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Acarid nitrile water dispersion granula and method for producing the same

A technology of chlorfenapyr and dispersible granules, which is applied in botany equipment and methods, biocides, animal repellents, etc., can solve the problems of unstable dosage forms and no water-dispersible granules, and achieve simple and effective use methods. The effect of generalization and good adsorption capacity

Inactive Publication Date: 2008-06-11
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Although there have been reports on suspensions and microemulsions of chlorfenapyr at present, the dosage form of water-dispersible granules has not been seen, and the existing dosage forms have the disadvantage of instability

Method used

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  • Acarid nitrile water dispersion granula and method for producing the same
  • Acarid nitrile water dispersion granula and method for producing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Weigh the following components by weight:

[0055] Chlorfenapyr 200g Sodium Alkyl Naphthalene Sulfonate 20g

[0056] Sodium Lignosulfonate 30g Starch 3g

[0057] Methylcellulose 7g Bentonite 60g

[0058] Urea 20g Disodium Hydrogen Phosphate 80g

[0059] Diatomaceous earth 10g Pottery clay 230g

[0060] Mica 340g

[0061] The components of the above weight are made into chlorfenapyr water-dispersible granules according to the following steps:

[0062] (1) In addition to starch and methylcellulose, after the above-mentioned components are mixed uniformly, ultrafine pulverization is carried out with a jet mill to obtain 600 fine powder;

[0063] (2) Add the fine powder of step (1), starch and methylcellulose into a mixer and mix evenly, granulate through a swing granulator, and dry at a low temperature of 60°C to obtain chlorfenapyr water-dispersible granules. Example 2:

Embodiment 2

[0064] Weigh the following components by weight:

[0065] Chlorfenapyr 300g; Chaku 20g;

[0066] Penetrant JFC 10g; Polyacrylic acid 7g;

[0067] NNO 13g; Gum Arabic 40g;

[0068] Rosin 60g; Ammonium sulfate 60g;

[0069] Succinic acid 100g; Pagoda clay 15g;

[0070]Clay 200g; Urea 75g.

[0071] The components of the above weight are made into chlorfenapyr water-dispersible granules according to the following steps:

[0072] (1) Except for gum arabic and rosin, after the above-mentioned components are mixed uniformly, carry out superfine pulverization with a jet mill to obtain 700 fine powder;

[0073] (2) Add the fine powder of step (1) and the above-mentioned gum arabic and rosin into a mixer and mix evenly, granulate through a swing granulator, and dry at a low temperature of 80°C to obtain chlorfenapyr water-dispersible granules.

Embodiment 3

[0075] Weigh the following components by weight:

[0076] chlorfenapyr 500g; saponin 10g;

[0077] Sodium dodecylbenzenesulfonate 30g; MF 20g;

[0078] Carboxymethyl cellulose 20g; Polyvinyl alcohol 60g;

[0079] Adipic acid 60g; White carbon black 6g;

[0080] Bentonite 6g;

[0081] Calcium Carbonate Light 288g.

[0082] The above components are made into chlorfenapyr water-dispersible granules according to the following steps:

[0083] (1) In addition to polyvinyl alcohol, after the above-mentioned components are mixed uniformly, carry out ultrafine pulverization with a jet mill to obtain 800 fine powder;

[0084] (2) Add the fine powder of step (1) and polyvinyl alcohol into a mixer and mix evenly, granulate through a swing granulator, and dry at a low temperature of 60°C to obtain chlorfenapyr water-dispersible granules. After sieving, the chlorfenapyr water-dispersible granule product can be obtained.

[0085] What this example prepares is the water-dispersible gra...

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Abstract

The invention provides a chlorfenapyr water dispersed granule agent, which comprises chlorfenapyr, filling material, particulate agent, wetting agent, disintegrating agent, stabilizing agent and binding agent or adsorbent. The chlorfenapyr water dispersed granule agent of the invention has little environmental pollution and excellent stability, and can keep the medicine effect of chlorfenapyr and simultaneously improve preventing and curing effects of diseases and insect pests of chlorfenapyr.

Description

technical field [0001] The invention relates to a pesticide dosage form, in particular to a water-dispersible granule of chlorfenapyr. Background technique [0002] Crops will cause huge yield losses due to diseases, insect pests, weed damage, rodent damage, etc., so a large amount of pesticides must be applied every year to recover crop losses. [0003] However, the extensive use of pesticides has caused environmental pollution, and due to the increasing requirements of human beings on environmental ecological safety, the formulations of pesticides have been developed in the direction of environmental friendliness and high efficiency. [0004] As a new dosage form, water-dispersible granules have the following advantages and advantages: no dust, no problems caused by organic solvents, etc. After extensive promotion and use in Europe and the United States, it has fully demonstrated its unique charm and has become one of the main research dosage forms of various companies. ...

Claims

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Application Information

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IPC IPC(8): A01N43/36A01N25/14A01N25/30
Inventor 张少武
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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