Slow-release natural insecticide
A technology of pesticides and slow-release agents, applied in the field of slow-release natural pesticides
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Embodiment 1
[0021] Embodiment 1 Preparation of Patchouli Essential Oil Slow Release Natural Pesticide
[0022] Take patchouli essential oil with a purity of 98.0%, uniformly disperse it in 16.0% dodecylphenol polyoxyethylene ether at a ratio of 0.10%, and mix it with 2.0% dodecylphenol polyoxyethylene ether at 38°C, 800r / min, and 12min under stirring In the sodium alginate solution, freeze-dry at 10° C., and pulverize to obtain patchouli essential oil particles with an average particle diameter of less than 0.3 mm and a water content of less than 3.5%.
Embodiment 2
[0023] Embodiment 2 Preparation of Patchouli Essential Oil Slow Release Natural Pesticide
[0024] Take patchouli essential oil with a purity of 98.0%, uniformly disperse it in 10.0% calcium dodecylsulfonate at a ratio of 0.25%, and mix it with 2.0% seaweed sodium nitrate and carboxymethyl cellulose in a mass mixing ratio of 3:1, vacuum-dried at 45° C., and pulverized to obtain patchouli essential oil particles with an average particle size of less than 0.3 mm and a water content of less than 3.0%.
Embodiment 3
[0025] Example 3 Preparation of Patchouli Essential Oil Slow Release Natural Pesticide
[0026] Take patchouli essential oil with a purity of 98.0%, uniformly disperse it in 1.0% tristyrylphenol polyoxyethyl ether at a ratio of 0.30%, and mix it in 1.0% tristyrylphenol polyoxyethyl ether at 40°C, 1000r / min, 10min under stirring In a solution composed of sodium alginate and β-cyclodextrin in a mass mixing ratio of 1:4, spray-dry at 95°C to obtain patchouli essential oil particles with an average particle size of less than 0.3mm and a water content of less than 3.2%.
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