CN108684689A - A kind of emamectin-benzoate water dispersible granules and preparation method thereof - Google Patents
A kind of emamectin-benzoate water dispersible granules and preparation method thereof Download PDFInfo
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- CN108684689A CN108684689A CN201810756912.XA CN201810756912A CN108684689A CN 108684689 A CN108684689 A CN 108684689A CN 201810756912 A CN201810756912 A CN 201810756912A CN 108684689 A CN108684689 A CN 108684689A
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- Prior art keywords
- benzoate
- emamectin
- dispersible granules
- water dispersible
- dispersant
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
Abstract
The invention discloses a kind of emamectin-benzoate water dispersible granules and preparation method thereof, it is formulated including Methylaminoemamectin benzoate 0.1-30% by mass percentage, adhesive 5-10%, dispersant 7-13%, the filler of wetting agent 1-3% and surplus, preparation method is the Methylaminoemamectin benzoate and dispersant of said ratio, wetting agent, and filler is sufficiently mixed uniformly, after being crushed to target grain size, the aqueous solution for spraying into adhesive is mediated, it mediates after completing through being granulated, it is dry, emamectin-benzoate water dispersible granules finished product is made after screening.The invention greatly improves product yield while not influencing its drug effect, reaches 95~97% or more, and reduces dust yield, reduces loss, has saved cost.
Description
Technical field
The invention belongs to pesticide field more particularly to a kind of emamectin-benzoate water dispersible granules and its systems
Preparation Method.
Background technology
Water dispersible granules (WG, WDG) can be disintegrated and be dispersed into the granular preparation of suspension rapidly after being a kind of plus water, because
Its safety is good, the advantages that facilitating without dust, packed and transported, becomes a kind of environment-friendly pesticide type novel form in recent years.
Emamectin-benzoate water dispersible granules are current international very few to replace 5 kinds of high-toxic pesticides
Novel, efficient, less toxic, safe, nuisanceless, noresidue Biocidal acaricide, activity is high, insecticidal spectrum is wide, have stomach toxicity,
Action of contace poison.It, can be with most of combined use of pesticides to mite class, Lepidoptera, coleopteran pest activity highest, and to safety of human and livestock.
The preparation of emamectin-benzoate water dispersible granules at present is usually by emamectin benzoate benzene first
Hydrochlorate active compound, dispersant, disintegrant, wetting agent and filler are by crushing, being granulated, dry, screening is made, gained in preparation process
Granula is more loose, and it is loose to be easy to cause particle in drying, screening process, and it is big to generate Dust Capacity, not only causes raw material unrestrained
Take, product yield is low, and generally between 80%-90%, production cost greatly increases, and causes dust pollution.
The Chinese invention patent of Patent No. 201010103246.3 discloses a kind of fater disintegration emamectin benzoate
Benzoate water dispersible granules and its manufacturing method, the emamectin-benzoate water dispersible granules include pressing quality hundred
Divide than meter:The pesticide active ingredient emamectin-benzoate of 0.1-50%, the dispersant of 2-20%, 5-15% are helped
Collapse agent, the wetting agent of 0.1-5% and surplus filler.Its manufacturing method mixes the above-mentioned components in certain proportion in addition to filler
It closes, crush, add the filler mixing of surplus;Mixture add water add it is wet after make pesticide granules of the grain size between 0.8-2mm;
The particle is dried, finished pesticide is made for after screening.The emamectin benzoate benzoic acid that the inventive method produces
Brine dispersion granule pesticide disintegration rate is about 20 seconds, greatly shortens mixing time when use, improves work efficiency.But it should
Invention does not refer to the improvement to the product yield of product.
The Chinese invention patent of Patent No. 201710652776.5 discloses a kind of emamectin-benzoate
Granule and its production method, the granule are grouped as by each group of following parts by weight:Emamectin-benzoate
20-30 parts of active compound, 6-10 parts of dispersant, 2-5 parts of wetting agent, 20-25 parts of disintegrant, 5-10 parts of binder, 20-47 parts of filler.
Its production method is by the Methylaminoemamectin benzoate of said ratio and dispersant, wetting agent, binder, disintegration
Agent and filler are sufficiently mixed uniformly, and granule finished product is caused after beating powder to target grain size.The component of the invention adds bonding
Agent improves the utilization rate of Methylaminoemamectin benzoate to a certain extent, but since its binder is added
Shortcoming on opportunity, what yield rate was promoted is not obvious.
Therefore, a kind of a kind of emamectin-benzoate water with high product yield is developed regarding to the issue above
Dispersible granule and preparation method thereof not only has urgent researching value, it may have good economic benefit and commercial Application are latent
Power, where this power that exactly present invention is accomplished and basis.
Invention content
In order to overcome the defect of the prior art as indicated above, the present inventor to have made intensive studies this, paying
After a large amount of creative works, so as to complete the present invention.
Specifically, the technical problem to be solved by the present invention is to:A kind of emamectin-benzoate water is provided
Dispersible granule and preparation method thereof, with solve existing emamectin-benzoate water dispersible granules production yield rate it is low,
Big, the of high cost and serious dust pollution problem of material loss.
In order to solve the above technical problems, the technical scheme is that:
A kind of emamectin-benzoate water dispersible granules, including methylamino Avermectin by mass percentage
Plain benzoate active compound 0.1-30%, adhesive 5-10%, dispersant 7-13%, the filler of wetting agent 1-3% and surplus.
In the present invention, as an improvement, the emamectin-benzoate water dispersible granules include pressing matter
Measure the Methylaminoemamectin benzoate 28.5% of percentages, adhesive 8%, dispersant 10%, wetting agent 2.5%
With the filler of surplus.
In the present invention, as an improvement, described adhesive is made of starch, dextrin and carboxymethyl cellulose, in institute
It states in adhesive, the starch quality accounting is 50-60%, the dextrin quality accounting 30-40%, the carboxymethyl cellulose
Quality accounting be 5-15%.
In the present invention, as an improvement, in described adhesive, the starch quality accounting is 50%, the paste
The quality accounting of extract Iuality accounting 40%, the carboxymethyl cellulose is 10%.
In the present invention, as an improvement, the dispersant is by polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant
The quality proportioning of composition, the polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant is 1:4-1:1.
In the present invention, as an improvement, the quality of the polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant is matched
Than being 1:1.
In the present invention, as an improvement, the wetting agent is KR-06 Sulfonates wetting agents.
In the present invention, as an improvement, the filler is kaolin.
A kind of preparation method of emamectin-benzoate water dispersible granules, by emamectin benzoate benzoic acid
Salt active compound is sufficiently mixed uniformly with dispersant, wetting agent and filler, after being crushed to target grain size, sprays into the water-soluble of adhesive
Liquid is mediated, mediate complete after after granulation, drying, screening be made emamectin-benzoate water dispersible granules at
Product.
The preparation method of the emamectin-benzoate water dispersible granules, steps are as follows:
S01, binder aqueous solution is prepared:Adhesive is added into deionized water, the deionized water quality accounts for described
The 28-30% of all dispensing quality of emamectin-benzoate is uniformly mixed obtained binder aqueous solution;
S02, batch mixing:Will according to match load weighted Methylaminoemamectin benzoate, dispersant, wetting agent and
Filler is put into mixing machine, starts mixing 60min and batch mixing is made;
S03, crushing:Batch mixing made of step S02 is put into micro jet, airslide disintegrating mill pressure is adjusted
1.0MPa, frequency 60Hz, powder particle diameter control are 3-5 μm;
S04, kneading:Material made of step S03 is added and is mediated into vacuum kneader, is continued in kneading process
Binder aqueous solution atomization made from step S01 is sprayed into, vacuum kneader rotating speed 40rpm, vacuum degree -0.096MPa are adjusted,
Duration 40min is mediated in control;
S05, granulation:Plastic type material made of step S04 is added in Squeezinggranulator and carries out extruder grain;
S06, drying:Granule materials made of step S05 are added into vacuum drier, control drying temperature 50-60
DEG C, drying time 0.5-1h;
S07, screening:By in the material transmission to vibration material screening machine after step S06 drying, the material that upper layer comes out is as first
Amino abamectin benzoate water dispersible granules finished product.
After using above-mentioned technical proposal, the present invention has the advantages that compared with prior art:
(1) compared with prior art, in a kind of dispensing of emamectin-benzoate water dispersible granules of the invention
It adds adhesive, eliminate disintegrant, therefore in water dispersible granules preparation process, the adhesiveness between material increases, and keeps away
Exempt to cause particle loose in drying, screening process, has generated dust, improve product yield.
(2) adhesive in the invention is compounded by starch, dextrin and carboxymethyl cellulose, and starch is cheap and easy to get and viscous
It is good to close performance, the viscosity of drug powder can be improved, avoiding it from occurring in granulation, drying and screening process, particle is loose to be showed
As;Dextrin is made from starch is decomposed and hydrolyzed under heated, sour or diastatic action, with starch as bonding
Agent is used cooperatively, and improves its adhesive property.
In the present invention, it is not necessary that other disintegrants are added, because inventor has found in long-term practice, collapsed if be added
Agent is solved, can product yield be decreased, the present invention selects starch as one of component of adhesive, and starch is viscous in addition to having
Knot effect is outer, additionally it is possible to the suspension during water dispersible granules use is improved, but its compressibility of starch is bad, dosage is more
When, the hardness of water dispersible granules can be influenced, secondly, the mobility of starch is bad, and additional starch can excessively influence the flowing of particle
Property.
Therefore carboxymethyl cellulose is added in invention adhesive compounding component, acted synergistically with starch, dextrin, no
The caking property for improving only drug powder in water dispersible granules preparation process improves its yield rate, and also has and improve moisture
The function of shot agent disintegration in use avoids the biography on the basis of ensure that drug disintegration rate and effect
Unite product due to additional disintegrant is added in dispensing caused by product yield reduce defect.
(3) dispersant in the invention is compounded by polycarboxylate salt dispersant and poly naphthalene sulfonate, with traditional dispersant
It compares, which has the advantages that:1. dosage is few, performance is high, and stability is good;2. in suspension system
The sensibility such as ionic type, temperature are small, there is excellent suspending stabilized performance;In addition the poly naphthalene sulfonate in component has hydrophilic
Property very strong sulfonic group, can keep stable in acid or alkaline medium, will not be with the calcium ions and magnesium ions knot in system
It closes and forms precipitation, there is very strong resistance to hard water, it is easy to be used in compounding with polycarboxylate salt dispersant, improve water dispersible granules
Dispersion performance.
(4) dispersant in the invention selects KR-06 Sulfonates wetting agents, flow point 0.702, other opposite wettings
The flow point of agent is relatively low, and wetting effect is preferable, and dosage is few, and the wetting agent helps the disintegrating property good, is granulated smooth.
(5) in the prior art, the preparation of emamectin-benzoate water dispersible granules is by methylamino Avermectin
Plain benzoate active compound and its auxiliary agent, including binder are sufficiently mixed uniformly, then be crushed to after target grain size cause granule at
Product, this with to have disintegrant in existing product be related;A kind of emamectin benzoate benzoic acid that the invention provides
The preparation method of brine dispersion granula, adhesive are compounded by starch, dextrin and carboxymethyl cellulose, for specific compounding
Composition will not only play bonding effect, also ensure the effect for helping disintegration, therefore, the binder not with methylamino Avermectin
Plain benzoate active compound and the mixing of other auxiliary agents, but it is prepared into aqueous solution, spray is atomized in drug powder kneading process
Enter, so improve the uniformity of adhesive distribution, improve water dispersible granules adhesiveness, reduces it in follow-up drying, screening
The yield of dust, improves product yield in process.
In conclusion according to a kind of emamectin-benzoate water dispersible granules provided by the invention and its preparation
Method, solves that existing emamectin-benzoate water dispersible granules production yield rate is low, material loss is big, of high cost
And the problem that dust pollution is serious, emamectin-benzoate moisture is greatly improved while not influencing its drug effect
The product yield of shot agent reaches 95~97% or more, and reduces dust yield, reduces loss, has saved cost.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
In the following example, " % " representative " mass percentage ".
Embodiment 1:
A kind of emamectin-benzoate water-dispersible grain agent prescription each component and its mass percentage are:First ammonia
Base abamectin benzoate active compound 0.8%, adhesive 10% (adhesive by starch, dextrin, carboxymethyl cellulose compounding and
At mass ratio 6:3:1), dispersant 13% (dispersant by polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant compounding and
At mass ratio 1:4), wetting agent 3% (wetting agent be KR-06 Sulfonates wetting agent), surplus are that (filler is filler
Kaolin).
A kind of preparation method of emamectin-benzoate water dispersible granules, steps are as follows:
S01, binder aqueous solution is prepared:Adhesive is added into deionized water, deionized water quality account for methylamino Ah
The 28% of all dispensing quality of rhzomorph benzoate is tieed up, obtained binder aqueous solution is uniformly mixed;
S02, batch mixing:Will according to match load weighted Methylaminoemamectin benzoate, dispersant, wetting agent and
Filler is put into mixing machine, starts mixing 60min and batch mixing is made;
S03, crushing:Batch mixing made of step S02 is put into micro jet, airslide disintegrating mill pressure is adjusted
1.0MPa, frequency 60Hz, powder particle diameter control are 3-5 μm;
S04, kneading:Material made of step S03 is added and is mediated into vacuum kneader, is continued in kneading process
Binder aqueous solution atomization made from step S01 is sprayed into, vacuum kneader rotating speed 40rpm, vacuum degree -0.096MPa are adjusted,
Duration 40min is mediated in control;
S05, granulation:Plastic type material made of step S04 is added in Squeezinggranulator and carries out extruder grain;
S06, drying:Granule materials made of step S05 are added into vacuum drier, control drying temperature 50-60
DEG C, drying time 0.5-1h;
S07, screening:By in the material transmission to vibration material screening machine after step S06 drying, the material that upper layer comes out is as first
Amino abamectin benzoate water dispersible granules finished product.
Embodiment 2:
A kind of emamectin-benzoate water-dispersible grain agent prescription each component and its mass percentage are:First ammonia
Base abamectin benzoate active compound 10%, adhesive 8% (adhesive by starch, dextrin, carboxymethyl cellulose compounding and
At mass ratio 6:3:1), dispersant 12% (dispersant by polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant compounding and
At mass ratio 1:4), wetting agent 3% (wetting agent be KR-06 Sulfonates wetting agent), surplus are that (filler is filler
Kaolin).
A kind of preparation method of emamectin-benzoate water dispersible granules, steps are as follows:
S01, binder aqueous solution is prepared:Adhesive is added into deionized water, deionized water quality account for methylamino Ah
The 30% of all dispensing quality of rhzomorph benzoate is tieed up, obtained binder aqueous solution is uniformly mixed;
S02, batch mixing:Will according to match load weighted Methylaminoemamectin benzoate, dispersant, wetting agent and
Filler is put into mixing machine, starts mixing 60min and batch mixing is made;
S03, crushing:Batch mixing made of step S02 is put into micro jet, airslide disintegrating mill pressure is adjusted
1.0MPa, frequency 60Hz, powder particle diameter control are 3-5 μm;
S04, kneading:Material made of step S03 is added and is mediated into vacuum kneader, is continued in kneading process
Binder aqueous solution atomization made from step S01 is sprayed into, vacuum kneader rotating speed 40rpm, vacuum degree -0.096MPa are adjusted,
Duration 40min is mediated in control;
S05, granulation:Plastic type material made of step S04 is added in Squeezinggranulator and carries out extruder grain;
S06, drying:Granule materials made of step S05 are added into vacuum drier, control drying temperature 50-60
DEG C, drying time 0.5-1h;
S07, screening:By in the material transmission to vibration material screening machine after step S06 drying, the material that upper layer comes out is as first
Amino abamectin benzoate water dispersible granules finished product.
Embodiment 3:
A kind of emamectin-benzoate water-dispersible grain agent prescription each component and its mass percentage are:First ammonia
Base abamectin benzoate active compound 28.5%, adhesive 8% (adhesive by starch, dextrin, carboxymethyl cellulose compounding and
At mass ratio 6:3:1), dispersant 10% (dispersant by polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant compounding and
At mass ratio 1:4), wetting agent 2.5% (wetting agent is KR-06 Sulfonates wetting agent), surplus is filler (filler
For kaolin).
A kind of preparation method of emamectin-benzoate water dispersible granules, steps are as follows:
S01, binder aqueous solution is prepared:Adhesive is added into deionized water, deionized water quality account for methylamino Ah
The 30% of all dispensing quality of rhzomorph benzoate is tieed up, obtained binder aqueous solution is uniformly mixed;
S02, batch mixing:Will according to match load weighted Methylaminoemamectin benzoate, dispersant, wetting agent and
Filler is put into mixing machine, starts mixing 60min and batch mixing is made;
S03, crushing:Batch mixing made of step S02 is put into micro jet, airslide disintegrating mill pressure is adjusted
1.0MPa, frequency 60Hz, powder particle diameter control are 3-5 μm;
S04, kneading:Material made of step S03 is added and is mediated into vacuum kneader, is continued in kneading process
Binder aqueous solution atomization made from step S01 is sprayed into, vacuum kneader rotating speed 40rpm, vacuum degree -0.096MPa are adjusted,
Duration 40min is mediated in control;
S05, granulation:Plastic type material made of step S04 is added in Squeezinggranulator and carries out extruder grain;
S06, drying:Granule materials made of step S05 are added into vacuum drier, control drying temperature 50-60
DEG C, drying time 0.5-1h;
S07, screening:By in the material transmission to vibration material screening machine after step S06 drying, the material that upper layer comes out is as first
Amino abamectin benzoate water dispersible granules finished product.
Embodiment 4:
A kind of emamectin-benzoate water-dispersible grain agent prescription each component and its mass percentage are:First ammonia
Base abamectin benzoate active compound 30%, adhesive 6% (adhesive by starch, dextrin, carboxymethyl cellulose compounding and
At mass ratio 6:3:1), dispersant 7% (dispersant by polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant compounding and
At mass ratio 1:4), wetting agent 2% (wetting agent be KR-06 Sulfonates wetting agent), surplus are that (filler is filler
Kaolin).
A kind of preparation method of emamectin-benzoate water dispersible granules, steps are as follows:
S01, binder aqueous solution is prepared:Adhesive is added into deionized water, deionized water quality account for methylamino Ah
The 29% of all dispensing quality of rhzomorph benzoate is tieed up, obtained binder aqueous solution is uniformly mixed;
S02, batch mixing:Will according to match load weighted Methylaminoemamectin benzoate, dispersant, wetting agent and
Filler is put into mixing machine, starts mixing 60min and batch mixing is made;
S03, crushing:Batch mixing made of step S02 is put into micro jet, airslide disintegrating mill pressure is adjusted
1.0MPa, frequency 60Hz, powder particle diameter control are 3-5 μm;
S04, kneading:Material made of step S03 is added and is mediated into vacuum kneader, is continued in kneading process
Binder aqueous solution atomization made from step S01 is sprayed into, vacuum kneader rotating speed 40rpm, vacuum degree -0.096MPa are adjusted,
Duration 40min is mediated in control;
S05, granulation:Plastic type material made of step S04 is added in Squeezinggranulator and carries out extruder grain;
S06, drying:Granule materials made of step S05 are added into vacuum drier, control drying temperature 50-60
DEG C, drying time 0.5-1h;
S07, screening:By in the material transmission to vibration material screening machine after step S06 drying, the material that upper layer comes out is as first
Amino abamectin benzoate water dispersible granules finished product.
Comparative example 1:
A kind of emamectin-benzoate water-dispersible grain agent prescription each component and its mass percentage are:First ammonia
Base abamectin benzoate active compound 30%, (dispersant is by 2700 mixture group of NNO and TERSPERSE for dispersant 15%
At), disintegrant 15% (disintegrant is made of glucose and urea humectant mixture), (wetting agent is wetting agent 1%
TERWET 1004), surplus is filler (filler is diatomite and Corn Starch Blends).
A kind of preparation method of emamectin-benzoate water dispersible granules:Steps are as follows:
(1) by Methylaminoemamectin benzoate, it is mixed that double helix taper is added in dispersant, disintegrant and wetting agent
Clutch is mixed, is crushed;
(2) filler that surplus is added continues to mix;
(3) mixture add water add it is wet after make pesticide granules of the grain size between 0.8-2mm;
(4) particle is dried, finished pesticide is made for after screening.
Comparative example 2:
A kind of emamectin-benzoate water-dispersible grain agent prescription each component and its mass percentage are:First ammonia
Base abamectin benzoate active compound 20%, dispersant 8% (dispersant is mainly polycarboxylate and naphthalene sulfonate), disintegrant
23% (disintegrant is thiamines), wetting agent 4% (wetting agent is sulfonate surfactant), surplus is that (this is filled out filler
Material is cornstarch).
A kind of preparation method of emamectin-benzoate water dispersible granules:Steps are as follows:
(1) Methylaminoemamectin benzoate, dispersant, wetting agent, disintegrant, binder and filler are put into
In mixing machine, feed intake end stirring 60min;
(2) Jiyu mill to be opened after mixing carries out coarse crushing, feed unit frequency is 8Hz, and coarse powder is collected into middle hopper,
It is then turned on airslide disintegrating mill crushing, screw feeding frequency is 8Hz, and airslide disintegrating mill pressure is 0.8MPa, airslide disintegrating mill frequency
Rate is 50Hz, and powder particle diameter controls 8-10 μm;
(3) material after crushing is put into mixing machine, sprays 5kg deionized waters, conveyer belt is discharged to after stirring 30min,
It is sent in comminutor hopper, opens comminutor and be granulated;
(4) material for having made grain is sent to microwave dryer from conveyer belt, setting warming temperature is 100 DEG C, heat preservation temperature
Degree is 80 DEG C, and the particle after drying is sent in rectangular sieve hopper by middle control moisture≤1%, the intermediate material come out as at
Product.
To above-described embodiment 1-4 and comparative example 1-2 emamectin-benzoate water dispersible granules prepared at
Product rate, Dust Capacity and end properties index are detected, and testing result is as follows:
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limitation protection model of the invention
It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can make the present invention each
Kind change, modification and/or variation, all these equivalent forms equally fall within and are protected defined by the application the appended claims
Within the scope of shield.
Claims (10)
1. a kind of emamectin-benzoate water dispersible granules, which is characterized in that including first by mass percentage
Amino abamectin benzoate active compound 0.1-30%, adhesive 5-10%, dispersant 7-13%, wetting agent 1-3% and surplus
Filler.
2. a kind of emamectin-benzoate water dispersible granules as described in claim 1, which is characterized in that including pressing
The Methylaminoemamectin benzoate 28.5% of mass percent meter, adhesive 8%, dispersant 10%, wetting agent
2.5% and surplus filler.
3. a kind of emamectin-benzoate water dispersible granules as described in claim 1, which is characterized in that described viscous
Mixture is made of starch, dextrin and carboxymethyl cellulose, and in described adhesive, the starch quality accounting is 50-60%, institute
Dextrin quality accounting 30-40% is stated, the quality accounting of the carboxymethyl cellulose is 5-15%.
4. a kind of emamectin-benzoate water dispersible granules as claimed in claim 3, which is characterized in that described
In adhesive, the starch quality accounting is 50%, and the dextrin quality accounting 40%, the quality of the carboxymethyl cellulose accounts for
Than being 10%, the dextrin is white dextrin.
5. a kind of emamectin-benzoate water dispersible granules as described in claim 1, which is characterized in that described point
Powder is made of polycarboxylate salt dispersant and poly naphthalene sulfonate dispersant, the polycarboxylate salt dispersant and poly naphthalene sulfonate dispersion
The quality proportioning of agent is 1:4-1:1.
6. a kind of emamectin-benzoate water dispersible granules as claimed in claim 5, which is characterized in that described poly-
The quality proportioning of carboxylate dispersants and poly naphthalene sulfonate dispersant is 1:1.
7. a kind of emamectin-benzoate water dispersible granules as described in claim 1, which is characterized in that the profit
Humectant is KR-06 Sulfonates wetting agents.
8. a kind of emamectin-benzoate water dispersible granules as described in claim 1, which is characterized in that described to fill out
Material is kaolin.
9. the method for preparing emamectin-benzoate water dispersible granules as claimed in claim 1 or 2, feature exist
In Methylaminoemamectin benzoate and dispersant, wetting agent and filler are sufficiently mixed uniformly, mesh is crushed to
After marking grain size, the aqueous solution for spraying into adhesive is mediated, and mediates and methylamino Ah is made after completing after granulation, drying, screening
Tie up rhzomorph benzoate water dispersible granules finished product.
10. preparation method as claimed in claim 9, which is characterized in that steps are as follows:
S01, binder aqueous solution is prepared:Adhesive is added into deionized water, the deionized water quality accounts for the first ammonia
The 28-30% of all dispensing quality of base abamectin benzoate is uniformly mixed obtained binder aqueous solution;
S02, batch mixing:It will be according to the load weighted Methylaminoemamectin benzoate of proportioning, dispersant, wetting agent and filler
In input to mixing machine, starts mixing 60min and batch mixing is made;
S03, crushing:Batch mixing made of step S02 is put into micro jet, airslide disintegrating mill pressure is adjusted
1.0MPa, frequency 60Hz, powder particle diameter control are 3-5 μm;
S04, kneading:Material made of step S03 is added and is mediated into vacuum kneader, continuing in kneading process will step
Binder aqueous solution atomization made from rapid S01 sprays into, and adjusts vacuum kneader rotating speed 40rpm, vacuum degree -0.096MPa, control
Mediate duration 40min;
S05, granulation:Plastic type material made of step S04 is added in Squeezinggranulator and carries out extruder grain;
S06, drying:Granule materials made of step S05 are added into vacuum drier, 50-60 DEG C of drying temperature is controlled, are dried
Dry time 0.5-1h;
S07, screening:By in the material transmission to vibration material screening machine after step S06 drying, the material that upper layer comes out is as methylamino
Abamectin benzoate water dispersible granules finished product.
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| CN114732009A (en) * | 2022-06-13 | 2022-07-12 | 山东百农思达生物科技有限公司 | Preparation method of water dispersible granules containing pyraclostrobin and dimethomorph |
| CN116746583A (en) * | 2023-08-11 | 2023-09-15 | 山东科赛基农生物工程有限公司 | Water dispersible granule containing emamectin benzoate and chlorantraniliprole |
| CN116831133A (en) * | 2023-07-04 | 2023-10-03 | 山东宇润化工有限公司 | Emamectin benzoate water dispersible granule and preparation method thereof |
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| CN116746583A (en) * | 2023-08-11 | 2023-09-15 | 山东科赛基农生物工程有限公司 | Water dispersible granule containing emamectin benzoate and chlorantraniliprole |
| CN116746583B (en) * | 2023-08-11 | 2023-11-03 | 山东科赛基农生物工程有限公司 | Water dispersible granule containing emamectin benzoate and chlorantraniliprole |
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