CN105052931A - Synergistic water emulsion for weeding - Google Patents
Synergistic water emulsion for weeding Download PDFInfo
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- CN105052931A CN105052931A CN201510497846.5A CN201510497846A CN105052931A CN 105052931 A CN105052931 A CN 105052931A CN 201510497846 A CN201510497846 A CN 201510497846A CN 105052931 A CN105052931 A CN 105052931A
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- weeding
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Abstract
The invention relates to a synergistic water emulsion for weeding. The synergistic water emulsion comprises components in percentage by mass as follows: 10%-50% of an effective weeding ingredient, 0%-40% of an environment-friendly solvent, 4%-10% of a surfactant, 10%-20% of a synergist, 1%-3% of a stabilizer, 1%-5% of an anti-freezing agent and the balance of deionized water. A preparation method comprises steps as follows: the effective weeding ingredient is dissolved in the environment-friendly solvent, the surfactant, the synergist, the stabilizer and the like are added after the effective weeding ingredient is sufficiently dissolved, an oil phase is obtained, other components are mixed with water, and a finished product is prepared under the high-shearing condition of the oil phase and the water phase. Compared with the prior art, the synergistic water emulsion for weeding is environment-friendly, the special synergistic auxiliary agent for weeding is added, and the synergistic water emulsion has wide production and application prospects.
Description
Technical field
The invention belongs to field of pesticide preparation, be specifically related to a kind of synergistic aqueous emulsion for weeding.
Background technology
Preparation Forms of Modern Pesticide towards water baseization, ultramicronising, without efflorescence and Co ntrolled release aspect development, namely be the formulations of pesticide of matrix with water, wherein aqueous emulsion be a kind of organic solvent can less with even not using, the novel pesticide formulation of environmentally-friendly water-basedization, be also a kind of excellent liquid dosage form replacing emulsifiable concentrates for agricultural chemicals.But, owing to instead of majority of organic solvent with water, its drug effect is made to be starkly lower than the cream preparation of equal volume, so, a kind of synergistic aqueous emulsion for weeding of the present invention has efficiently, low toxicity, environmentally friendly, person poultry safety, the feature of easy degraded, compared with traditional missible oil, herbicidal effect improves more than 30%, and builder mostly is plant oil, there is not the problems such as environmental pollution, and the present invention adopts the solvent of low toxicity, greatly reduce organic solvent to the pollution of human body and environment and residual, avoid producing in production polluting, explosive and poisoning problem, make that pesticide processing is low to be poisoned, ensure the mankind and mammiferous safety and health.
Summary of the invention
The object of this invention is to provide a kind of low toxicity, environmentally friendly, person poultry safety, the weed killer herbicide aqueous emulsion of easily degraded, synergy, and preparation technology of the present invention is simple, cost is low, be convenient to processing and production.
Of the present inventionly to be achieved through the following technical solutions: a kind of synergistic aqueous emulsion for weeding: the mass percentage content of each component is: weeding active ingredient 1-50%, environmentally friendly solvent 0%-40%, surfactant 4-10%, synergist 10%-20%, stabilizing agent 1%-3%, antifreezing agent 1%-5%, surplus is deionized water.
Described weeding active ingredient is the mixing of one or more in cyhalofop-butyl, clodinafop-propargyl, clethodim, fenoxaprop, Quizalotop-ethyl, bentazone, Evil humulone, haloxyfop-r-methyl, metamifop, fluoroglycofen-ethyl, the third careless amine, butachlor, Pendimethalin.
Described synergist is the mixing of one or more in pungent methyl caprate, palm oil methyloctanoic acid methyl esters, palm oil methyl methyl caprate, peanut oil, epoxidized soybean oil, corn oil, sesame oil, rapeseed oil, mineral oil, methyl oleate, loose base ester vegetable oil.
Described environmentally friendly solvent is the mixing of one or more in solvent naphtha 100#, solvent naphtha 150#, solvent naphtha 200#, ethanol, n-butanol, 2-butyl acetate, NOP, repefral, diethyl phthalate, dibutyl phthalate.
Described surfactant is the mixing of one or more in alkylphenol polyoxyethylene, styryl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, alkaryl phenol polyethenoxy ether phosphate, castor oil polyoxyethylene ether, alkylbenzenesulfonate, alkylphenol-polyethenoxy phosphate, polyoxyethylene sorbitan fatty acid ester, fatty alcohol-polyoxyethylene ether, disecoctylmaleate sodium sulfonate, polyol fatty acid ester and ethylene oxide adduct thereof.
Described stabilizing agent is the mixing of one or more in epoxychloropropane, antioxidant 264, epoxidized soybean oil, epoxidized linseed oil, epoxy fat, pentaerythrite, xylitol, 2,6-di-tert-butyl-4-methy phenols, butylated hydroxy anisole.
Described antifreezing agent is one or both the mixing in ethylene glycol, propane diols, glycerine, diethylene glycol.
A kind of preparation method of the synergistic aqueous emulsion for weeding: weed killer herbicide active ingredient is dissolved in environmentally friendly solvent, after abundant dissolving completes, add surfactant, builder, stabilizing agent etc. again and obtain oil phase, antifreezing agent and water are mixed to get aqueous phase, under high speed shear condition, oil phase is slowly added in aqueous phase, shear and obtain finished product in 40 minutes.
A kind of synergistic aqueous emulsion for weeding of the present invention as the water base chemical preparation of one, compared with prior art, its dosage form is efficient, low toxicity, environmentally friendly, person poultry safety, not easily develop immunity to drugs.In addition, a kind of synergistic aqueous emulsion preparation stable performance for weeding, easily degrades, and the technological process of production is simple, investment and cost of equipment low, can carry out production strictly in line with rules and regulations.
Embodiment
In order to understand essence of the present invention better; below in conjunction with embodiment, content of the present invention is described in further detail; content mentioned in embodiment is not limitation of the invention; the following stated is only for explaining the present invention; for not departing from amendment that the present invention's spirit and principle make, replacement or improvement, all belong to the scope of protection of present invention.
Embodiment 1
According to technical scheme of the present invention, take 97% cyhalofop-butyl active compound 25.78g, solvent naphtha 150#15g, both mixing, fully dissolve, add castor oil polyoxyethylene ether 2g, fatty alcohol-polyoxyethylene ether 2g, peanut oil 15g, mix and obtain oil phase; Accurately taking ethylene glycol 4.0g adds in deionized water, makes aqueous phase after fully stirring in preparation still; Under high speed shear condition, oil phase is slowly joined in aqueous phase, shear 10 minutes, obtain milky 25% aqueous cyhalofop-butyl emulsion of 100g for 7000 revs/min.
Adopt above-mentioned 25% aqueous cyhalofop-butyl emulsion to be used for preventing and kill off paddy field moleplant seed, the test of pesticide effectiveness the results are shown in Table 1.
Table 1, the present invention 25% aqueous cyhalofop-butyl emulsion test of pesticide effectiveness result
Field control effectiveness test shows, the present invention 25% aqueous cyhalofop-butyl emulsion mu consumption 40 grams preventive effect after seven days is apparently higher than commercially available aqueous emulsion and missible oil, preventive effect reaches 80.8%, during mu consumption 50 grams, preventive effect reaches 85.9%, reach 93.5% after first quarter moon, be obviously better than 84.5% of commercially available missible oil and 81.5% of commercially available aqueous emulsion, as can be seen here, it is obvious that aqueous cyhalofop-butyl emulsion of the present invention prevents and kill off synergy on paddy rice moleplant seed, and environmentally friendly.
Embodiment 2
According to technical scheme of the present invention, take the former medicine 21.06g of 95% clodinafop-propargyl, solvent naphtha 200#20g, cloquintocetmexyl 3.75g, three mixes, abundant dissolving, adds polyoxyethylene sorbitan fatty acid ketone 3g, fatty alcohol-polyoxyethylene ether 2.5g, palm oil methyloctanoic acid methyl esters 10g, palm oil methyl methyl caprate 10g, mixes and obtain oil phase; Accurately taking propane diols 4.0g adds in deionized water, makes aqueous phase after fully stirring in preparation still; Under high speed shear condition, oil phase is slowly joined in aqueous phase, shear 10 minutes, obtain milky 20% clodinafop-propargylemulsion emulsion in water of 100g for 7000 revs/min.
Adopt above-mentioned 20% clodinafop-propargylemulsion emulsion in water to be used for preventing and kill off wheat paddock annual gramineous weed, the test of pesticide effectiveness the results are shown in Table 2.
Table 2, the present invention 20% clodinafop-propargylemulsion emulsion in water test of pesticide effectiveness result
Field control effectiveness test shows, the present invention 20% clodinafop-propargylemulsion emulsion in water mu consumption 20 grams preventive effect after seven days is apparently higher than commercially available aqueous emulsion and missible oil, preventive effect reaches 81.9%, during mu consumption 25 grams, preventive effect reaches 88.5%, reach 96.8% after first quarter moon, be obviously better than 87.1% of commercially available missible oil and 81.7% of commercially available aqueous emulsion, as can be seen here, it is obvious that clodinafop-propargylemulsion emulsion in water of the present invention prevents and kill off the synergy of wheat paddock annual gramineous weed, and environmentally friendly.
Embodiment 3
According to technical scheme of the present invention, take the former medicine 29.48g of 95% haloxyfop-r-methyl, 2-butyl acetate 15g, both mixing, fully mix, add styryl phenol polyethenoxy ether 2.5g, alkylaryl polyoxyethylene polyoxypropylene ether 3g, pungent methyl caprate 15g, mix and obtain oil phase; Accurately taking ethylene glycol 3.0g adds in deionized water, makes aqueous phase after fully stirring in preparation still; Under high speed shear condition, oil phase is slowly joined in aqueous phase, shear 10 minutes, obtain the milky 28% effective haloxyfop water emulsion of 100g for 7000 revs/min.
Adopt above-mentioned 28% effective haloxyfop water emulsion to be used for preventing and kill off Soybean Field annual gramineous weed, the test of pesticide effectiveness the results are shown in Table 3.
Table 3, the present invention 28% effective haloxyfop water emulsion test of pesticide effectiveness result
Field control effectiveness test shows, the present invention 28% effective haloxyfop water emulsion mu consumption 15 grams preventive effect after seven days is apparently higher than commercially available aqueous emulsion and missible oil, preventive effect reaches 82.7%, during mu consumption 20 grams, preventive effect reaches 89.5%, reach 97.8% after first quarter moon, be obviously better than 88.9% of commercially available missible oil and 82.8% of commercially available aqueous emulsion, as can be seen here, it is obvious that the synergy of Soybean Field annual gramineous weed prevented and kill off by effective haloxyfop water emulsion of the present invention, and environmentally friendly.
Embodiment 4
According to technical scheme of the present invention, take the former medicine 21.06g of 95% Quizalotop-ethyl, solvent naphtha 100#25g, both mixing, fully mix, add styryl phenol polyethenoxy ether 2.5g, alkylaryl polyoxyethylene polyoxypropylene ether 3g, mineral oil 15g, mix and obtain oil phase; Accurately taking ethylene glycol 3.0g adds in deionized water, makes aqueous phase after fully stirring in preparation still; Under high speed shear condition, oil phase is slowly joined in aqueous phase, shear 10 minutes, obtain milky 20% quizalofop-p-ethyl emulsion in water of 100g for 7000 revs/min.
Adopt above-mentioned 20% quizalofop-p-ethyl emulsion in water to be used for preventing and kill off winter rape field annual gramineous weed, the test of pesticide effectiveness the results are shown in Table 4.
Table 4, the present invention 20% quizalofop-p-ethyl emulsion in water test of pesticide effectiveness result
Field control effectiveness test shows, the present invention 20% quizalofop-p-ethyl emulsion in water mu consumption 18 grams preventive effect after seven days is apparently higher than commercially available aqueous emulsion and missible oil, preventive effect reaches 84.8%, during mu consumption 23 grams, preventive effect reaches 89.5%, reach 98.7% after first quarter moon, be obviously better than 89.8% of commercially available missible oil and 83.7% of commercially available aqueous emulsion, as can be seen here, it is obvious that quizalofop-p-ethyl emulsion in water of the present invention prevents and kill off the annual gramineous weed synergy of winter rape field, and environmentally friendly.
Claims (8)
1. for a synergistic aqueous emulsion for weeding, it is characterized in that: the mass percentage content of each component is: weeding active ingredient 1-50%, environmentally friendly solvent 0%-40%, surfactant 4-10%, synergist 10%-20%, stabilizing agent 1%-3%, antifreezing agent 1%-5%, surplus is deionized water.
2. a kind of synergistic aqueous emulsion for weeding according to claim 1, is characterized in that: described weeding active ingredient is the mixing of one or more in cyhalofop-butyl, clodinafop-propargyl, clethodim, fenoxaprop, Quizalotop-ethyl, bentazone, Evil humulone, haloxyfop-r-methyl, metamifop, fluoroglycofen-ethyl, the third careless amine, butachlor, Pendimethalin.
3. a kind of synergistic aqueous emulsion for weeding according to claim 1, is characterized in that: described synergist is the mixing of one or more in pungent methyl caprate, palm oil methyloctanoic acid methyl esters, palm oil methyl methyl caprate, peanut oil, epoxidized soybean oil, corn oil, sesame oil, rapeseed oil, mineral oil, methyl oleate, loose base ester vegetable oil.
4. a kind of synergistic aqueous emulsion for weeding according to claim 1, is characterized in that: described environmentally friendly solvent is the mixing of one or more in solvent naphtha 100#, solvent naphtha 150#, solvent naphtha 200#, ethanol, n-butanol, 2-butyl acetate, NOP, repefral, diethyl phthalate, dibutyl phthalate.
5. a kind of synergistic aqueous emulsion for weeding according to claim 1, it is characterized in that: described surfactant is alkylphenol polyoxyethylene, styryl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, alkaryl phenol polyethenoxy ether phosphate, castor oil polyoxyethylene ether, alkylbenzenesulfonate, alkylphenol-polyethenoxy phosphate, polyoxyethylene sorbitan fatty acid ester, fatty alcohol-polyoxyethylene ether, disecoctylmaleate sodium sulfonate, the mixing of one or more in polyol fatty acid ester and ethylene oxide adduct thereof.
6. a kind of synergistic aqueous emulsion for weeding according to claim 1, it is characterized in that: described stabilizing agent is the mixing of one or more in epoxychloropropane, antioxidant 264, epoxidized soybean oil, epoxidized linseed oil, epoxy fat, pentaerythrite, xylitol, 2,6-di-tert-butyl-4-methy phenols, butylated hydroxy anisole.
7. a kind of synergistic aqueous emulsion for weeding according to claim 1, is characterized in that: described antifreezing agent is one or both the mixing in ethylene glycol, propane diols, glycerine, diethylene glycol.
8. the preparation method for the synergistic aqueous emulsion of weeding: weed killer herbicide active ingredient is dissolved in environmentally friendly solvent, after abundant dissolving completes, add surfactant, builder, stabilizing agent etc. again and obtain oil phase, antifreezing agent and water are mixed to get aqueous phase, under high speed shear condition, oil phase is slowly added in aqueous phase, shear and obtain finished product in 40 minutes.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106035350A (en) * | 2016-05-27 | 2016-10-26 | 创新美兰（合肥）股份有限公司 | Cyhalofop-butyl, metamifop and bentazone compounded dispersible oil suspended agent and preparation method thereof |
| CN106472493A (en) * | 2016-08-31 | 2017-03-08 | 江苏省农垦生物化学有限公司 | 10% aqueous cyhalofop-butyl emulsion and preparation method thereof |
| CN106538518A (en) * | 2016-10-26 | 2017-03-29 | 安徽科技学院 | A kind of clodinafop-propargylemulsion emulsion in water and preparation method thereof |
| CN106577753A (en) * | 2016-12-12 | 2017-04-26 | 安徽常泰化工有限公司 | Composite herbicide used for agriculture and forestry |
| CN109221244A (en) * | 2018-10-21 | 2019-01-18 | 江苏长青生物科技有限公司 | Glufosinate-ammonium and the micro emulsion herbicide of fluoroglycofen-ethyl component and preparation method thereof |
| CN109221187A (en) * | 2018-09-28 | 2019-01-18 | 绩溪农华生物科技有限公司 | A kind of disinsection aqueous emulsion and preparation method thereof containing avermectin |
| CN110800751A (en) * | 2019-12-13 | 2020-02-18 | 江西正邦作物保护有限公司 | Pesticide composition containing metamifop and piperonyl butoxide and application thereof |
| CN111109305A (en) * | 2019-12-31 | 2020-05-08 | 潍坊友容实业有限公司 | Saline-alkali soil herbicide containing citrus extract and preparation method thereof |
| CN111165474A (en) * | 2019-12-31 | 2020-05-19 | 苏州丰倍生物科技有限公司 | Pesticide dissolution promoter, application thereof and high-content preparation |
| CN111466388A (en) * | 2020-05-09 | 2020-07-31 | 侨昌现代农业有限公司 | Compound herbicide for green Chinese onion fields |
| TWI822071B (en) * | 2021-06-26 | 2023-11-11 | 大陸商南通江山農藥化工股份有限公司 | Herbicidal composition formulations and uses thereof |
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| CN1618289A (en) * | 2004-09-30 | 2005-05-25 | 吴炜 | Weed killer |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106035350A (en) * | 2016-05-27 | 2016-10-26 | 创新美兰（合肥）股份有限公司 | Cyhalofop-butyl, metamifop and bentazone compounded dispersible oil suspended agent and preparation method thereof |
| CN106472493A (en) * | 2016-08-31 | 2017-03-08 | 江苏省农垦生物化学有限公司 | 10% aqueous cyhalofop-butyl emulsion and preparation method thereof |
| CN106538518A (en) * | 2016-10-26 | 2017-03-29 | 安徽科技学院 | A kind of clodinafop-propargylemulsion emulsion in water and preparation method thereof |
| CN106577753A (en) * | 2016-12-12 | 2017-04-26 | 安徽常泰化工有限公司 | Composite herbicide used for agriculture and forestry |
| CN109221187A (en) * | 2018-09-28 | 2019-01-18 | 绩溪农华生物科技有限公司 | A kind of disinsection aqueous emulsion and preparation method thereof containing avermectin |
| CN109221244A (en) * | 2018-10-21 | 2019-01-18 | 江苏长青生物科技有限公司 | Glufosinate-ammonium and the micro emulsion herbicide of fluoroglycofen-ethyl component and preparation method thereof |
| CN110800751A (en) * | 2019-12-13 | 2020-02-18 | 江西正邦作物保护有限公司 | Pesticide composition containing metamifop and piperonyl butoxide and application thereof |
| CN111109305A (en) * | 2019-12-31 | 2020-05-08 | 潍坊友容实业有限公司 | Saline-alkali soil herbicide containing citrus extract and preparation method thereof |
| CN111165474A (en) * | 2019-12-31 | 2020-05-19 | 苏州丰倍生物科技有限公司 | Pesticide dissolution promoter, application thereof and high-content preparation |
| CN111466388A (en) * | 2020-05-09 | 2020-07-31 | 侨昌现代农业有限公司 | Compound herbicide for green Chinese onion fields |
| TWI822071B (en) * | 2021-06-26 | 2023-11-11 | 大陸商南通江山農藥化工股份有限公司 | Herbicidal composition formulations and uses thereof |
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Application publication date: 20151118 |