
... Abstract: There is an increasing trend among pharmaceutical industries to use natural bioactive materials as medicinal agents and to use new technologies such as self-nanoemulsifying systems. The solubility and ...
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