CN103766330A - Suspension emulsion containing atrazine and chloroacetamide pesticide - Google Patents
Suspension emulsion containing atrazine and chloroacetamide pesticide Download PDFInfo
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- CN103766330A CN103766330A CN201310373633.2A CN201310373633A CN103766330A CN 103766330 A CN103766330 A CN 103766330A CN 201310373633 A CN201310373633 A CN 201310373633A CN 103766330 A CN103766330 A CN 103766330A
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Abstract
The invention relates to a suspension emulsion containing atrazine and a chloroacetamide pesticide, which comprises the following components in percentage by weight: 15-30% of atrazine, 10-35% of pesticide B, 0-50% of a cosolvent, 1-15% of an emulsifier, 0.1-6% of a dispersing agent, 1-10% of an antifreeze agent, 0-5% of a thickening agent, 0.1-2% of an antifoaming agent, 0.1-3% of a corrosion remover, 0.01-5% of a stabilizer and the balance of water, wherein the emulsifier is fatty alcohol polyoxyethylene polyoxypropylene ether and a derivative of the fatty alcohol polyoxyethylene polyoxypropylene ether, and the pesticide B is a chloroacetamide weed killer. The suspension emulsion has the following advantages: 1, stability is realized, and the problems that the pH value or the viscosity is not constant, and the particle size is increased are not easy to appear; 2, the components are more environmentally-friendly and safer.
Description
Technical field
The present invention relates to a kind of weeding pesticide composition, the suspended emulsion of especially a kind of atrazine-containing and chloroacetyl amine agricultural chemicals.
Background technology
Aqueous suspension emulsion is one or more water-insoluble agricultural chemicals liquid actives (or low melting point pesticide activity component mixture in solvent) and another kind of or several water-insoluble agricultural chemicals solid active agents, take water as medium, rely on surfactant to be processed into a kind of liquid preparation of stable outstanding newborn dispersion.It has advantages of suspending agent and aqueous emulsion, as has avoided pollution and the murder by poisoning to environment and operator because of organic solvent and dust of emulsifiable concentrates for agricultural chemicals and wettable powder, and storing safety, has higher biologically active etc.Because aqueous suspension emulsion is a three-phase mixture, and there is dynamics and thermodynamic phase simultaneously, therefore easily occur that pH value or viscosity can not keep the problems such as constant, particle diameter increase.In some surfactants that use in the outstanding emulsion of known water in addition, for example alkylphenol polyoxyethylene, it,, not being entirely satisfactory aspect ecological and toxicity, therefore needs substitute.Suspended emulsion good stability provided by the invention, mixed surfactant used is environmental protection and safety.
Summary of the invention
The object of the present invention is to provide a kind of pH value or viscosity to keep constant, particle diameter to be difficult for the atrazine-containing that increases and the suspended emulsion of chloroacetyl amine agricultural chemicals.
The object of the present invention is achieved like this: it comprises following component, the percentage by weight of each component is as follows: 15-30% atrazine, 10-35% agricultural chemicals B, 0-50% cosolvent, 1-15% emulsifier, 0.1-6% dispersant, 1-10% antifreeze, 0-5% thickener, 0.1-2% defoamer, 0.1-3% preservative, 0.01-5% stabilizing agent, surplus is water
Wherein said emulsifier is aliphatic alcohol polyethenoxy polyethenoxy ether and derivative thereof, and described agricultural chemicals B is chloroacetanilide herbicides.
Further, described agricultural chemicals B is specially a kind of or any two kinds of mixing in alachlor, Acetochlor, the third careless amine, butachlor, propisochlor, isopropyl methoxalamine, S-metolachlor.
Further, described emulsifier is the mixing of aliphatic alcohol polyethenoxy polyethenoxy ether and derivative thereof, the weight ratio of the derivative of aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyethenoxy ether is 30-50:70-50, and the derivative of fatty alcohol-polyoxyethylene ether is at least one in aliphatic alcohol polyethenoxy polyoxypropylene ether sulfonate, aliphatic alcohol polyethenoxy polyethenoxy ether sulfosuccinate, aliphatic alcohol polyethenoxy polyoxypropylene ether sulfate, aliphatic alcohol polyethenoxy polyoxypropylene ether phosphate.
Further, described stabilizing agent is at least one in sodium cellulose glycolate, polyvinyl alcohol, aluminium-magnesium silicate, white carbon, xanthans, bentonite.
Further, described dispersant is at least one in lignosulfonates, alkylaryl sulfonate, alkylsulfonate, naphthalenesulfonate formaldehyde condensation compound, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy polyethenoxy ether, propane diols polyoxyethylene poly-oxygen propylene aether, fatty acid ester, acrylic acid-grafted comb-shaped copolymer.
Further, described cosolvent be one in hexane, cyclohexane, benzene,toluene,xylene, naphthalene, machine oil, cyclohexanone, methyl oleate, methyl laurate, soybean oil, corn oil at least one.
Further, described antifreeze is the one in ethylene glycol, propane diols, glycerine, urea, sodium chloride.
Further, described thickener is at least one in sodium cellulose glycolate, polyvinyl alcohol, aluminium-magnesium silicate, white carbon, xanthans, bentonite.
Further, described defoamer is the one in silicone defoaming agent, C8-10 fatty alcohol, C10-12 unsaturated fatty acid amide, preferably methyl-silicone oil emulsion defoamer.
Further, described preservative is Sodium Benzoate, formaldehyde, 1,2-benzisothiazole-3(2H) one in-one.
Compared to prior art, the invention has the advantages that: 1 possesses stability, be not prone to pH value or viscosity and can not keep the problems such as constant, particle diameter increase.2 more environmental protection of component, the safety that use.
Embodiment
In the time of preparation composition pesticide of the present invention, preparation technology of the present invention has adopted following technique,
Prepare oil phase:
Technique 1:
Agricultural chemicals B method for producing aqueous emulsion is: first add agricultural chemicals B, then add cosolvent, emulsifier, antifreeze, form oil phase, then under the state stirring, slowly add water, system is retrogradation gradually, in the time reaching the thickest (phase inversion point), slow down mixing speed, finally remaining water is supplied, added defoamer, high shear machine is sheared approximately 0.5 hour (rotating speed is 2950rmp), obtain aqueous emulsion, control average grain diameter and be less than 3 microns.
Technique 2:
Agricultural chemicals B missible oil preparation method is: first add agricultural chemicals B, then add emulsifier to mix, make oil phase.
Prepare atrazine suspending agent:
The preparation method that atrazine is made suspending agent is: the former medicine atrazine, dispersant, antifreeze, thickener, preservative, the water that weigh up are added to shear in still be uniformly dispersed, then enter sand mill and be ground to desired particle diameter (average grain diameter is less than 3 microns), finally add defoamer to stir.
Prepare suspension emulsion: the present invention adds oil phase, atrazine suspending agent, stabilizing agent, preservative, defoamer, water successively in shearing still and is uniformly dispersed, shear time 5-10 minute (rotating speed is 2950rmp), obtain suspension emulsion, control average grain diameter and be less than 3 microns.
Describe the present invention in detail below in conjunction with embodiment, but the present invention is not limited to this.
Embodiment 1:40% atrazine. isopropyl methoxalamine suspension emulsion
1.1 preparation 50% isopropyl methoxalamine EW
Technique: according to above-mentioned given formula, first add isopropyl methoxalamine, then add emulsifier aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyoxypropylene ether sulfonate, antifreeze ethylene glycol, form oil phase, then under the state stirring, slowly add water, system is retrogradation gradually, in the time reaching the thickest, (phase inversion point), slows down mixing speed, finally remaining water is supplied, add silicone defoaming agent, high shear machine is sheared approximately 0.5 hour (rotating speed is 2950rmp), obtains aqueous emulsion, controls average grain diameter and is less than 3 microns.
1.2 preparation 50% atrazine SC
Technique: according to above-mentioned given formula, the former medicine atrazine weighing up, dispersant agriculture breast 600#, antifreeze ethylene glycol, thickener aluminium-magnesium silicate, water are added to shear in still and be uniformly dispersed, then enter sand mill and be ground to desired particle diameter (average grain diameter is less than 3 microns), finally add antifreeze ethylene glycol, silicone defoaming agent to stir.
1.3 preparation 40% atrazines. isopropyl methoxalamine SE
Technique: according to above-mentioned given formula, 50% isopropyl methoxalamine EW, 50% atrazine SC, stabilizing agent xanthans, silicone defoaming agent, preservative sodium benzoate, water are added to shear in still be successively uniformly dispersed shear time 5-10 minute (rotating speed is 2950rmp).
Its every physical and chemical performance desired value is as follows:
Embodiment 2:50% atrazine. isopropyl methoxalamine suspension emulsion
2.1 preparation 55% isopropyl methoxalamine EW
Technique: according to above-mentioned given formula, first add isopropyl methoxalamine, then add emulsifier aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyethenoxy ether sulfosuccinate, antifreeze propane diols, form oil phase, then under the state stirring, slowly add water, system is retrogradation gradually, in the time reaching the thickest, (phase inversion point), slows down mixing speed, finally remaining water is supplied, add silicone defoaming agent, high shear machine is sheared approximately 0.5 hour (rotating speed is 2950rmp), obtains aqueous emulsion, controls average grain diameter and is less than 3 microns.
2.2 preparation 50% atrazine SC
Technique: according to above-mentioned given formula, the former medicine atrazine, dispersant acrylic acid graft copolymer, EL-40, thickener white carbon, the water that weigh up are added to shear in still and be uniformly dispersed, then enter sand mill and be ground to desired particle diameter (average grain diameter is less than 3 microns), finally add antifreeze ethylene glycol, silicone defoaming agent to stir.
2.3 preparation 50% atrazines. isopropyl methoxalamine SE
Technique: according to above-mentioned given formula, 55% isopropyl methoxalamine EW, 50% atrazine SC, stabilizing agent sodium cellulose glycolate, silicone defoaming agent, preservative formaldehyde, water are added to shear in still be successively uniformly dispersed shear time 5-10 minute (rotating speed is 2950rmp).
Its every physical and chemical performance desired value is as follows:
Embodiment 3:40% atrazine. Acetochlor suspension emulsion
3.1 preparation 50% Acetochlor EW
Technique: according to above-mentioned given formula, first add Acetochlor, then add cosolvent cyclohexane, emulsifier aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyoxypropylene ether sulfate, antifreeze urea, form oil phase, then under the state stirring, slowly add water, system is retrogradation gradually, in the time reaching the thickest, (phase inversion point), slows down mixing speed, finally remaining water is supplied, add silicone defoaming agent, high shear machine is sheared approximately 0.5 hour (rotating speed is 2950rmp), obtains aqueous emulsion, controls average grain diameter and is less than 3 microns.
3.2 preparation 50% atrazine SC
Technique: according to above-mentioned given formula, the former medicine atrazine weighing up, dispersant agriculture breast 1601#, thickener bentonite, water are added to shear in still and be uniformly dispersed, then enter sand mill and be ground to desired particle diameter (average grain diameter is less than 3 microns), finally add antifreeze glycerine, silicone defoaming agent to stir.
3.3 preparation 40% atrazines. Acetochlor SE
Technique: according to above-mentioned given formula, 50% isopropyl methoxalamine EW, 50% atrazine SC, stabilizing agent xanthans, silicone defoaming agent, preservative sodium benzoate, water are added to shear in still be successively uniformly dispersed shear time 5-10 minute (rotating speed is 2950rmp).
Its every physical and chemical performance desired value is as follows:
Embodiment 4:25% atrazine. butachlor suspension emulsion
4.1 preparation 40% butachlor EW
Technique: according to above-mentioned given formula, first add butachlor, then add cosolvent dimethylbenzene, emulsifier aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyoxypropylene ether phosphate, antifreeze sodium chloride, form oil phase, then under the state stirring, slowly add water, system is retrogradation gradually, in the time reaching the thickest (phase inversion point), slow down mixing speed, finally remaining water is supplied, add silicone defoaming agent, high shear machine is sheared approximately 0.5 hour (rotating speed is 2950rmp), obtain aqueous emulsion, control average grain diameter and be less than 3 microns.
4.2 preparation 40% atrazine SC
Technique: according to above-mentioned given formula, the former medicine atrazine weighing up, dispersant agriculture breast 1602#, NNO, thickener polyvinyl alcohol, water are added to shear in still and be uniformly dispersed, then enter sand mill and be ground to desired particle diameter (average grain diameter is less than 3 microns), finally add antifreeze glycerine, silicone defoaming agent to stir.
4.3 preparation 25% atrazines. butachlor SE
Technique: according to above-mentioned given formula, by 40% butachlor EW, 40% atrazine SC, stabilizing agent xanthans, silicone defoaming agent, preservative 1,2-benzisothiazole-3(2H)-one, water add successively to shear in still and be uniformly dispersed, shear time 5-10 minute (rotating speed is 2950rmp).
Its every physical and chemical performance desired value is as follows:
Embodiment 5:47% atrazine. alachlor. Acetochlor suspension emulsion
5.1 preparation 51% alachlors. Acetochlor EW
Technique: according to above-mentioned given formula, first add alachlor, Acetochlor, then add emulsifier aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyoxypropylene ether sulfate, antifreeze ethylene glycol, form oil phase, then under the state stirring, slowly add water, system is retrogradation gradually, in the time reaching the thickest, (phase inversion point), slows down mixing speed, finally remaining water is supplied, add silicone defoaming agent, high shear machine is sheared approximately 0.5 hour (rotating speed is 2950rmp), obtains aqueous emulsion, controls average grain diameter and is less than 3 microns.
5.2 preparation 55% atrazine SC
Technique: according to above-mentioned given formula, the former medicine atrazine, dispersant A EO-9, the water that weigh up are added to shear in still and be uniformly dispersed, then enter sand mill and be ground to desired particle diameter (average grain diameter is less than 3 microns), finally add antifreeze ethylene glycol, silicone defoaming agent to stir.
5.3 preparation 47% atrazines. alachlor. Acetochlor SE
Technique: according to above-mentioned given formula, by 51% alachlor. Acetochlor EW, 55% atrazine SC, stabilizing agent xanthans, silicone defoaming agent, preservative sodium benzoate, water add successively to shear in still and are uniformly dispersed, shear time 5-10 minute (rotating speed is 2950rmp).
Its every physical and chemical performance desired value is as follows:
Embodiment 6:60% atrazine. S-metolachlor suspension emulsion
6.1 prepare S-metolachlor missible oil
Weight percentages of components
S-metolachlor 35.0%
Aliphatic alcohol polyethenoxy polyethenoxy ether 3.0%
Aliphatic alcohol polyethenoxy polyoxypropylene ether sulfonate 3.0%
Technique: according to above-mentioned given formula, first add S-metolachlor, then add emulsifier aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyoxypropylene ether sulfonate to mix, make S-metolachlor missible oil.
6.2 preparation 60% atrazine SC
Technique: according to above-mentioned given formula, the former medicine atrazine weighing up, dispersant propane diols polyoxyethylene poly-oxygen propylene aether, dispersant aliphatic alcohol polyethenoxy polyethenoxy ether sulfosuccinate, thickener white carbon, water are added to shear in still and be uniformly dispersed, then enter sand mill and be ground to desired particle diameter (average grain diameter is less than 3 microns), finally add antifreeze ethylene glycol, silicone defoaming agent to stir.
6.3 preparation 60% atrazines. S-metolachlor SE
Technique: according to above-mentioned given formula, the S-metolachlor missible oil making, 60% atrazine SC, stabilizing agent xanthans, silicone defoaming agent, preservative formaldehyde, water are added to shear in still be successively uniformly dispersed shear time 5-10 minute (rotating speed is 2950rmp).
Its every physical and chemical performance desired value is as follows:
Claims (10)
1. the suspended emulsion of atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: it comprises following component, the percentage by weight of each component is as follows: 15-30% atrazine, 10-35% agricultural chemicals B, 0-50% cosolvent, 1-15% emulsifier, 0.1-6% dispersant, 1-10% antifreeze, 0-5% thickener, 0.1-2% defoamer, 0.1-3% preservative, 0.01-5% stabilizing agent, surplus is water
Wherein said emulsifier is aliphatic alcohol polyethenoxy polyethenoxy ether and derivative thereof, and described agricultural chemicals B is chloroacetanilide herbicides.
2. the suspended emulsion of atrazine-containing according to claim 1 and chloroacetyl amine agricultural chemicals, is characterized in that: described agricultural chemicals B be specially in alachlor, Acetochlor, the third careless amine, butachlor, propisochlor, isopropyl methoxalamine, S-metolachlor a kind of or any two kinds of mixing.
3. the suspended emulsion of atrazine-containing according to claim 1 and chloroacetyl amine agricultural chemicals, it is characterized in that: described emulsifier is the mixing of aliphatic alcohol polyethenoxy polyethenoxy ether and derivative thereof, the weight ratio of the derivative of aliphatic alcohol polyethenoxy polyethenoxy ether and aliphatic alcohol polyethenoxy polyethenoxy ether is 30-50:70-50, the derivative of fatty alcohol-polyoxyethylene ether is aliphatic alcohol polyethenoxy polyoxypropylene ether sulfonate, aliphatic alcohol polyethenoxy polyethenoxy ether sulfosuccinate, aliphatic alcohol polyethenoxy polyoxypropylene ether sulfate, at least one in aliphatic alcohol polyethenoxy polyoxypropylene ether phosphate.
4. according to the suspended emulsion of claim 1 atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: described stabilizing agent is at least one in sodium cellulose glycolate, polyvinyl alcohol, aluminium-magnesium silicate, white carbon, xanthans, bentonite.
5. according to the suspended emulsion of claim 1 atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: described dispersant is at least one in lignosulfonates, alkylaryl sulfonate, alkylsulfonate, naphthalenesulfonate formaldehyde condensation compound, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy polyethenoxy ether, propane diols polyoxyethylene poly-oxygen propylene aether, fatty acid ester, acrylic acid-grafted comb-shaped copolymer.
6. according to the suspended emulsion of claim 1 atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: described cosolvent is at least one in hexane, cyclohexane, benzene,toluene,xylene, naphthalene, machine oil, cyclohexanone, methyl oleate, methyl laurate, soybean oil, corn oil.
7. according to the suspended emulsion of claim 1 atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: described antifreeze is the one in ethylene glycol, propane diols, glycerine, urea, sodium chloride.
8. according to the suspended emulsion of claim 1 atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: described thickener is at least one in sodium cellulose glycolate, polyvinyl alcohol, aluminium-magnesium silicate, white carbon, xanthans, bentonite.
9. according to the suspended emulsion of claim 1 atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: described defoamer is the one in silicone defoaming agent, C8-10 fatty alcohol, C10-12 unsaturated fatty acid amide.
10. according to the suspended emulsion of claim 1 atrazine-containing and chloroacetyl amine agricultural chemicals, it is characterized in that: described preservative is Sodium Benzoate, formaldehyde, 1,2-benzisothiazole-3(2H) one in-one.
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Cited By (5)
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| CN104472501A (en) * | 2015-01-14 | 2015-04-01 | 西华大学 | Synergism weeding composition |
| WO2020108197A1 (en) * | 2018-11-29 | 2020-06-04 | 上海明德立达生物科技有限公司 | Microcapsule suspension-suspending agent containing atrazine and s-metolachlor and preparation method therefor |
| CN113133452A (en) * | 2020-01-17 | 2021-07-20 | 成都新朝阳作物科学股份有限公司 | Novel herbicide, plant growth inhibitor and application thereof |
| WO2023203483A1 (en) | 2022-04-19 | 2023-10-26 | Surcos impact | Chlor-triazine nanoemulsions |
| CN117099791A (en) * | 2023-10-23 | 2023-11-24 | 山东潍坊润丰化工股份有限公司 | Dispersible liquid containing metolachlor and prometryn and preparation method thereof |
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