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Micro-foam insecticide and preparation method thereof

A technology of insecticide and foam, which is applied in the field of insecticide microfoam and its preparation, can solve the problems of rare foam insecticides and hindering plant photosynthesis

Inactive Publication Date: 2019-03-22
赵言元 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the foam formed on the surface of the leaves can block the respiration of pests, and at the same time, it can also block the respiration of plants and hinder the photosynthesis of plants.
[0009] Due to various factors, it is still relatively rare to use foam insecticides for crop insecticide in the prior art

Method used

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  • Micro-foam insecticide and preparation method thereof
  • Micro-foam insecticide and preparation method thereof
  • Micro-foam insecticide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The preparation of embodiment 1 acephate microfoam insecticide

[0049] S1: Mix 0.02 part of the insecticidal active ingredient acephate with 0.5 part of the oil phase additive triglyceride, grind for 15 minutes, and use it as the oil phase;

[0050] S2: Take 150 parts of ultrapure water, 3 parts of ethylene glycol and 1 part of propylene glycol, mix and heat to 70°C and transfer them to a blender, add 2 parts of emulsifier sodium laureth sulfate and 1 part of sodium laureth sulfate, Then add the oil phase obtained by grinding in step S1, and stir at 3000r / min for 5min;

[0051] S3: Add 5 parts of foaming agent sodium dodecylbenzene sulfonate, 1.5 parts of foam stabilizer chitosan and 0.3 parts of thickener hydroxypropyl cellulose ether, and stir for 30 minutes at 1000 r / min;

[0052] S4: Fill the product prepared in step S3 into the pressure-resistant device, install the valve, and fill in 2 times the volume of propellant, air, N 2 The volume ratio of O, propane and ...

Embodiment 2

[0053] The preparation of embodiment 2 acetamiprid microfoam insecticide

[0054] S1: Mix 0.05 parts of the insecticidal active ingredient acetamiprid with 1 part of the oil phase additive lecithin and 2 parts of triglycerides, grind for 15 minutes, and use it as the oil phase;

[0055] S2: Take 300 parts of ultrapure water, 5 parts of isopropanol, 3 parts of ethylene glycol and 5 parts of propylene glycol, mix and heat to 70°C, transfer them to a blender, add emulsifiers 3 parts of sodium laureth sulfate, coconut oil 3 parts of sodium acylglutamate, then add the oil phase ground in step S1, and stir at 3000r / min for 5min;

[0056] S3: Add 5 parts of foaming agent sodium lauryl sulfate, 5 parts of eucalyptus oil and 5 parts of potassium lauroyl glycinate, 3 parts of foam stabilizer chitosan and 2 parts of peptidoglycan, thickener hydroxypropyl methylcellulose 2 parts of ether, stirred at 1000r / min for 30min;

[0057] S4: Fill the product prepared in step S3 into the pressure...

Embodiment 3

[0058] The preparation of embodiment 3 anti-pirimicarb micro-foam insecticide

[0059] S1: Mix 0.025 parts of the insecticidal active ingredient pirimicarb with 2 parts of the oil phase additive triglyceride, grind for 15 minutes, and use it as the oil phase;

[0060] S2: Take 200 parts of ultrapure water and 10 parts of ethylene glycol, mix and heat to 70°C, transfer them to a blender, add 1 part of emulsifier disodium cocoyl glutamate, 3 parts of sodium lauroyl glutamate, and then add The oil phase ground in step S1 was stirred at 3000r / min for 5min;

[0061] S3: Add 5 parts of foaming agent potassium lauroyl glycinate and 3 parts of sodium dodecylbenzenesulfonate, 4 parts of foam stabilizer peptidoglycan, 0.4 parts of thickener hydroxypropyl cellulose ether and hydroxypropyl methyl 0.5 part of cellulose ether, stirred at 1000r / min for 30min;

[0062] S4: Fill the product prepared in step S3 into the pressure-resistant device, install the valve, and fill in 3 times the vol...

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Abstract

The invention discloses a micro-foam insecticide which is characterized in that an oil phase additive, an emulsifier, an aqueous phase, a foaming agent, a thickening agent, a propellant and a foam stabilizer of a mesh structure are added into insecticidal activity ingredients; a micro-foam preparation comprising the insecticidal activity ingredients is formed; the thickening agent is selected frompolymers which are partially soluble to water or at least dispersible to water and form a sticky hydrogel system. When sprayed onto crop leaves, the micro-foam insecticide forms micro foam. Comparedwith an ordinary foaming agent, the micro-foam insecticide is high in wall-hanging property and adhesiveness, the retention time of the medicine on plant leaves is further prolonged, the application amount is reduced, drug tolerance of the crops is reduced, and the planting cost of the crops is reduced.

Description

technical field [0001] The invention belongs to the field of chemical pesticides, and in particular relates to an insecticidal microfoam and a preparation method thereof. Background technique [0002] my country is a large agricultural country. The production structure of China's agriculture mainly includes planting, forestry, and animal husbandry. Due to the influence of geographical location and climatic environment, China's agriculture has been dominated by planting for thousands of years. At present, due to the large population and the relatively small area of ​​cultivated land, food production plays a major role. Crop diseases and insect pests have always been important biological disasters in agricultural production. According to statistics from the Food and Agriculture Organization of the United Nations, 10% of the world's grain production is lost due to pests and 14% due to diseases. The annual loss caused by pests and diseases in my country is comparable to the s...

Claims

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Application Information

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IPC IPC(8): A01N57/28A01N47/40A01N47/18A01N25/16A01N25/22A01N25/24A01P7/04
CPCA01N25/16A01N25/22A01N25/24A01N47/18A01N47/40A01N57/28
Inventor 李志娟赵言元
Owner 赵言元