A kind of methomyl soluble powder
A soluble powder, methomyl technology, applied in the field of pesticides, can solve the problems of lack of reliable soluble methomyl powder, poor production, blockage, etc., and achieve the effect of convenient application, easy dissolution, and simple preparation process
Active Publication Date: 2016-04-13
海利贵溪新材料科技有限公司
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- Description
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- Application Information
AI Technical Summary
Problems solved by technology
The melting point of methomyl does not exceed 80°C. The existing crushing operation is prone to agglomeration and clogging, resulting in poor production. Therefore, the preparation of soluble methomyl powder is relatively difficult, and there is a lack of reliable quality soluble methomyl in China. powder
Method used
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Embodiment 1
[0022] 91 parts of methomyl original drug, 3.0 parts of anhydrous sodium oxalate, 6.0 parts of hydroxyethyl cellulose.
Embodiment 2
[0024] 91 parts of methomyl original drug, 4.5 parts of anhydrous sodium oxalate, and 4.5 parts of hydroxyethyl cellulose.
Embodiment 3
[0026] 92 parts of methomyl original drug, 3.7 parts of anhydrous sodium oxalate, 4.3 parts of hydroxyethyl cellulose.
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The invention discloses methomyl soluble powder which comprises components in parts by weight as follows: 90-92 parts of methomyl technical, 1-8 parts of a surfactant and 2-7 parts of a thickening agent. According to the methomyl soluble powder, used raw materials are simple, the preparation process is simple, and the product quality is reliable; the prepared soluble powder is easy to dissolve and convenient to apply; the neutral surfactant is adopted, so that the methomyl soluble powder cannot be dissolved, an aqueous solution is neutral, and hydrolysis cannot be caused; and when a medical solution is prepared from the methomyl soluble powder, flying dust is basically prevented, the aqueous solution is not hydrolyzed, and the use safety is better.
Description
technical field [0001] The invention relates to a pesticide, in particular to a methomyl soluble powder. Background technique [0002] Methomyl is a broad-spectrum, high-efficiency, quick-killing, low-residue urethane pesticide insecticide. It has special effects on pests that are resistant to chrysanthemum vinegar and a variety of organophosphorus pesticides. It has registered more than 120 pest control spectrums in 81 countries. Commonly used dosage forms in China include emulsifiable concentrates, water preparations, etc. [0003] Methomyl soluble powder was first registered in China by DuPont Company of the United States. The common name is 90% Wanling soluble powder. It is safe and convenient to transport and use, and soon became one of the main varieties of pesticide application. [0004] The original drug of methomyl produced by the domestic pesticide factory is a white crystal, which can only be used after being processed into a soluble powder. The melting point o...
Claims
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IPC IPC(8): A01N25/14A01N47/24A01P7/04
Inventor 尹霖高洪建陈军彭立宏王小宝汪皆辉汪影
Owner 海利贵溪新材料科技有限公司