CN1745636A - Aqueous emulsion containing monosultap and triazophos - Google Patents

Aqueous emulsion containing monosultap and triazophos Download PDF

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Publication number
CN1745636A
CN1745636A CN 200510112606 CN200510112606A CN1745636A CN 1745636 A CN1745636 A CN 1745636A CN 200510112606 CN200510112606 CN 200510112606 CN 200510112606 A CN200510112606 A CN 200510112606A CN 1745636 A CN1745636 A CN 1745636A
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CN
China
Prior art keywords
triazophos
aqueous emulsion
weight
desinsection list
hostathion
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 200510112606
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Chinese (zh)
Inventor
于国权
周治金
潘跃东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Changqing Agrochemical Co ltd
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Jiangsu Changqing Agrochemical Co ltd
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Application filed by Jiangsu Changqing Agrochemical Co ltd filed Critical Jiangsu Changqing Agrochemical Co ltd
Priority to CN 200510112606 priority Critical patent/CN1745636A/en
Publication of CN1745636A publication Critical patent/CN1745636A/en
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Abstract

An aqueous emulsion containing monosultap and triazophos comprises the above two effective components, emulsifier, stabilizer, antifreeze agent, thickener and solvent water. The pesticide composition comprises 10-60% by weight of monosultap as an active ingredient, 4-40% by weight of triazophos, 5-25% by weight of an emulsifier, 0.5-8% by weight of a stabilizer, 0.5-5% by weight of an antifreeze agent, 0.5-3% by weight of a thickener and the balance of water; the preferable scheme is that the pesticide composition contains 10-40% of monosultap as an active ingredient, 4-20% of triazophos, 5-25% of emulsifier, 0.5-8% of stabilizer, 0.5-5% of antifreeze, 0.5-3% of thickener and the balance of water. The product of the invention is applied to agricultural production for killing insects, and has the characteristics of wide insecticidal spectrum, good insecticidal effect and convenient use. Low toxicity to human and livestock, and environmental friendliness.

Description

A kind of aqueous emulsion that contains desinsection list and Hostathion
Technical field:
The present invention relates to a kind of aqueous emulsion, specifically, contain the aqueous emulsion that desinsection list and Hostathion are effective ingredient.
Background technology:
Pesticide emulsion in water (EW) is a kind of pesticides new formulation, be the water-fast solution that the former medicine of water-fast liquid state or solid-state former medicine is dissolved in the organic solvent gained, be scattered in the water, a kind of environmentally friendly type pesticidal preparations that forms, its outward appearance is an opaque and white emulsion, is a kind of oil-in-water type (O/W) emulsion.In the eighties in last century, data and the patent report of developing aqueous emulsion abroad just arranged, have part aqueous emulsion commodity the beginning of the nineties.
Desinsection list (molosultap), desinsection list are the similar thing insecticide of nereistoxin.Enter and transform into nereistoxin or dihydro nereistoxin in the insect bodies rapidly.Insecticidal spectrum is wide, insecticidal power is strong.Have strong stomach toxicity, tag and systemic action, have stifling and ovicidal action concurrently, mainly prevent and treat lepidoptera pest; Hostathion (Triazophos) is a kind of medium poison, broad-spectrum organophosphorous pesticide, has strong tagging and stomach poison function, good disinsection effect, and ovicidal action is obvious, and permeability is stronger, and no systemic action is is mainly prevented and treated lepidoptera pest.Above-mentioned two kinds of effective ingredients combination has the following advantages: (1) has improved the control efficiency to insect; (2) reduced toxicity, to the person poultry safety.
The aqueous emulsion of desinsection list of the present invention and Hostathion is compared with missible oil, wetting powder and had the following advantages: (1) is not owing to contain poisonous, inflammable organic solvent, unassured fiery fried dangerous, no unpleasant toxic odor, little to eye irritation, reduced pollution, improved safety greatly production, storing and user to environment; (2) water with cheapness is matrix, and manufacturing cost has the reduction of different amplitudes; (3) requirement to packing container also can not show a candle to the missible oil harshness, can reduce packing cost; (4) warm blooded animal toxicity is reduced greatly,, good to plant with other agricultural chemicals and fertilizer miscibilty than missible oil safety; (5) can reduce the drift of active ingredient and, make phenomenons such as the fruit powder comes off after vestiges after not having wetting powder to spray after using and missible oil spray the pollution of environment.
The present invention is the control of paddy rice resistant insect, especially rice-stem borer, and the paddy stem borer control provides highly effective approach.
The present invention has overcome Hostathion unsettled difficult problem in aqueous medium, for condition has been created in the exploitation of the water base property of Hostathion formulation.
Summary of the invention:
The present composition is a kind of pesticide emulsion in water.
The present composition contains effective ingredient desinsection list 10~60% weight ratios, Hostathion 4~40% weight ratios.Preferred version is that composition contains effective ingredient desinsection list 10~40% weight ratios, Hostathion 4~20% weight ratios.The present composition also comprises emulsifier 5~25% weight ratios, stabilizing agent 0.5~8% weight ratio, and antifreeze 0.5~5% weight ratio, thickener 0.5~3% weight ratio, surplus are water.
Emulsifier is selected from polyoxyethylene nonylphenol ether in the present composition, fatty alcohol-polyoxyethylene ether, castor oil polyoxyethylene ether, polyoxyethylene carboxylate, the phenethyl phenol polyethenoxy ether, alkylphenol polyoxyethylene, the alkylphenol polyoxyethylene formaldehyde condensation products, calcium dodecyl benzene sulfonate, dodecyl benzyl dimethyl ammonium chloride, special OPEO, the random ether altogether of alkylaryl polyoxyethylene polyoxypropylene, alkylphenol polyoxyethylene, the alkylphenol polyoxyethylene formaldehyde condensation products, the coconut oil alkanolamide, polyoxyethylene stearic acid ester, hard ester acid polyoxyethylene ester, lauric acid polyoxyethylene fat, the lauric acid polyoxyethylene ester, fatty alcohol-polyoxyethylene ether, fatty alcohol phosphate, aliphatic acid polyethenoxy ether, aliphatic acid polyethenoxy fat, one or more blended emulsifiers in the polyoxyethylene carboxylate.
Stabilizing agent is selected from a kind of in hydroquinones, expoxy propane phenyl ether, tbp, epoxychloropropane, the alkylphenol polyoxyethylene phosphate in the present composition.
Antifreeze is selected from one of ethylene glycol, polyethylene glycol, glycerine, urea in the present composition.
Thickener is selected from one of hydroxypropyl cellulose, hydroxyethylcellulose, xanthans, polyethylene glycol, polyvinyl alcohol, propyl cellulose, ethyl cellulose in the present composition.
Water is deionized water or distilled water in the present composition.
The present composition is by effective ingredient desinsection list and Hostathion, and being aided with emulsifier, stabilizing agent, antifreeze, thickener is that solvent is made through homogenize technology with water.Elder generation's former medicine of water dissolving desinsection list forms aqueous phase solution, in addition Hostathion and emulsifier are evenly formed oil-phase solution, then aqueous phase solution is slowly added oil-phase solution, do not stop simultaneously to stir, add antifreeze then, the water of surplus is fully sheared at clipper, adds thickener at last and fully mixes.
The present composition can use by common mode, as spraying.
The present composition can illustrate with following embodiment:
The preparation of embodiment 1 18% desinsection list aqueous emulsion of triazophos
Desinsection list 12% (weight)
Hostathion 6% (weight)
Fatty alcohol-polyoxyethylene ether 12% (weight)
Fatty alcohol phosphate 3% (weight)
Tbp 2%
Ethylene glycol 4%
Hydroxyethylcellulose 0.5%
Surplus is a water
To prepare 1000 grams, 18% desinsection list aqueous emulsion of triazophos is example: form aqueous phase solution with the 300 water-soluble former medicine of desinsection list (content 95%) 128 grams of separating earlier, in addition Hostathion (content 80%) 77.5 grams, fatty alcohol-polyoxyethylene ether 120 grams and fatty alcohol phosphate 30 grams are mixed the formation oil-phase solution, then aqueous phase solution is slowly added oil-phase solution, do not stop simultaneously to stir, add tbp 20 grams then successively, ethylene glycol 40 grams, water 279.5 grams, fully shear at clipper, add hydroxyethylcellulose 5 grams at last and fully mix.
The preparation of embodiment 2 30% desinsection list aqueous emulsion of triazophos
Desinsection list 22% (weight)
Hostathion 8% (weight)
Alkylphenol polyoxyethylene 10% (weight)
Alkylphenol polyoxyethylene formaldehyde condensation products 5% (weight)
Alkylphenol polyoxyethylene phosphate 2%
Glycerine 3%
Xanthans 0.5%
Surplus is a water
To prepare 1000 grams, 30% desinsection list aqueous emulsion of triazophos is example: form aqueous phase solution with the 400 water-soluble former medicine of desinsection list (content 95%) 236 grams of separating earlier, in addition Hostathion (content 80%) 102.5 grams, alkylphenol polyoxyethylene 100 grams and alkylphenol polyoxyethylene formaldehyde condensation products 50 grams are mixed the formation oil-phase solution, then aqueous phase solution is slowly added oil-phase solution, do not stop simultaneously to stir, add alkylphenol polyoxyethylene phosphate 20 grams then successively, glycerine 30 grams, water 56.5 grams, fully shear at clipper, add xanthans 5 grams at last and fully mix
The test of embodiment 3 18% desinsection list aqueous emulsion of triazophos heat storage stabilities
Heat storage stability comparing result in each product of active ingredient Hostathion (15 days 54 ℃):
Name of product Hostathion content (%) Resolution ratio (%)
Before the storage After the storage
18% desinsection list aqueous emulsion of triazophos (adding stabilizing agent alkylphenol polyoxyethylene phosphate 15%) 6.2 6.0 3.2
18% desinsection list aqueous emulsion of triazophos (adding stabilizing agent tbp 2%) 6.3 6.2 1.5
18% desinsection list aqueous emulsion of triazophos (adding stabilizing agent expoxy propane phenyl ether 2%) 6.2 5.9 4.8
18% desinsection list aqueous emulsion of triazophos (not adding any stabilizing agent) 6.2 0.4 93.5
*18% desinsection list aqueous emulsion of triazophos is pressed embodiment 1 described method preparation.
The result shows: the adding of stabilizing agent in 18% desinsection list aqueous emulsion of triazophos significantly improved the stability of Hostathion.
Embodiment 4 18% desinsection list aqueous emulsion of triazophos are to striped rice borer Toxicity Determination and formulation screening test
Plant protection system of Agricultural College Affiliated to Yangzhou Univ.
Reagent agent Regression equation LC50(μg/ml) Toxicity index Co-toxicity coefficient
The former powder of 90% desinsection list y=0.1371+2.0385x 331.13 1
20% triazophos emulsifiable solution y=2.0597+1.7918x 43.75 7.5687
18% kills single azoles phosphorus aqueous emulsion (15: 3) y=1.7304+1.5407x 132.50 2.0948 119.30
18% kills single azoles phosphorus aqueous emulsion (12: 6) y=2.1200+1.6065x 62.04 3.1896 167.34
18% kills single azoles phosphorus aqueous emulsion (9: 9) y=2.2231+1.5921x 55.49 4.2844 139.28
18% kills single azoles phosphorus aqueous emulsion (6: 12) y=2.0673+1.7304x 49.50 5.3791 124.36
18% kills single azoles phosphorus aqueous emulsion (3: 15) y=2.4853+1.5182x 45.33 6.4740 112.83
Test shows: 18% kills single azoles phosphorus aqueous emulsion (12: 6) co-toxicity coefficient maximum, and synergy is the most remarkable.
The embodiment 5 18% desinsection list aqueous emulsion of triazophos control rice-stem borer test of pesticide effectiveness
18% desinsection list aqueous emulsion of triazophos control rice-stem borer (generation), 1,2 instar larvae field control effectiveness test results:
(Luxian County, Sichuan in 2004)
The medicament title Consumption (gram/mu) Dead ears rate (%) Preventive effect (%)
18% kills single azoles phosphorus aqueous emulsion 120 0.26 95.65
18% kills single azoles phosphorus wetting powder 120 1.24 79.44
18% kills single azoles Emulphors oil 120 0.43 92.87
The former powder of 90% desinsection list 60 1.19 80.29
20% triazophos emulsifiable solution 120 0.27 95.22
Blank - 6.03
*18% desinsection list aqueous emulsion of triazophos is pressed embodiment 1 described method preparation, 18% desinsection list triazophos emulsifiable solution, and 18% desinsection list Hostathion wetting powder is to prepare according to a conventional method.
Result of the test shows: 18% desinsection list aqueous emulsion of triazophos has the better prevention effect to rice-stem borer.
The rice-stem borer control efficiency is better than the wetting powder and the missible oil of identical active constituent content.With the desinsection list with the Hostathion list agent compare, have obvious synergistic effect.
The embodiment 6 18% desinsection list aqueous emulsion of triazophos control paddy rice paddy stem borer test of pesticide effectiveness
18% desinsection list aqueous emulsion of triazophos control paddy rice paddy stem borer (two generations), 1,2 instar larvae field control effectiveness test results:
(Luxian County, Sichuan in 2004)
The medicament title Consumption (gram/mu) Withered heart rate (%) Preventive effect (%)
18% kills single azoles phosphorus aqueous emulsion 120 0.17 97.37
18% kills single azoles phosphorus wetting powder 120 1.57 75.04
18% kills single azoles Emulphors oil 120 0.93 85.21
The former powder of 90% desinsection list 60 1.11 82.41
20% triazophos emulsifiable solution 120 0.27 95.62
Blank - 6.29 -
*18% desinsection list aqueous emulsion of triazophos is pressed embodiment 1 described method preparation, 18% desinsection list triazophos emulsifiable solution, and 18% desinsection list Hostathion wetting powder is to prepare according to a conventional method.
Result of the test shows: 18% desinsection list aqueous emulsion of triazophos has good control efficiency to the paddy rice paddy stem borer.Paddy rice paddy stem borer control efficiency is better than the wetting powder and the missible oil of identical active constituent content.With the desinsection list with the Hostathion list agent compare, have obvious synergistic effect.
The embodiment 7 18% desinsection list aqueous emulsion of triazophos control rice-stem borer test of pesticide effectiveness
18% desinsection list aqueous emulsion of triazophos control rice-stem borer larva field control effectiveness test result:
(Tianmen, Hubei in 2004)
The medicament title Consumption (gram/mu) Withered heart rate (%) Preventive effect (%)
18% kills single azoles phosphorus aqueous emulsion 120 0.65 86.29
18% kills single azoles phosphorus wetting powder 120 2.97 37.87
18% kills single azoles Emulphors oil 120 1.28 73.22
The former powder of 90% desinsection list 60 2.28 52.14
20% triazophos emulsifiable solution 120 0.71 84.97
Blank - 4.78 -
*18% desinsection list aqueous emulsion of triazophos is pressed embodiment 1 described method preparation, 18% desinsection list triazophos emulsifiable solution, and 18% desinsection list Hostathion wetting powder is to prepare according to a conventional method.
Result of the test shows: 18% desinsection list aqueous emulsion of triazophos has the better controlled effect to rice-stem borer, to crop safety.The rice-stem borer control efficiency is better than the wetting powder and the missible oil of identical active constituent content.
The embodiment 6 18% desinsection list aqueous emulsion of triazophos control paddy rice paddy stem borer test of pesticide effectiveness
18% desinsection list aqueous emulsion of triazophos control paddy rice paddy stem borer larva field control effectiveness test result:
(Jianli, Hubei in 2004)
The medicament title Consumption (gram/mu) Withered heart rate (%) Preventive effect (%)
18% kills single azoles phosphorus aqueous emulsion 120 0.47 90.18
18% kills single azoles phosphorus wetting powder 120 1.05 77.17
18% kills single azoles Emulphors oil 120 0.71 84.57
The former powder of 90% desinsection list 60 1.25 72.03
20% triazophos emulsifiable solution 120 0.60 86.24
Blank - 4.60 -
*18% desinsection list aqueous emulsion of triazophos is pressed embodiment 1 described method preparation, 18% desinsection list triazophos emulsifiable solution, and 18% desinsection list Hostathion wetting powder is to prepare according to a conventional method.
Result of the test shows: 18% desinsection list aqueous emulsion of triazophos has the better controlled effect to the paddy rice paddy stem borer, and its preventive effect all is higher than two contrast medicaments.Control efficiency is better than the wetting powder and the missible oil of identical active constituent content.

Claims (3)

1. an aqueous emulsion that contains desinsection list and Hostathion is characterized in that, wherein comprises above-mentioned two active ingredients and is aided with emulsifier, stabilizing agent, antifreeze, thickener and aqueous solvent.
2. according to the Pesticidal combination of claim 1, it is characterized in that, wherein contain effective ingredient desinsection list 10~60% weight ratios, Hostathion 4~40% weight ratios.Preferred version is for wherein containing effective ingredient desinsection list 10~40% weight ratios, Hostathion 4~20% weight ratios
3. according to the Pesticidal combination of claim 1 or 2, it is characterized in that, emulsifier 5~25% weight ratios that contain in the aqueous emulsion, stabilizing agent 0.5~8% weight ratio, antifreeze 0.5~5% weight ratio, thickener 0.5~3% weight ratio, surplus are water.
CN 200510112606 2005-10-11 2005-10-11 Aqueous emulsion containing monosultap and triazophos Pending CN1745636A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 200510112606 CN1745636A (en) 2005-10-11 2005-10-11 Aqueous emulsion containing monosultap and triazophos

Publications (1)

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CN1745636A true CN1745636A (en) 2006-03-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100446668C (en) * 2006-11-13 2008-12-31 山东寿光双星农药有限公司 Bottled pesticide, and producing method
CN108041081A (en) * 2017-12-01 2018-05-18 陕西日日新生物科技有限公司 A kind of plant insecticide composition and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100446668C (en) * 2006-11-13 2008-12-31 山东寿光双星农药有限公司 Bottled pesticide, and producing method
CN108041081A (en) * 2017-12-01 2018-05-18 陕西日日新生物科技有限公司 A kind of plant insecticide composition and preparation method thereof

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