CN101999347A - Pymetrozine water dispersible granule - Google Patents
Pymetrozine water dispersible granule Download PDFInfo
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- CN101999347A CN101999347A CN2010105266287A CN201010526628A CN101999347A CN 101999347 A CN101999347 A CN 101999347A CN 2010105266287 A CN2010105266287 A CN 2010105266287A CN 201010526628 A CN201010526628 A CN 201010526628A CN 101999347 A CN101999347 A CN 101999347A
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- pymetrozine
- dispersant
- water dispersing
- wetting agent
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Abstract
The invention relates to the technical field of pesticide preparation production and processing, in particular to a high-content pymetrozine water dispersible granule, which comprises the following components in percentage by weight: (1) 50% -80% of raw drug substance pymetrozine; (2) 0.5-5% of dispersant; (3) 0.1-5% of wetting agent; and (4) the balance of filler. A disintegrating agent also can be added. Compared with other formulations of pymetrozine, the content of active ingredients is substantially improved, thereby reducing the waste of additives and other auxiliary materials, and reducing environmental pollution.
Description
Technical field
The invention belongs to formulations of pesticide production and processing technical field.
Background technology
Pyrrole aphid ketonize formal name used at school claims: 4,5-dihydro-6-methyl-4-(3-pyridine methylene amino)-1,2,4-3 (2H)-ketone, it is the insecticide of high-efficiency low-toxicity, it is difficult for producing resistance to control of insect to environment, people, animal, pest natural enemy and other beneficial organism safety, and it belongs to eco-friendly insecticide.Pyrrole aphid ketone can be used for the anti-various pests such as section, Delphacidae, Aleyrodidae, Cicadellidae that eliminate aphis, as cabbage aphid, cotten aphid, wheat aphid, black peach aphid, little green statin leafhopper, small brown rice planthopper, sweet potato whitefly and greenhouse whitefly etc.The scope of application: vegetables, wheat, paddy rice, cotton, fruit tree.
Be that the formulation that former medicine is developed is mainly: wetting powder, suspending agent with pyrrole aphid ketone at present.As be processed into suspending agent, and it is subjected to the influence of solid content (active ingredient and other solid materials), and mobile meeting variation is even not mobile, becomes paste.Wetting powder can be processed into high-load, but is subjected to the influence of dust, uses inconvenient.Pyrrole aphid ketone is processed into missible oil needs very appropriate organic solvent that it is dissolved, so be subjected to the restriction of solvability, does not have pyrrole aphid ketone missible oil formulation on the market.
The former medicine of pyrrole aphid ketone is processed into water dispersible granules, can effectively addresses the above problem, this formulation good flowing properties, easy to use, no dust from flying, very safe.
Simultaneously, the maximum level that pyrrole aphid ketone wetting powder and pymetrozine suspension agent can be processed at present is 25%, and pyrrole aphid ketone is processed into the active constituent content that water dispersible granules can improve preparation greatly, because its technology is different with other formulation, at first it is a solid, does not need to consider the flowability of liquid preparation, again without organic solvent dissolution, surfactant with solid mixes after the granularity that can bring into play drug effect as long as it is crushed to, and dispersion suspension gets final product during sprinkling.
Summary of the invention
Technical problem to be solved by this invention provides the high pymetrozine water dispersing granule of the good and former medicine content of a kind of properties of product.
The present invention solves the problems of the technologies described above the technical scheme of being taked to be:
A kind of pymetrozine water dispersing granule, contain by percentage to the quality:
(1) the former medicine of pyrrole aphid ketone of 50%-80%;
(2) dispersant of 0.5-5%;
(3) wetting agent of 0.1-5%;
(4) surplus is a filler.
Can also add to help and collapse agent, adding contains after helping and collapsing agent by percentage to the quality:
(1) the former medicine of pyrrole aphid ketone of 50%-80%;
(2) dispersant of 0.5-5%;
(3) wetting agent of 0.1-5%;
(4) helping of 0.1-5% collapsed agent
(5) surplus is a filler.
Described dispersant is one or more the mixing in alkyl naphthalene sulfonic acid condensation polymer, alkyl naphthalene sulfonic acid polycondensation sodium salt, polycarboxylate, di-2-ethylhexylphosphine oxide bitter edible plant sulfonic acid, the sodium lignin sulfonate.
Described wetting agent is one or more the mixing in alkylnaphthalene sulfonate, anion wetting agent, the naphthalene sulfonate.
Described filler is one or more the mixing in kaolin, corn starch, the diatomite.
Describedly help that to collapse agent be one or both mixing in glucose and the urea.
Beneficial effect of the present invention is:
(1) pyrrole aphid ketone is processed into the formulation of water dispersible granules, compare other formulation of pyrrole aphid ketone, do not need to consider the flowability of liquid preparation, again without organic solvent dissolution, surfactant with solid mixes after the granularity that can bring into play drug effect as long as it is crushed to, and dispersion suspension gets final product during sprinkling, and content of effective is greatly improved, thereby reduced the waste of other auxiliary materials such as auxiliary agent, reduced pollution environment.
(2) in adding wet blender, add mixing of materials and pulverizing back wet in the preparation process of the present invention, used adhesive is a water, water can cohere material and carry out follow-up granulation, need not has the material of stickiness to do adhesive with other, on the other hand, because granulation oven dry back water can evaporate fully, and the material of stickiness is not arranged in the final products, can make the entry disintegration time of product shorter.
Embodiment
The present invention is intended to protect a kind of pymetrozine water dispersing granule.
In the prescription, active ingredient is to the selection of auxiliary agent, and the mutual adapted between auxiliary agent, as dispersant and wetting agent, is the key of decision properties of product.
In the prescription, dispersant is used to make the agricultural chemicals finished product to have dispersiveness and suspension preferably.If dispersant is very few, can influence pesticidal properties, such as pesticide activity, suspensibility; And if too high levels is unfavorable for the disintegration of agricultural chemicals, and influential to processing technology.
Wetting agent can make dispersant play a role active ingredient is well disperseed, and increases the wetting of active ingredient and opening up.
Help and collapse agent and help to reduce particle entry disintegration time.
The effect of filler is to fill and absorption, concrete filler of using and proportioning have significant effects to the performance of product in the preparation, filling mixture ratio suitably can increase the product disintegration rate, reduce the difficulty of processing granulating, stability to product is also beneficial, through verification experimental verification, corn starch and diatomite mix as filler with 1: 3 ratio, perhaps corn starch and kaolin properties of product the best when ratio was mixed as filler with 1: 3.
In adding wet blender, add all the components mixing and pulverizing back wet in the preparation process of the present invention, used adhesive is a water, water can cohere material and carry out follow-up granulation, need not has the material of stickiness to do adhesive with other, on the other hand, because granulation oven dry back water can evaporate fully, and the material of stickiness is not arranged in the final products, can make the entry disintegration time of product shorter.
Following embodiment is of the present invention specifying, and wherein mentioned component and proportioning thereof is not limitation of the invention among the embodiment, and the present invention protected, and also to be not limited to embodiment listed.
Embodiment one 50% pymetrozine water dispersing granule
Each component and proportioning thereof are as follows:
| Composition | Ratio (%) |
| The former medicine of pyrrole aphid ketone | 50 |
| NNO (di-2-ethylhexylphosphine oxide bitter edible plant sulfonic acid dispersant) | 2 |
| Norway Bao Lige Ufoxane 3A (sodium lignin sulfonate dispersant) | 2 |
| W-04 (naphthalene sulfonate wetting agent) | 4 |
| Glucose (help and collapse agent) | 0.5 |
| Corn starch (filler) | 10 |
| Diatomite (filler) | 31.5 |
Its preparation method is as follows:
With 50kg pyrrole aphid ketone (former medicine); 2kg NNO (di-2-ethylhexylphosphine oxide bitter edible plant sulfonic acid dispersant); 2kg Norway Bao Lige Ufoxane 3A (sodium lignin sulfonate dispersant); 4kg w-04 (naphthalene sulfonate wetting agent) and 0.5kg glucose (help and collapse agent) drop in the cone blender and mixed 30 minutes; the material that mixes is pulverized through airslide disintegrating mill; powder particle diameter is smaller or equal to 20 μ m; the material that crushes is collected in second cone blender; and make total amount reach 100kg and stir to wherein adding 10kg corn starch and 29.5kg diatomite; mixing time is 1 hour; material put into add wet blender water and add wet; carry out granulation with comminutor then; with the particle oven dry of making; screening detects and obtains 50% pymetrozine water dispersing granule.
50% prepared pymetrozine water dispersing granule can reach following technical indicator:
| Test item | Index |
| Moisture | ≤3％ |
| Suspensibility (measuring) according to GB/T 14825-93 method | ≥85％ |
| Dispersed | ≥70％ |
| Disintegration time (S) (measuring) according to the remarks method is 1. middle | ≤ 80 seconds |
| Heat storage stability (measuring) according to GB/T 19136-2003 method | Qualified |
Remarks disintegrative assay method is: to 100ml tool plug graduated cylinder (the interior high 22.5cm that contains 90ml distilled water, internal diameter 28cm) adds sample particle (0.5g) down in 25 ℃ in, clamp the graduated cylinder middle part afterwards, clog the graduated cylinder mouth, speed with 8r/min is rotated around the center, up to sample disintegration fully in water, used time.
The drug effect of 50% prepared pymetrozine water dispersing granule is as follows:
50% pymetrozine water dispersing granule 16g/ mu to rice fulgorid after 1 day preventive effect be 81.5%, preventive effect is 92% after 7 days, preventive effect is 90% after 14 days, preventive effect reached 100% in 21 days, as seen 50% pymetrozine water dispersing granule is to rice fulgorid preventive effect excellence, quick-acting is poor slightly, and the lasting period is very long, and medication is once pushed up twice.
Embodiment 2 70% pymetrozine water dispersing granules
Each component and proportioning thereof are as follows:
| Composition | Ratio (%) |
| The former medicine of pyrrole aphid ketone | 70 |
| Hensel steps TERSPERSE 2425 (alkyl naphthalene sulfonic acid condensation polymer dispersant) | 3 |
| Norway Bao Lige Ufoxane 3A (sodium lignin sulfonate dispersant) | 2 |
| Aksu Morwet EFW (alkylnaphthalene sulfonate wetting agent) | 4 |
| Hensel steps TERWET 1004 (anion wetting agent) | 1 |
| Urea (help and collapse agent) | 1 |
| Corn starch (filler) | 5 |
| Kaolin (filler) | 14 |
Its preparation method is as follows:
With 70kg pyrrole aphid ketone (former medicine); the 3kg Hensel steps TERSPERSE 2425 (alkyl naphthalene sulfonic acid condensation polymer dispersant); 2kg Norway Bao Lige Ufoxane 3A (sodium lignin sulfonate dispersant); 4kg Aksu MorwetEFW (alkylnaphthalene sulfonate wetting agent); the 1kg Hensel steps TERWET 1004 (anion wetting agent); 1kg urea (help and collapse agent) drops in the cone blender and mixed 30 minutes; the material that mixes is pulverized through airslide disintegrating mill; powder particle diameter is smaller or equal to 20 μ m; the material that crushes is collected in second cone blender; and make total amount reach 100kg and stir to wherein adding 5kg corn starch and 14kg kaolin; mixing time is 1 hour; material put into add wet blender and add entry and add wet as adhesive; carry out granulation with comminutor then; with the particle oven dry of making; screening detects and obtains 70% pymetrozine water dispersing granule.
70% prepared pymetrozine water dispersing granule can reach following technical indicator:
| Test item | Index |
| Moisture | ≤3％ |
| Suspensibility (measuring) according to GB/T 14825-93 method | ≥80％ |
| Dispersed | ≥70％ |
| Disintegration time (S) (measuring) according to the remarks method is 1. middle | ≤ 85 seconds |
| Heat storage stability (measuring) according to GB/T 19136-2003 method | Qualified |
Embodiment 3 80% pymetrozine water dispersing granules
Each component and proportioning thereof are as follows:
| Composition | Ratio (%) |
| The former medicine of pyrrole aphid ketone | 80 |
| Aksu Morwet D-425 (alkyl naphthalene sulfonic acid polycondensation sodium salt dispersant) | 2 |
| Hensel steps TERSPERSE 2700 (polycarboxylate salt dispersant) | 2 |
| NNO (di-2-ethylhexylphosphine oxide bitter edible plant sulfonic acid dispersant) | 1 |
| Aksu Morwet EFW (alkylnaphthalene sulfonate wetting agent) | 1 |
| Hensel steps TERWET 1004 (anion wetting agent) | 1 |
| W-04 (naphthalene sulfonate wetting agent) | 2 |
| Glucose (help and collapse agent) | 0.5 |
| Urea (help and collapse agent) | 0.5 |
| Diatomite (filler) | 10 |
Its preparation method is as follows:
With 80kg pyrrole aphid ketone (former medicine); 2kg Aksu Morwet D-425 (alkyl naphthalene sulfonic acid polycondensation sodium salt dispersant); the 2kg Hensel steps TERSPERSE 2700 (polycarboxylate salt dispersant); 1kg NNO (di-2-ethylhexylphosphine oxide bitter edible plant sulfonic acid dispersant); 1kg Aksu Morwet EFW (alkylnaphthalene sulfonate wetting agent); the 1kg Hensel steps TERWET 1004; 2kg w-04 (naphthalene sulfonate wetting agent); 0.5kg dropping in the cone blender, glucose (help and collapse agent) and 0.5kg urea (help and collapse agent) mixed 30 minutes; the material that mixes is pulverized through airslide disintegrating mill; powder particle diameter is smaller or equal to 20 μ m; the material that crushes is collected in second cone blender; and make total amount reach 100kg and stir to wherein adding 10kg diatomite; mixing time is 1 hour; material put into add wet blender and add water and add wet; carry out granulation with comminutor then; with the particle oven dry of making; screening detects and obtains 80% pymetrozine water dispersing granule.
80% prepared pymetrozine water dispersing granule can reach following technical indicator:
| Test item | Index |
| Moisture | ≤3％ |
| Suspensibility (measuring) according to GB/T 14825-93 method | ≥75％ |
| Dispersed | ≥70％ |
| Disintegration time (S) (measuring) according to the remarks method is 1. middle | ≤ 90 seconds |
| Heat storage stability (measuring) according to GB/T 19136-2003 method | Qualified |
Claims (6)
1. pymetrozine water dispersing granule, contain by percentage to the quality:
(1) the former medicine of pyrrole aphid ketone of 50%-80%;
(2) dispersant of 0.5-5%;
(3) wetting agent of 0.1-5%;
(4) surplus is a filler.
2. a kind of pymetrozine water dispersing granule according to claim 1 is characterized in that: can also add to help and collapse agent, adding contains after helping and collapsing agent by percentage to the quality:
(1) the former medicine of pyrrole aphid ketone of 50%-80%;
(2) dispersant of 0.5-5%;
(3) wetting agent of 0.1-5%;
(4) helping of 0.1-5% collapsed agent;
(5) surplus is a filler.
3. a kind of pymetrozine water dispersing granule according to claim 1 and 2 is characterized in that: described dispersant is one or more the mixing in alkyl naphthalene sulfonic acid condensation polymer, alkyl naphthalene sulfonic acid polycondensation sodium salt, polycarboxylate, di-2-ethylhexylphosphine oxide bitter edible plant sulfonic acid, the sodium lignin sulfonate.
4. a kind of pymetrozine water dispersing granule according to claim 1 and 2 is characterized in that: described wetting agent is one or more the mixing in alkylnaphthalene sulfonate, anion wetting agent, the naphthalene sulfonate.
5. a kind of pymetrozine water dispersing granule according to claim 1 and 2 is characterized in that: described filler is one or more the mixing in kaolin, corn starch, the diatomite.
6. a kind of pymetrozine water dispersing granule according to claim 2 is characterized in that: describedly help that to collapse agent be one or both mixing in glucose and the urea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105266287A CN101999347A (en) | 2010-10-28 | 2010-10-28 | Pymetrozine water dispersible granule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105266287A CN101999347A (en) | 2010-10-28 | 2010-10-28 | Pymetrozine water dispersible granule |
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| CN101999347A true CN101999347A (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105266287A Pending CN101999347A (en) | 2010-10-28 | 2010-10-28 | Pymetrozine water dispersible granule |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696629A (en) * | 2012-05-14 | 2012-10-03 | 安徽省化工研究院 | Functional pymetrozine insecticide and preparation method thereof |
| CN104904711A (en) * | 2015-06-15 | 2015-09-16 | 惠州市银农科技股份有限公司 | Pymetrozine water-dispersible granule and preparation method thereof |
| CN105831115A (en) * | 2016-03-31 | 2016-08-10 | 广东中迅农科股份有限公司 | Water-dispersible granule and clean production method thereof |
| CN113424832A (en) * | 2021-07-02 | 2021-09-24 | 中化化工科学技术研究总院有限公司 | Pymetrozine and dinotefuran dry suspending agent and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101258849A (en) * | 2008-04-18 | 2008-09-10 | 江苏瑞禾化学有限公司 | Acetamiprid water dispersion granule and preparation thereof |
| CN101416634A (en) * | 2008-11-06 | 2009-04-29 | 张少武 | Insecticidal composition containing pymetrozine |
| CN101773115A (en) * | 2010-01-28 | 2010-07-14 | 惠州市银农科技有限公司 | Preparation method of pesticide water dispersible granules having fast disintegration property |
-
2010
- 2010-10-28 CN CN2010105266287A patent/CN101999347A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101258849A (en) * | 2008-04-18 | 2008-09-10 | 江苏瑞禾化学有限公司 | Acetamiprid water dispersion granule and preparation thereof |
| CN101416634A (en) * | 2008-11-06 | 2009-04-29 | 张少武 | Insecticidal composition containing pymetrozine |
| CN101773115A (en) * | 2010-01-28 | 2010-07-14 | 惠州市银农科技有限公司 | Preparation method of pesticide water dispersible granules having fast disintegration property |
Non-Patent Citations (2)
| Title |
|---|
| 《农药》 20080930 刘建华等 50%吡蚜酮水分散粒剂的研制 1-6 第646-647页 第47卷, 第9期 * |
| 《农药科学与管理》 20100215 章东生等 吡蚜酮70%水分散粒剂的研制 第39-41页 1-6 第31卷, 第2期 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696629A (en) * | 2012-05-14 | 2012-10-03 | 安徽省化工研究院 | Functional pymetrozine insecticide and preparation method thereof |
| CN104904711A (en) * | 2015-06-15 | 2015-09-16 | 惠州市银农科技股份有限公司 | Pymetrozine water-dispersible granule and preparation method thereof |
| CN104904711B (en) * | 2015-06-15 | 2016-03-16 | 惠州市银农科技股份有限公司 | Pymetrozine water dispersing granule and preparation method thereof |
| CN105831115A (en) * | 2016-03-31 | 2016-08-10 | 广东中迅农科股份有限公司 | Water-dispersible granule and clean production method thereof |
| CN113424832A (en) * | 2021-07-02 | 2021-09-24 | 中化化工科学技术研究总院有限公司 | Pymetrozine and dinotefuran dry suspending agent and preparation method thereof |
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Application publication date: 20110406 |