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Emamectin benzoate suspending agent and preparation method thereof

A technology of emamectin and benzoate, which is applied in the field of emamectin benzoate suspension and its preparation, can solve environmental pollution, increase the cost of preparation raw materials, and the cost of packaging materials and transportation cost and other issues, to achieve the effects of reducing pollution, reducing solvent costs, and low cost of dosage forms

Active Publication Date: 2010-08-04
广州京正生物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] But emamectin benzoate preparation is still based on emulsifiable concentrate at present, and about 80% (weight ratio) is harmful organic solvents such as toluene, xylene, methyl alcohol etc. in the preparation
The solvents used in emulsifiable concentrate preparations not only increase the cost of preparation raw materials, packaging materials and transportation costs, but also pollute the environment, so the development of new environmentally friendly preparations is an inevitable trend to replace emulsifiable concentrate preparations

Method used

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  • Emamectin benzoate suspending agent and preparation method thereof
  • Emamectin benzoate suspending agent and preparation method thereof
  • Emamectin benzoate suspending agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: emamectin benzoate 0.5% suspension concentrate

[0019] Emamectin 0.5%

[0020] Polycarboxylate 5%

[0021] Glycerin 5%

[0022] Polyether defoamer 3%

[0023] Bentonite 0.4%

[0024] Sodium Benzoate 0.5%

[0025] TBHQ 3%

[0026] Water 82.6%

[0027] The raw medicine of emamectin benzoate, wetting and dispersing agent, antifreeze agent, stabilizer, defoaming agent and water according to the above proportions are fed into mother liquor through high-speed dispersant, and ground to a particle size of 3-5nm by a sand mill. The thickener and preservative are fed in proportion to prepare thickener mother liquor. Then mix and stir the ground mother liquor and the thickener mother liquor to prepare a suspending agent, and then test and analyze the product.

[0028] The product has the following physical and chemical properties after analysis, as shown in Table 1:

[0029] Table 1

[0030]

[0031] The emamectin emamectin salt suspension product devel...

Embodiment 2

[0032] Embodiment 2: emamectin benzoate 1% suspension concentrate

[0033] Emamectin 1%

[0034] Naphthalene sulfonate series 6%

[0035] Calcium dodecylbenzenesulfonate 1%

[0036] Propylene Glycol 8%

[0037] C8-C10 fatty alcohol 2%

[0038] Gum Arabic 0.5%

[0039] Sodium Benzoate 0.4%

[0040] BHA 2%

[0041] Water 79.1%

[0042] The raw medicine of emamectin benzoate, wetting and dispersing agent, antifreeze agent, stabilizer, defoaming agent and water according to the above proportions are fed into mother liquor through high-speed dispersant, and ground to a particle size of 3-5nm by a sand mill. The thickener and preservative are fed in proportion to prepare thickener mother liquor. Then mix and stir the ground mother liquor and the thickener mother liquor to prepare a suspending agent, and then test and analyze the product.

[0043] The product has the following physical and chemical properties after analysis, as shown in Table 2:

[0044] Table 2

[0045] ...

Embodiment 3

[0047] Embodiment 3: emamectin benzoate 3% suspension concentrate

[0048] Emamectin 3%

[0049] Sodium lignosulfonate 8%

[0050] Calcium dodecylbenzenesulfonate 1%

[0051] Urea 3%

[0052] Silicone 1%

[0053] Xanthan Gum 0.5%

[0054] Paraformaldehyde 0.6%

[0055] BHT 3%

[0056] Water 79.9%

[0057] The raw medicine of emamectin benzoate, wetting and dispersing agent, antifreeze agent, stabilizer, defoaming agent and water according to the above proportions are fed into mother liquor through high-speed dispersant, and ground to a particle size of 3-5nm by a sand mill. The thickener and preservative are fed in proportion to prepare thickener mother liquor. Then mix and stir the ground mother liquor and the thickener mother liquor to prepare a suspending agent, and then test and analyze the product.

[0058] The product has the following physical and chemical properties after analysis, as shown in Table 3:

[0059] table 3

[0060]

[0061]

[0062] The em...

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PUM

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Abstract

The invention discloses an emamectin benzoate suspending agent and a preparation method thereof. The emamectin benzoate suspending agent comprises the following components by weight percent: 0.2-5 percent of emamectin benzoate, 1-10 percent of wetting dispersant, 2-10 percent of antifreeze agent, 1-6 percent of stabilizing agent, 1-5 percent of defoamer, 0.1-1 percent of thickening agent, 0.1-1 percent of preservative and the balance of water. In the emamectin benzoate suspending agent, an anion active agent is added, thereby the problems of grinding and livering of the emamectin benzoate are solved. Organic solvent harmful to the human and the environment is not adopted in the invention, thereby reducing pollution of the organic solvent to the environment; besides, the adopted dosage form has lower cost, thereby effectively reducing the solvent cost, the package cost and the transportation expense.

Description

technical field [0001] The invention relates to a emamectin benzoate suspension and a preparation method thereof. Background technique [0002] Emamectin benzoate (abamectin emamectin for short), trade name procloim (banleptm). It is a super efficient green insecticide. Emamectin benzoate is chemically synthesized from abamectin. Abamectin series products are widely used in the fields of medicine, pesticide and veterinary medicine. It is known as another drug revolution after penicillin . Starting from avermectin B1a, the activity of emamectin benzoate synthesized by chemical modification is 10-1000 times higher than that of the parent avermectin, and has ultra-high efficiency, broad spectrum, near non-toxicity, no residue, and no production. The characteristics of drug resistance are considered by the industry to replace other pesticides and become the leading product of pesticides in the 21st century. Emamectin benzoate insecticide has been widely used in the control o...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N43/90A01P7/04
Inventor 毛明杰刘志
Owner 广州京正生物科技有限公司
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