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A new water-based prochloraz formulation zw and its processing and application

A technology of prochloraz and a new formulation, applied in the field of pesticide production and processing, can solve the problems of low content of active ingredients, adverse environmental impact, poor lasting effect, etc. Effect

Active Publication Date: 2015-09-09
NANJING REDSUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Various dosage forms have deficiencies in practical application, such as: emulsifiable concentrate, which uses a large amount of organic solvents, which is harmful to the environment; microemulsion, which not only uses polar solvents, but also uses a large amount of surfactants, which is harmful to the environment Potential adverse effects; water emulsion, affected by its physical and chemical properties, has low content of active ingredients and poor persistence

Method used

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  • A new water-based prochloraz formulation zw and its processing and application
  • A new water-based prochloraz formulation zw and its processing and application
  • A new water-based prochloraz formulation zw and its processing and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The processing method of the new prochloraz formulation ZW in this example is as follows: first, 10% prochloraz CS is processed by the interfacial polymerization method, and 20% prochloraz EW is processed by the conventional method, and the two are uniformly mixed according to the mass ratio of 4:6 to obtain 16 % Prochloraz ZW.

[0044] Table 1: Mixture of prochloraz microcapsule suspension processed by interfacial polymerization and aqueous emulsion processed by conventional method

[0045]

[0046] The prepared 16% prochloraz new dosage form ZW can reach the following technical indicators: suspension rate ≥ 93%; emulsion stability is qualified; cyst formation rate ≥ 91%; automatic dispersibility ≥ 90%; pH value is qualified; The indicators are qualified; the indicators of thermal storage are qualified; the indicators of freeze-thaw stability are qualified.

Embodiment 2

[0048] The processing method of the new prochloraz formulation ZW in this example is as follows: first, 20% prochloraz CS is processed by the interfacial polymerization method, and 20% prochloraz EW is processed by the conventional method, and the two are uniformly mixed according to the mass ratio of 2:8 to obtain 20% prochloraz % Prochloraz ZW.

[0049] Table 2: Mixture of prochloraz microcapsule suspension processed by interfacial polymerization and aqueous emulsion processed by conventional method

[0050]

[0051]

[0052] The prepared 20% prochloraz new formulation ZW can meet the following technical indicators: suspension rate ≥ 94%; emulsion stability qualified; cyst formation rate ≥ 90%; automatic dispersibility ≥ 91%; pH value qualified; The indicators are qualified; the indicators of thermal storage are qualified; the indicators of freeze-thaw stability are qualified.

Embodiment 3

[0054] The processing method of the new prochloraz formulation ZW in this example is as follows: firstly, the prochloraz CS is processed by the interfacial polymerization method, and the prochloraz oil phase (including prochloraz, toluene, and emulsifier) ​​is added after the CS is formed into capsules and solidified. See the table below, stir thoroughly to obtain 35% prochloraz ZW.

[0055] Table 3: 35% prochloraz ZW formulation

[0056]

[0057]

[0058] The prepared 35% prochloraz new dosage form can meet the following technical indicators: suspension rate ≥ 94%; emulsion stability qualified; cyst formation rate ≥ 90%; automatic dispersibility ≥ 91%; pH value qualified; The indicators are qualified; the indicators of heat storage are qualified; the indicators of freeze-thaw stability are qualified.

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Abstract

The invention discloses a new preparation formulation containing prochloraz, and a processing method and application thereof, belonging to the technical field of pesticide production and processing. The new preparation formulation ZW containing prochloraz is a microcapsule suspending agent-water emulsion formed by mixing a prochloraz microcapsule suspending agent and a prochloraz water emulsion and comprises the following components in percentage by mass: 1-60% of prochloraz, 1-25% of solvent, 1-20% of encapsulating agent, 1-10% of surfactant, 0.5-10% of antifreezing agent, 0.01-3% of thickener, 0-5% of pH regulator, 0.01-1% of defoaming agent, 0.01-1% of preservative and the balance of water. The invention also provides application of the new preparation formulation containing prochloraz in the field of agricultural fungus disease control. The preparation lowers the consumption of organic solvent, reduces the harm to the environment, has favorable fast-acting property and long-acting property, and is stable in performance and convenient to use.

Description

technical field [0001] The invention belongs to the technical field of pesticide production and processing, in particular relates to a new dosage form ZW containing prochloraz and its processing and application, in particular to a prochloraz prochloraz microcapsule suspending agent mixed with prochloraz water emulsion Amine microcapsule suspension-water emulsion and its processing and application. Background technique [0002] Prochloraz, chemical name: N-propyl-N-[2-(2,4,6-trichlorophenoxy)ethyl]-imidazole-1-carboxamide, molecular formula: C 15 h 16 Cl 3 N 3 o 2 , the chemical structural formula is as follows: [0003] [0004] Prochloraz was originally an imidazole fungicide developed by the current German Bayer company. It inhibits the biosynthesis of ergosterol and has protective and eradicating effects. There are many diseases on the stems, leaves and ears of cereal crops, and it is also widely used in the fields of fruit preservation and other fields. [0005...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/04A01N47/38A01P3/00
Inventor 郭崇友黄娟王宏杰陈波甘华军
Owner NANJING REDSUN
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