CN101984814A - Pleocidin water formulation pesticide - Google Patents
Pleocidin water formulation pesticide Download PDFInfo
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- CN101984814A CN101984814A CN2010105929618A CN201010592961A CN101984814A CN 101984814 A CN101984814 A CN 101984814A CN 2010105929618 A CN2010105929618 A CN 2010105929618A CN 201010592961 A CN201010592961 A CN 201010592961A CN 101984814 A CN101984814 A CN 101984814A
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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 a kind of agricultural chemicals that contains the aqua formulation of pleocidin particularly.
Background technology
Entered since 21 century, China's pesticide industry develops rapidly, and annual nearly 1,000,000 tons agricultural chemicals is applied on the 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 agricultural chemicals that use also have its negative effect, exceed standard such as the fruits and vegetables pesticide concentration more than the grain and 20% that has more than 10%.For human health, reduce environmental pollution, government orders to forbid that high poison, persistent pesticide use, and greatly develops 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 the output of the two 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 (the oral LD50 of rat〉5000mg/kg).Not only extensive use on crop, fruits and vegetables, and storage, herding, health, insect also had outstanding effect.But,, also have formulations such as missible oil, aqueous emulsion, bait formulation so mostly the formulation of promoting is suspending agent because pleocidin is low to water and organic solvent dissolution degree.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 does not have organic solvent in the formulation, thereby has avoided the pollution to environment.
Summary of the invention
The object of the invention provides 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 aqua type agricultural chemicals comprises pleocidin, surfactant and water composition, and its proportioning is as follows:
Pleocidin 0.1～30%,
Surfactant 1～25%,
Water surplus.
For cold-resistant, improve drug effect and stability of formulation, 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 newborn 1601 ﹟ of farming, peaceful newborn 33 ﹟; Described phenethyl phenol polyoxyethylene polyoxypropylene ethers is as newborn 1602 ﹟ of farming, peaceful newborn 32 ﹟ and peaceful newborn 34 ﹟; Described phenethyl cumenyl phenol polyethenoxy polyoxypropylene ethers is as the newborn 1601-II of farming ﹟; Described phenethyl cumenyl phenol polyoxyethylene polyoxypropylene ethers is as the newborn 1602-Ⅱ of farming ﹟; 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 promptly do not contain benzene kind solvent in the missible oil, do not contain the polar solvent in the soluble liquid yet, cut off with organic solvent preparation pesticidal preparations method completely.Technology of the present invention is simple, and production operation is convenient, does not have the three wastes, the big production of favorable season.Because active ingredient exists with molecular state in the preparation, thus outstanding to the target pest preventive effect, be better than suspending agent, aqueous emulsion.
Embodiment
Embodiment 1 1% pleocidin water aqua type agricultural chemicals
Take by weighing 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 a transparency liquid, and pleocidin all dissolves.
Embodiment 2 2% pleocidin water aqua type agricultural chemicals
Take by weighing 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 a transparency liquid, and pleocidin all dissolves.
Embodiment 3 5% pleocidin water aqua type agricultural chemicals
Take by weighing 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 down, get product in 50 ℃.Product is a transparency liquid, and pleocidin all dissolves.
Embodiment 4 8% pleocidin water aqua type agricultural chemicals
Take by weighing 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 a transparency liquid, and pleocidin all dissolves.
Embodiment 5 10% pleocidin water aqua type agricultural chemicals
Take by weighing 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 down, get product in 50 ℃.Product is a transparency liquid, and pleocidin all dissolves.
Embodiment 6 10% pleocidin water aqua type agricultural chemicals
Take by weighing 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 a transparency liquid, and pleocidin all dissolves.
Embodiment 7 10% pleocidin water aqua type agricultural chemicals
Take by weighing 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 a transparency liquid, and pleocidin all dissolves.
Embodiment 8 20% pleocidin pleocidin water aqua type agricultural chemicals
Take by weighing 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 and stirred 30 minutes down, get product in 50 ℃.Product is a transparency liquid, and pleocidin all dissolves.
Embodiment 9 30% pleocidin water aqua type agricultural chemicals
Take by weighing 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 a transparency liquid, and pleocidin all dissolves.
The product testing result
1) pleocidin adopts high performance liquid chromatography external standard method content (is example with embodiment 3) in the product.
Analysis condition is: C18 reversed-phase column, column length 250mm, internal diameter 4.6mm flowing 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 (is example with embodiment 6)
The examination worm is used the budlet moth.At first select the budlet moth third-instar larvae of uniformity, inserting diameter is on the interior cabbage leaf of 9cm culture dish, 30 in 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 back 48 hours, it is as follows to record the result with method of least squares calculating median lethal concentration LC50, does comparative trial simultaneously.
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, and application value is arranged very much.In prescription, 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 completely aqua, and do not have the three wastes, be the agricultural chemicals of a kind of green, environmental protection.
Claims (5)
1. pleocidin water aqua type agricultural chemicals is characterized in that: comprise that following raw materials by weight makes,
Pleocidin 0.1～30%,
Surfactant 1～25%,
Water surplus.
2. according to the described pleocidin water aqua type of claim 1 agricultural chemicals, it is characterized in that: also comprise 1～10% antifreezing agent.
3. according to claim 1 or 2 described pleocidin water aqua type agricultural chemicals, it is characterized in that: also comprise 1～10% bleeding agent.
4. according to claim 1 or 2 described pleocidin water aqua type agricultural chemicals, it is characterized in that described surfactant is non-ionic surface active agent and/or anion surfactant.
5. according to the described pleocidin water aqua type of claim 3 agricultural chemicals, it is characterized in that described surfactant is non-ionic surface active agent and/or anion surfactant.
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 true CN101984814A (en) | 2011-03-16 |
| CN101984814B CN101984814B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000060940A1 (en) * | 1999-04-12 | 2000-10-19 | Dow Agrosciences Llc | Aqueous dispersions of agricultural chemicals |
| 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 |
-
2010
- 2010-12-17 CN CN 201010592961 patent/CN101984814B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000060940A1 (en) * | 1999-04-12 | 2000-10-19 | Dow Agrosciences Llc | Aqueous dispersions of agricultural chemicals |
| 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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| Publication number | Publication date |
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| CN101984814B (en) | 2013-06-19 |
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