Method for preparing microcapsule termite poison bait
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A technology of microcapsules and termites, applied in the fields of botanical equipment and methods, preservation of human or animal bodies, and chemicals for biological control, etc. Delay the effect of photolysis
Inactive Publication Date: 2016-06-29
NANTONG QINGANJIAN WATERLESS PRINTING & DYEING INST GENERAL PARTNER
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Highly toxic termite baits may also cause damag
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Embodiment 1
[0020] The waste fungus culture medium is dried and crushed to 50-80 mesh for later use.
[0021] Weigh 80 g of chitinase inhibitor hexaflumuron and 92 kg of corn oil, and grind them; the particle size of hexaflumuron reaches 5-10 μm;
[0022] Then add surfactant Tween 80#6.8kg, heat to dissolve, then add hydroquinone 50mg, methyl eugenol 200mg, stir at high speed evenly or emulsify and shear with high shear for 5 minutes to make a dispersion;
[0023] Add 200L of 2% edible gelatin aqueous solution and 1L of ethanol to the dispersion, freeze at -1°C for 3 hours and take out;
[0024] Adding a weight ratio of 2% gum arabic aqueous solution to the frozen dispersion to make the total amount of the solution reach 500 L, and reacting for 10 hours to make a microcapsule water suspension;
[0025] Get 6kg of microcapsule water suspensions, 94kg of waste fungus culture medium powder, stir and mix with a mixer for 30 minutes, remove excess water with a spray dryer to obtain powdery mi...
Embodiment 2
[0028] The waste fungus culture medium is dried and pulverized to 80-100 mesh for later use.
[0029] Accurately weigh 5 kg of the chitinase inhibitor diflubenzuron and 80 kg of corn oil, mix them evenly and grind them with a sand mill for 4-6 hours, the particle size of diflubenzuron reaches 1-2 μm,
[0030] Add surfactant Span 20#6kg, phenylethyl alcohol 100mg, phenol 100mg, mix and emulsify to make a dispersion;
[0031] Add 200L of 2% practical gelatin aqueous solution and 2L of ethanol to the dispersion, and take it out after freezing at 0°C for 8 hours;
[0032] Add a 2% aqueous gum arabic solution by weight to the frozen dispersion to make the total amount of the solution reach 500 L, and react at a constant temperature at 60° C. for 3 hours to obtain a microcapsule aqueous suspension.
[0033] Take by weighing 10 kg of microcapsule water suspension, 90 kg of waste fungus medium powder, mix uniformly with a mixer, and dry with a fluidized bed dryer to obtain powdered m...
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Abstract
The invention provides a method for preparing microcapsule termite poison bait. The method comprises the steps of 1, mixing a chitinase inhibitor pesticide with edible vegetable oil, and conducting grinding to obtain an oil-pesticide mixture; 2, adding an insect attractant, a surface active agent and water to the oil-pesticide mixture, and conducting stirring to obtain dispersion liquid; 2, adding gelatin aqueous solution and ethyl alcohol to the dispersion liquid, and conducting freezing at 0-2 DEG C; 4, adding Arabic gum aqueous solution to the frozen dispersion liquid to prepare a microcapsule water suspension; 5, mixing a dried and smashed waste agaric culture medium with the microcapsule water suspension, and conducting drying to obtain the powdery microcapsule termite poison bait. By the adoption of the poison bait, a queen ant can not spawn or can only spawn addle-eggs after being poisoned, in this way, larvae can not be produced, the whole ant colony loses reproduction ability, larvae die several days later due to the failure in normal molting and growth after being fed, and therefore the whole termite population can be killed completely.
Description
technical field [0001] The invention belongs to the technical field of pesticide manufacture in the chemical industry, and in particular relates to a preparation method of microcapsule termite bait. Background technique [0002] Termites are pests in dangerous buildings, dams and riverbanks, and forest slopes all over the world. Termites build their nests underground and are very hidden. In the ant nest, the queen ant dominates the entire ant colony, laying eggs and reproducing offspring, and the rest are soldier ants, responsible for defending the ant nest; worker ants are responsible for foraging for food and maintaining the ant nest clean. Termites often invade human residences and eat wooden structural materials, wires and cables, etc. of houses, causing building collapse or fire. Termites in the wild often dig holes and build nests on reservoir dams, making it easy to cause disasters such as dam breaks during flood periods; in forestry, they harm logging sites and make...
Claims
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Application Information
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