CN101984814B - Pleocidin water formulation pesticide - Google Patents
Pleocidin water formulation pesticide Download PDFInfo
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- CN101984814B CN101984814B CN 201010592961 CN201010592961A CN101984814B CN 101984814 B CN101984814 B CN 101984814B CN 201010592961 CN201010592961 CN 201010592961 CN 201010592961 A CN201010592961 A CN 201010592961A CN 101984814 B CN101984814 B CN 101984814B
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- pleocidin
- polyoxypropylene ethers
- phenethyl
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- water formulation
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Abstract
The invention relates to a pleocidin water formulation pesticide. The technical scheme of the pesticide comprises the following components in percentage by weight: 0.1-30% of pleocidin, 1-25% of surfactant and the balance of water. To resist cold and improve the pesticide effect and the stability of the formulation, 1-10% of antifreeze agent and/or 1-10% of penetrating agent can be added. The surfactant is non-ionic surfactant and/or anionic surfactant. The pleocidin water formulation pesticide is a green and environment-friendly pure water formulation pesticide.
Description
Technical field
The present invention relates to a kind of agricultural chemicals, relate to particularly a kind of agricultural chemicals that contains the aqua formulation of pleocidin.
Background technology
Since entering 21 century, China's pesticide industry develops rapidly, often is close on the pesticides application of 1,000,000 tons on various crops, and it has controlled the generation of various diseases, worm, crop smothering, has made major contribution for scoring consecutive bumper harvests.A large amount of use agricultural chemicals also have its negative effect, such as having grain and 20% above fruits and vegetables pesticide concentration more than 10% to exceed standard.For human health, environmental contamination reduction, government ordered forbid that high poison, persistent pesticide use, and greatly develop high-efficiency low-toxicity, low-residual environment amenable environment friendly agricultural, particularly biopesticide.
The kind of the area of biopesticide application at present maximum is the pleocidin of China's Avermectin and the U.S., and output both accounts for 1/3 of world's biopesticide, and sales volume reaches 1,500,000,000 dollars more than.Pleocidin is the broad spectrum pesticide of toxicity extremely low (Oral Administration in Rats LD50〉5000mg/kg).Not only extensive use on crop, fruits and vegetables, and storage, herding, health, insect are also had outstanding effect.But because pleocidin is low to water and organic solvent dissolution degree, so mostly the formulation of promoting is suspending agent, also have the formulations such as missible oil, aqueous emulsion, bait formulation.No matter which kind of formulation active ingredient is not to exist with molecule, aqua is to exist with molecular state only.Aqua is good drug efficacy not only, and there is no organic solvent in formulation, thereby has avoided the pollution to environment.
Summary of the invention
The object of the invention is to provide the aqua formulation agricultural chemicals that contains pleocidin of a kind of green, environmental protection.
The technical solution used in the present invention is: pleocidin water formulation pesticide comprises that pleocidin, surfactant and water form, and its proportioning is as follows:
Pleocidin 0.1～30%,
Surfactant 1～25%,
Water surplus.
For cold-resistant, improve the stability of drug effect and preparation, can also add 1～10% antifreezing agent and/or 1～10% bleeding agent.
Above-mentioned surfactant is non-ionic surface active agent and/or anion surfactant.
Described non-ionic surface active agent is: the mixing of one or more of phenethyl phenol polyethenoxy polyoxypropylene ethers, phenethyl phenol polyoxyethylene polyoxypropylene ethers, phenethyl cumenyl phenol polyethenoxy polyoxypropylene ethers, phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers or Polyoxyethylene Sorbitol Fatty Acid Esters class.
Described phenethyl phenol polyethenoxy polyoxypropylene ethers is as agriculture breast 1601 ﹟, peaceful newborn 33 ﹟; Described phenethyl phenol polyoxyethylene polyoxypropylene ethers is as agriculture breast 1602 ﹟, peaceful newborn 32 ﹟ and peaceful newborn 34 ﹟; Described phenethyl cumenyl phenol polyethenoxy polyoxypropylene ethers is as agriculture breast 1601-II ﹟; Described phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers is as agriculture breast 1602-Ⅱ ﹟; Described polyoxyethylene sorbitol monoglyceride class is as Tween etc.
Described anion surfactant is: one or both of alkyl sulfonic acid formaldehyde condensation products, N-methyl fatty acyl taurine salt, polyoxyethylene nonylphenol ether phosphate or dialkyl succinylsuccinate sodium sulfonate.
Described alkyl sulfonic acid formaldehyde condensation products is as sopa; Described N-methyl fatty acyl taurine salt adds fat T-77 as pancreas; Described polyoxyethylene nonylphenol ether phosphate is as NP-10PT; Described dialkyl succinylsuccinate sodium sulfonate is as penetrant t.
Described antifreezing agent is urea or ethylene glycol.
Surfactant penetrant T also can be used as bleeding agent.
The invention has the beneficial effects as follows: the present invention adopts surfactant to mix with pleocidin, the two ends of surfactant have hydrophobic end and water-wet side, can promote that pleocidin is soluble in water, make the agricultural chemicals that contains pleocidin of pure water agent formulation, owing to namely not containing benzene kind solvent in missible oil, do not contain the polar solvent in soluble liquid yet, cut off thoroughly with organic solvent preparation pesticidal preparations method.Technique of the present invention is simple, and production operation is convenient, there is no the three wastes, the large production of favorable season.Because active ingredient in preparation exists with molecular state, thus outstanding to the target pest preventive effect, be better than suspending agent, aqueous emulsion.
Embodiment
Embodiment 1 1% pleocidin water formulation pesticide
Take pleocidin 1.0g, phenethyl phenol polyoxyethylene polyoxypropylene ethers (1602 ﹟) 4g, phenethyl cumenyl phenol polyethenoxy polyoxypropylene ethers (1601-II #) 4g, polyoxyethylene sorbitol monoglyceride class (Tween) 3g, ethylene glycol 3g, bleeding agent 3g, running water 82g is in reaction bulb.Start and stir ultrasonic dispersion 30 minutes, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 2 2% pleocidin water formulation pesticides
Take pleocidin 2.8g, phenethyl phenol polyethenoxy polyoxypropylene ethers (1601 ﹟) 3g, phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers (1602-II ﹟) 2g, running water 92.2g, in reaction bulb, start and stir ultrasonic dispersion 30 minutes, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 3 5% pleocidin water formulation pesticides
Take pleocidin 5.6g, phenethyl phenol polyoxyethylene polyoxypropylene ethers (1602#) 4g, phenethyl cumenyl phenol polyethenoxy polyoxypropylene ethers (1601-II #) 2g, alkyl sulfonic acid formaldehyde condensation products (sopa) 3g, polyoxyethylene nonylphenol ether phosphate (NP-10PT) 3g, running water 82.4g is in reaction bulb.Start stirring, stirred 30 minutes under 50 ℃, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 4 8% pleocidin water formulation pesticides
Take pleocidin 8.3g, phenethyl phenol polyoxyethylene polyoxypropylene ethers (34#) 4g, (running water 80.7g is in reaction bulb for the 4g of bleeding agent-T), urea 3g for the dialkyl succinylsuccinate sodium sulfonate.Start and stir ultrasonic dispersion 30 minutes, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 5 10% pleocidin water formulation pesticides
Take pleocidin 11g, phenethyl phenol polyethenoxy polyoxypropylene ethers (peaceful newborn 33#) 4g, N-methyl fatty acyl taurine salt (pancreas adds fat T-77) 3g, running water 82g is in reaction bulb.Start stirring, stirred 30 minutes under 50 ℃, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 6 10% pleocidin water formulation pesticides
Take pleocidin 11.2g, phenethyl phenol polyethenoxy polyoxypropylene ethers (1601#) 4g, alkyl sulfonic acid formaldehyde condensation products (sopa) 3g, polyoxyethylene nonylphenol ether phosphate (NP-10PT) 2g, urea 5g, running water 74.8g is in reaction bulb.Start and stir ultrasonic dispersion 30 minutes, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 7 10% pleocidin water formulation pesticides
Take pleocidin 10.0g, phenethyl phenol polyoxyethylene polyoxypropylene ethers (peaceful breast 32) 4g, N-methyl fatty acyl taurine salt (pancreas adds fat T-77) 4g, ethylene glycol 3g, bleeding agent 3g, running water 76g is in reaction bulb.Start and stir ultrasonic dispersion 30 minutes, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 8 20% pleocidin pleocidin water formulation pesticides
Take pleocidin 22.3g, phenethyl phenol polyethenoxy polyoxypropylene ethers (1601#) 4g, phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers (1602-II #) 4g, polyoxyethylene sorbitol monoglyceride class (Tween) 4g, ethylene glycol 4g, running water 61.7g is in reaction bulb.Start to stir under 50 ℃ and stirred 30 minutes, get product.Product is transparency liquid, and pleocidin all dissolves.
Embodiment 9 30% pleocidin water formulation pesticides
Take pleocidin 28g, phenethyl phenol polyethenoxy polyoxypropylene ethers (1601#) 4g, phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers (1602-II #) 4g, alkyl sulfonic acid formaldehyde condensation products (sopa) 3g, dialkyl succinylsuccinate sodium sulfonate (penetrant t) 4g, urea 3g, running water 54g is in reaction bulb.Start and stir ultrasonic dispersion 30 minutes, get product.Product is transparency liquid, and pleocidin all dissolves.
The product testing result
1) in product, pleocidin adopts high-performance liquid chromatography to measure content (take embodiment 3 as example).
Analysis condition is: C18 reversed-phase column, column length 250mm, internal diameter 4.6mm mobile phase: acetonitrile+methyl alcohol+water (0.025NaAC)=42.5:42.5:15; Flow 1ml/min detects wavelength 250nm.Testing result such as table 1.
Table 1
| Index name | Index |
| Pleocidin content (%) | 5.12 |
| PH | 7 |
| Low-temperature stability (0 ± 2 ° of C) | Qualified |
| Thermodynamic stability (54 ± 2 ° of C) | ≤5 |
| Dilution (200 *) | Transparent liquid |
2) product indoor virulence test (take embodiment 6 as example)
The examination worm is used the budlet moth.At first select the budlet moth third-instar larvae of uniformity, the access diameter is on the interior cabbage leaf of 9cm culture dish, 30, every ware, every processing repeats for three times, adopts the spray tower press atomization, every ware spray 3ml, 6 concentration gradients are established in every processing, spray and investigated dead borer population in rear 48 hours, record result with method of least squares calculating median lethal concentration LC50 as follows, do simultaneously comparative trial.
10% pleocidin suspension LC50---1.85
10% pleocidin aqueous emulsion LC50---1.79
10% pleocidin aqua LC50---1.68
As seen drug effect of the present invention is apparently higher than suspending agent, aqueous emulsion.Illustrate that the present invention fills a prescription rationally.Because cost is low effective, application value is arranged very.In formula, utilize the ingenious compatibility of surfactant in addition, special solubilising technology will be difficult for the pleocidin of molten water and organic solvent, success make green aqua thoroughly, and there is no the three wastes, be the agricultural chemicals of a kind of green, environmental protection.
Claims (4)
1. pleocidin water formulation pesticide is characterized in that: comprise that following raw materials by weight makes,
Pleocidin 0.1～30%,
Surfactant 1～25%,
Water surplus;
described surfactant is: phenethyl phenol polyoxyethylene polyoxypropylene ethers, phenethyl cumenyl phenol polyethenoxy polyoxypropylene ethers, polyoxyethylene sorbitol monoglyceride class, phenethyl phenol polyethenoxy polyoxypropylene ethers, phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers, the alkyl sulfonic acid formaldehyde condensation products, the polyoxyethylene nonylphenol ether phosphate, the dialkyl succinylsuccinate sodium sulfonate, the two or more mixing of N-methyl fatty acyl taurine salt or phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers.
2. according to pleocidin water formulation pesticide claimed in claim 1, it is characterized in that: described surfactant is: the mixing of phenethyl phenol polyethenoxy polyoxypropylene ethers, alkyl sulfonic acid formaldehyde condensation products and polyoxyethylene nonylphenol ether phosphate.
3. according to pleocidin water formulation pesticide claimed in claim 1, it is characterized in that: also comprise 1～10% antifreezing agent.
4. according to claim 1,2 or 3 described pleocidin water formulation pesticides, it is characterized in that: also comprise 1～10% bleeding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592961 CN101984814B (en) | 2010-12-17 | 2010-12-17 | Pleocidin water formulation pesticide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592961 CN101984814B (en) | 2010-12-17 | 2010-12-17 | Pleocidin water formulation pesticide |
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| Publication Number | Publication Date |
|---|---|
| CN101984814A CN101984814A (en) | 2011-03-16 |
| CN101984814B true CN101984814B (en) | 2013-06-19 |
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| CN 201010592961 Expired - Fee Related CN101984814B (en) | 2010-12-17 | 2010-12-17 | Pleocidin water formulation pesticide |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889571A (en) * | 2010-07-08 | 2010-11-24 | 河北益海安格诺农化有限公司 | Spinosad soluble agent and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000060940A1 (en) * | 1999-04-12 | 2000-10-19 | Dow Agrosciences Llc | Aqueous dispersions of agricultural chemicals |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889571A (en) * | 2010-07-08 | 2010-11-24 | 河北益海安格诺农化有限公司 | Spinosad soluble agent and preparation method thereof |
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| CN101984814A (en) | 2011-03-16 |
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