Bookcover of Ion Exchange-Mediated Sulfonation in Microemulsions/Emulsions
Booktitle:

Ion Exchange-Mediated Sulfonation in Microemulsions/Emulsions

Sulfonation via Ion Exchange

VDM Verlag Dr. Müller (2011-03-25 )

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ISBN-13:

978-3-639-15732-1

ISBN-10:
363915732X
EAN:
9783639157321
Book language:
English
Blurb/Shorttext:
This book involves a detailed study on nucleophilic sulfonation of decyl halides and benzyl halides in o/w microemulsions and emulsions formed with the two-tailed cationic surfactants dioctyldimethylammonium chloride/bromide, R2(Me)2N+Cl-/Br-. At the concentrations employed, phase separation occurred and emulsions formed in most of the samples. The chloride counterion reacted with the halide precursors to form an intermediate, decyl chloride, and a side product, benzyl chloride. The tendency of sodium decyl sulfonate to remain at the interface resulted in lower conversion with increasing decyl halide concentration, while the formation of a separate benzyl halide phase produced the same effect. Increasing the mole ratio sodium sulfite/halide precursor increased the conversion to the final product in a manner which supports an ion exchange followed by a second order nucleophilic substitution mechanism. A single-pseudophase model described the sulfonation of decyl halides, while a three-pseudophase model was applicable to benzyl halides. The three new assumptions employed in the models.
Publishing house:
VDM Verlag Dr. Müller
Website:
http://www.vdm-verlag.de
By (author) :
Maen Husein
Number of pages:
164
Published at:
2011-03-25
Stock:
Available
Category:
Biochemistry, biophysics
Price:
68.00 €
Keywords:
sulfonation, microemulsion, Emulsion, ion exchange, surfactant, water soluble, oil soluble, Reactant, oil soluble, oil soluble

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