CN101326918B - Water-soluble granular formulation containing Imidacloprid, and preparation method and use thereof - Google Patents
Water-soluble granular formulation containing Imidacloprid, and preparation method and use thereof Download PDFInfo
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- CN101326918B CN101326918B CN2007101788587A CN200710178858A CN101326918B CN 101326918 B CN101326918 B CN 101326918B CN 2007101788587 A CN2007101788587 A CN 2007101788587A CN 200710178858 A CN200710178858 A CN 200710178858A CN 101326918 B CN101326918 B CN 101326918B
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Abstract
The invention provides water-soluble granules containing Imidacloprid and containing at least one water-soluble inorganic salt/water-soluble organic substance, wherein, the content of Imidacloprid is 1.0-90.0 percent. The water-soluble granules are used to prevent and kill pests endangering crops, fruit trees, vegetables, pastures, forest, underground and flowers and as well as pests influencing household sanitation in the house; and the granules can be applied to paddy fields, dry fields or households.
Description
Technical field
The present invention relates to the agricultural insecticide field, relate more specifically to a kind of water-soluble granular formulation, its preparation method and application that contains Imidacloprid.
Background technology
Imidacloprid belongs to the nitro-methylene-type systemic insecticide, and selectivity suppresses the nicotinic acid acetylcholinesterase acceptor in the insect nervous system, thus with its competitive highly normal conduction that combine the nervous centralis that destroys insect, make it death after the neural paralysis.This product is used to prevent and treat sucking pest by Beyer Co., Ltd's exploitation, as aphid, leafhopper, plant hopper, thrips, aleyrodid and resistant strain thereof.Also effective to coleoptera, diptera and Lepidoptera.To nematode and two spotted spider mite non-activity.
Commercially available Imidacloprid preparation mainly comprises liquor, wetting powder, water dispersible granules, suspending agent at present, but does not also have water-soluble granular formulation.Compare characteristics such as water-soluble granular formulation has that quick-acting is good, environmental protection, synergy are obvious with above-mentioned formulation.
Summary of the invention
The object of the present invention is to provide a kind of water-soluble granular formulation that contains Imidacloprid, this water-soluble granular formulation can stimulate and improve the growing ability of crop, strengthens pest-resistant, the disease-resistant ability of crop, increases crop yield.
Another object of the present invention is to provide the preparation method of the water-soluble granular formulation that contains Imidacloprid.
A further object of the present invention is to provide the application of the water-soluble granular formulation that contains Imidacloprid.
Imidacloprid chemical name: 1-(6-chloro-3-pyridylmethyl)-N-Nitroimidazoline-2-base amine
Structural formula:
Molecular formula: C
9H
10ClN
5O
2
Relative molecular weight: 255.7
The invention provides a kind of water-soluble granular formulation of Imidacloprid, it contains Imidacloprid and at least a water-soluble inorganic salt or water soluble organic substance, can be solid or liquid, and the carrier that is generally used for preparing water-soluble granular formulation all can use.
Described water-soluble inorganic salt is selected from sulphate, nitrate, hydrochloride, carbonate, phosphate, borate, silicate; As ammonium sulfate, zinc sulphate, copper sulphate, iron sulfate, potassium sulphate, potassium acetate, sodium acetate, manganese sulphate, Selenium Sulphate, ammonium nitrate, potassium dihydrogen phosphate, potassium borate, dipotassium hydrogen phosphate, sodium sulphate, sodium carbonate, potash, sodium bicarbonate, saleratus, potassium chloride, silicon potash fertilizer, calcium sulphate.
Described water soluble organic substance is selected from urea, carbohydrate, soluble starch, dextrin, citric acid, potassium citrate, amino acid, citric acid, potassium citrate and sodium citrate.
Wherein Imidacloprid is 1.0～90.0% of a gross weight, is preferably 5～50%.
The weight part ratio of Imidacloprid and water-soluble inorganic salt/water soluble organic substance is 1: 99～99: 1, is preferably 10: 90～90: 10.
Also can contain a kind of surfactant, for example lauryl sodium sulfate in the water-soluble granular formulation of the present invention; Teepol; the alkyl amide taurate; polyvinylpyrrolidone potassium; sodium methylene bis-naphthalene sulfonate; HPMC; neopelex; polyoxyethylene fatty acid fat; polyoxyethylene aliphatic alcohol ether; the polyoxyethylene fatty amine; ethoxy castor oil; fatty acid polyethylene glycol ester; alkylphenol polyoxyethylene; fatty alcohol-polyoxyethylene ether; aliphatic amine polyoxyethylene ether; lignosulfonates; naphthalene sulfonate; polyoxyethylene polyoxypropylene carboxylate or commercially available surfactant.
Water-soluble granular formulation of the present invention can prepare with spraying, extruding, rotating disk, high strength mixing, mode granulation agravic, boiling then by Imidacloprid is mixed the back with machinery, air-flow or wet method sand milling with one or more water-soluble inorganic salts/water soluble organic substance.
Water-soluble granular formulation of the present invention can the finished product preparation form provide, and promptly each material mixes in the composition; Also dosage form provides separately, directly mixes getting final product before using in bucket or jar.Concentrate of the present invention mixes the concentration that obtains required active substance usually with water.
Composition of the present invention can be used for preventing and treating insect and domestic hygiene insect etc. on crops, fruit tree, vegetables, lawn, forest, underground, the flowers.The place of using of water-soluble granular formulation of the present invention is in paddy field, nonirrigated farmland and the family room etc.
Water-soluble granular formulation of the present invention is converted the spraying of waterleaf face and is handled before and after insect is taken place, also can directly spread fertilizer over the fields in soil, also can use with other compound such as insecticide, protective agent, bactericide, weed killer herbicide, nutrient for plants, growth regulator or soil conditioner with desinsection, weeding or bactericidal property, also can with application of mixed fertilizers.
The salt that contains in the water-soluble granular formulation of the present invention can increase the absorption of crop to Imidacloprid, has improved the quick-acting and the drug effect of Imidacloprid greatly.
Water-soluble granular formulation of the present invention has the advantage of three distinctnesses: the one, and this water-soluble granular formulation shows fabulous synergistic effect in certain ratio range, this water-soluble granular formulation has obviously improved insecticidal effect than its single agent and other formulations, thereby reduced using dosage, when reducing peasant's drug cost, reduced influence degree; The 2nd, this water-soluble granular formulation can stimulate and improve the growing ability of crop, strengthens pest-resistant, the disease-resistant ability of crop, increases crop yield; The 3rd, this water-soluble granular formulation belongs to environmentally friendly, compare with conventional missible oil, wetting powder, suspending agent have organic solvent-free, no dust, the easy advantage of metering.
Embodiment
The present invention is elaborated with following instantiation, so that advantage of the present invention is more obvious, but the present invention is limited to these examples absolutely not.
Percentage in all preparation proportionings all is weight percentage; The dosage of biologically-active moiety is the dosage of Imidacloprid.
1, the preparation of Imidacloprid water-soluble granular formulation
By the prescription requirement, Imidacloprid, various auxiliary agent and salt etc. are fully mixed, after cracker is pulverized, add a certain amount of water, mix the back with machinery, air-flow or wet method sand milling, then with spraying, extruding, rotating disk, high strength mixing, agravic, the Imidacloprid water-soluble granular formulation that the mode granulation promptly obtains various trait such as seethe with excitement, wave.
Embodiment 1 Imidacloprid 1% water-soluble granular formulation
Imidacloprid 10g, potassium sulphate 500 grams, urea 490 grams.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 100g water, use extruder grain, oven dry promptly gets Imidacloprid 1% water-soluble granular formulation.
Embodiment 2 Imidacloprids 2.5% water-soluble granular formulation
Imidacloprid 25g, ammonium nitrate complements to 1000g.Be stirred to abundant mixing back and be crushed to granularity less than 44 μ m with cracker, add 80g water, use fluidized granulating, oven dry promptly gets Imidacloprid 0.5% water-soluble granular formulation.
Embodiment 3 Imidacloprids 5% water-soluble granular formulation
Imidacloprid 50g, potassium dihydrogen phosphate 50g, urea complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 500g water, use mist projection granulating, oven dry promptly gets Imidacloprid 5% water-soluble granular formulation.
Embodiment 4 Imidacloprids 10% water-soluble granular formulation
Imidacloprid 100g, ammonium sulfate 150g, potassium sulphate 100 grams, white sugar complement to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 150g water, use the high strength mixing granulation, oven dry promptly gets Imidacloprid 10% water-soluble granular formulation.
Embodiment 5 Imidacloprids 15% water-soluble granular formulation
Imidacloprid 150g, white sugar 50g, soluble starch complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 200g water, use agravic granulation, oven dry promptly gets Imidacloprid 15% water-soluble granular formulation.
Embodiment 6 Imidacloprids 20% wetting powder
Imidacloprid 200g, ammonium nitrate 50g, potassium acetate complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 100g water, with waving granulation, oven dry promptly gets Imidacloprid 20% water-soluble granular formulation.
Embodiment 7 Imidacloprids 25% water-soluble granular formulation
Imidacloprid 250g, lauryl sodium sulfate 50g, urea complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 120g water, use extruder grain, oven dry promptly gets Imidacloprid 25% water-soluble granular formulation.
Embodiment 8 Imidacloprids 35% water-soluble granular formulation
Imidacloprid 350g, potassium dihydrogen phosphate 50g, sodium lignin sulfonate 100g, white sugar complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 100g water, use extruder grain, oven dry promptly gets Imidacloprid 35% water-soluble granular formulation.
Embodiment 9 Imidacloprids 45% water-soluble granular formulation
Imidacloprid 450g, ammonium sulfate 150g, alkyl amide taurine sodium salt 20g, neopelex 50g, sodium acetate complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 70g water, 70 gram ethanol are used extruder grain, and oven dry promptly gets Imidacloprid 45% water-soluble granular formulation.
Embodiment 10 Imidacloprids 50% water-soluble granular formulation
Imidacloprid 500g, ammonium sulfate 50g, polyvinylpyrrolidone potassium 50g, soluble starch complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 100g water, use extruder grain, oven dry promptly gets Imidacloprid 50% water-soluble granular formulation.
Embodiment 11 Imidacloprids 70% water-soluble granular formulation
Imidacloprid 700g, sodium methylene bis-naphthalene sulfonate 50g, ammonium nitrate 50g, HPMC complements to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 120g water, use rotary table granulation, oven dry promptly gets Imidacloprid 50% water-soluble granular formulation.
Embodiment 12 Imidacloprids 90% water-soluble granular formulation
Imidacloprid 900g, dipotassium hydrogen phosphate 100 grams.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 200g water, with waving granulation, oven dry promptly gets Imidacloprid 90% water-soluble granular formulation.
Embodiment 13 Imidacloprids 25% contain the water-soluble granular formulation of trace element
Imidacloprid 250g, zinc sulphate 5 grams, copper sulphate 4 grams, iron sulfate 5 grams, manganese sulphate 8 grams, Selenium Sulphate 2 grams, calcium sulphate 10 grams, potassium dihydrogen phosphate 3 grams, potassium borate 8 grams, dipotassium hydrogen phosphate 5 grams, urea complement to 1000g.Be crushed to granularity less than 44 μ m after being stirred to abundant mixing, add 150g water, use extruder grain, oven dry promptly gets the water-soluble granular formulation that Imidacloprid 25% contains trace element.
Experimental example 1
This experimental example is to study the insecticidal effect of Imidacloprid water-soluble granular formulation in the greenhouse.
1. test method
1.1 test medicine preparation
25% Imidacloprid water-soluble granular formulation dissolved in distilled water according to preliminary experiment, is provided with 5-7 series mass concentration according to the method for geometric ratio or equal difference.
1.1.1 micro-dropper or capillary dropper are prepared
With micro-dropper or capillary dropper solvent clean, reconcile dropper to stand-by state.Looking kind and the size of examination worm determines the drop amount or selects the capillary dropper.
1.1.2 chemicals treatment
Choose the broad bean aphid of neat and consistent in the length of time with writing brush and (can adopt CO as required
2Or etherization) place culture dish standby.Examination worm in the culture dish is carried out drop by head handle, drop is in the polypide belly, every drop medicament 0.02-0.1 μ L.Examination worm behind the drop is transferred to respectively under the normal condition raises.Every processing 4 times repeats, and whenever repeats to be no less than 10 examination worms, and the processing of establishing the corresponding organic solvent that does not contain medicament in contrast.
1.2 investigation
Handle back 24h investigation examination worm death condition, write down total borer population and dead borer population.According to test requirements document and medicament characteristics, can shorten or prolong control time.
1.3 data statistics and analysis
1.3.1 computational methods
According to survey data, calculate the corrected mortality that each is handled, unit is percentage (%).By formula calculate (1), and result of calculation remains into 2 significant digits:
P
1＝K/N×100
In the formula: the P1-lethality, K-represents dead borer population, N-represents to handle total borer population.
Through experiment, the results are shown in Table 1.
Table 1
| Medicament | Dosage g (a.i.)/ha | Subjects | Lethality (%) | |
| 24 hours | 48 hours | |||
| 20% Imidacloprid SL | 22.5 | The broad bean aphid | 92.5 | 100 |
| 75% Imidacloprid WDG | 22.5 | 75.3 | 77.8 | |
| 10% Imidacloprid WP | 22.5 | 70.8 | 72.2 | |
| Embodiment 1 | 15 | 94.9 | 100 | |
| Embodiment 2 | 15 | 95.6 | 100 | |
| Embodiment 3 | 15 | 94.3 | 100 | |
| Embodiment 4 | 15 | 90.8 | 100 | |
| Embodiment 5 | 15 | 89.2 | 100 | |
| Embodiment 6 | 15 | 88.8 | 100 | |
| Embodiment 7 | 15 | 89.4 | 100 | |
| Embodiment 8 | 15 | 86.3 | 98.2 | |
| Embodiment 9 | 15 | 84.8 | 96.7 | |
| Embodiment 10 | 15 | 84.1 | 95.0 | |
| Embodiment 11 | 15 | 82.3 | 90.9 | |
| Embodiment 12 | 15 | 80.8 | 83.4 | |
| Embodiment 13 | 15 | 90.7 | 100 | |
Imidacloprid water-soluble granular formulation of the present invention as can be seen from Table 1 will improve more than 100% than at present domestic and international Imidacloprid conventional formulation drug effect.
Though above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (5)
1. water-soluble granular formulation that contains Imidacloprid, it is characterized in that, it contains Imidacloprid and at least a water-soluble inorganic salt or water soluble organic substance, the content of described Imidacloprid is 5～50%, the weight part ratio of described Imidacloprid and described water-soluble inorganic salt/water soluble organic substance is 10: 90～90: 10, described water-soluble inorganic salt is selected from sulphate, nitrate, hydrochloride, carbonate, phosphate, borate, silicate, described water soluble organic substance is selected from urea, carbohydrate, soluble starch, dextrin, citric acid, potassium citrate, amino acid, citric acid and sodium citrate.
2. water-soluble granular formulation as claimed in claim 1, it is characterized in that described water-soluble inorganic salt is selected from ammonium sulfate, zinc sulphate, copper sulphate, potassium sulphate, potassium acetate, sodium acetate, iron sulfate, manganese sulphate, Selenium Sulphate, ammonium nitrate, potassium dihydrogen phosphate, potassium borate, dipotassium hydrogen phosphate, sodium sulphate, sodium carbonate, potash, sodium bicarbonate, saleratus, potassium chloride, silicon potash fertilizer, calcium sulphate.
3. water-soluble granular formulation as claimed in claim 1 or 2; it is characterized in that; it also contains a kind of surfactant at least, and described surfactant is selected from lauryl sodium sulfate; Teepol; the alkyl amide taurate; polyvinylpyrrolidone potassium; sodium methylene bis-naphthalene sulfonate; HPMC; neopelex; polyoxyethylene fatty acid fat; polyoxyethylene aliphatic alcohol ether; the polyoxyethylene fatty amine; ethoxy castor oil; fatty acid polyethylene glycol ester; alkylphenol polyoxyethylene; fatty alcohol-polyoxyethylene ether; aliphatic amine polyoxyethylene ether; lignosulfonates; naphthalene sulfonate; the polyoxyethylene polyoxypropylene carboxylate.
4. the preparation method of any described water-soluble granular formulation of claim 1～3, it is characterized in that, comprise the steps: described Imidacloprid is mixed the back with machinery, air-flow or wet method sand milling with one or more water-soluble inorganic salts/water soluble organic substance, form with spraying, extruding, rotating disk, high strength mixing, mode granulation agravic or boiling then.
5. any described water-soluble granular formulation of claim 1～3 is in the application that is used for preventing and treating insect and domestic hygiene insect on fruit tree, vegetables, lawn, forest, underground, the flowers.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9578876B2 (en) | 2010-10-12 | 2017-02-28 | Ecolab Usa Inc. | Highly wettable, water dispersible, granules including two pesticides |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8110608B2 (en) | 2008-06-05 | 2012-02-07 | Ecolab Usa Inc. | Solid form sodium lauryl sulfate (SLS) pesticide composition |
| CN101669467B (en) * | 2009-09-29 | 2013-04-24 | 沙隆达集团公司 | Processing method for preparing imidacloprid wettable powder from crude imidacloprid |
| CN102578091B (en) | 2012-01-19 | 2013-06-12 | 山东潍坊润丰化工有限公司 | 2,4-D salt water-soluble granule and preparation method thereof |
| CN105076184A (en) * | 2014-05-12 | 2015-11-25 | 陈政忠 | Household pesticide effervescent tablet and preparation method thereof |
| CN113068709B (en) * | 2021-04-06 | 2022-10-18 | 北京优利拓普农作物科技有限公司 | Full-soluble granules and application thereof |
| CN116162003A (en) * | 2023-03-07 | 2023-05-26 | 贵州道元生物技术有限公司 | A kind of granular pesticide for preventing pests and its preparation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239641A (en) * | 1999-07-08 | 1999-12-29 | 江苏省农药研究所 | Iminoctadine pesticide preparation series |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239641A (en) * | 1999-07-08 | 1999-12-29 | 江苏省农药研究所 | Iminoctadine pesticide preparation series |
Non-Patent Citations (1)
| Title |
|---|
| 王凤芝等.70% 吡虫啉水分散粒剂的研制.《农药科学与管理》.2006,40-42. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9578876B2 (en) | 2010-10-12 | 2017-02-28 | Ecolab Usa Inc. | Highly wettable, water dispersible, granules including two pesticides |
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