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Book synopsis

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.

Book details

Book category Knihy po anglicky Technology, engineering, agriculture Industrial chemistry & manufacturing technologies Industrial chemistry

• Full title: Ion Exchange-Mediated Sulfonation in Microemulsions/Emulsions
• Subtitle: Sulfonation via Ion Exchange
• Author: Maen Husein
• Language: English
• Binding: Paperback
• Number of pages: 164
• EAN: 9783639157321
• ISBN: 363915732X
• ID: 06824209
• Publisher: VDM Verlag
• Weight: 249 g
• Dimensions: 229 × 152 × 10 mm
• Date of publishing: 25. March 2011

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