CN101946764A - Electrostatic spraying liquid formulation of emamectin benzoate and hexaflumuron binary composite and preparation method thereof - Google Patents

Electrostatic spraying liquid formulation of emamectin benzoate and hexaflumuron binary composite and preparation method thereof Download PDF

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Publication number
CN101946764A
CN101946764A CN2010102625127A CN201010262512A CN101946764A CN 101946764 A CN101946764 A CN 101946764A CN 2010102625127 A CN2010102625127 A CN 2010102625127A CN 201010262512 A CN201010262512 A CN 201010262512A CN 101946764 A CN101946764 A CN 101946764A
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Prior art keywords
parts
electrostatic spray
fluorine bell
dimension salt
spray liquor
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CN2010102625127A
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CN101946764B (en
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零春华
王群利
李耀秀
宋琳
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Shandong Lixing Chemical Co.,Ltd.
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Guangxi Tianyuan Biochemical Co Ltd
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Abstract

The invention relates to an electrostatic spraying liquid formulation of a binary composite with effective constituents of emamectin benzoate and hexaflumuron and a preparation method thereof. The electrostatic spraying liquid formulation comprises the following components in parts by weight: 0.1-20.0 parts of emamectin benzoate, 0.1-20.0 parts of hexaflumuron, 1.0-8.0 parts of conductive agents, 1.0-10.0 parts of cosolvents and the balance of solvents. The electrostatic spraying liquid formulation has the advantages of convenient processing, low cost, good pesticide effect, long durative efficacy and high work efficiency and can reduce the environmental pollution, enhances the utilization rate of pesticides, decreases the pesticide consumption, and is suitable for electrostatic spraying.

Description

First dimension salt and fluorine bell urea binary composition electrostatic spray liquor and preparation method thereof
Technical field
The present invention relates to first dimension salt (active ingredient I hereinafter referred to as) and fluorine bell urea (active ingredient II hereinafter referred to as) and be the electrostatic spray liquor and preparation method thereof of the binary Pesticidal combination of active ingredient, belong to the pesticidal preparations field.
Background technology
First dimension salt (emamectin benzoate) as active ingredient I is a kind of new and effective semisynthetic antibiotics insecticide that begins to synthesize from fermented product Avermectin B1, has super-high-efficient, low toxicity, noresidue, the nuisanceless characteristics that wait biopesticide.Its mechanism of action is to hinder that the pest movements nerve information transmits and paralysis is dead, and the mode of action is based on stomach toxicity, action of contace poison, no systemic action, but can effectively infiltrate crop epidermal tissue.It can be used for preventing and treating various pests such as pear sucker, cabbage caterpillar, diamond-back moth, beet armyworm, cotton bollworm, oriental tobacco budworm, leaf miner, Liriomyza, Americal rice leaf miner.
Fluorine bell urea (hexaflumuron) as active ingredient II belongs to the benzoyl urea insecticide, is chitin synthesis inhibitor.Fluorine bell urea has very high desinsection and ovicidal activity and quick-acting, and its mechanism of action is effectively suppress insect chitin synthetic, hinders the insect growth of normally casting off a skin, and the mode of action has action of contace poison concurrently based on stomach poison function.It can be used for preventing and treating various pests such as wild cabbage diamond-back moth, prodenia litura, cabbage caterpillar, citrus leaf-miner, apple leaf miner, heart-eating worm, pine caterpillars, especially cotton bollworm is had special efficacy.
The existing preparation of above binary Pesticidal combination mainly contains missible oil, microemulsion, water dispersible granules and wetting powder etc.And first dimension salt and fluorine bell urea binary composition electrostatic spray liquor do not appear in the newspapers both at home and abroad.
Two kinds of mixing active ingredients proportionings are I: II=1: 10 to 1: 100, be preferably 1: 10 to 1: 50 composition.
The electrostatic spray liquor is low by the screening volatility, flash-point is high, to former medicine dissolubility height,, organic solvent that viscosity low lower to chemical injury of crops, not to water,, but directly use during dispenser with electrostatic sprayer generally also not to other organic solvents.Electrostatic spray makes the droplet of each ejection all have electrostatic charge, be easier to be caught by target, than general finish deposition height, penetrability to target such as plant strain canopy is more superior, so efficient especially with economize medicine, it is one of present target hit rate is the highest, environmental pollution the is minimum formulations of pesticide and using method.And not containing the high volatile volatile composition in the droplet, its size does not have significant change with quality from leave facility arrival target process, reduced volatilization and drift.Droplet is tiny and even, meets " biological optimum grain-diameter " requirement, has significantly improved deposition.The electrostatic spray liquor directly uses and need not be to water, is specially adapted to water scarcity, damage by disease and insect and belongs to fulminant and big, the occasion that must dispenser on a large scale in the short time of area takes place.
The electrostatic spray technology is that applying high voltage static is set up an electrostatic field between shower nozzle and spraying target, and agricultural chemicals liquid is flowed through after the shower nozzle atomizing, filled with electric charge by different charging methods, form colony's charged droplets, then under the synergy of electrostatic field force and other external force, droplet is done directed movement and is adsorbed on each position of target, reaches good performances such as deposition efficiency height, float of mist droplet scatter and disappear less, improve the ecological environment.Atomization of liquid mechanism more complicated under the electrostatic field, it has been generally acknowledged that: electrostatic interaction can reduce surface tension of liquid, reduces the resistance that atomizes, simultaneously, repulsive interaction generation between the same sex electric charge additional external and internal pressure opposite with surface tension is poor, thereby improves fogging degree.
The droplet charging has three kinds of modes: (1) corona charging method, utilize the electrostatic high-pressure corona to make droplet charged; (2) contact mise-a-la-masse method directly places soup to the static high voltage, is charged droplet after the nozzle ejection; (3) inductive charging method is externally under the voltage electric field action, utilizes the electric field between electrode and soup jet to make droplet charged.
The electrostatic spray technology has the following advantages:
1. electrostatic spray has the effect of outflanking, point effect, penetration effect, the target crop is covered evenly the deposition height.The droplet that electrostatic spray forms has same sex electric charge, in spatial movement, repel mutually, do not condense, the induction of charged droplet makes the outside of crop produce the charges of different polarity, under the effect of electric field force, droplet is adsorbed onto the positive and negative of crop fast, has improved the deposition of agricultural chemicals on the target crop, has improved the uniformity of agricultural chemicals deposition.Agricultural chemicals improves more than 36% than conventional spraying at the deposition on the crop surface, and leaf back side agricultural chemicals deposition is tens times of conventional spraying, and crop top, middle part and root agricultural chemicals deposition distributing homogeneity all are significantly increased.More much lower at the deposition that vegetable protecting field adopts electrostatic spray, droplet to drop on the electrical insulator plastic film than conventional spraying, can improve the deposition of droplet on plant, effectively utilize agricultural chemicals, reduce drift and be deposited in loss on the plastic film.
2. improve the availability of agricultural chemicals, reduce the usage amount of agricultural chemicals, reduce the control cost.The footpath generally about 45 μ m, can reduce mist droplet particle size effectively in the electrostatic spray droplet volume, improves the spectrum of fog drop uniformity, meets biological optimum grain-diameter theory, is easy to be caught by target.When electrostatic potential was 20KV, it is about 10% that mist droplet particle size reduces, and the spectrum of fog drop uniformity improves about 5%.Significantly increase the chance that droplet contacts with damage by disease and insect, improved extermination of disease and insect pest effect (similarity condition improves more than 2 times than conventional spraying down) exponentially.And finish has affinity to insect body wall, is easy to penetrate body wall and enters in the pest body, make insect fast in fluorine bell urea.Dosage is saved more than 30% than conventional spraying.
3. little to water source, environmental influence, reduced the pollution of agricultural chemicals to environment.The electrostatic spray spouting liquid is few, and every mu only is 60~150mL, only is more than one percent of conventional spraying, and the suction-operated of electric field force reduced the drift of agricultural chemicals, makes agricultural chemicals availability height, has avoided the agricultural chemicals loss, has reduced the pollution of agricultural chemicals to environment.
4. the electrostatic spray lasting period is long.Charged droplet high adsorption capacity on crop, and comprehensively evenly, dispenser efficient height, it is firm that agricultural chemicals adheres on leaf, resistance of rainwater washing against, and the high boiling solvent in the finish can effectively delay the degraded of pesticide active ingredient, and drug effect is permanent.
5. the work efficiency height is prevented and treated in time.The hand-held electrostatic ultra low volume spray improves 10~20 times of work efficiency than conventional spraying, and Dongfanghong-18 type power knapsack electrostatic sprayer per hour can spray 20~30 mu.
6. electrostatic spray adopts supporting electrostatic spray liquor, need not to add water, is particularly suitable for the drought and water shortage area and uses.
7. electrostatic spray be difficult for to produce poisoning to crop, does not have obviously residually, can improve the quality of crop.
Summary of the invention
The purpose of this invention is to provide a kind of is the electrostatic spray liquor preparation of active ingredient with first dimension salt and fluorine bell urea binary composition.
Another object of the present invention provides the preparation method of described this electrostatic spray liquor.
This electrostatic spray liquor comprises the component of following weight proportion:
0.1 part~20.0 parts of first dimension salt
0.1 part~10.0 parts of fluorine bell ureas
1.0 parts~8.0 parts of conductive agents
1.0 parts~10.0 parts of cosolvents
Solvent complements to 100 parts.
The above composition weight proportion optimization:
1.0 parts~10.0 parts of first dimension salt
5.0 parts~8.0 parts of fluorine bell ureas
1.0 parts~5.0 parts of conductive agents
2.0 parts~8.0 parts of cosolvents
Solvent complements to 100 parts.
The cosolvent that is fit to is selected from C 4Above alcohols, cyclohexanone, methyl-sulfoxide, N-Methyl pyrrolidone, preferred methyl-sulfoxide or N-Methyl pyrrolidone.
The conductive agent that is fit to is an anion surfactant, as neopelex or calcium dodecyl benzene sulfonate.
The solvent that is fit to is many Fluhyzons, as a line oil, two wires wet goods, and heavy aromatics, vegetable oil such as turpentine oil or cottonseed oil, corn wet goods.Preferred two wires oil or the above aromatic hydrocarbons of C10.
Electrostatic spray liquor of the present invention adopts the manner known in the art preparation, normally active ingredient and conductive agent, cosolvent, solvent is fully mixed in proportion and forms.
The binary composition of two kinds of compositions, it is good enough and be easy to generate the problem of resistance to solve the single component result of use, and because first dimension salt is different with the action site and the mechanism of action of fluorine bell urea, both binary compositions can well reach the effect that remedies mutually with synergy.
The target crop that is fit to is cereal crops such as paddy rice, wheat, economic crops such as soybean, peanut, cotton, tea tree, tobacco, vegetable crops such as tomato, eggplant, capsicum, wild cabbage, Kidney bean, broad bean, cowpea, pea, fruit tree crops such as grape, oranges and tangerines, apple, pear tree, peach.
Electrostatic spray liquor of the present invention is fit to control rice leaf roller, striped rice borer, wheat mythimna separata, vegetables cabbage caterpillar, diamond-back moth, liriomyza bryoniae, beet armyworm, lima bean pod borer, tea geometrid, the thin moth of tea, tea caterpillar, beautiful green slug moth, tealeaves goitre mite, pink tea rust mite, privet mite, cotton bollworm, soybean pod borer, prodenia litura, beet armyworm, oriental tobacco budworm, phyllocnistis citrella stainton, two spotted spider mite, European red mite, pear sucker, peach fruit borer etc.
The method for optimizing of using electrostatic spray liquor of the present invention is an electrostatic spray, and a situation arises determines suitable consumption according to controlling object, and formulation rate is 8~60g a.i./hm usually 2
Electrostatic spray liquor of the present invention is easy to process, with low cost, good drug efficacy, hold imitate long, work efficiency is high; Can reduce environmental pollution, improve the agricultural chemicals availability, reduce the agricultural chemicals usage amount, be suitable for electrostatic spray.
Embodiment
The present invention describes with the following example, but does not limit the scope of the invention.
Embodiment 1:
Prepare 0.2% first dimension salt fluorine bell urea electrostatic spray liquor
First dimension salt 0.1kg
Fluorine bell urea 0.1kg
N-Methyl pyrrolidone 2.0kg
Calcium dodecyl benzene sulfonate 1.5kg
Two wires oil complements to 100kg.
First dimension salt and the former medicinal cosolvent of fluorine bell urea, solvent are that N-Methyl pyrrolidone, two wires oil dissolve fully, add other composition calcium dodecyl benzene sulfonates again and evenly mix, and can be made into the electrostatic spray liquor after fully stirring.
Step according to identical with embodiment 1 can prepare following examples.
Embodiment 2:
Prepare 2.5% first dimension salt fluorine bell urea electrostatic spray liquor
First dimension salt 1.5kg
Fluorine bell urea 1.0kg
N-Methyl pyrrolidone 4.0kg
Neopelex 3.0kg
Two wires oil complements to 100kg.
Embodiment 3:
Prepare 10% first dimension salt fluorine bell urea electrostatic spray liquor
First dimension salt 5.0kg
Fluorine bell urea 5.0kg
Methyl-sulfoxide 4.0kg
Calcium dodecyl benzene sulfonate 4.0kg
C10 aromatic hydrocarbons complements to 100kg.
Embodiment 4:
Prepare 15% first dimension salt fluorine bell urea electrostatic spray liquor
First dimension salt 9.0kg
Fluorine bell urea 6.0kg
N-Methyl pyrrolidone 4.0kg
Neopelex 4.0kg
Two wires oil complements to 100kg.
Embodiment 5:
Prepare 25% first dimension salt fluorine bell urea electrostatic spray liquor
First dimension salt 18.0kg
Fluorine bell urea 7.0kg
Methyl-sulfoxide 6.5kg
Calcium dodecyl benzene sulfonate 5.0kg
C10 aromatic hydrocarbons complements to 100kg.
Embodiment 6:
Prepare 40% first dimension salt fluorine bell urea electrostatic spray liquor
First dimension salt 20.0kg
Fluorine bell urea 20.0kg
N-Methyl pyrrolidone 10.0kg
Neopelex 5.0kg
Two wires oil complements to 100kg.
Prepared first dimension salt fluorine bell urea electrostatic spray liquor outward appearance is transparent homogeneous oily liquids; Low temperature compatibility is good, and under-5 ℃, refrigeration 7d does not separate out crystallization or suspension; Volatility is low, filter paper suspension method measurement result, and volatility is lower than 30%; To plant safety, no poisoning; The employing method of remaining silent is measured, and flash-point is greater than 70 ℃; Viscosity is below 10mPas; Electrical conductivity (μ Ω cm -1) 1~10 -3Between.

Claims (8)

1. a first is tieed up salt and fluorine bell urea binary composition electrostatic spray liquor, it is characterized in that comprising the component of following weight proportion:
0.1 part~20.0 parts of first dimension salt
0.1 part~20.0 parts of fluorine bell ureas
1.0 parts~8.0 parts of conductive agents
1.0 parts~10.0 parts of cosolvents
Solvent complements to 100 parts.
2. first dimension salt according to claim 1 and fluorine bell urea binary composition electrostatic spray liquor is characterized in that described composition weight proportion optimization:
1.0 parts~10.0 parts of first dimension salt
5.0 parts~10.0 parts of fluorine bell ureas
1.0 parts~5.0 parts of conductive agents
2.0 parts~8.0 parts of cosolvents
Solvent complements to 100 parts.
3. first dimension salt according to claim 1 and 2 and fluorine bell urea binary composition electrostatic spray liquor, it is characterized in that: conductive agent is selected from anion surfactant.
4. first dimension salt according to claim 3 and fluorine bell urea binary composition electrostatic spray liquor, it is characterized in that: conductive agent is neopelex or calcium dodecyl benzene sulfonate.
5. first dimension salt according to claim 1 and 2 and fluorine bell urea binary composition electrostatic spray liquor, it is characterized in that: cosolvent is selected from the above alcohols of C4, cyclohexanone, methyl-sulfoxide, or N-Methyl pyrrolidone.
6. first dimension salt according to claim 5 and fluorine bell urea binary composition electrostatic spray liquor is characterized in that: preferred methyl-sulfoxide of cosolvent or N-Methyl pyrrolidone.
7. first dimension salt according to claim 1 and 2 and fluorine bell urea binary composition electrostatic spray liquor, it is characterized in that: solvent is selected from many Fluhyzons, heavy aromatics, or vegetable oil.
8. first dimension salt according to claim 7 and fluorine bell urea binary composition electrostatic spray liquor, it is characterized in that: described solvent is preferably two wires oil or the above aromatic hydrocarbons of C10.
CN 201010262512 2010-08-25 2010-08-25 Electrostatic spraying liquid formulation of emamectin benzoate and hexaflumuron binary composite and preparation method thereof Expired - Fee Related CN101946764B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1058505A (en) * 1991-09-14 1992-02-12 中国国际科技促进会保康新技术研究所 The prescription of electrostatically sprayed pesticide oil preparation
CN1480040A (en) * 2003-07-23 2004-03-10 福建新农大正生物工程有限公司 Lethane of methylamino avermectin benzoate-Hexaflumuron

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1058505A (en) * 1991-09-14 1992-02-12 中国国际科技促进会保康新技术研究所 The prescription of electrostatically sprayed pesticide oil preparation
CN1480040A (en) * 2003-07-23 2004-03-10 福建新农大正生物工程有限公司 Lethane of methylamino avermectin benzoate-Hexaflumuron

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
杨宝芳等: "应用静电喷雾技术防治小麦蚜虫", 《天津农林科技》, no. 2, 30 April 2000 (2000-04-30) *
王同涛等: "2.5%氟铃脲.甲氨基阿维菌素苯甲酸盐微乳剂的研制", 《农药科学与管理》, vol. 27, no. 6, 31 December 2006 (2006-12-31), pages 36 - 38 *

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Address after: 276100 north of Huangting Road East of Xingtan Road, Tancheng County, Linyi City, Shandong Province

Patentee after: Shandong Lixing Chemical Co.,Ltd.

Address before: 530007, No. 1, west section, Chuangxin Road, Nanning, the Guangxi Zhuang Autonomous Region

Patentee before: Guangxi Tianyuan Biochemical Co.,Ltd.

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