CN102113515A - Chlorpyrifos-chlorantraniliprole water emulsion and preparation method thereof - Google Patents
Chlorpyrifos-chlorantraniliprole water emulsion and preparation method thereof Download PDFInfo
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- CN102113515A CN102113515A CN2011100085720A CN201110008572A CN102113515A CN 102113515 A CN102113515 A CN 102113515A CN 2011100085720 A CN2011100085720 A CN 2011100085720A CN 201110008572 A CN201110008572 A CN 201110008572A CN 102113515 A CN102113515 A CN 102113515A
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- rynaxypyr
- chlopyrifos
- aqueous emulsion
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Abstract
The invention discloses a chlorpyrifos-chlorantraniliprole water emulsion comprising the following raw materials by weight percent: 20-30wt% of chlorpyrifos, 0.5-2wt% of chlorantraniliprole, 4-8wt% of emulsifier, 20-05wt% of solvent, 4-8wt% of cosolvent, 0.2-0.6wt% of thickener, 2-5wt% of freeze proof agent, and the balance of water. The chlorpyrifos-chlorantraniliprole water emulsion is prepared by following steps: stirring and mixing active ingredients (including the chlorpyrifos and the chlorantraniliprole), the solvent and the cosolvent uniformly, adding the emulsifier in the mixture for mixing uniformly, then adding the freeze proof agent, the thickener and the water, stirring the mixture for 10-30 minutes under the rotating speed of 1000-10000 revolution per minute, and finally obtaining the chlorpyrifos-chlorantraniliprole water emulsion. The invention also discloses a preparation method for preparing the chlorpyrifos-chlorantraniliprole water emulsion. In the invention, the pollution on the environment and the damage on the body health of a user due to the use of a chlorpyrifos-chlorantraniliprole pesticide are reduced, and the production cost is lowered simultaneously.
Description
Technical field
The present invention relates to formulations of pesticide technical field, be specifically related to a kind of chlopyrifos, Rynaxypyr aqueous emulsion and preparation method thereof.
Background technology
Chlopyrifos is an organophosphorus insecticides, have tag, stomach toxicity and fumigation action, active height, wide spectrum, lasting period are longer, are applicable to multiple chewing type and sucking pest on paddy rice, wheat, cotton, fruit tree, vegetables, the tea tree, also can be used for preventing and treating sanitary insect pest.Rynaxypyr belongs to the O-formammidotiazol-benzamide insecticide, high-efficiency broad spectrum, lepidopterous Noctuidae, Pyralidae, moth fruit moth section, tortricid, miller section, diamond-back moth section, Gelechidae, Gracilariidae etc. all there are excellent control effect, can also control multiple non-lepidoptera pests such as coleoptera Culculionidae, Chrysomelidae, diptera Agromyzidae, Bemisia tabaci.The regular dosage form of chlopyrifos and Rynaxypyr is a missible oil, and cream preparation mainly adopts aromatic organic solvent to prepare, and aromatic organic solvent content is up to 50～70wt% in the conventional cream preparation.Because aromatic organic solvent such as toluene, dimethylbenzene, mixed benzene etc. are to the pollution problem of environment, environmental protection department has controlled this kind solvent, need not or lack the direction that has become development missible oil class agricultural chemicals with aromatic organic solvent as far as possible.Aqueous emulsion is that water-fast original liquid body or former medicine are dissolved in a kind of pesticidal preparations that the liquid dispersion of gained in the water-fast organic solvent forms in water, and outward appearance is opaque emulsion.The advantage of this formulation is evenly to mix dispersion with arbitrary proportion with water, is subjected to the influence of water quality little, easy to use, is difficult for contaminated environment, can directly or dilute the desirable formulation of spraying in the back.The particle mean size of its particle generally about 0.7～3.5 μ m, has strengthened the absorption of crops to medicament.
Summary of the invention
The present invention will solve provides a kind of chlopyrifos, Rynaxypyr aqueous emulsion, easy to use, free from environmental pollution, to user's safety non-toxic evil.
Technical scheme comprises:
A kind of chlopyrifos, Rynaxypyr aqueous emulsion, described aqueous emulsion comprises according to percentage by weight: chlopyrifos 20～30wt%, Rynaxypyr 0.5～2wt%, emulsifier 4～8wt%, solvent 20～25wt%, cosolvent 4～8wt%, thickener 0.2～0.6wt%, antifreezing agent 2～5wt%, surplus is a water.
Further: described emulsifier comprises at least two kinds in calcium dodecyl benzene sulfonate, styryl phenol formaldehyde resin polyoxyethylene polyoxypropylene block type polyethers, alkylphenol polyoxyethylene, this dish 20-40, styrene phenol formaldehyde resin APEO, dibenzyl xenyl APEO, styryl phenol APEO, polyoxyethylene nonylphenol ether modified phosphate fat or the castor oil polyoxyethylene ether.
Further: described solvent comprises: at least a in toluene, dimethylbenzene, acetone, dimethyl formamide, cyclohexanone, dimethyl sulfoxide (DMSO), S-150 or the N-alkyl pyrrolidone.
Further: described cosolvent comprises at least a in ethylene glycol phenyl ether, n-butanol, ethylene glycol or the isopropyl alcohol.
Further: described antifreezing agent comprises at least a in ethylene glycol, propane diols, glycerine or the urea.
Further: described thickener comprises at least a in aluminium-magnesium silicate, xanthans or the sodium bentonite.
Another technical problem solved by the invention provides the preparation method of a kind of chlopyrifos, Rynaxypyr aqueous emulsion, and prepared product is easy to use, free from environmental pollution, to user's safety non-toxic evil.
Technical scheme is as follows:
The preparation method of a kind of chlopyrifos, Rynaxypyr aqueous emulsion comprises:
(1) adopt following raw materials by weight percent: chlopyrifos 20～30wt%, Rynaxypyr 0.5～2wt%, emulsifier 4～8wt%, solvent 20～25wt%, cosolvent 4～8wt%, thickener 0.2～0.6wt%, antifreezing agent 2～5wt%, surplus is a water;
(2) chlopyrifos, Rynaxypyr and solvent and cosolvent are mixed, add emulsifier for mixing and mix, add antifreezing agent, thickener and water then, under 1000～10000 rev/mins rotating speed, stirred 10～30 minutes.
Further: described emulsifier comprises at least two kinds in calcium dodecyl benzene sulfonate, styryl phenol formaldehyde resin polyoxyethylene polyoxypropylene block type polyethers, alkylphenol polyoxyethylene, this dish 20-40, styrene phenol formaldehyde resin APEO, dibenzyl xenyl APEO, styryl phenol APEO, polyoxyethylene nonylphenol ether modified phosphate fat or the castor oil polyoxyethylene ether.
Further: described solvent comprises at least a in toluene, dimethylbenzene, acetone, dimethyl formamide, cyclohexanone, dimethyl sulfoxide (DMSO), S-150 or the N-alkyl pyrrolidone; Described cosolvent is at least a in ethylene glycol phenyl ether, n-butanol, ethylene glycol or the isopropyl alcohol.
Further: described antifreezing agent comprises at least a in ethylene glycol, propane diols, glycerine or the urea; Described thickener comprises at least a in aluminium-magnesium silicate, xanthans and the sodium bentonite.
Owing to adopted technique scheme, the invention has the beneficial effects as follows:
1, aromatic organic solvent content only has 20～23% in the aqueous emulsion of the present invention, prior art has significantly reduced the consumption of aromatic organic solvent relatively, thereby has reduced chlopyrifos, Rynaxypyr class agricultural chemicals in use to the pollution of environment and the harm healthy to the user.
2, therefore the present invention greatly reduces the cost of product, and has improved the safety in production and transport and the storage process because water has replaced most of aromatic organic solvent.
3, the present invention adopts unique composite emulsifier, improved the drug effect of chlopyrifos, Rynaxypyr class agricultural chemicals greatly, through field medicine effect test, when the chlopyrifos of content 30.5wt%, Rynaxypyr aqueous emulsion mu consumption 70ml, average preventive effect to rice leaf roller is 90.8%, when the mu consumption is 90ml, average preventive effect to rice leaf roller is 94.6%, and contrast 30.5wt% chlopyrifos, Rynaxypyr cream preparation, the mu consumption is when being 90ml, is 90.2% to the average preventive effect of rice leaf roller.As seen under same amount, the drug effect of chlopyrifos, Rynaxypyr aqueous emulsion is apparently higher than the drug effect of the cream preparation of same concentrations.
Embodiment
Further set forth the present invention below in conjunction with specific embodiment.
Embodiment 1
Adopt following raw materials by weight percent: chlopyrifos 20.3wt%, Rynaxypyr 2.0wt%, emulsifier 4wt%, solvent 20wt%, cosolvent 8wt%, thickener 0.2wt%, antifreezing agent 2wt%, water 43.5wt%.
Chlopyrifos, Rynaxypyr and solvent xylene, dimethyl formamide and methyl-sulfoxide and the cosolvent ethylene glycol phenyl ether of above weight proportion are mixed under mechanical agitation, adding emulsifier polyoxyethylene nonylphenol ether modified phosphate fat and styryl phenol formaldehyde resin polyoxyethylene polyoxypropylene block type polyethers mixes, add antifreeze glycol, thickener aluminium-magnesium silicate and water then, under 8000 rev/mins rotating speed, stirred 30 minutes, make chlopyrifos, Rynaxypyr aqueous emulsion, the stable storing performance of the product that makes sees the following form:
Embodiment 2
Adopt following raw materials by weight percent: chlopyrifos 25.5wt%, Rynaxypyr 1.3wt%, emulsifier 6wt%, solvent 23wt%, cosolvent 6wt%, thickener 0.4wt%, antifreezing agent 4wt%, water 33.8wt%.
Chlopyrifos, Rynaxypyr and solvent xylene, dimethyl formamide and methyl-sulfoxide and the cosolvent n-butanol of above weight proportion are mixed under mechanical agitation, adding the emulsifier alkylphenol polyoxyethylene mixes with this dish 20-40, add antifreezing agent glycerine, thickener xanthans and water then, under 8000 rev/mins rotating speed, stirred 20 minutes, make chlopyrifos, Rynaxypyr aqueous emulsion, the stable storing performance of the product that makes sees the following form:
Embodiment 3
Adopt following raw materials by weight percent: chlopyrifos 30.0wt%, Rynaxypyr 0.55wt%, emulsifier 8wt%, solvent 25wt%, cosolvent 4wt%, thickener 0.6wt%, antifreezing agent 5wt%, water 26.85wt%.
Chlopyrifos, Rynaxypyr and solvent xylene, dimethyl formamide and methyl-sulfoxide and the cosolvent ethylene glycol phenyl ether of above weight proportion are mixed under mechanical agitation, adding emulsifier styryl phenol APEO and polyoxyethylene nonylphenol ether modified phosphate fat mixes, add antifreezing agent urea, thickener sodium bentonite and water then, under 8000 rev/mins rotating speed, stirred 15 minutes, make chlopyrifos, Rynaxypyr aqueous emulsion, the stable storing performance of the product that makes sees the following form:
Claims (10)
1. a chlopyrifos, Rynaxypyr aqueous emulsion, it is characterized in that, described aqueous emulsion comprises according to percentage by weight: chlopyrifos 20～30wt%, Rynaxypyr 0.5～2wt%, emulsifier 4～8wt%, solvent 20～25wt%, cosolvent 4～8wt%, thickener 0.2～0.6wt%, antifreezing agent 2～5wt%, surplus is a water.
2. chlopyrifos as claimed in claim 1, Rynaxypyr aqueous emulsion is characterized in that: described emulsifier comprises at least two kinds in calcium dodecyl benzene sulfonate, styryl phenol formaldehyde resin polyoxyethylene polyoxypropylene block type polyethers, alkylphenol polyoxyethylene, this dish 20-40, styrene phenol formaldehyde resin APEO, dibenzyl xenyl APEO, styryl phenol APEO, polyoxyethylene nonylphenol ether modified phosphate fat or the castor oil polyoxyethylene ether.
3. chlopyrifos as claimed in claim 1, Rynaxypyr aqueous emulsion, it is characterized in that described solvent comprises: at least a in toluene, dimethylbenzene, acetone, dimethyl formamide, cyclohexanone, dimethyl sulfoxide (DMSO), S-150 or the N-alkyl pyrrolidone.
4. chlopyrifos as claimed in claim 1, Rynaxypyr aqueous emulsion is characterized in that: described cosolvent comprises at least a in ethylene glycol phenyl ether, n-butanol, ethylene glycol or the isopropyl alcohol.
5. chlopyrifos as claimed in claim 1, Rynaxypyr aqueous emulsion is characterized in that: described antifreezing agent comprises at least a in ethylene glycol, propane diols, glycerine or the urea.
6. chlopyrifos as claimed in claim 1, Rynaxypyr aqueous emulsion is characterized in that: described thickener comprises at least a in aluminium-magnesium silicate, xanthans or the sodium bentonite.
7. the preparation method of a chlopyrifos, Rynaxypyr aqueous emulsion comprises:
(1) adopt following raw materials by weight percent: chlopyrifos 20～30wt%, Rynaxypyr 0.5～2wt%, emulsifier 4～8wt%, solvent 20～25wt%, cosolvent 4～8wt%, thickener 0.2～0.6wt%, antifreezing agent 2～5wt%, surplus is a water;
(2) chlopyrifos, Rynaxypyr and solvent and cosolvent are mixed, add emulsifier for mixing and mix, add antifreezing agent, thickener and water then, under 1000～10000 rev/mins rotating speed, stirred 10～30 minutes.
8. the preparation method of chlopyrifos as claimed in claim 7, Rynaxypyr aqueous emulsion is characterized in that: described emulsifier comprises at least two kinds in calcium dodecyl benzene sulfonate, styryl phenol formaldehyde resin polyoxyethylene polyoxypropylene block type polyethers, alkylphenol polyoxyethylene, this dish 20-40, styrene phenol formaldehyde resin APEO, dibenzyl xenyl APEO, styryl phenol APEO, polyoxyethylene nonylphenol ether modified phosphate fat or the castor oil polyoxyethylene ether.
9. the preparation method of chlopyrifos as claimed in claim 7, Rynaxypyr aqueous emulsion is characterized in that: described solvent comprises at least a in toluene, dimethylbenzene, acetone, dimethyl formamide, cyclohexanone, dimethyl sulfoxide (DMSO), S-150 or the N-alkyl pyrrolidone; Described cosolvent is at least a in ethylene glycol phenyl ether, n-butanol, ethylene glycol or the isopropyl alcohol.
10. the preparation method of chlopyrifos as claimed in claim 7, Rynaxypyr aqueous emulsion is characterized in that: described antifreezing agent comprises at least a in ethylene glycol, propane diols, glycerine or the urea; Described thickener comprises at least a in aluminium-magnesium silicate, xanthans and the sodium bentonite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100085720A CN102113515A (en) | 2011-01-14 | 2011-01-14 | Chlorpyrifos-chlorantraniliprole water emulsion and preparation method thereof |
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| CN2011100085720A CN102113515A (en) | 2011-01-14 | 2011-01-14 | Chlorpyrifos-chlorantraniliprole water emulsion and preparation method thereof |
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| CN102113515A true CN102113515A (en) | 2011-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102845463A (en) * | 2012-09-29 | 2013-01-02 | 湖南大乘医药化工有限公司 | Chlorantraniliprole and chlorpyrifos mixed suspending agent |
| CN103120184A (en) * | 2012-06-01 | 2013-05-29 | 北京明德立达农业科技有限公司 | Fosthiazate pesticide composition and application thereof |
| CN114451408A (en) * | 2022-01-17 | 2022-05-10 | 江苏凯元科技有限公司 | Emulsifier suitable for multiple pesticide emulsion in water and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589722A (en) * | 2009-06-26 | 2009-12-02 | 南开大学 | Insecticides of a kind of chloride worm benzamide and its production and use |
| CN101703050A (en) * | 2009-11-18 | 2010-05-12 | 青岛奥迪斯生物科技有限公司 | Insecticidal composite containing chlorantraniliprole and organic phosphorus |
| CN101773141A (en) * | 2010-01-29 | 2010-07-14 | 中国水稻研究所 | Compound pesticide of chlorantraniliprole and chlorpyrifos |
-
2011
- 2011-01-14 CN CN2011100085720A patent/CN102113515A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589722A (en) * | 2009-06-26 | 2009-12-02 | 南开大学 | Insecticides of a kind of chloride worm benzamide and its production and use |
| CN101703050A (en) * | 2009-11-18 | 2010-05-12 | 青岛奥迪斯生物科技有限公司 | Insecticidal composite containing chlorantraniliprole and organic phosphorus |
| CN101773141A (en) * | 2010-01-29 | 2010-07-14 | 中国水稻研究所 | Compound pesticide of chlorantraniliprole and chlorpyrifos |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103120184A (en) * | 2012-06-01 | 2013-05-29 | 北京明德立达农业科技有限公司 | Fosthiazate pesticide composition and application thereof |
| CN102845463A (en) * | 2012-09-29 | 2013-01-02 | 湖南大乘医药化工有限公司 | Chlorantraniliprole and chlorpyrifos mixed suspending agent |
| CN114451408A (en) * | 2022-01-17 | 2022-05-10 | 江苏凯元科技有限公司 | Emulsifier suitable for multiple pesticide emulsion in water and preparation method thereof |
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Application publication date: 20110706 |