Animal-derived miticide 20-30% Liujiamansuan emulsion in water as well as preparation method and application thereof
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A technology of hexamethic acid and source acaricide, which is applied in the field of animal source acaricide 20-30% hexamethic acid aqueous emulsion and its preparation field, can solve the problems of little research on animal source acaricide, and achieves the goal of avoiding easy Inflammable and explosive, reducing environmental pollution and low toxicity
Active Publication Date: 2021-02-05
SOUTHWEST UNIVERSITY
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Problems solved by technology
However, at this stage, the research on bio-derived acaricides is currently mainly concentrated on plant-derived and micr
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[0027] Example 1:
[0028] An animal-derived acaricide 20-30% hexamethic acid aqueous emulsion, the aqueous emulsion comprises the following components by mass percentage: 20-30% hexamethic acid, 5-8% solvent, 2-5% dispersant , 1-5% emulsifier, 1-4% co-emulsifier, 0.5-3% antifreeze, 0.2-0.6% preservative and 44.4-70.3% deionized water.
[0029] Its preparation method comprises the following steps:
[0030] S1. Mix the hexamethic acid and the solvent according to the ratio, fully stir at room temperature to completely dissolve the active ingredients, and then add dispersant, emulsifier, co-emulsifier, etc. and stir to form a uniform oil phase;
[0031] S2. Mix antifreeze, preservative and remaining water, and stir to form a uniform water phase;
[0032] S3. Under high-speed stirring, the water phase is added to the oil phase, and sheared for 30 to 40 minutes to emulsify it to form a well-dispersed milky liquid, that is, a water emulsion is obtained
[0033] The hexamethic ac...
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[0041] Example 2:
[0042] An animal source acaricidal active substance 20-30% hexamethic acid aqueous emulsion, which is composed of 20% hexamethic acid, 5% methyl oleate solvent, 2% Tween 80 dispersant, 2% Ethylene glycol antifreeze, 2% polyoxyethylene stearate emulsifier, 1% butanol co-emulsifier and 68% deionized water.
Example Embodiment
[0043] Example 3:
[0044] An animal source acaricidal active substance 20-30% hexamethic acid aqueous emulsion, which is composed of 25% hexamethic acid, 6% methyl oleate solvent, 2% magnesium aluminum silicate dispersant, 2% propylene glycol antifreeze, 2% alkyl amide polyoxyethylene ether emulsifier, 1% isobutanol co-emulsifier and 62% deionized water.
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Abstract
The invention relates to the technical field of biological pesticides, and discloses an animal-derived miticide 20-30% Liujiamansuan (a Cnidocampa flavescens puparium petroleum ether extract with an active ingredient of 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid) emulsion in water as well as a preparation method and application of the animal-derived miticide 20-30% Liujiamansuan emulsionin water. The emulsion in water comprises the following components in percentage by mass: 20-30% of Liujiamansuan, 5-8% of a solvent, 2-5% of a dispersing agent, 1-5% of an emulsifier, 1-4% of a co-emulsifier, 0.5-3% of an anti-freezing agent, 0.2-6% of a preservative and 44.4-70.3% of deionized water. The Liujiamansuan emulsion in water is an animal-derived acaricide, the raw drug Liujiamansuan of the Liujiamansuan emulsion in water is derived from Cnidocampa flavescens puparium, and the Liujiamansuan emulsion in water is low in toxicity, easy to degrade, low in residue and safe to the ecological environment, and is a green and safe animal-derived acaricide. According to the present invention, the Liujiamansuan is extracted from Cnidocampa flavescens puparium residue through petroleum ether, such that the benefit of turning waste into treasure is provided, and the Liujiamansuan emulsion in water prepared through the method is one of the important means for achieving ecological agriculture and green agriculture, and has broad application prospects in the field of acaricidal biopesticides.
Description
technical field [0001] The invention relates to the technical field of biopesticides, in particular to an animal source acaricide 20-30% hexamethicic acid emulsion in water and a preparation method and application thereof. Background technique [0002] Fabre mentioned in "Insects" that when pine caterpillars come into contact with human skin, it causes redness, swelling, festering, and extreme itching. But this irritating effect on human skin is not unique to pine caterpillars. Many moths can also produce similar reactions, or even stronger. For example, the Lepidoptera insect Cnidocampa flavescens Walker (Cnidocampa flavescens Walker), commonly known as foreign hot peppers, octagonal nails and so on. [0003] The occurrence and damage of crop mites are very serious, all over the world in any crops and regions. Among them, economic crops such as cotton, fruit trees, and tea suffered the most. Although mites are small in size, they reproduce quickly, have many generations,...
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