A kind of diquat suspending agent and preparation method thereof
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A technology for dichlor and suspending agent, applied in the field of herbicide dichlor suspending agent and preparation thereof, can solve the problem of not finding a dichlor dosage form and the like, and achieve the effects of remarkable medicinal effect, large specific gravity and low cost
Inactive Publication Date: 2011-12-07
JIANGSU WEUNITE FINE CHEM CO LTD
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[0007] Currently no formulations of Diquat are found on the market
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Embodiment 1
[0023] A kind of diquat suspending agent and preparation method thereof, it prepares 4 kilograms of diquathol former medicines earlier, 0.1 kilogram of xanthan gum, 0.2 kilogram of ethylene glycol, 0.1 kilogram of pentylene glycol, 0.1 kilogram of sodium benzoate, 5.5 kilograms of water as raw material. Pour the original drug of diquat, pentylene glycol, and water into the stirring tank, stir fully, then transfer to the sand mill, cut, sand, and finally add xanthan gum, ethylene glycol, sodium benzoate, fully After stirring, a uniform diquat suspension can be obtained.
Embodiment 2
[0025] A kind of Diquat Suspended Concentrate and preparation method thereof, it first prepares 7 kilograms of diquathol technical substance, 0.1 kilogram of xanthan gum, 0.2 kilogram of propylene glycol, calcium dodecylbenzenesulfonate and tristyryl polyoxyethylene ether 0.2 kg of mixture, 0.2 kg of potassium sorbate, and 2.3 kg of water are used as raw materials. Pour the original drug of Diquat, calcium dodecylbenzenesulfonate, tristyryl polyoxyethylene ether, and water into a stirring tank, stir well, then transfer to a sand mill, shear, sand grind, and finally Add xanthan gum, propylene glycol, and potassium sorbate, and stir well to obtain a uniform diquat suspension.
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Abstract
A diquat suspension and a preparation method thereof, characterized in that it contains 1-95% of diquat, 1-5% of a thickener, 1-2% of an antifreeze, 1-10% of an emulsifier, and antiseptic Agent 1-2%, water 1-80%. First, pour water, emulsifier, and diquat into a stirring tank according to a certain percentage by weight, stir well, then transfer to a sand mill, cut, sand, and finally add thickener, antifreeze, anti-corrosion After fully stirring, a uniform diquat suspension can be obtained. The diquat suspension of the present invention can be used for pre-emergence treatment, and can also be used for spraying stems and leaves. Suitable for crops such as corn, soybeans, beans, cucumbers, onions, peppers, strawberries, lettuce, eggplant, turnips, and also for lawn and ornamental plants. It is mainly used to control annual grass weeds and some broad-leaved weeds, such as foxtail, crabgrass, brocade, purslane, chickweed, dodder and so on.
Description
technical field [0001] The invention relates to a pesticide suspension, in particular to a herbicide diquat suspension and a preparation method thereof. Background technique [0002] The chemical name of the compound diquat is 2,3,5,6-dimethyl tetrachloroterephthalate. [0003] Its structural formula is: [0004] [0005] Diquat is abbreviated as DCPA, and the common name is Chlorthal-dimethyl; the trade name is methyl chlorophthalate, Dacthal or Fatal, etc.; the English name is Dimethyl 2, 3, 5, 6-tetrachloro-l, 4-phthalate; the chemical name is Dimethyl 2,3,5,6-tetrachloroterephthalate; CAs: 1861-32-l; pure product is colorless crystal, melting point is 154-156°C, insoluble in water, soluble in acetone, benzene, Organic solvents such as toluene and xylene. Pure products and preparations are stable and non-corrosive. [0006] Diquat is a benzoic acid herbicide with systemic conduction properties. It can be used not only for pre-emergence treatment, but also for stem ...
Claims
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