Insect repellent for solenopsis invicta and preparation method of insect repellent
A technology of RIFA and emulsifier, applied in the field of pesticides, can solve the problems of immature RIFA control methods, single product, single method, etc., and achieve the effects of increasing the drug load, good effect and low dosage
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Embodiment 1
[0032] Insect repellent water for fire ants, including the following quality raw materials: Vietnamese cinnamon bark essential oil 50mg, cinnamyl acetate 20mg, polyoxyethylene sorbitan monopalmitate (Tween 20) 300mg, deionized water 10g .
[0033] The preparation method specifically comprises the following steps:
[0034] (1) Weigh 15g of Vietnamese cinnamon bark and grind it into powder, pass through a 60-mesh sieve, then add 300g of water and mix evenly, heat up to 270°C and distill for 4h to obtain a mixture of cinnamon essential oil and water, filter it through a separatory funnel for 3 times, and then use Anhydrous sodium sulfate absorbs water, collects the essential oil, extracts and purifies it with absolute ethanol, and volatilizes the absolute ethanol to obtain a yellow viscous liquid, which is the Vietnamese cinnamon bark essential oil; then weigh each raw material according to the above-mentioned quality;
[0035] (2) Cinnamyl acetate was added dropwise to the Viet...
Embodiment 2
[0039] Insect repellent water for fire ants, including the following quality raw materials: Vietnamese cinnamon bark essential oil 25mg, cinnamyl acetate 20mg, polyoxyethylene sorbitan monopalmitate (Tween 20) 100mg, deionized water 10g .
[0040] The preparation method specifically comprises the following steps:
[0041] (1) Weigh 15g of Vietnamese cinnamon bark and grind it into powder, pass through a 40-mesh sieve, then add 375g of water and mix evenly, heat up to 270°C and distill for 4h to obtain a mixture of cinnamon essential oil and water, filter it through a separatory funnel for 3 times, and then use Anhydrous sodium sulfate absorbs water, collects the essential oil, extracts and purifies it with absolute ethanol, and volatilizes the absolute ethanol to obtain a yellow viscous liquid, which is the Vietnamese cinnamon bark essential oil; then weigh each raw material according to the above-mentioned quality;
[0042] (2) Add cinnamon acetate dropwise to the Vietnamese...
Embodiment 3
[0046] Insect repellent water for fire ants, including the following quality raw materials: Vietnamese cinnamon bark essential oil 225mg, cinnamyl acetate 20mg, polyoxyethylene sorbitan monostearate (Tween 60) 1000mg, deionized water 10g .
[0047] The preparation method specifically comprises the following steps:
[0048] (1) Weigh 15g of Vietnamese cinnamon bark and grind it into powder, pass through a 50-mesh sieve, then add 225g of water and mix evenly, heat up to 270°C and distill for 4h to obtain a mixture of cinnamon essential oil and water, filter it through a separatory funnel for 3 times, and then use Anhydrous sodium sulfate absorbs water, collects the essential oil, extracts and purifies it with absolute ethanol, and volatilizes the absolute ethanol to obtain a yellow viscous liquid, which is the Vietnamese cinnamon bark essential oil; then weigh each raw material according to the above-mentioned quality;
[0049] (2) Add cinnamon acetate dropwise to the Vietnames...
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