Pirimicarb microemulsion and preparation process thereof

A technology of microemulsion and pirimicarb, which is applied in botany equipment and methods, biocides, animal repellants, etc., can solve the problems of no microemulsion formulations, etc., and achieve short-lasting effect and good quick-acting effect Effect

Inactive Publication Date: 2004-06-09
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is no report of microemulsion formulation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Formulation Example 1: 5% Microemulsion

[0020] Pirimicarb 5%

[0021] Xylene 12%

[0022] Ethanol 10%

[0023] OP-10 10%

[0024] 2201 8%

[0025] water to 100%

[0026] Pirimicarb is completely dissolved in an organic solvent, then other ingredients are added, mixed evenly, and finally water is added, and a microemulsion can be prepared after fully stirring. It can be diluted with water into a clear and transparent liquid of any concentration.

[0027] Following the same procedure as Formulation Example 1, the following formulation examples were prepared.

Embodiment 2

[0028] Formulation Example 2: 10% Microemulsion

[0029] Pirimicarb 10%

[0030] Xylene 18%

[0031] Methanol 10%

[0032] OP-15 10%

[0033] 2201 8%

[0034] water to 100%

Embodiment 3

[0035] Formulation Example 3: 10% Microemulsion

[0036] Pirimicarb 10%

[0037] Cyclohexanone 20%

[0038] Ethanol 10%

[0039] OP-10 12%

[0040] 2201 10%

[0041] water to 100%

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PUM

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Abstract

The present invention relates to a microemulsion dosage using pirimicarb as active component and its preparation method. Its composition includes (wt%) 5%-20% of primicarb, 10%-20% of surfactant, 10%-30% of organic solvent, 5%-15% of cosolvent, and the rest is water.

Description

technical field [0001] The invention relates to a pirimicarb microemulsion dosage form and a preparation method thereof. Background technique [0002] Pirimicarb is a carbamate insecticide, developed by the British Imperial Chemical Company in 1965, and promoted as a special aphidicide in 1969. It is a selective systemic aphidicide with high efficiency, moderate toxicity and low residue (except cotton aphid). It does not harm honeybees at the recommended concentration, and it also has certain efficacy against Diptera pests. It can be used to control aphids on fruit trees, cereals, berries, beans, cabbage, rape, lettuce, sugar beets, potatoes, flowers and some ornamental plants. It has good quick effect and short lasting effect. It has no adverse effects on natural enemies of aphids such as ladybugs, hoverflies and wasps. [0003] The dosage forms of pirimicarb include wettable powder, fuming agent, emulsifiable concentrate, emulsion in water, aerosol, dispersible particle ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/10
Inventor 陈福良王仪郑斐能
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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