A kind of full bio-based emulsifier and its preparation method and application
An emulsifier and all-biological technology, applied in chemical instruments and methods, preparation of organic compounds, preparation of carboxylic acid esters, etc., can solve the problem of less emulsifiers
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Embodiment 1
[0053] (1) Add the measured glutaric acid in sequence in the reaction kettle, stir and raise the temperature to 109°C until the glutaric acid is completely molten; then add the measured epoxy soybean oil dropwise to the molten glutaric acid Medium (molar ratio -COOH:-EPO=4:1), the time to add epoxidized soybean oil dropwise is 30min, the reaction temperature is 109°C, and the reaction is 90min (the time is calculated from the dropwise addition of epoxidized soybean oil); product;
[0054] (2) The intermediate product obtained in step (1) is dissolved in ethyl acetate, washed at least 4 times with saturated brine, once with deionized water, added with excess anhydrous magnesium sulfate, filtered, and rotary evaporated to remove organic solvent, placed overnight in a vacuum oven at 45°C. Obtain emulsifier, namely epoxy soybean oil-based emulsifier.
[0055] Gel permeation chromatography (GPC) (Shimadzu, Japan) test was equipped with RID-10A refractive index detector, ShodexKF8...
Embodiment 2
[0062] (1) Add the measured glutaric acid in turn in the reaction kettle, stir and raise the temperature to 105°C until the glutaric acid is completely molten; then add the measured epoxy soybean oil dropwise to the molten glutaric acid Medium (molar ratio -COOH:-EPO=7:1), the time to add epoxidized soybean oil dropwise is 30min, the reaction temperature is 120°C, and the reaction is 90min (the time is calculated from the dropwise addition of epoxidized soybean oil); product;
[0063] (2) The intermediate product obtained in step (1) is dissolved in ethyl acetate, washed at least 4 times with saturated brine, once with deionized water, added with excess anhydrous magnesium sulfate, filtered, and rotary evaporated to remove organic solvent, placed overnight in a vacuum oven at 45°C. Obtain emulsifier, namely epoxy soybean oil-based emulsifier.
[0064] The change in the molecular weight of the emulsifier synthesis process was tested by GPC from Shimadzu Corporation of Japan, ...
Embodiment 3
[0068] (1) Add the measured glutaric acid in sequence in the reaction kettle, stir and raise the temperature to 109°C until the glutaric acid is completely molten; then add the measured epoxy soybean oil dropwise to the molten glutaric acid Medium (molar ratio -COOH:-EPO=1:1), the time for adding epoxy soybean oil dropwise is 30min, the reaction temperature is 109°C, and the reaction time is 90min (the time is calculated from the dropwise addition of epoxy soybean oil); product;
[0069] (2) The intermediate product obtained in step (1) is dissolved in ethyl acetate, washed at least 4 times with saturated brine, once with deionized water, added with excess anhydrous magnesium sulfate, filtered, and rotary evaporated to remove organic solvent, placed overnight in a vacuum oven at 45°C. Obtain emulsifier, namely epoxy epoxy soybean oil emulsifier.
[0070] The change in the molecular weight of the emulsifier synthesis process was tested by GPC from Shimadzu Corporation of Japa...
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