Synthesis method of dimer acid emulsifier
A synthesis method and dimer acid technology, applied in chemical instruments and methods, non-explosive/non-thermal agent components, dissolution, etc., can solve problems such as harsh emulsification conditions, poor emulsifiability, and poor stability, and achieve stable product quality. Effects of improved emulsification and improved stability
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Embodiment 1
[0024] Embodiment 1: a kind of synthetic method of dimer acid emulsifier, it is to add high-purity dimer acid 500g in the reactor with mechanical stirrer, condenser, vacuum device, thermometer, stir and heat up to 80 ℃, add Diethylene glycol 100g, NaOH solution 0.5g, turn on the stirring and vacuum pump, keep the vacuum degree 50-100mmHg, slowly raise the temperature, when the temperature reaches 130°C, keep the vacuum state and control the heating rate under stirring state 10-20°C / h, Make the formed water evaporate gradually. When the temperature rises to 190°C, keep warm for 1 hour, turn off the vacuum pump, slowly cool down to 150°C, add diluent oil and cool down to 90°C, add tetraethylenepentamine, turn on the stirring and vacuum pump, and slowly Raise the temperature at a rate of 8-10°C / h. When the temperature rises to 130°C and keep the reaction for 1 hour, take a sample and measure the acid value to be less than 1 mg / g. After the reaction, a light yellow transparent emul...
Embodiment 2
[0025] Embodiment 2: a kind of synthetic method of dimer acid emulsifier, it is to add high-purity dimer acid 500g in the reactor with mechanical stirrer, condenser, vacuum device, thermometer, stir and heat up to 80 ℃, add Glycerin 110g, NaOH solution 0.6g, turn on the stirring and vacuum pump, keep the vacuum at 100-700mmHg, and slowly raise the temperature. The water gradually evaporates, when the temperature rises to 180°C, keep warm for 1 hour, turn off the vacuum pump, slowly cool down to 120°C, add diluent oil and cool down to 90°C, add diethanolamine, turn on the stirring and vacuum pump, slowly heat up, the temperature rise speed 8-10°C / h, when the temperature rises to 170°C, keep the reaction for 1h, take a sample and measure the acid value is less than 1mg / g, and the light yellow transparent emulsifier is obtained after the reaction is completed.
Embodiment 3
[0026] Embodiment 3: a kind of synthetic method of dimer acid emulsifier, it is to add high-purity dimer acid 500g in the reactor with mechanical stirrer, condenser, vacuum device, thermometer, stir and heat up to 80 ℃, add Sorbitol 130g, NaOH solution 1g, turn on the stirring and vacuum pump, keep the vacuum degree 50-200mmHg, slowly raise the temperature, when the temperature reaches 130°C, keep the vacuum state and control the heating rate under stirring state 10-20°C / h, so that the formed The water is gradually evaporated. When the temperature rises to 190°C, keep warm for 2 hours, turn off the vacuum pump, slowly cool down to 120°C, add diluent oil and cool down to 90°C, add ethylenediamine, turn on the stirring and vacuum pump, and slowly heat up. The speed is 8-10°C / h, when the temperature rises to 140°C, keep the reaction for 1h, take a sample and measure the acid value is less than 1mg / g, and the light yellow transparent emulsifier is obtained after the reaction is com...
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