CN102475086A - Avermectin water dispersible granule and its preparation method - Google Patents
Avermectin water dispersible granule and its preparation method Download PDFInfo
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- CN102475086A CN102475086A CN2010105606043A CN201010560604A CN102475086A CN 102475086 A CN102475086 A CN 102475086A CN 2010105606043 A CN2010105606043 A CN 2010105606043A CN 201010560604 A CN201010560604 A CN 201010560604A CN 102475086 A CN102475086 A CN 102475086A
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- avm
- water
- wetting agent
- dispersible granules
- dispersant
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Links
- 239000004562 water dispersible granule Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000005660 Abamectin Substances 0.000 title abstract 3
- RRZXIRBKKLTSOM-XPNPUAGNSA-N avermectin B1a Chemical compound C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 RRZXIRBKKLTSOM-XPNPUAGNSA-N 0.000 title abstract 3
- 239000000080 wetting agent Substances 0.000 claims abstract description 31
- 239000002270 dispersing agent Substances 0.000 claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 16
- 238000012216 screening Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 23
- 239000007884 disintegrant Substances 0.000 claims description 14
- 238000010298 pulverizing process Methods 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 8
- 150000001450 anions Chemical class 0.000 claims description 8
- 229920005646 polycarboxylate Polymers 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- PMYUVOOOQDGQNW-UHFFFAOYSA-N hexasodium;trioxido(trioxidosilyloxy)silane Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])O[Si]([O-])([O-])[O-] PMYUVOOOQDGQNW-UHFFFAOYSA-N 0.000 claims description 6
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 4
- -1 alkylaryl sodium naphthalene sulfonate Chemical compound 0.000 claims description 4
- 125000000129 anionic group Chemical group 0.000 claims description 4
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 229920001983 poloxamer Polymers 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 3
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 239000000575 pesticide Substances 0.000 description 10
- 239000003905 agrochemical Substances 0.000 description 9
- 231100000053 low toxicity Toxicity 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001404 mediated effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000000642 acaricide Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000000853 biopesticidal effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000004495 emulsifiable concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 231100000567 intoxicating Toxicity 0.000 description 1
- 230000002673 intoxicating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to an avermectin water dispersible granule and its preparation method. The granule comprises the following components by weight percent: 5-50 of avermectin, 1-10 of a dispersing agent, 0.5-5 of a wetting agent, 1-10 of a disintegrating agent, and the balance filler. The preparation method consists of: mixing the above raw materials well and milling the mixture in a jet mill uniformly, then adding water to mix the mixture into blocks, and conducting extruding granulation, placing an extruded granule into a drying oven for drying, finally carrying out reshaping and screening, thus obtaining a product. Compared with prior art, the granule of the invention has the advantages of no dust, high content of effective components, easy disintegration in water, good dispersibility, and high suspension rate, etc.
Description
Technical field
The present invention relates to a kind of agricultural chemicals and preparation method thereof, especially relate to a kind of AVM water-dispersible granules and preparation method thereof
Background technology
Great changes have all taken place in global in recent years agricultural chemicals policy; Particularly developed country is very strict to the use restriction of high poison, persistent pesticide; Particularly played the whole nation on January 1st, 2007 and forbid that high-toxic pesticide is after using on the agricultural; With increasing, and high malicious type pesticide species down will be superseded by unfeelingly in the effect of forbidding order to the demand of the environmental protection type agricultural chemical of efficient, low toxicity, low-residual in the domestic market.Limiting the use of and further forbid the trend that high-toxic pesticide is social development, also is the needs of realizing agricultural sustainable development.China's high-toxic pesticide occupies quite great proportion, accounts for 70%, and the western developed country situation is then opposite, only accounts for about 30%.
Data show, when totally supply exceed demand, low toxicity high-efficiency environment friendly class agricultural chemicals was in the tangible propagation process at agricultural chemicals, therefore, can estimate, and along with the increasing of governability dynamics, this of high-toxic pesticide and environment-protection pesticide disappears those long relations will be more obvious.
Improving constantly of Along with people's living standard; People are to the raising of environmental protection consciousness; And the Chinese government is to the attention of ecotope, on the domestic and international market to be fit to controlling crop diseases and insect pests and nuisanceless production needs efficiently, the demand of low toxicity, low-residual, free of contamination environment protection biological agricultural chemicals and chemical pesticide is increasing.And the low toxicity efficient and environment-friendly type agricultural chemicals market demand is supplied less greatly in the market.For this reason, our company rides in the powerful scientific research advantage of biopesticide and novel environment-friendly pesticides new formulation aspect developing, succeeds in developing the AVM water dispersible granules of the environmental type with independent intellectual property right.
For a long time, no matter the pesticide original medicine of every liquid state and the solid-state former medicine of sizable solvability is arranged in organic solvent is insecticide, miticide; Still bactericide or weed killer herbicide etc. all are that the form of processing missible oil is used mostly, and emulsifiable concentrates for agricultural chemicals is the important formulation of pesticidal preparations always; But owing to contain a large amount of inflammable organic solvents in the missible oil, strict to aspects such as production, storing and uses, like miscarriage; Operate not sternly, intoxicating phenomenon takes place easily or produce poisoning.Particularly in long-term use, a large amount of organic solvents evaporate in the atmosphere, environment has been caused seriously polluted, and all these problems have caused people's extensive concern.
Summary of the invention
The object of the invention is exactly that the pollution of a kind of minimizing to environment, active ingredient is high, suspensibility is high AVM water-dispersible granules and preparation method thereof are provided in order to overcome the defective that above-mentioned prior art exists.
The object of the invention can be realized through following technical scheme:
The AVM water-dispersible granules is characterized in that, this water-dispersible granules comprises following component and weight percent content:
AVM 5～50;
Dispersant 1～10;
Wetting agent 0.5～5;
Disintegrant 1～10;
The filler surplus.
Described dispersant is one or more in polycarboxylate salt dispersant, anionic sulphonate or the block copolymer.
Described anionic sulphonate is an alkylsulfonate, comprise Akzo Nobel N.V. dispersant D500 or D425; Described block copolymer comprises the Pluronic PE of BASF AG, the Efka4300 of EFKA chemical company and the Elvacite series dispersant of Efka4330 or Du Pont company.
Described wetting agent is one or more in alkyl sulfonates wetting agent, anion wetting agent or the alkylaryl sodium naphthalene sulfonate.
Described alkyl sulfonates wetting agent comprises the TERWET 1004 of HUNTSMAN company, and described anion wetting agent comprises the wetting agent Morwet EFW of Akzo Nobel N.V..
Described disintegrant is one or more in sodium carbonate, laminated crystal of sodium disilicate or the soluble starch.
Described filler is one or more in kaolin, precipitated calcium carbonate or the diatomite.
The preparation method of AVM water-dispersible granules is characterized in that, this method may further comprise the steps:
(1) get the raw materials ready according to following component and weight percent content:
AVM 5～50,
Dispersant 1～10,
Wetting agent 0.5～5,
Disintegrant 1～10,
The filler surplus;
(2) take by weighing AVM, wetting agent, dispersant, disintegrant and filler according to proportioning, place mixer to mix the back and evenly pulverize at airslide disintegrating mill;
(3) add entry in the material after pulverizing, in agitator, mediate then, make material be agglomerated into piece, kneaded material is used the Squeezinggranulator extruder grain;
(4) particle of extruding is placed baking oven inner drying 8～10h, the control oven temperature carries out shaping and promptly obtains product with screening at 50～55 ℃ after the drying.
The addition of the water described in the step (3) is 10～15wt% of the material after pulverizing.
Compared with prior art, the present invention has the following advantages:
(1) solved the percutaneous toxicity of missible oil, no dust to operator's safety, has also reduced the pollution to environment simultaneously;
(2) compare with other formulations, the water dispersible granules active constituent content is high, helps the agricultural chemicals decrement and uses;
(3) the product relative density is big, and volume is little, give packing, transportation, store and bring very big economy and society benefit, and packing material is easy to handle;
(4) entry easy disintegrating, good dispersion, suspensibility is high, makes utilization rate of active components improve greatly;
(5) suspension is good again, and the soup for preparing did not use up the same day, and second day warp stirs and can suspend again, do not influence application;
(6) to some unsettled former medicines in water, process the water dispersible granules better effects if.
Embodiment
Below in conjunction with specific embodiment the present invention is elaborated.
Embodiment 1
The preparation method of AVM water-dispersible granules, this method may further comprise the steps:
Prescription (percentage by weight): AVM 5%, polycarboxylate salt dispersant 1%, alkyl sulfonates wetting agent 0.5%, sodium carbonate 1%, precipitated calcium carbonate filler: surplus, supply 100%.
Operating procedure: successively AVM, polycarboxylate salt dispersant, alkyl sulfonates wetting agent, sodium carbonate, precipitated calcium carbonate and kaolin are placed in the container by above-mentioned prescription, pour in the mixer again and mix.In airslide disintegrating mill, pulverize evenly.The powder of pulverizing adds the water of 10% (mass ratio), in agitator, mediates, and makes material be agglomerated into piece.Kneaded material is used the Squeezinggranulator extruder grain.Be put in the particle of extruding in the baking oven, the control oven temperature is 54 ℃ of dryings.Carry out shaping and screening after the drying, obtain qualified product after the screening.
Embodiment 2
The preparation method of AVM water-dispersible granules, this method may further comprise the steps:
Prescription (percentage by weight): AVM 25%, polycarboxylate salt dispersant 3%, anion wetting agent 3%, laminated crystal of sodium disilicate 1%, kaolin 68%.
Operating procedure: successively AVM, polycarboxylate salt dispersant, anion wetting agent, laminated crystal of sodium disilicate and kaolin are placed in the container by above-mentioned prescription, pour in the mixer again and mix.In airslide disintegrating mill, pulverize evenly.The powder of pulverizing adds the water of 15% (mass ratio), in agitator, mediates, and makes material be agglomerated into piece.Kneaded material is used the Squeezinggranulator extruder grain.Be put in the baking oven inner drying to the particle of extruding.Carry out shaping and screening after the drying, obtain qualified product after the screening.
Embodiment 3
The preparation method of AVM water-dispersible granules, this method may further comprise the steps:
Prescription (percentage by weight): AVM 50%, polycarboxylate salt dispersant 10%, anion wetting agent 5%, laminated crystal of sodium disilicate 10%, kaolin 25%.
Operating procedure: successively AVM, polycarboxylate salt dispersant, anion wetting agent, laminated crystal of sodium disilicate and kaolin are placed in the container by above-mentioned prescription, pour in the mixer again and mix.In airslide disintegrating mill, pulverize evenly.The powder of pulverizing adds the water of 12% (mass ratio), in agitator, mediates, and makes material be agglomerated into piece.Kneaded material is used the Squeezinggranulator extruder grain.Be put in the baking oven inner drying to the particle of extruding.Carry out shaping and screening after the drying, obtain qualified product after the screening.
Embodiment 4
The preparation method of AVM water-dispersible granules, this method may further comprise the steps:
(1) gets the raw materials ready according to following component and content: AVM 5kg, dispersant 1kg, wetting agent 5kg, disintegrant 1kg, filler 88kg; Wherein dispersant be Akzo Nobel N.V. dispersant D500; Wetting agent is the TERWET 1004 of HUNTSMAN company and the mixture of alkylaryl sodium naphthalene sulfonate; Disintegrant is the mixture of sodium carbonate and soluble starch, and filler is precipitated calcium carbonate and diatomaceous mixture;
(2) take by weighing AVM, wetting agent, dispersant, disintegrant and filler according to proportioning, place mixer to mix the back and evenly pulverize at airslide disintegrating mill;
(3) add entry in the material after pulverizing, addition is mediated in agitator for the 10wt% of the material after pulverizing then, makes material be agglomerated into piece, and kneaded material is used the Squeezinggranulator extruder grain;
(4) particle of extruding is placed baking oven inner drying 8h, the control oven temperature carries out shaping and promptly obtains product with screening at 55 ℃ after the drying.
Embodiment 5
The preparation method of AVM water-dispersible granules, this method may further comprise the steps:
(1) gets the raw materials ready according to following component and content: AVM 50kg, dispersant 10kg, wetting agent 0.5kg, disintegrant 10kg, filler 29.5kg; Wherein dispersant is the Pluronic PE of BASF AG; Wetting agent is the alkylaryl sodium naphthalene sulfonate; Disintegrant is a soluble starch, and filler is a precipitated calcium carbonate;
(2) take by weighing AVM, wetting agent, dispersant, disintegrant and filler according to proportioning, place mixer to mix the back and evenly pulverize at airslide disintegrating mill;
(3) add entry in the material after pulverizing, addition is mediated in agitator for the 15wt% of the material after pulverizing then, makes material be agglomerated into piece, and kneaded material is used the Squeezinggranulator extruder grain;
(4) particle of extruding is placed baking oven inner drying 10h, the control oven temperature carries out shaping and promptly obtains product with screening at 50 ℃ after the drying.
Claims (9)
1. the AVM water-dispersible granules is characterized in that, this water-dispersible granules comprises following component and weight percent content:
AVM 5～50;
Dispersant 1～10;
Wetting agent 0.5～5;
Disintegrant 1～10;
The filler surplus.
2. AVM water-dispersible granules according to claim 1 is characterized in that, described dispersant is one or more in polycarboxylate salt dispersant, anionic sulphonate or the block copolymer.
3. AVM water-dispersible granules according to claim 2; It is characterized in that; Described anionic sulphonate is an alkylsulfonate, comprise Akzo Nobel N.V. dispersant D500 or the described block copolymer of the D425 Pluronic PE, the Efka4300 of EFKA chemical company and the Elvacite series dispersant of Efka4330 or Du Pont company that comprise BASF AG.
4. AVM water-dispersible granules according to claim 1 is characterized in that, described wetting agent is one or more in alkyl sulfonates wetting agent, anion wetting agent or the alkylaryl sodium naphthalene sulfonate.
5. AVM water-dispersible granules according to claim 4; It is characterized in that; Described alkyl sulfonates wetting agent comprises the TERWET 1004 of HUNTSMAN company, and described anion wetting agent comprises the wetting agent Morwet EFW of Akzo Nobel N.V..
6. AVM water-dispersible granules according to claim 1 is characterized in that, described disintegrant is one or more in sodium carbonate, laminated crystal of sodium disilicate or the soluble starch.
7. AVM water-dispersible granules according to claim 1 is characterized in that, described filler is one or more in kaolin, precipitated calcium carbonate or the diatomite.
8. the preparation method of AVM water-dispersible granules as claimed in claim 1 is characterized in that, this method may further comprise the steps:
(1) get the raw materials ready according to following component and weight percent content:
AVM 5～50,
Dispersant 1～10,
Wetting agent 0.5～5,
Disintegrant 1～10,
The filler surplus;
(2) take by weighing AVM, wetting agent, dispersant, disintegrant and filler according to proportioning, place mixer to mix the back and evenly pulverize at airslide disintegrating mill;
(3) add entry in the material after pulverizing, in agitator, mediate then, make material be agglomerated into piece, kneaded material is used the Squeezinggranulator extruder grain;
(4) particle of extruding is placed baking oven inner drying 8～10h, the control oven temperature carries out shaping and promptly obtains product with screening at 50～55 ℃ after the drying.
9. the preparation method of AVM water-dispersible granules according to claim 8 is characterized in that, the addition of the water described in the step (3) is 10～15wt% of the material after pulverizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010560604.3A CN102475086B (en) | 2010-11-25 | 2010-11-25 | Avermectin water dispersible granule and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010560604.3A CN102475086B (en) | 2010-11-25 | 2010-11-25 | Avermectin water dispersible granule and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102475086A true CN102475086A (en) | 2012-05-30 |
| CN102475086B CN102475086B (en) | 2014-05-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010560604.3A Active CN102475086B (en) | 2010-11-25 | 2010-11-25 | Avermectin water dispersible granule and its preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696641A (en) * | 2012-06-18 | 2012-10-03 | 吕昆明 | Molluscicide for Pomacea canaliculata and production method for molluscicide |
| CN104663681A (en) * | 2015-02-16 | 2015-06-03 | 武汉理工大学 | Abamectin water dispersible nano-composite granule and preparation method thereof |
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| CN1568695A (en) * | 2003-06-27 | 2005-01-26 | 北京邦农达生物工程技术有限公司 | Stable methylamino avermectin water dispersed granula |
| CN1781372A (en) * | 2004-12-03 | 2006-06-07 | 武汉绿世纪生物工程有限责任公司 | Water dispersion particle agent of abamectin and its producing method |
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2010
- 2010-11-25 CN CN201010560604.3A patent/CN102475086B/en active Active
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| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696641A (en) * | 2012-06-18 | 2012-10-03 | 吕昆明 | Molluscicide for Pomacea canaliculata and production method for molluscicide |
| CN104663681A (en) * | 2015-02-16 | 2015-06-03 | 武汉理工大学 | Abamectin water dispersible nano-composite granule and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN102475086B (en) | 2014-05-28 |
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