Bispyribac-sodium salt suspending agent and preparation method thereof
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A technology of bispyribac sodium and suspending agent, applied in the field of bispyribac sodium salt suspending agent and its preparation, can solve the problems such as crystal growth of suspending agent, achieve high suspension rate, good dispersibility and fluidity, and convenient use Effect
Active Publication Date: 2010-06-23
江苏省农用激素工程技术研究中心有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the above problems, to provide a bispyribac-femur sodium salt suspending agent and i
Method used
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Embodiment 1
[0016] The total weight of each component of the present embodiment is 10kg, and the weight percent of each component is:
[0027] ①First mix sodium carboxymethyl cellulose and polyformaldehyde with half of the water to form a liquid mixture of sodium carboxymethyl cellulose and polyformaldehyde.
[0028] ② After mixing the rest of the raw materials with the other half of the water, use a sand mill to carry out multiple cycles of wet crushing until the fineness of the par...
Embodiment 2～ Embodiment 5
[0031] Each embodiment is basically the same as Embodiment 1, and the differences are shown in Table 1.
[0032] Table 1
[0033]
[0034]
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Abstract
The invention discloses a bispyribac-sodium salt suspending agent comprising the following components by weight percent: 10-40 percent of bispyribac-sodium salt original medicine, 0.5-5 percent of wetting agent, 1-10 percent of dispersing agent, 0.1-5 percent of thickening agent, 0.1-2 percent of antifoaming agent, 1-10 percent of anti-freezing agent, 0.1-1 percent of preservative, 1-10 percent of stabilizing agent and the balance of water. The dispersing agent is one or two of triphenylethyl phenol polyoxyethylene ether phosphate benzilate, styrene-acrylic acid copolymer, triphenylethylene phenol polyoxyethylene ether and triphenylethylene phenol polyoxyethylene propene ether, and the wetting agent is fatty alcohol-polyoxyethylene ether and/or alkylphenol polyoxyethylene succinate sulfonate. The suspending agent has good dispersity and liquidity as well as high suspensibility, can be directly sprayed or sprayed after being mixed with water by any proportion, is convenient to use and has no pollution to the environment.
Description
technical field [0001] The invention relates to a pesticide preparation and a preparation method thereof, in particular to a bispyribac sodium salt suspension concentrate and a preparation method thereof. Background technique [0002] Pesticide suspension concentrate is a pesticide dosage form prepared by wet ultrafine pulverization of water-insoluble solid drug, pesticide adjuvant and water. Its advantage is that it can be uniformly mixed and dispersed with water in any proportion, not affected by water quality and water temperature, easy to use, not easy to pollute the environment, and can be sprayed directly or after dilution. It is currently recognized as an environmentally friendly dosage form. [0003] Bispyribac sodium salt (2,6-bis(4,6-dimethoxypyrimidinyl-2-oxy)sodium benzoate) is a highly active ALS (acetolactate synthase) inhibitor. It can effectively control barnyardgrass and other gramineous weeds in rice fields, and also control most broad-leaved weeds, some s...
Claims
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