(513b) A Sustainable Synthesis of Betain Amphoteric Surfactant Though Alpha-Chloro-Fatty Acid
AIChE Annual Meeting
Wednesday, November 7, 2007 - 4:30pm to 6:30pm
Betaine like surfactant, such as N-substituted betaine, has been synthesized with long chain alkyl amine and á-chloroacetic acid as starting materials. A sustainable synthesis of an amphoteric C-substituted betaine surfactant, á-capryl betaine (á-CB), derivatized from á-chlorofatty acid is described in this paper. The reaction conditions were optimized with orthogonal test. The yield of á-CB reached 88.3% in 10h at 85oC with the initial molar ratio of trimethylamine to á-chlorododecanoic acid of 3:1.
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