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Hygienic insecticidal granules and preparation method thereof

A technology of granules and granules, applied in the fields of pesticides, botanical equipment and methods, biocides, etc., can solve the problems of not paying attention to which active ingredients are used in the release layer, and not paying attention to it, so as to quickly reduce the density of pests, reduce the long Controlled release, significant drug effect

Active Publication Date: 2017-11-24
江苏功成生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It can be seen that although the prior art involves the presence of immediate-release and sustained-release layers in granules, it does not pay attention to which active ingredients are used in each release layer, let alone the use of different adjuvants for different active ingredients.

Method used

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  • Hygienic insecticidal granules and preparation method thereof
  • Hygienic insecticidal granules and preparation method thereof
  • Hygienic insecticidal granules and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1

[0048] Dissolve 0.5g pyriproxyfen in 2.5g methyl oleate, add emulsifier (0.2g calcium dodecylbenzenesulfonate, 0.3g fatty alcohol polyoxyethylene ether) Disperse 0.5g of salt-formaldehyde condensate with an appropriate amount of water, and use an appropriate amount of attapulgite particles to fully roll and absorb the above liquid in a drum granulator for 30 minutes, and then add 1.0g of styrene / acrylamide / butyl acrylate copolymer to dilute solution, fully rolled and coated for 30 minutes, and then dried to obtain slow-release core granules for use;

[0049] Dissolve 4.5g of fenthion in 1.5g of diethyl adipate, add emulsifier (0.5g of calcium dodecylbenzenesulfonate, 1.5g of alkylphenol polyoxyethylene ether), stir well, and dissolve with appropriate amount of water After mixing 1.0g of the polycarboxylate dispersant, absorb with 5g of white carbon black, then mix with the diluent containing polyvinyl alcohol 2.0g, and fully roll the package with the above-mentioned slow-relea...

preparation Embodiment 2

[0051] Dissolve 0.25ml of 80,000IU / ml Bacillus thuringiensis subspecies Israel suspension in an appropriate amount of water containing 1.0g of lignosulfonate dispersant, and use an appropriate amount of volcanic rock particles to fully roll and absorb the above liquid for 30min in a drum granulator, and then Add a diluent containing 1.5 g of styrene / acrylamide / butyl acrylate copolymer, fully roll and coat for 30 minutes, and then dry to obtain slow-release core granules for use;

[0052] Dissolve 0.1 g of ivermectin in 1.0 g of dimethyl adipate, add emulsifier (0.2 g of fatty alcohol polyoxyethylene ether, 0.4 g of ethylene oxide and propylene oxide block copolymer) and stir well, and mix with 0.5g naphthalenesulfonate formaldehyde condensate dispersant dissolved in an appropriate amount of water is mixed evenly, adsorbed with 1.0g white carbon black, then mixed with a diluent containing 0.5g sodium carboxymethyl starch, and mixed with The sustained-release core granules were ...

preparation Embodiment 3

[0054] Dissolve 1.0 g of pyriproxyfen in 2.0 g of diisopropyl adipate, add emulsifier (0.1 g of calcium dodecylbenzenesulfonate, 0.4 g of ethylene oxide propylene oxide block copolymer) and stir well , disperse with an appropriate amount of water containing 1.0 g of phenylethylphenol polyoxyethylene ether phosphate triethanolamine salt as a dispersant, and use an appropriate amount of corn cob particles to fully roll and absorb the above liquid in a drum granulator for 30 minutes, and then add benzene Ethylene / acrylamide / butyl acrylate copolymer 2.0g diluent, fully rolled and coated for 30 minutes, dried to obtain slow-release core granules for use;

[0055] Dissolve 1.0g of dithion in 1.0g of tributyl phosphate, add emulsifier (0.2g of calcium dodecylbenzenesulfonate, 0.8g of castor oil polyoxyethylene ether) and stir well, dissolve 0.2g of After mixing the lignosulfonate dispersant, absorb it with 2.0g white carbon black, then mix it with the diluent containing 0.2g gum arab...

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Abstract

The invention relates to hygienic insecticidal granules and a preparation method thereof. The hygienic insecticidal granules are prepared from the following components in parts by weight: 0.1 to 10% of an active component A, 0.1 to 40% of an active component B, 0.2 to 20% of a solvent, 0.1 to 5.0% of an emulsifier, 0.1 to 5.0% of a dispersant, 0.1 to 5.0% of a slow-release film forming agent, 0.1 to 5.0% of a fast-release film forming agent, 0.1 to 10% of an adsorbent, and the balance of a porous carrier. The active component A is a slow-acting reagent, namely Bacillus thuringrensis israelesis Bti or pyriproxyfen; the active component B is selected from the group of fast-acting type neurotoxic reagents, namely fenthion, temephos, chlorpyrifos, pirimiphos-methyl, abamectin, ivermectin, and emamectin benzoate; the active component A is used for being adsorbed into the porous carrier which is wrapped with the active component B; the slow-release film forming agent is a hydrophobic high molecular polymer; the fast-release film forming agent is a water-soluble high-molecular polymer. The specific slow-release film forming agent and the fast-release film forming agent are selected, especially, the composite slow-release film forming agent, the composite fast-release film forming agent and corresponding insecticidal active components which are further compounded in a specific ratio are good in compatibility and have better fast-release and slow-release effects.

Description

technical field [0001] The invention relates to the field of hygienic insecticides, in particular to a composition for hygienically killing mosquito and fly larvae and its application. Background technique [0002] Bacillus thuringiensis subsp. Israel (Bti) is a subspecies of Bacillus thuringiensis that has been studied earlier, with deeper research content and wider application range. It is widely used as a biological mosquitoicide to control the number of mosquitoes and flies. Bti is a Gram-positive spore-forming aerobic bacterium that produces a crystal protein that becomes a toxic protein when ingested by larvae. The toxic protein binds to special receptors on the cell wall of epithelial cells, causing cell membrane perforation , and finally lethal. In addition, it can also secrete thuringin, exotoxin, chitinase and other active ingredients. There are many sites of action, and it will not produce drug resistance. [0003] The juvenile hormone analog pyriproxyfen, its sp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N57/14A01N63/00A01N43/90A01N25/08A01N25/12A01P7/04
CPCA01N25/08A01N25/12A01N43/40A01N43/90A01N57/14A01N63/00A01N2300/00
Inventor 黄昌建姚志牛
Owner 江苏功成生物科技有限公司
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