CN1359619A - Insecticidal microemulsion composition of emaricin - Google Patents

Insecticidal microemulsion composition of emaricin Download PDF

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Publication number
CN1359619A
CN1359619A CN 00135817 CN00135817A CN1359619A CN 1359619 A CN1359619 A CN 1359619A CN 00135817 CN00135817 CN 00135817 CN 00135817 A CN00135817 A CN 00135817A CN 1359619 A CN1359619 A CN 1359619A
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China
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water
ether
emaricin
microemulsion
emulsifier
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CN 00135817
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CN1188036C (en
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杨靖华
温沛宏
赵传华
王丽娟
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Beijing Agricultural Chemical Technology Co Ltd
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Abstract

A insecticidal microemulsion is disclosed, whose main component is methylamino abamectin (and its salts).

Description

Insecticidal microemulsion composition of emaricin
The present invention relates to a kind of agricultural plant protection Chemical composition that, is a kind of desinsection micro-emulsifier composition specifically.
Emaricin (methylamino avermectin) is 16 Yuans macrolide antibiotics Avermectin B 1Structure modified outcome, chemical name is 4 "-deoxidation-4 "-methylamino avermectin B 1Report first in early eighties by U.S. Merck company, domestic existing production at present and registration, this medicine overcome Avermectin to common lepidoptera pest as tomato moth, beet armyworm, the shortcoming that effects such as cotton bollworm are relatively poor, its specific activity Avermectin to this class pest generally improves 1-2 the order of magnitude, and only be the sixth of Avermectin to the toxicity of higher mammal, thereby be a kind of high activity, the public nuisance-free agricultural chemicals that Environmental compatibility is good, just be based on above situation, registration kind content is generally between the 0.1-1% at present, belongs to efficient low content preparation, and formulation is then based on missible oil at present, wherein consumption of organic solvent is up to 80-90%, the major defect of such preparation is: (1) consumes a large amount of organic solvents, increases cost, causes waste; (2) be easy to volatilization and burning, store and transport dangerous; (3) after organic solvent is spilled into the field with agricultural chemicals, enter river, air, contaminated environment etc. see above all points, the agreement that minority developed country even proposed forbids, therefore exploitation reduce or the novel form of useful organic solvent extremely urgent to replace traditional cream preparation;
Microemulsion is a kind of novel liquid formulation of developing in recent years, in preparation, be dispersion medium with water, use no or little organic solvent, many shortcomings of missible oil formulation have been avoided, to water-fast active ingredient, by effects such as dispersion microemulsifieds, by homogenize technology, active ingredient is dispersed in the water, form the thermodynamically stable dispersion of oil-in-water type, because disperse phase (active ingredient) particle microemulsified (general particle diameter≤0.1 μ), so appearance transparent, physics, chemical property is stable, strong to plant and insect tissue cell permeability, the preventive effect height.
The present invention combines this biogenic environment friendly agricultural of emaricin just with this nuisanceless green formulation of microemulsion, thereby makes it to become a real green non-pollution high-efficiency preparation.
The present invention realizes like this, with emaricin at cosolvent, under the effect of emulsifier, be dispersed in the water by homogenize technology, form the emaricin microemulsion of appearance transparent, the percentage by weight of each component is as follows: emaricin 0.1-10% cosolvent 5-30% emulsifier 5-30% water surplus
Described emaricin has another name called methylamino avermectin (and its esters), and chemical name is 4 "-deoxidation-4 "-methylamino avermectin B1 (and its esters).
Described cosolvent is methyl alcohol, ethanol, isopropyl alcohol, n-butanol, n-amyl alcohol, acetone, cyclohexanone, dimethyl formamide etc., and cosolvent is used for dissolving emaricin and uses.
Described emulsifier is styryl phenol APEO, phenethyl phenol polyethenoxy polyethenoxy ether, alkylphenol polyoxyethylene, alkyl phenol oxygen vinethene formaldehyde condensation products, phenethyl phenol polyethenoxy ether formaldehyde condensation products.Castor oil polyoxyethylene ether, benzylphenol polyoxyethylene groups polyoxypropylene base ether, phosphide ester class, a kind of of calcium dodecyl benzene sulfonate also can be two or more mixtures.The effect of emulsifier is disperse phase to be uniformly dispersed and stable in aqueous medium.
The water surplus meaning is that water is mended to 100%
In order to make emaricin can as far as possible effectively bring into play its effect, can add synergist in right amount, as piperonyl butoxide, Octachlorodipropyl Ether or azone, or synergy phosphorus, consumption is≤10%.
Needs according to the prescription physicochemical property also can add stabilizing agent in the microemulsion, as ethylene glycol or polyethylene glycol, polyvinyl alcohol, sorbierite and its esters, benzoate, urea, glycerine etc., consumption≤10%.Function of stabilizer is to strengthen the physics and the chemical stability of microemulsion.
Process of the present invention is as follows: the former powder of emaricin is dissolved in the cosolvent, drop into emulsifier, drop into synergist and stabilizing agent again, stir, can heat when needing, then dispersion medium water is added wherein, and mix homogenizing strongly, can heat when needing, after the homogenizing, room temperature to be returned to.It is faint yellow to water white microemulsion can arriving and obtain outward appearance.
Non-limiting examples is described below:
For sake of convenience, with code name of following raw material regulation.A: emaricin, active constituent content on average get 90%.R: be emulsifier, R 1Be styryl phenol APEO; R 2Be phenethyl phenol polyethenoxy polyethenoxy ether; R 3Be alkylphenol polyoxyethylene; R 4Be the alkyl polyoxyethylene ether formaldehyde condensation products; R 5Be phenethyl phenol polyethenoxy ether first capital condensation product; R 6Be castor oil polyoxyethylene ether; R 7Be benzylphenol polyoxyethylene groups polyoxypropylene base ether; R 8Be phosphorus phenolic ester class; R 9Be calcium dodecyl benzene sulfonate 1. 0.2% emaricin microemulsions:
Get 2.15 kilograms of A,, add R then with 5 kilograms of methyl alcohol and 3 kilograms of acetone solutions 1And R 4100 kilograms of mixing R, 10 kilograms of azones are heated to 879.85 kg of water that will measure after 40-50 ℃ and the stirring and dissolving and add wherein, strong agitation is even, keeps 15-20 minute, returns to room temperature then, obtains 1000 kilogram of 0.2% emaricin microemulsion.
2. 1% emaricin microemulsion
Get 11.15 kilograms of A, after dissolving with 20 kilograms of dimethyl formamides and 10 kilograms of cyclohexanones, add R 2And R 9200 kilograms of blended emulsifiers, 40 kilograms in synergy phosphorus is heated to about 50 ℃, after stirring and dissolving is complete, 718.85 kg of water that measure are added wherein the strong agitation homogenizing, kept 15-20 minute, and returned to room temperature then, obtain 1000 kilogram of 1% emaricin microemulsion.
3. 2% emaricin microemulsion:
Get 22.3 kilograms of A,, add R with 30 kilograms of acetone and 50 kilograms of dimethyl formamide dissolvings 6And R 8And R 9Mix 150 kilograms of R, add 40 kilograms of Octachlorodipropyl Ethers, be heated to about 50 ℃, after stirring and dissolving is complete, 707.7 kg of water that measure are added wherein the strong agitation homogenizing, kept 15-20 minute, and returned to room temperature then, can obtain 2% emaricin microemulsion.

Claims (3)

1, a kind of pest killing micro emulsion as disperse phase, under the effect of auxiliary agent, is dispersed in active component in the water through homogenize technology and forms, and it is characterized in that:
(1), the percentage by weight of each component is as follows: methylamino avermectin (and its esters) 0.01-10% cosolvent 5-30% emulsifier 5-30% water surplus
(2), described methylamino avermectin (and its esters), to refer to chemical name be 4 " deoxidation-4 " methylamino avermitilis strain B1 and hydrochloride or benzoate, Chinese common name emaricin, English general Emamectin by name.
(3), described cosolvent is a kind of in methyl alcohol, ethanol, isopropyl alcohol, n-butanol, n-amyl alcohol, acetone, cyclohexanone, the dimethyl formamide or composition more than third kind.
(4), described emulsifier is styryl phenol APEO, phenethyl phenol polyethenoxy polyethenoxy ether, alkylphenol polyoxyethylene, alkyl phenol oxygen vinethene formaldehyde condensation products, phenethyl phenol polyethenoxy ether formaldehyde condensation products.Castor oil polyoxyethylene ether, one or more blended emulsifiers of benzylphenol polyoxyethylene groups polyoxypropylene base ether, phosphide ester class, calcium dodecyl benzene sulfonate.
(5), described water is meant wherein a kind of of running water, underground water, deionized water, distilled water.
2. according to the described pest killing micro emulsion of claim, it is characterized in that, contain synergist piperonyl butoxide or Octachlorodipropyl Ether or azone or synergy phosphorus in the microemulsion, consumption≤15%;
3. a kind of series pesticide microemulsion according to claim 1 and 2, it is characterized in that containing in the microemulsion stabilizing agent ethylene glycol, polyethylene glycol, polyvinyl alcohol, urea or glycerine, benzoate one or more mixture wherein, consumption≤10%.
CN 00135817 2000-12-21 2000-12-21 Insecticidal microemulsion composition of emaricin Expired - Fee Related CN1188036C (en)

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CN1359619A true CN1359619A (en) 2002-07-24
CN1188036C CN1188036C (en) 2005-02-09

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101002560B (en) * 2006-01-17 2010-08-18 上海农乐生物制品股份有限公司 Aqueous emulsion containing methyl amino abamectin benzoate, and its preparing method
CN102187868A (en) * 2010-03-03 2011-09-21 中农立华生物科技股份有限公司 Flubendiamide and emamectin benzoate blended emulsion and preparation method thereof
CN102613214A (en) * 2008-12-31 2012-08-01 浙江世佳科技有限公司 Microemulsion of propylene glycol alginate and emamectin benzoate
CN101422155B (en) * 2007-10-29 2013-02-27 山东京博控股股份有限公司 Insecticide and miticide composition
CN106417271A (en) * 2016-08-31 2017-02-22 周翠华 Rice leaf roller prevention agent capable of being sprayed by unmanned aerial vehicle
CN109010014B (en) * 2018-08-08 2020-09-22 武汉中投汉嘉科技有限公司 Ear acupoint pressing pill and its preparing method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101002560B (en) * 2006-01-17 2010-08-18 上海农乐生物制品股份有限公司 Aqueous emulsion containing methyl amino abamectin benzoate, and its preparing method
CN101422155B (en) * 2007-10-29 2013-02-27 山东京博控股股份有限公司 Insecticide and miticide composition
CN102613214A (en) * 2008-12-31 2012-08-01 浙江世佳科技有限公司 Microemulsion of propylene glycol alginate and emamectin benzoate
CN102187868A (en) * 2010-03-03 2011-09-21 中农立华生物科技股份有限公司 Flubendiamide and emamectin benzoate blended emulsion and preparation method thereof
CN102187868B (en) * 2010-03-03 2014-07-02 中农立华生物科技股份有限公司 Flubendiamide and emamectin benzoate blended emulsion and preparation method thereof
CN106417271A (en) * 2016-08-31 2017-02-22 周翠华 Rice leaf roller prevention agent capable of being sprayed by unmanned aerial vehicle
CN109010014B (en) * 2018-08-08 2020-09-22 武汉中投汉嘉科技有限公司 Ear acupoint pressing pill and its preparing method

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Publication number Publication date
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