CN101554158B - Emamectin-benzoate and methomyl microemulsion and preparation method thereof - Google Patents

Emamectin-benzoate and methomyl microemulsion and preparation method thereof Download PDF

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Publication number
CN101554158B
CN101554158B CN200810103827XA CN200810103827A CN101554158B CN 101554158 B CN101554158 B CN 101554158B CN 200810103827X A CN200810103827X A CN 200810103827XA CN 200810103827 A CN200810103827 A CN 200810103827A CN 101554158 B CN101554158 B CN 101554158B
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Prior art keywords
methomyl
microemulsion
percent
farming breast
microemulsion according
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CN200810103827XA
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Chinese (zh)
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CN101554158A (en
Inventor
李鹏
徐踪跃
徐万涛
吴俊玲
周晨光
吴家全
王成
陈义明
李凤明
齐正红
王丹玉
马学成
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Hebei Green Agricultural Crops Science and Technology Co., Ltd.
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BEIJING AGROSINO IMPORT AND EXPORT Co Ltd
BEIJING GREEN AGROSINO Corp
Jixi Agrosino Biotech Co Ltd
Beijing Dashifeng Biotechnology Co Ltd
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Priority to CN200810103827XA priority Critical patent/CN101554158B/en
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Abstract

The invention discloses an emamectin-benzoate and methomyl microemulsion and a preparation method thereof. The microemulsion mainly comprises 5-30 percent of methomyl, 0.5-2 percent of emamectin-benzoate, 0.5-2 percent of penetrating agent, 0.5-5 percent of synergistic agent, 1-5 percent of antifreeze, 5-25 percent of latent solvent, 5-25 percent of emulsifier and the balance water for complement.The microemulsion is a pesticide with high efficiency, low toxicity and strong systemic capability, has very good prevention effect on diamond back moths on Cruciferae and additionally has special ef fect on other pests and insects with sucking mouth parts and scratching mouth parts.

Description

A kind of first dimension salt Methomyl microemulsion and preparation method thereof
Technical field
The present invention relates to a kind of pesticidal preparations, relate in particular to a kind of first dimension salt Methomyl microemulsion and preparation method thereof.
Background technology
Emamectin-benzoate (being called for short first dimension salt) is a kind of super-high-efficient, environmental type insecticide, miticide, has wide spectrum, noresidue, the high characteristic of selecting.Be the product of AVM through chemosynthesis, compare with AVM that activity has improved 100～200 times, toxicity reduces the 2-3 order of magnitude, and former medicine is medium poison, and its formulation products is a low toxicity.It is biogenic class public nuisance-free agricultural chemicals.
The mechanism of action makes paralysis, food refusal, slow or motionless rapidly in the insect several hours through suppressing the intranueral reanal transmission of pest movements, and dead in 24-28 hour.
The mode of action is main action of contace poison with stomach toxicity, and crop is not had interior absorption ability, uses crop epidermal tissue but can effectively infiltrate; Thereby have the longer longevity of residure, to control cotton bollworm, diamond-back moth, Lepidoptera, mite class, coleoptera and homoptera pest have high activity; And do not produce and intersect with other crops, soil with in be prone to the noresidue of degrading, free from environmental pollution; In the routine dose scope to useful insect and natural enemy, people, animal safety, can with most of combined use of pesticides.
Methomyl (methom), high malicious broad spectrum activity carbamic acid acid pesticide.Acetylcholinesteraseinhibitors inhibitors, have tag, stomach poison function.Its insecticidal spectrum is wide, and effect is applicable to the insect on the various crop such as control fruit tree, vegetables, cotton, tobacco, lawn, like aphid, thrips, mythimna separata, codling moth, cotton bollworm, the snout moth's larva of rice, plant hopper etc. rapidly.Methomyl is degraded easily in environment, and is environmentally safe.
At present, be liquid formulation comparatively easily in the use of pesticidal preparations, use for a long time at most, the widest be missible oil.In the process of processing missible oil, need a large amount of organic solvents, like benzene,toluene,xylene etc.A large amount of uses of organic solvent not only cause the waste of industrial chemicals, simultaneously, return environment and human health and have brought very big threat.Therefore, exploitation reduces or reforms the new liquid formulation of these organic solvents, has become a kind of imperative trend, and wherein Water-borne modification is exactly one of dominant direction of formulations of pesticide development.And new pesticide processing method also can increase new characteristic to agricultural chemicals, more can give full play to the action characteristic of former medicine self; Overcome and remedy or cover the deficiency of the intrinsic formulation of former medicine; Improve physico chemistry and biological property, expanding application scope, the service life of prolongation medicament.
Microemulsion is a kind of new liquid formulation of developing this year, belongs to a kind of of aqueous emulsion, and it is medium with water; Act on water-fast effective active component by dispersion, emulsification etc.; Through homogenize technology, it is dispersed in the water, form the thermodynamic stable system of oil-in-water type.Disperse phase is liquid-drop diameter≤0.1um after homogenize, so appearance transparent, physics, chemical stability are good, and is strong to plant and insect tissue cell permeability, and absorption ratio is high, and preventive effect is good.Simultaneously, have production, storing and safe in utilization, environmental pollution is little, helps the improvement of ecotope.
Summary of the invention
The purpose of this invention is to provide a kind of first dimension salt Methomyl microemulsion and preparation method thereof.
Another object of the present invention provides a kind ofly has the better prevention effect to diamond-back moth, reduces the consumption of organic solvent, the first dimension salt of corresponding minimizing environmental pollution and the microemulsion of Methomyl Recompounded pesticide.
First dimension salt Methomyl microemulsion; Its each constituent and percentage by weight thereof are: first dimension salt 0.5-2%, Methomyl 5-30%, synergist 0.5-5%, antifreezing agent 1-5%, bleeding agent 0.5-2%, cosolvent 5-25% and emulsifier 5-25%, water surplus supplies 100%.
Described cosolvent can be one or more in cyclohexanone, methyl alcohol, ethanol, xylol, N-Methyl pyrrolidone, dimethyl formamide, the cyclohexane.
Described emulsifier is one or more among commercially available Nongru-700 #, agricultural newborn 400#, agricultural newborn 500#, farming breast 1601, farming breast 1602, farming breast 601, farming breast 602, farming breast 603, TX-10,0201,2201, the BY-140.
Described bleeding agent is one or more in sldium lauryl sulfate, sodium alkyl sulfonate, alkylbenzenesulfonate, lauryl alcohol sodium sulphate, Negel, sodium lignin sulfonate, APES, AEO, the azone.
Described synergist be in piperonyl butoxide, azone, the Octachlorodipropyl Ether one or more.
Said antifreezing agent is one or more in ethylene glycol, polyethylene glycol, urea and the glycerine.
The production method of microemulsion of the present invention; Comprise first is tieed up salt and Methomyl is dissolved in the cosolvent; Drop into emulsifier then, synergist and stabilizing agent stir; Put into then and give intense mixing and homogenize in the homogenizer that dispersion medium water is housed, obtaining outward appearance at last is limpid transparent first dimension salt Methomyl microemulsion.
The advantage that the present invention has:
1. the present invention has very strong synergy preventive and therapeutic effect to diamond-back moth, has enlarged the control spectrum in addition, can prevent and treat other insects on vegetables, fruit tree, the cotton.
2. storage-stable of the present invention is good;
3. the present invention is strong to adhesiveness and the permeability of plant;
4. the present invention has reduced consumption of organic solvent, and environmental pollution is few, and is safe in utilization;
5. production technology of the present invention is simple, and equipment is easy and simple to handle.
Embodiment:
Instance 1
0.5% first dimension salt and 15% Methomyl are dissolved in 10% methyl alcohol; Dropping into 5%700#, 6%1601,8%500#, 4% ethylene glycol, 0.5% AEO, 0.5% piperonyl butoxide then fully stirs; Add deionized water then and supply 100% and give intense mixing and homogenize, obtain 15.5% first dimension salt Methomyl microemulsion at last.
Instance 2
0.5% first dimension salt and 20% Methomyl are dissolved in 15% cyclohexanone; Drop into 6%1601#, 8%602,8%500#, 10%OP-10 then; 4% propane diols, 0.5% azone, 0.5% piperonyl butoxide fully stir; Add deionized water then and supply 100% and give intense mixing and homogenize, obtain 20.5% first dimension salt Methomyl microemulsion at last.
Instance 3
1% first dimension salt and 20% Methomyl are dissolved in 15% acetone; Drop into 6%1601#, 8%BY-140,8%400#, 10%OP-10 then; 4% propane diols, 0.5% azone, 0.5% piperonyl butoxide fully stir; Add deionized water then and supply 100% and give intense mixing and homogenize, obtain 21% first dimension salt Methomyl microemulsion at last.
Instance 4
1% first dimension salt and 25% Methomyl are dissolved in 17% methyl alcohol; Drop into 6%603#, 7%BY-140,8%500#, 5%OP-10 then; 4% ethylene glycol alcohol, 0.5% lauryl alcohol sodium sulphate, 0.5% piperonyl butoxide fully stir; Add deionized water then and supply 100% and give intense mixing and homogenize, obtain 26% first dimension salt Methomyl microemulsion at last.

Claims (7)

1. a first is tieed up salt Methomyl microemulsion; It is characterized in that by weight percentage: first dimension salt 0.5-2%, Methomyl 5-30%, synergist 0.5-5%, antifreezing agent 1-5%, bleeding agent 0.5-2%, cosolvent 5-25% and emulsifier 5-25%, water surplus is supplied composition.
2. microemulsion according to claim 1 is characterized in that described cosolvent can be one or more in cyclohexanone, methyl alcohol, ethanol, xylol, N-Methyl pyrrolidone, dimethyl formamide, the cyclohexane.
3. microemulsion according to claim 1 is characterized in that described emulsifier is one or more among commercially available Nongru-700 #, agricultural newborn 400#, agricultural newborn 500#, farming breast 1601, farming breast 1602, farming breast 601, farming breast 602, farming breast 603, TX-10,0201,2201, the BY-140.
4. microemulsion according to claim 1 is characterized in that described bleeding agent is one or more in sldium lauryl sulfate, sodium alkyl sulfonate, alkylbenzenesulfonate, lauryl alcohol sodium sulphate, Negel, sodium lignin sulfonate, APES, AEO, the azone.
5. microemulsion according to claim 1 is characterized in that, synergist be in piperonyl butoxide, azone, the Octachlorodipropyl Ether one or more.
6. microemulsion according to claim 1 is characterized in that, antifreezing agent is one or more in ethylene glycol, polyethylene glycol, urea and the glycerine.
7. the preparation method of first dimension salt Methomyl microemulsion according to claim 1; It is characterized in that preparation process is that first is tieed up salt and Methomyl is dissolved in the cosolvent; Drop into emulsifier, synergist and stabilizing agent then; Stir, put into then and give intense mixing and homogenize in the homogenizer that dispersion medium water is housed, obtaining outward appearance at last is limpid transparent first dimension salt Methomyl microemulsion.
CN200810103827XA 2008-04-11 2008-04-11 Emamectin-benzoate and methomyl microemulsion and preparation method thereof Expired - Fee Related CN101554158B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102428913B (en) * 2011-11-11 2014-01-22 山东一览科技有限公司 Microemulsion insecticide and production process thereof
CN102742586B (en) * 2012-06-20 2013-09-04 董志平 New purposes of methomyl for control of athetis lepigone
CN106034445A (en) * 2016-05-31 2016-10-26 山东胜伟园林科技有限公司 Method for carrying out original soil greening of drought and flood saline and alkaline lands through employing soil conditioner containing phethalanilic acid
CN109769871A (en) * 2019-03-20 2019-05-21 青岛市农业科学研究院 A kind of biological pesticide pest repellant

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
张莹等.两种蜜蜂头部乙酰胆碱酯酶对杀虫药剂敏感度比较.《农药学学报》.2005,(第03期), *
曹辉辉等.0.2%高渗甲维盐乳油防治水稻二化螟田间药效试验.《现代农业科技(上半月刊)》.2006,(第08期), *
顾春波等.山东省主要烟区烟(桃)蚜[Myzus persicae(Sulzer)]抗药性研究.《中国烟草学报》.2005,(第04期), *

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Co-patentee after: Beijing Agrosino Import and Export Co., Ltd.

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Co-patentee after: Jixi Agrosino Biotech. Co., Ltd.

Address before: 101109 Tongzhou District County, Beijing, Ma Town Village 1000 meters West

Co-patentee before: Beijing green agricultural crops Technology Co., Ltd.

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Co-patentee after: Jixi Agrosino Biotech. Co., Ltd.

Address before: 101109 Tongzhou District County, Beijing, Ma Town Village 1000 meters West

Co-patentee before: Beijing green agricultural crops Technology Co., Ltd.

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