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Unsubstituted <i>β</i>-Alkyl Aspartates as Highly Biodegradable and Almost Nontoxic Surfactants
University of Latvia, Riga, Latvia
University of Latvia, Riga, Latvia
University of Latvia, Riga, Latvia
- 1 University of Latvia, Riga, Latvia
- 2 University of Latvia, Riga, Latvia
- 3 University of Latvia, Riga, Latvia
Green and Sustainable Chemistry·Volume 06 (2016)·Pages 125–135·Published 11 August 2016·DOI10.4236/gsc.2016.63012
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Abstract
Zwitterionic surfactants— β -alkyl aspartates are prepared by the addition reaction of ammonia to alkyl maleates. Factors are discussed that influence the quality and yields of obtained β -alkyl aspartates. Structures of obtained surfactants are confirmed by 1 H NMR and IR spectra. The applicability of these materials is characterized by evaluation of their surface activity, toxicity and biodegradability.
KeywordsBiodegradabilitySurface TensionSynthesisToxicityZwitterionic Surfactants
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