CN102217606A - Herbicide suspension compounded by using benazolin and fluazifop-p-butyl and preparation method thereof - Google Patents
Herbicide suspension compounded by using benazolin and fluazifop-p-butyl and preparation method thereof Download PDFInfo
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Abstract
The invention relates to an herbicide suspension compounded by using benazolin and fluazifop-p-butyl and a preparation method thereof, belonging to the technical field of pesticides. The herbicide suspension is prepared from the following components in percentage by weight: 0.1-40 percent of benazolin, 0.1-40 percent of fluazifop-p-butyl, 0.1-2 percent of defoaming agent, 0.5-20 percent of wetting agent, 0.5-20 percent of dispersant, 0.4-4 percent of anti-freezing agent, 0.1-5 percent of thickening agent, 0.1-4 percent of pH regulator, 0.1-10 percent of stabilizer, 0.1-5 percent of penetrating agent and the balance of deionized water under the conditions that the content of the benazolin is 95 percent and the content of the fluazifop-p-butyl is 98 percent. The herbicide suspension has the characteristics of high efficiency, low toxicity and no pollution and is not easy to produce resistance to the environment, safety of people and animals as well as weed.
Description
Technical field
The present invention relates to composite weed killer herbicide suspension agent of a kind of benazolin and efficient fluazifop and preparation method thereof, belong to technical field of pesticides.
Background technology
Pesticidal preparations is progressively to safe, environmental protectionization, water baseization development, and 1. agricultural chemicals suspension agent does not have dust harzard owing to have the following advantages, to operator and Environmental security; 2. be dispersion medium with water, do not have the inflammable and drug injury problem that produces by organic solvent; 3. compare with wetting powder, allow to select for use the former medicine of different-grain diameter, so that make the biological effect of preparation and physical stability reach best; 4. liquid suspension spreads in water well, can directly make spray liquid and use; 5. than great, packaging volume is little.6. the dispersiveness of suspending agent and plate-out ability are all relatively good, the suspensibility height, and the ability that sticks to the plant corpus surface is more intense, resistance of rainwater washing against, thereby drug effect significantly and also compares lastingly than wetting powder.7. have that particle is little, active surface is big, penetration is strong, do not have dust when making up a prescription, characteristics such as cost is low, drug effect height.And have the advantage of wetting powder and missible oil concurrently, and can be moistening by water, suspension is good behind the thin up.Agricultural chemicals suspension agent be after a kind of formulation of large usage quantity in the formulations of pesticide utilizations.
The efficient fluazifop chemical name: (R)-2-4-[(5-5-flumethiazine-2-yl) and the oxygen base] phenoxy group } butyl propionate.Be used for multiple broad leaf crop field, management of weeds has special efficacy, and the selectivity cauline leaf is handled weed killer herbicide behind the genus seedling.Broad weed-killing spectrum, herbicidal effect can be prevented and kill off annual and perennial grassy weeds such as lady's-grass, barnyard grass grass, green foxtail, eleusine indica, india lovegrass, moleplant seed, wild oat, bromegrass, barley, Bermuda grass well, and reed is had special efficacy.
The efficient fluazifop preparation of present domestic registration mainly be single agent emulsifiable solution and with other bactericide compounded missible oil, do not see the weed killer herbicide suspension agent composite with benazolin.
Benazolin, chemical name: 4-chloro-2,3-dihydro-2-oxidation-4,3-benzothiazole-3-guanidine-acetic acid ethyl ester is a conductivity weed killer herbicide behind a kind of special effect bud, and plant absorbs transporting to the whole plants body by blade after the dispenser, the same Vi par of the mode of action, just the drug effect performance slowly.Sensitive plant is subjected to growth retardation behind the medicine, and the blade deadlock is green, thickens warp, new leave distortion, and internode shortens, and is last dead, similar to the hormone herbicide symptom.In the drug resistance plant corpus, be degraded into the non-activity material.Be used for the rape field and prevent and kill off clearvers and chickweed, to rape safety, effective to broad leaved weed.Inhale conduction in having.Easily degraded in soil is to succession crop safety.
The benazolin preparation of present domestic registration mainly is composite missible oil, the suspending agent of single agent emulsifiable solution, suspending agent and other agricultural chemicals, does not see the weed killer herbicide suspension agent composite with efficient fluazifop.
Single agent product of above-mentioned two kinds of agricultural chemicals in use develops immunity to drugs at present, and drug effect descends much than before, and the control cost also obviously increases.
Summary of the invention
The objective of the invention is to overcome the defective of benazolin and efficient fluazifop list agent product, composite weed killer herbicide suspension agent of little benazolin of a kind of good drug efficacy, pesticide resistance and efficient fluazifop and preparation method thereof is provided.
For achieving the above object, the technical solution adopted in the present invention is:
The weed killer herbicide suspension agent that a kind of benazolin and efficient fluazifop are composite, formulated by following components in weight percentage: as to be 95% at the content of benazolin, the content of efficient fluazifop is under 98% the situation, benazolin 0.1%～40%, efficient fluazifop 0.1%～40%, defoamer 0.1%～2%, wetting agent 0.5%～20%, dispersant 0.5%～20%, antifreezing agent 0.1%～4%, thickener 0.1%～5%, pH value conditioning agent 0.1%～4%, stabilizing agent 0.1%～10%, bleeding agent 0.1%～5%, surplus are deionized water.
The ratio of the percentage by weight of described benazolin is 10%～40%, and the ratio of the percentage by weight of efficient fluazifop is 10%～40%.
The ratio of the percentage by weight of described defoamer is 0.2%～1.5%, and defoamer is organic silicone, silicone oil, polyethers, C
10～20Saturated fat acids, C
8～10In the aliphatic alcohols any one or multiple mixture.As AntifoamTS, Tegomer V-Si 4042, ZBH-305B, lauric acid, 16 carbonic acid etc.AntifoamTS is the product of Shanghai rising sun trade Co., Ltd.Tegomer V-Si 4042 fills in the product of company admittedly for German moral.ZBH-305B is the product of precious chemical industry Co., Ltd in the Qingdao.
The ratio of the percentage by weight of described wetting agent is 0.5%～4%, and wetting agent is one or more in alkylnaphthalene sulfonate, fatty acid amide N methyl taurine salt, alkylsulfonate, alkylaryl polyoxyethylene ether sulfate, the fat fatty alcohol-polyoxyethylene ether.As lauryl sodium sulfate, draw back powder, dodecyl sulphate barium, MorwetEFW, TERWET1004 etc.MorwetEFW is the product of Akzo Nobel (AKZO NOBEL) company.TERWET1004 selects the deliver a letter product of chemical industry Co., Ltd of Shanghai for use.
The ratio of the percentage by weight of described dispersant is 0.5%～4%, and dispersant is one or more in alkyl sodium salt, lignosulfonates and derivative thereof, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol-polyethenoxy and formaldehyde condensation products sulphate, polycarboxylate and derivative thereof, cresols-formaldehyde and sodium sulphite condensation product, alkylaryl sulfonates phenethyl phenol polyethenoxy ether and the derivative thereof etc.As sodium lignin sulfonate, MorwetD-425, MorwetD-110, TERSPENSE2425, TERSPENSE2700 etc.MorwetD-425, MorwetD-110 are the product of Akzo Nobel (AKZO NOBEL) company.
The ratio of the percentage by weight of described antifreezing agent is 0.5%～2%, and antifreezing agent is any one or the multiple mixture in ethylene glycol, propane diols, urea, the glycerine.
The ratio of the percentage by weight of described thickener is 0.5%～2%, and thickener is any one or the multiple mixture in xanthans, sodium carboxymethylcellulose, starch, pectin, the Magnesiumaluminumsilicate.The product that sodium carboxymethylcellulose selects for use Xinfeng, Dacheng County, Hebei province cellulose factory to produce.
The ratio of the percentage by weight of described pH value conditioning agent is 0.5%～2%, and the pH value conditioning agent is any one or the multiple mixture in citric acid, malic acid, the sodium bicarbonate.
The ratio of the percentage by weight of described stabilizing agent is 0.5%～2%, and stabilizing agent is 1,2-benzisothiazole-3-ketone, tributyl phosphate, 2,5-dimethyl-2, any one in the 4-hexadiene or multiple mixture; The ratio of the percentage by weight of described bleeding agent is 0.5%～2%, and bleeding agent is any one or the multiple mixture that draws back in powder, bleeding agent LS, the lauryl sodium sulfate.
The preparation method of the weed killer herbicide suspension agent that a kind of benazolin and efficient fluazifop are composite may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir;
2) in the material of step 1) gained, add benazolin and efficient fluazifop again, continue to stir;
3) with step 2) material of gained carries out sand milling, and the particle diameter of benazolin and efficient fluazifop is reached below 2.5 microns;
4) add thickener, stir.
The present invention have produce to store and safe in utilization, environmental pollution is little, low cost and other advantages.
The invention provides a kind of efficient, low toxicity, pollution-free, environment, people, animal safety and weeds be difficult for are produced composite weed killer herbicide suspension agent of the benazolin of resistance and efficient fluazifop and preparation method thereof, said preparation is with water to replace organic solvent, physics peptizaiton by high shear dispersion machine and horizontal sand mill, make benazolin and efficient fluazifop with the particle size dispersion below 2.5 microns in water, form milky suspension formulation.The preparation of this technology is simple, production cost is low.
Technical indicator of the present invention is:
The project indicator
Benazolin content 0.1%-40%;
Efficient fluazifop content 0.1%-40%;
Particle diameter (98%) 1-2 micron;
Suspensibility 〉=95%;
PH value
Heat storage stability (54 ± 2 ℃, 14 days)
Benazolin resolution ratio≤2%,
Efficient fluazifop resolution ratio≤1.5%.
Embodiment
The invention will be further described below by specific embodiment, but the present invention is not limited by following examples.
Embodiment 1
The weed killer herbicide suspension agent that a kind of benazolin and efficient fluazifop are composite, formulated by following components in weight percentage: as to be 95% at the content of benazolin, the content of efficient fluazifop is under 98% the situation, benazolin 40%, efficient fluazifop 20%, defoamer 1.5%, wetting agent 5%, dispersant 5%, antifreezing agent 0.6%, thickener 5%, pH value conditioning agent 0.3%, stabilizing agent 10%, bleeding agent 0.35%, surplus are deionized water.
Wherein, defoamer is AntifoamTS, and wetting agent is MorwetEFW, and dispersant is MorwetD-425, antifreezing agent is a propane diols, and thickener is a Magnesiumaluminumsilicate, and the pH value conditioning agent is a citric acid, stabilizing agent is 1, and 2-benzisothiazole-3-ketone, bleeding agent are bleeding agent LS.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add benazolin and efficient fluazifop again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of benazolin and efficient fluazifop is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 2
The weed killer herbicide suspension agent that a kind of benazolin and efficient fluazifop are composite, formulated by following components in weight percentage: as to be 95% at the content of benazolin, the content of efficient fluazifop is under 98% the situation, benazolin 30%, efficient fluazifop 20%, defoamer 0.1%, wetting agent 6%, dispersant 5%, antifreezing agent 0.2%, thickener 5%, pH value conditioning agent 0.2%, stabilizing agent 2.5%, bleeding agent 0.5%, surplus are deionized water.
Wherein, defoamer is Tegomer V-Si 4042, and wetting agent is MorwetEFW, and dispersant is MorwetD-425, antifreezing agent is a propane diols, and thickener is an xanthans, and the pH value conditioning agent is a citric acid, stabilizing agent is 1, the 2-benzisothiazole-3-ketone, and bleeding agent is for drawing back powder.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add benazolin and efficient fluazifop again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of benazolin and efficient fluazifop is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 3
The weed killer herbicide suspension agent that a kind of benazolin and efficient fluazifop are composite, formulated by following components in weight percentage: as to be 95% at the content of benazolin, the content of efficient fluazifop is under 98% the situation, benazolin 20%, efficient fluazifop 20%, defoamer 0.2%, wetting agent 5%, dispersant 6%, antifreezing agent 0.3%, thickener 4%, pH value conditioning agent 0.3%, stabilizing agent 2%, bleeding agent 0.8%, surplus are deionized water.
Wherein, defoamer is Tegomer V-Si 4042, and wetting agent is MorwetEFW, and dispersant is MorwetD-425, antifreezing agent is a propane diols, and thickener is an xanthans, and the pH value conditioning agent is a citric acid, stabilizing agent is 1, the 2-benzisothiazole-3-ketone, and bleeding agent is for drawing back powder.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add benazolin and efficient fluazifop again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of benazolin and efficient fluazifop is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 4
The weed killer herbicide suspension agent that a kind of benazolin and efficient fluazifop are composite, formulated by following components in weight percentage: as to be 95% at the content of benazolin, the content of efficient fluazifop is under 98% the situation, benazolin 10%, efficient fluazifop 40%, defoamer 2%, wetting agent 4%, dispersant 4%, antifreezing agent 0.5%, thickener 2%, pH value conditioning agent 2%, stabilizing agent 0.5%, bleeding agent 2%, surplus are deionized water.
Wherein, defoamer is ZBH-305B, and wetting agent is for drawing back powder, and dispersant is a sodium lignin sulfonate, and antifreezing agent is a urea, and thickener is a pectin, and the pH value conditioning agent is a malic acid, and stabilizing agent is a tributyl phosphate, and bleeding agent is a lauryl sodium sulfate.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add benazolin and efficient fluazifop again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of benazolin and efficient fluazifop is reached below 2.5 microns;
4) add thickener, stir.
Embodiment 5
The weed killer herbicide suspension agent that a kind of benazolin and efficient fluazifop are composite, formulated by following components in weight percentage: as to be 95% at the content of benazolin, the content of efficient fluazifop is under 98% the situation, benazolin 40%, efficient fluazifop 10%, defoamer 1.0%, wetting agent 0.5%, dispersant 0.5%, antifreezing agent 2%, thickener 0.5%, pH value conditioning agent 0.5%, stabilizing agent 1.0%, bleeding agent 4%, surplus are deionized water.
Wherein, defoamer is ZBH-305B, and wetting agent is a dodecyl sulphate barium, dispersant is a sodium lignin sulfonate, and antifreezing agent is the mixture of ethylene glycol and propane diols, and thickener is a pectin, the pH value conditioning agent is a sodium bicarbonate, and stabilizing agent is a tributyl phosphate, and bleeding agent is a lauryl sodium sulfate.
Preparation method of the present invention may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir by the high shear dispersion machine;
2) in the material of step 1) gained, add benazolin and efficient fluazifop again, continue to stir;
3) with step 2) material of gained sends into horizontal sand mill and carries out sand milling, and the particle diameter of benazolin and efficient fluazifop is reached below 2.5 microns;
4) add thickener, stir.
The foregoing description only is used to the inventive concept of the present invention of explaining, but not to the qualification of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.
Claims (10)
1. benazolin and the composite weed killer herbicide suspension agent of efficient fluazifop, it is characterized in that by following components in weight percentage formulated: be 95% at the content of benazolin, the content of efficient fluazifop is under 98% the situation, benazolin 0.1%～40%, efficient fluazifop 0.1%～40%, defoamer 0.1%～2%, wetting agent 0.5%～20%, dispersant 0.5%～20%, antifreezing agent 0.1%～4%, thickener 0.1%～5%, pH value conditioning agent 0.1%～4%, stabilizing agent 0.1%～10%, bleeding agent 0.1%～5%, surplus are deionized water.
2. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite is characterized in that: the ratio of the percentage by weight of described benazolin is 10%～40%, and the ratio of the percentage by weight of efficient fluazifop is 10%～40%.
3. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite is characterized in that: the ratio of the percentage by weight of described defoamer is 0.2%～1.5%, and defoamer is organic silicone, silicone oil, polyethers, C
10～20Saturated fat acids, C
8～10In the aliphatic alcohols any one or multiple mixture.
4. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite; it is characterized in that: the ratio of the percentage by weight of described wetting agent is 0.5%～4%, and wetting agent is one or more in alkylnaphthalene sulfonate, fatty acid amide N methyl taurine salt, alkylsulfonate, alkylaryl polyoxyethylene ether sulfate, the fat fatty alcohol-polyoxyethylene ether.
5. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite, it is characterized in that: the ratio of the percentage by weight of described dispersant is 0.5%～4%, and dispersant is one or more in alkyl sodium salt, lignosulfonates and derivative thereof, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol-polyethenoxy and formaldehyde condensation products sulphate, polycarboxylate and derivative thereof, cresols-formaldehyde and sodium sulphite condensation product, alkylaryl sulfonates phenethyl phenol polyethenoxy ether and the derivative thereof etc.
6. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite, it is characterized in that: the ratio of the percentage by weight of described antifreezing agent is 0.5%～2%, and antifreezing agent is any one or the multiple mixture in ethylene glycol, propane diols, urea, the glycerine.
7. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite, it is characterized in that: the ratio of the percentage by weight of described thickener is 0.5%～2%, and thickener is any one or the multiple mixture in xanthans, sodium carboxymethylcellulose, starch, pectin, the Magnesiumaluminumsilicate.
8. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite, it is characterized in that: the ratio of the percentage by weight of described pH value conditioning agent is 0.5%～2%, and the pH value conditioning agent is any one or the multiple mixture in citric acid, malic acid, the sodium bicarbonate.
9. the weed killer herbicide suspension agent that a kind of according to claim 1 benazolin and efficient fluazifop are composite, it is characterized in that: the ratio of the percentage by weight of described stabilizing agent is 0.5%～2%, stabilizing agent is 1,2-benzisothiazole-3-ketone, tributyl phosphate, 2,5-dimethyl-2, any one in the 4-hexadiene or multiple mixture; The ratio of the percentage by weight of described bleeding agent is 0.5%～2%, and bleeding agent is any one or the multiple mixture that draws back in powder, bleeding agent LS, the lauryl sodium sulfate.
10. preparation method of the composite weed killer herbicide suspension agent of benazolin and efficient fluazifop according to claim 1 is characterized in that may further comprise the steps:
1) earlier wetting agent, dispersant, pH value conditioning agent, bleeding agent, defoamer, stabilizing agent, antifreezing agent are proportionally joined in the deionized water, stir;
2) in the material of step 1) gained, add benazolin and efficient fluazifop again, continue to stir;
3) with step 2) material of gained carries out sand milling, and the particle diameter of benazolin and efficient fluazifop is reached below 2.5 microns;
4) add thickener, stir.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101166354A CN102217606A (en) | 2011-05-06 | 2011-05-06 | Herbicide suspension compounded by using benazolin and fluazifop-p-butyl and preparation method thereof |
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| CN2011101166354A CN102217606A (en) | 2011-05-06 | 2011-05-06 | Herbicide suspension compounded by using benazolin and fluazifop-p-butyl and preparation method thereof |
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Cited By (1)
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| CN110663687A (en) * | 2019-10-23 | 2020-01-10 | 河北天发生物科技有限公司 | Emulsifier and application of auxiliary agent containing emulsifier in pesticide preparation processing |
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| CN1513322A (en) * | 2003-07-28 | 2004-07-21 | 华南农业大学 | Rotenone and imidacloprid suspension concentrate and preparation method thereof |
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Application publication date: 20111019 |