Article (Scientific journals)
Synthesis and Surface-Active Properties of Uronic Amide Derivatives, Surfactants from Renewable Organic Raw Materials
Laurent, Pascal; Razafindralambo, Hary; Wathelet, Bernard et al.
2011In Journal of Surfactants and Detergents, 14 (1), p. 51-63
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Keywords :
Uronic acid; Amide formation; Carbohydrates; Critical micellar concentration; Surface tension
Abstract :
[en] Short chemical syntheses were developed to produce a new set of surfactants from uronic acids derived from widely available raw material. Three different strategies were used to synthesise uronic amide derivatives, the structures of which were totally characterized by spectrometric methods (IR, MS, 1H-RMN and 13C-RMN). The best one, using an acid chloride as synthetic intermediate, furnished the expected amides as a mixture of anomers in 46 to 58 % global yield. Surface-active properties (CMC, g cmc, Tmax, Amin) of homologous series of uronic acid N-alkylamides from C8 to C18 were also assessed. In general, these sugar-based surfactants exhibited good surface-activities, and appeared as valuable non ionic surfactants compared to Triton X-100, the most well-known non ionic surfactant. Increasing the alkyl chain length influenced the CMC values for both glucuronic and galacturonic N-alkylamide derivatives. The galacturonic N-alkylamides decreased g cmc at slower values than their counterpart's glucuronic N-alkylamides.
Disciplines :
Chemistry
Author, co-author :
Laurent, Pascal ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Razafindralambo, Hary  ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Wathelet, Bernard ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Blecker, Christophe ;  Université de Liège - ULiège > Chimie et bio-industries > Technologie des industries agro-alimentaires
Wathelet, Jean-Paul ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie générale et organique
Paquot, Michel ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Language :
English
Title :
Synthesis and Surface-Active Properties of Uronic Amide Derivatives, Surfactants from Renewable Organic Raw Materials
Publication date :
2011
Journal title :
Journal of Surfactants and Detergents
ISSN :
1097-3958
eISSN :
1558-9293
Publisher :
Springer Verlag, Berlin, Germany
Volume :
14
Issue :
1
Pages :
51-63
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 June 2010

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