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Effervescent preparation containing pentoxazone, ethoxysulfuron and mefenacet

A technology of cyclopentazone and mefenamide, which is applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve the problem of poor fineness and suspension rate of wettable powders and easy pollution of farmland environment , fewer compound preparations, etc., to improve the efficiency of weeding and pesticide application, save costs, and reduce the cost of medication

Inactive Publication Date: 2018-09-04
山东耘歌生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the commonly used pesticide formulations mainly include wet powder, emulsifiable concentrate, and water formulation. Among them, the fineness and suspension rate of wettable powder are relatively poor, and there are few compound preparations. As a result, many areas need to control grass weeds and broadleaf separately. Weeds are labor-intensive and costly; moreover, this outdated dosage form not only has low drug efficacy, but also easily pollutes the farmland environment, and emulsifiable concentrates and water preparations will inevitably increase the difficulty in transportation and storage because they are liquids.

Method used

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  • Effervescent preparation containing pentoxazone, ethoxysulfuron and mefenacet
  • Effervescent preparation containing pentoxazone, ethoxysulfuron and mefenacet
  • Effervescent preparation containing pentoxazone, ethoxysulfuron and mefenacet

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The evaluation of embodiment 1 mixing effect

[0034] The mixed effect of the ternary composition of the present invention is evaluated with reference to the Colby method, which is a joint action determination method for herbicide mixing.

[0035] The calculation formula is:

[0036] Let E 0 It is the theoretical control effect after single agent A, B and C are mixed;

[0037]

[0038] A, B, and C are the measured control effects of herbicides A, B, and C at a certain dose, respectively;

[0039] Let E be the measured control effect, and the calculation formula is:

[0040]

[0041] If E is significantly smaller than E 0 , it is a synergistic effect; E and E 0 close, it is an additive effect; E is significantly greater than E 0 , it is antagonistic.

[0042] The inventor has carried out a large number of control effect tests on different proportions of oxadiazone, ethoxysulfuron-methyl and mefenacet through a large number of screening tests, and found that ...

Embodiment 2

[0048]An effervescent preparation containing pentoxadiazone, ethoxysulfuron-methyl and fenthiazide comprises the following raw materials in parts by weight: 1 part of pentoxadiazone, 0.5 part of ethoxysulfuron-methyl, fenthiazide 10 parts of grass amine, 0.5 parts of isophorone diisocyanate (IPDI), 0.5 parts of ethylenediamine, 0.5 parts of defoamer, 25 parts of effervescent agent, 3 parts of adhesive, 1 part of wetting agent, the first dispersion 5 parts of agent, 5 parts of second dispersant, 10 parts of 150# solvent naphtha, 10 parts of emulsifier;

[0049] Described defoamer is the mixture of polydimethylsiloxane and lauryl phenylacetate, and the mass ratio of described polydimethylsiloxane and lauryl phenylacetate is 6:1;

[0050] Described binding agent is the mixture of substance A and ethanol, and the mass ratio of described substance A and ethanol is 1:3, and described substance A is carboxymethyl cellulose;

[0051] The effervescent agent includes an acid component ...

Embodiment 3

[0070] An effervescent preparation containing clomazone, ethoxysulfuron-methyl and fenthiazide comprises the following raw materials in parts by weight: 5 parts of pentoxadiazone, 3 parts of ethoxysulfuron-methyl, fenthiazide 70 parts of grass amine, 10 parts of isophorone diisocyanate (IPDI), 2 parts of ethylenediamine, 1 part of defoamer, 30 parts of effervescent agent, 8 parts of adhesive, 6 parts of wetting agent, the first dispersion 10 parts of agent, 10 parts of second dispersant, 50 parts of 150# solvent naphtha, 20 parts of emulsifier;

[0071] Described defoamer is the mixture of polydimethylsiloxane, phenylethyl alcohol oleate and lauryl phenylacetate, the mixture of described polydimethylsiloxane, phenylethyl alcohol oleate and lauryl phenylacetate The mass ratio is 3:3:1;

[0072] The binder is a mixture of substance A and ethanol, the mass ratio of the substance A to ethanol is 1:3, the substance A is a mixture of polyvinyl alcohol and polyethylene glycol, and t...

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Abstract

The invention belongs to the field of pesticide preparation and specifically relates to an effervescent preparation containing pentoxazone, ethoxysulfuron and mefenacet. The effervescent preparation comprises the following active ingredients in percentage by weight: 1-5% of pentoxazone, 0.5-3% of ethoxysulfuron and 10-70% of mefenacet.

Description

technical field [0001] The application belongs to the field of pesticide preparation, in particular to an effervescent preparation containing cyclopentazone, ethoxysulfuron-methyl and mefenacet. technical background [0002] At present, the commonly used pesticide formulations mainly include wet powder, emulsifiable concentrate, and water formulation. Among them, the fineness and suspension rate of wettable powder are relatively poor, and there are few compound preparations. As a result, many areas need to control grass weeds and broadleaf separately. Weeds are labor-intensive and costly; moreover, this outdated dosage form not only has low drug efficacy, but also easily pollutes the farmland environment, and emulsifiable concentrates and water preparations will inevitably increase the difficulty in transportation and storage because they are liquids. [0003] Pesticide effervescent agent is a new solid dosage form that has developed rapidly in recent years. Pesticide efferv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/76A01N43/78A01N25/34A01P13/00
CPCA01N25/34A01N43/76A01N43/78A01N47/36
Inventor 王铭李宏元赵守明张彩王慧君苏跃
Owner 山东耘歌生物科技有限公司
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