Undecanoic and 10-undecenoic acid-based amidobetaines and amidoamine oxides
Three types of undecanoic and 10-undecenoic acid-based surfactants were synthesized in the present work: amphoteric amidobetaines, cationic amidobetaine chlorides and nonionic amidoamine oxides. Structural characterizations of synthesized compounds were b
Preparation and purification method of undecylenamidopropyl betaine
The invention provides a preparation and purification method of undecylenamidopropyl betaine. According to the method, residual chloroacetic acid is removed through ammonia water, and chloroacetic acid is converted into glycine, so that the weight ratio of undecylenamidopropyl betaine is less than one part per million.
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Paragraph 0052; 0053; 0054
(2017/03/08)
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