Critical Evaluation of Micellization Behavior of Nonionic Surfactant MEGA 10 in Comparison with Ionic Surfactant Tetradecyltriphenylphosphonium Bromide Studied by Microcalorimetric Method in Aqueous Medium

2006 ◽  
Vol 110 (20) ◽  
pp. 9815-9821 ◽  
Author(s):  
Madhumita Prasad ◽  
Indranil Chakraborty ◽  
Animesh K. Rakshit ◽  
Satya P. Moulik
Keyword(s):  
Nonionic Surfactant ◽  
Aqueous Medium ◽  
Critical Evaluation ◽  
Ionic Surfactant ◽  
Microcalorimetric Method ◽  
Micellization Behavior

Mutual Diffusion Measurements in a Ternary System:  Ionic Surfactant−Nonionic Surfactant−Water at 25 °C

Langmuir ◽  
1998 ◽  
Vol 14 (21) ◽  
pp. 5994-5998 ◽  
Author(s):  
M. Castaldi ◽  
L. Costantino ◽  
O. Ortona ◽  
L. Paduano ◽  
V. Vitagliano
Keyword(s):  
Ternary System ◽  
Nonionic Surfactant ◽  
Mutual Diffusion ◽  
Ionic Surfactant

Influence of Surfactant Sparys on Agglomeration of Inhalable Particle

2014 ◽  
Vol 1044-1045 ◽  
pp. 344-347 ◽  
Author(s):  
De Shuai Sun ◽  
Long Fang ◽  
Ya Li Liu
Keyword(s):  
Nonionic Surfactant ◽  
Surfactant Concentration ◽  
Active Agent ◽  
Atmospheric Environment ◽  
Ionic Surfactant ◽  
Particle Removal ◽  
Inhalable Particles ◽  
Removal Efficiencies

Inhalable particles suspended in air were an important pollution of atmospheric Environment. Because of very small in size, they were different to be captured by conventional filter. Chemical active agent, surfactant and flocculate, were introduced into chamber and encouraged the agglomeration of inhalable particles. Nonionic surfactant could reduce more than 30% of particles, while ionic surfactant could lead to the decrement of 23-26%. The particle removal efficiencies were only 15-18% in the presence of polymer flocculate and slightly above that of water. The larger droplet of spray favored the agglomeration of inhalable particles. Increasing the surfactant concentration resulted in the higher removal of inhalable particle.

Adsorption of Chitosan and Interaction with a Non-Ionic Surfactant on Silica

2011 ◽  
Vol 233-235 ◽  
pp. 1398-1401
Author(s):  
Bing Tao Liu ◽  
Remco Fokkink ◽  
Arie de Keizer
Keyword(s):  
Nonionic Surfactant ◽  
Ionic Surfactant ◽  
Alkyl Ether ◽  
Surface Functionality ◽  
Adsorbed Amount ◽  
Adsorbed Mass ◽  
Optical Reflectometry ◽  
Poly Ethylene Oxide ◽  
Poly Ethylene ◽  
Protein Bovine Serum Albumin

Optical reflectometry is applied as a tool for studying single and simultaneous adsorption of a carbohydrate, a nonionic surfactant, and a protein, For the nonionic surfactant poly(ethylene oxide) alkyl ether on a silica surface the adsorption process is fast and reversible, and the maximum adsorbed amount was 2.45 mg•m-2. Also, the effect of pH on the adsorption of chitosan on silica, and its interaction with C12EO5have been studied. The maximum adsorbed amount was obtained for pH ≥6.8 (0.80 mg•m-2). Changes in surface functionality upon adsorbing C12EO5on a chitosan layer and the protein, bovine serum albumin, are reported. The results are discussed in terms of adsorption kinetics, adsorbed mass plateau values, and reversibility of layer formation.

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