Preparation method for realizing micro-encapsulation of core material by acoustic surface wave atomizer
A surface acoustic wave and microencapsulation technology, which is applied in the preparation field of microencapsulation technology, can solve the problems of complex manufacturing process, expensive equipment, and low production efficiency of microcapsules, and achieve the effect of increasing speed and efficiency
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Embodiment 1
[0019] The preparation process of specific embodiment is as follows:
[0020] Step 1, configure the core material emulsion and coagulant:
[0021] Configuration of sesame oil emulsion: first, the mass fraction of 100ml is 3% sodium alginate aqueous solution, then the mass fraction of 100ml is 0.2% monoglyceride, the mixed aqueous solution of 0.4% Tween-80, and then 100ml Sodium alginate aqueous solution, 100ml of mixed emulsifier solution and 100ml of water are poured into a beaker and mixed. After stirring evenly, put it in a constant temperature water bath at 50°C to 60°C. Finally, slowly add 20ml of sesame oil After the jet is added, continue to stir until uniform, stop stirring, and the resulting mixed solution is the sesame oil emulsion;
[0022] The configuration of the coagulant: a calcium chloride aqueous solution with a mass fraction of 2%;
[0023] Step 2, by the formula D = 0.34 8 ...
Embodiment 2
[0027] The preparation process is as follows:
[0028] Step 1, configure the core material emulsion and coagulant:
[0029] Seabuckthorn oil emulsion configuration: first take 100ml seabuckthorn oil, add 0.2mg vitamin E (VE) to the seabuckthorn oil, stir well, then add 2.4g emulsifier S-170 and stir well to get seabuckthorn oil emulsion ;
[0030] Coagulant configuration: First, take 100ml of water and dissolve 5mg of gum arabic into a viscous solution, then add 2.4mg of emulsifier S1570, 1mg of monoglyceride citric acid and 1mg of malt lake essence to the viscous solution, and stir until uniform , the condensate is obtained;
[0031] Step 2, by the formula D = 0.34 8 πγ ρf 2 3 Obtain the resonant frequency of the surface acoustic wave nebulizer, wherein, γ represents the surface tension of the core mater...
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