Method for preparing fatty acyl sodium methionine and composition comprising surfactant
A technology for sodium fatty acyl methionine and fatty acyl methionine, which is applied in the field of preparing sodium fatty acyl methionine and compositions containing this surfactant, and achieves high safety, reduced toxic and side effects of impurities, and high surface activity.
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Embodiment 1
[0025] Add 0.1mol of rice oil fatty acid methyl ester and 11.2g of PEG1500 into a reaction flask equipped with stirring, thermometer, water separator, and reflux condenser, heat up to 100°C and stir to melt, then add 0.1mol of sodium methionine, heat to 170°C, and keep the temperature constant After reacting for 5 hours, the produced methanol was separated, the content of sodium myristoyl methioninate was 0.2%, the content of sodium palmitoyl methioninate was 0.2%, the content of sodium palmitoyl methioninate was 14.5%, the content of sodium linoleoyl methioninate was 33.2%, and the content of sodium oleoyl methioninate was 33.2%. 27.6%, sodium stearoyl methionine content 1.3%, sodium arachidenoyl methionine content 0.5%, sodium arachidyl methionine content 0.5%, sodium docosyl methionine content 0.1%, sodium methionine content 0.5%, sodium fatty acid content 0.7 %, PEG1500 content of 20.7% rice acyl methionine sodium surfactant composition.
Embodiment 2
[0027] Add 0.1mol methyl palm kernel oleate and 11.2g PEG1500 into a reaction flask equipped with stirring, thermometer, water separator, and reflux condenser, heat up to 100°C and stir to melt, then add 0.1mol sodium methioninate, heat to 160°C, and keep constant Temperature reaction for 7 hours, separation of the produced methanol, 0.1% caproyl methionine sodium content, 1.7% octanoyl methionine sodium content, 2.2% caproyl methionine sodium content, 33.8% lauroyl methionine sodium content, 33.8% myristoyl methionine sodium content 13.8%, Sodium Palmitoyl Methioninate 7.7%, Sodium Linoleoyl Methioninate 1.7%, Sodium Oleoyl Methioninate 13.5%, Sodium Stearoyl Methioninate 1.7%, Sodium Arachidyl Methioninate 0.1%, Sodium Methioninate 0.5% A palm kernel oleoyl methioninate sodium surfactant composition with a fatty acid sodium content of 0.6% and a PEG1500 content of 22.6%.
Embodiment 3
[0029] A method for preparing sodium soybean oleyl methioninate surfactant, is characterized in that adding 0.1mol methyl soybean oil and 11.2gPEG1500 in the reaction bottle that is equipped with stirring, thermometer, water separator, reflux condenser, is heated up to Stir and melt at 100°C, add 0.1mol sodium methioninate, heat to 150°C, react at a constant temperature for 9 hours, separate out the produced methanol, and obtain sodium palmitoylmethioninate with a content of 9.4%, sodium linoleoylmethioninate with a content of 43.8%, and sodium oleoylmethioninate Soybean oleylmethioninate sodium surfactant composition with 21.7% content, 3.4% sodium stearyl methionine content, 0.5% sodium methionine content, 0.7% fatty acid sodium content and 20.5% PEG1500 content.
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