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Herbicidal quizalofop-p-ethyl missible oil containing synergistic vegetable oil and preparation method of herbicidal quizalofop-p-ethyl missible oil

A technology of quizalofop-p-ethyl emulsifiable concentrate and quizalofop-p-p, which is applied in the fields of botany equipment and methods, plant growth regulators, herbicides and algicides, etc., and can solve the restrictions on the use of aromatic solvents, loss of regeneration ability, solvent Cost increase and other issues, to achieve the effect of prolonging drying time, reducing pollution, and low decomposition rate

Inactive Publication Date: 2018-01-26
南京扬子鸿利源化学品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Quizalofop-p-ethyl is an arylphenoxypropionic acid selective, systemic conduction type, low-toxic herbicide for stem and leaf treatment; it is a selective post-emergence herbicide, which is absorbed and conducted by leaves, accumulates at the top, and divides between nodes. The living tissue is destroyed, loses regeneration ability, stops growing and withers; quizalofop-p-ethyl is mainly processed into emulsifiable concentrate for use, and emulsifiable concentrate is one of the basic dosage forms of pesticides. Compared with other dosage forms, its composition and processing technology are simple, and the storage stability of the preparation is Good, easy to use, and good control effect; but traditional emulsifiable concentrate contains a large amount of low flash point and volatile petroleum aromatic hydrocarbon organic solvents, so there are strict requirements on production, storage, transportation, and use, and it is easy to pollute the environment after use; in recent years , with people's attention to food and environmental safety, the side effects of organic solvents in pesticide products have been highly valued, especially the high content of organic solvents in highly active pesticide emulsifiable concentrates, and the increase in solvent costs due to rising oil prices in recent years issues such as the
[0003] Due to the pressure of environmental protection, resources and cost, the use of traditional aromatic solvents is gradually restricted; the development of easily degradable and renewable non-petroleum solvents is a way to solve the above problems, and its solubility for various original drugs , cost, safety to crops, etc. are all important limiting factors affecting the promotion and application of such solvents

Method used

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  • Herbicidal quizalofop-p-ethyl missible oil containing synergistic vegetable oil and preparation method of herbicidal quizalofop-p-ethyl missible oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A herbicide quizalofop-p-ethyl emulsifiable concentrate containing synergistic vegetable oil, comprising the following raw materials in parts by weight:

[0023] Quizalofop-ethyl, 20%;

[0024] Methyl oleate, 50%;

[0025] Black tea tincture, 3%;

[0026] Emulsifier, 7%;

[0027] Xylene, 20%.

[0028] Wherein, the mass proportion of described emulsifier is:

[0029] Polyoxyethylene lauryl ether, 20%

[0030] Alkylaryl Ethoxylates, 45%

[0031] Calcium dodecylbenzenesulfonate, 35%

[0032] The preparation method of the above-mentioned herbicide quizalofop-p-ethyl emulsifiable concentrate containing synergistic vegetable oil comprises the following steps, dissolving quizalofop-pyl-ethyl in the mixture of said synergistic vegetable oil, synergistic adjuvant and cosolvent, adding an emulsifier, stirring Evenly, the appearance of clear and translucent quizalofop-p-ethyl emulsifiable concentrate can be obtained.

Embodiment 2

[0034] With embodiment 1, only modify following components:

[0035] Quizalofop-ethyl, 1%;

[0036] Isooctyl oleate, 20%;

[0037] Black tea tincture, 1%;

[0038] Emulsifier, 28%;

[0039] DMF, 50%.

[0040] Wherein, the mass proportion of described emulsifier is:

[0041] Sodium dodecylbenzenesulfonate, 50%

[0042] PO-EO block polyether, 50%

Embodiment 3

[0044] With embodiment 1, only modify following components:

[0045] Quizalofop-ethyl, 10%;

[0046] palm oil, 5%;

[0047] Black tea tincture, 3%;

[0048] Emulsifier, 35%;

[0049] Cosolvent, 47%.

[0050] Wherein, the mass proportion of described emulsifier is:

[0051] Alkylphenol polyoxyethylene ether formaldehyde condensate, 33%

[0052] Tween-80, 47%

[0053] Sodium dodecylbenzenesulfonate, 20%

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Abstract

The invention belongs to the field of agricultural preparations and in particular relates to herbicidal quizalofop-p-ethyl missible oil containing synergistic vegetable oil and a preparation method ofthe herbicidal quizalofop-p-ethyl missible oil. The herbicidal quizalofop-p-ethyl missible oil containing synergistic vegetable oil comprises the following raw materials in percentage by weight: 1-20% of quizalofop-p-ethyl, 5-50% of synergistic vegetable oil, 1-3% of synergistic aids, 7-35% of an emulsifier and 20-50% of a cosolvent. The vegetable oil serves as a pesticide solvent and is safe toproduce and store. The herbicidal quizalofop-p-ethyl missible oil is small in irritation to producers and users and low in decomposition rate and does not have any adverse influence on growth and development of soybean and rape seedlings, the liquor drying time is obviously prolonged, and the deposit quantity of the agent is improved. The content of aromatic organic solvents in the conventional missible oil is 65-80%, while the content of the solvents in the missible oil disclosed by the invention is decreased to 20-50%; and therefore, the pollution of the organic solvents to the environment is reduced. Moreover, the herbicidal quizalofop-p-ethyl missible oil containing the synergistic vegetable oil disclosed by the invention is simple in preparation method, mild in conditions, green and environment-friendly.

Description

technical field [0001] The invention belongs to the field of agricultural preparations, in particular to a herbicide quizalofop-pyl concentrate containing synergistic vegetable oil and a preparation method thereof. Background technique [0002] Quizalofop-p-ethyl is an arylphenoxypropionic acid selective, systemic conduction type, low-toxic herbicide for stem and leaf treatment; it is a selective post-emergence herbicide, which is absorbed and conducted by leaves, accumulates at the top, and divides between nodes. The living tissue is destroyed, loses regeneration ability, stops growing and withers; quizalofop-p-ethyl is mainly processed into emulsifiable concentrate for use, and emulsifiable concentrate is one of the basic dosage forms of pesticides. Compared with other dosage forms, its composition and processing technology are simple, and the storage stability of the preparation is Good, easy to use, and good control effect; but traditional emulsifiable concentrate contai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/60A01N25/04A01N25/02A01P13/00
Inventor 王先彬吴进
Owner 南京扬子鸿利源化学品有限责任公司
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