CN105432615B - A kind of imazamox water dispersible granules and preparation method thereof - Google Patents
A kind of imazamox water dispersible granules and preparation method thereof Download PDFInfo
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- CN105432615B CN105432615B CN201510996821.XA CN201510996821A CN105432615B CN 105432615 B CN105432615 B CN 105432615B CN 201510996821 A CN201510996821 A CN 201510996821A CN 105432615 B CN105432615 B CN 105432615B
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/50—1,3-Diazoles; Hydrogenated 1,3-diazoles
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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
- 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
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Abstract
The invention provides a kind of imazamox water dispersible granules, include the component of following mass fraction：Imazamox：50%~90%；Dispersant：1~10%；Wetting agent：1~5%；Chelating agent：1~10%；Disintegrant：0~20%；Surplus is filler；The dispersant includes the one or more in sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic acrylic copolymer salt, polycarboxylate and alkyl naphthalene sulfonic acid condensation polymer sodium salt.Imazamox water dispersible granules active constituent content in the present invention is high, organic solvent is not used, it is environmentally friendly, and with good dispersed and higher suspensibility, test result indicates that the good dispersion of the imazamox water dispersible granules in the present invention；3WHO aqueous suspension rates are up to 98%, to the preventive effects of soybean weedses more than 90%.Present invention also offers a kind of preparation method of imazamox water dispersible granules.
Description
Technical field
The invention belongs to technical field of medicine, more particularly to a kind of imazamox water dispersible granules and its preparation side
Method.
Background technology
Imazamox, English name Imazamox, chemical name 2- (4- isopropyl-4-methyl -5- oxygen -2- imidazolines -
2- yls) -5- methoxymethylnicotinic acids are white solid.Imazamox is imidazolinone herbicide kind, is inhaled by blade
Receive, conduct and accumulate in separate living tissue, suppress AHAS activity, cause branched-chain amino acid-valine, leucine and isoleucine
Biosynthesis stops, and interference DNA synthesis and cell mitogen and plant growth, ultimately causes plant death.Imazamox
Suitable for Soybean Field after seedling cauline leaf process, most of annual gramineaes and broad leaved weed can be effectively prevented and treated, such as barnyard grass, dog tail
Grass, amur foxtail, moleplant seed, lady's-grass, dayflower (before 3 leaf phases), piemarker, Amaranthus retroflexus, lamb's-quarters, small lamb's-quarters, Siberian cocklebur, elscholtiza, water spine pin, wolf
Grass, chickweed, willow leaf thorn smartweed, weasel hemp nettle etc., there is inhibitory action to perennial sowthistle, field thistle etc..Medicament residual is short,
Medicament overwhelming majority decomposition failure after dispenser in soil, thus to most succession crops safety.
At present, the formulation of imazamox is mainly missible oil and aqua, and its active constituent content is not often high, does not surpass typically
Cross 5%.The raising of increase and cost of labor now with environmental protection pressure, the high novel form of a kind of environmental protection of exploitation, content is urgently
Solve.Water dispersible granules of current single imazamox effective ingredient and preparation method thereof are both at home and abroad there is not yet related report
Road.
The content of the invention
It is provided by the invention it is an object of the invention to provide a kind of imazamox water dispersible granules and preparation method thereof
The environmental protection of imazamox water dispersible granules, and active constituent content is high.
The present invention provides a kind of imazamox water dispersible granules, includes the component of following mass fraction：
Imazamox：50%~90%；Dispersant：1~10%；Wetting agent：1~5%；Chelating agent：1~10%；Collapse
Solve agent：0~20%；Surplus is filler；
The dispersant includes sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic acid-acrylic acid copolymer salt, polycarboxylic acids
One or more in salt and alkyl naphthalene sulfonic acid condensation polymer sodium salt.
Preferably, the dispersant includes polycarboxylate and alkyl naphthalene sulfonic acid condensation polymer sodium salt；
The mass ratio of polycarboxylate and alkyl naphthalene sulfonic acid the condensation polymer sodium salt is 1：(0.5~2).
Preferably, the mass ratio of polycarboxylate and alkyl naphthalene sulfonic acid the condensation polymer sodium salt is 1：1.
Preferably, the mass fraction of the dispersant is 3~8%.
Preferably, the chelating agent includes ethylenediamine tetra-acetic acid, sodium metaphosphate, disodium ethylene diamine tetraacetate and tripolyphosphate
One or more in sodium.
Preferably, the mass fraction of the chelating agent is 2~8%.
Preferably, the wetting agent includes lauryl sodium sulfate, sodium lignin sulfonate, alpha-olefin sodium sulfonate, alkyl phenol
One or more in polyethenoxy ether sodium sulfate；
The mass fraction of the wetting agent is 2~4%.
Preferably, the disintegrant includes one kind in ammonium sulfate, potassium sulfate, diammonium hydrogen phosphate, sodium sulphate and sodium chloride
It is or several；
The mass fraction of the disintegrant is 2~15%.
Preferably, the filler includes one kind in calcined kaolin, cornstarch, diatomite, bentonite and talcum powder
It is or several.
The present invention provides a kind of preparation method of imazamox water dispersible granules, comprises the following steps：
A) in terms of mass fraction, by 50~90% imazamox, 1~10% dispersant, 1~5% wetting agent,
The filler mixing of 1~10% chelating agent, 0~20% disintegrant and surplus, obtains mixed material；
The dispersant includes sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic acid-acrylic acid copolymer salt, polycarboxylic acids
One or more in salt and alkyl naphthalene sulfonic acid condensation polymer sodium salt；
B) by the step A) in mixed material be granulated, obtain imazamox water dispersible granules.
The invention provides a kind of imazamox water dispersible granules, include the component of following mass fraction：Methoxy miaow grass
Cigarette：50%~90%；Dispersant：1~10%；Wetting agent：1~5%；Chelating agent：1~10%；Disintegrant：0~20%；Surplus
For filler；The dispersant includes sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic acid-acrylic acid copolymer salt, polycarboxylic acids
One or more in salt and alkyl naphthalene sulfonic acid condensation polymer sodium salt.Imazamox water dispersible granules active ingredient in the present invention
Content is high, environmentally friendly not using organic solvent, and with good dispersed and higher suspensibility, experiment knot
Fruit shows, the good dispersion of the imazamox water dispersible granules in the present invention；3WHO aqueous suspension rates are up to 98%, to Soybean Field
The preventive effect of weeds is more than 90%.
Embodiment
The invention provides a kind of imazamox water dispersible granules, include the component of following mass fraction：
Imazamox：50~90%；Dispersant：1~10%；Wetting agent：1~5%；Chelating agent：1~10%；Disintegration
Agent：0~20%；Surplus is filler；
The dispersant includes sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic acid-acrylic acid copolymer salt, polycarboxylic acids
One or more in salt and alkyl naphthalene sulfonic acid condensation polymer sodium salt.
Imazamox water dispersible granules environmental protection provided by the invention, and active constituent content is high, and have well
Dispersiveness and suspension.
In the present invention, the mass fraction of the imazamox is 50~90%, preferably 55~85%, more preferably
60~80%, most preferably 65~75%, specifically, in an embodiment of the present invention, the mass fraction of the imazamox
Can be 50%, 54%, 60%, 67%, 70%, 75%, 80%, 86% or 90%.The present invention is to the imazamox
Source does not have special limitation, specifically, in an embodiment of the present invention, Shandong Weifang Qiao Chang chemistry preferably company can be used to carry
97% imazamox supplied.
In the present invention, the dispersant includes sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic-acrylic acid copolymerization
One or more in thing salt, polycarboxylate and alkyl naphthalene sulfonic acid condensation polymer sodium salt, preferably include polycarboxylate and alkylnaphthalene sulphur
Sour condensation polymer sodium salt, the mass ratio of polycarboxylate and alkyl naphthalene sulfonic acid the condensation polymer sodium salt is preferably 1：(0.5~2), it is more excellent
Elect 1 as：(1~1.5)；The mass fraction of the dispersant is 1~10%, preferably 3~8%, more preferably 4~6%；Specifically
, can be 4%, 3%, 8%, 5% or 6% in an embodiment of the present invention；Such as by alkyl naphthalene sulfonic acid condensation polymer sodium salt
2% and maleic acid-acrylic acid copolymer salt 4% be used cooperatively；By maleic acid-acrylic acid copolymer salt 0.5% and polycarboxylate
2.5% is used cooperatively；Sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts 6% and alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, which are coordinated, to be made
With；Maleic acid-acrylic acid copolymer salt 3% and polycarboxylate 2% are used cooperatively；By maleic acid-acrylic acid copolymer salt
5%th, sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts 1% and polycarboxylate 1% are used cooperatively.The present invention comes to the dispersant
Source does not have special limitation, specifically, in an embodiment of the present invention, the polycarboxylate that HUNTSMAN companies can be used to provide helps
Agent.
In the present invention, the wetting agent preferably includes lauryl sodium sulfate, sodium lignin sulfonate, Nekal BX, alkane
One or more in base phenol polyethenoxy ether sodium sulfate, the mass fraction of the wetting agent is 1~5%, preferably 2~4%,
Most preferably 3%, specifically, can be 1.5%, 5%, 1%, 4% or 3% in an embodiment of the present invention.The present invention may be used also
Used so that different wetting agents is arranged in pairs or groups, such as, alkyl phenol polyethenoxy ether sodium sulfate 0.5% and Nekal BX 0.5% are matched somebody with somebody
Close and use；Sodium lignin sulfonate 1% and alkyl phenol polyethenoxy ether sodium sulfate 3% are used cooperatively；By lauryl sodium sulfate
0.5% and sodium lignin sulfonate 1% be used cooperatively；Lauryl sodium sulfate 0.5% and sodium lignin sulfonate 2.5%, which are coordinated, to be made
With.The present invention does not have special limitation to the source of the wetting agent, specifically, in an embodiment of the present invention, the wetting
Agent can use the lauryl sodium sulfate that Hubei Ju Sheng Science and Technology Ltd.s provide.
In the present invention, the chelating agent preferably include ethylenediamine tetra-acetic acid, sodium metaphosphate, disodium ethylene diamine tetraacetate and
One or more in sodium tripolyphosphate；The mass fraction of the chelating agent is 1~10%, preferably 3~8%, more preferably 4
~6%；Specifically, in an embodiment of the present invention, the mass fraction of the chelating agent can be 1.5%, 10%, 1%, 5%,
3% or 8%.The present invention does not have special limitation to the source of the chelating agent, specifically, in an embodiment of the present invention, institute
State the sodium tripolyphosphate that chelating agent can use Weifang Hua Bo Chemical Co., Ltd.s to provide.In the present invention, the chelating agent can
Improve the hard water resistance performance of the imazamox water dispersible granules.
In the present invention, the disintegrant preferably includes ammonium sulfate, potassium sulfate, diammonium hydrogen phosphate, sodium sulphate and sodium chloride
In one or more；The mass fraction of the disintegrant is 0~20%, preferably 2~15%, more preferably 5~10%；Tool
Body, in an embodiment of the present invention, the mass fraction of the disintegrant can be 20%, 13%, 8%, 5%, 10%,
15%th, 6% or 3%.
In the present invention, the filler preferably includes calcined kaolin, cornstarch, diatomite, bentonite and talcum powder
In one or more；The mass percent sum of the filler and other raw materials is 100%.
Specifically, in terms of mass fraction, the imazamox water dispersible granules in the present invention can use following proportioning：
Imazamox 50%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, lauryl sodium sulfate
1.5%th, sodium tripolyphosphate 1.5%, ammonium sulfate 20%, calcined kaolin supply 100%；
Imazamox 60%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, lauryl sodium sulfate
1.5%th, sodium tripolyphosphate 1.5%, ammonium sulfate 13%, calcined kaolin supply 100%；
Imazamox 70%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, lauryl sodium sulfate
1.5%th, sodium tripolyphosphate 1.5%, ammonium sulfate 8%, calcined kaolin supply 100%；
Imazamox 80%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, lauryl sodium sulfate
1.5%th, sodium tripolyphosphate 1.5%, ammonium sulfate 5%, calcined kaolin supply 100%；
Imazamox 90%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, lauryl sodium sulfate
1.5%th, sodium tripolyphosphate 1.5%, calcined kaolin supply 100%；
Imazamox 50%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, maleic acid-acrylic acid copolymer salt 4%, pull open
Powder BX5%, sodium tripolyphosphate 10%, sodium sulphate 10%, talcum powder supply 100%；
Imazamox 86%, maleic acid-acrylic acid copolymer salt 0.5%, polycarboxylate 2.5%, alkyl phenol polyoxy second
Alkene ether sodium sulfate 0.5%, Nekal BX 0.5%, sodium lignin sulfonate 1%, disodium ethylene diamine tetraacetate 1%, cornstarch are mended
Foot 100%；
Imazamox 54%, sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts 6%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%,
Sodium lignin sulfonate 1%, alkyl phenol polyethenoxy ether sodium sulfate 3%, sodium tripolyphosphate 1%, sodium metaphosphate 4%, phosphoric acid hydrogen two
Ammonium 8%, potassium sulfate 7%, cornstarch 5%, talcum powder supply 100%；
Imazamox 75%, maleic acid-acrylic acid copolymer salt 3%, polycarboxylate 2%, lauryl sodium sulfate
0.5%th, sodium lignin sulfonate 1%, ethylenediamine tetra-acetic acid 3%, sodium chloride 6%, diatomite supply 100%；
Imazamox 67%, maleic acid-acrylic acid copolymer salt 5%, sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts
1%th, polycarboxylate 1%, lauryl sodium sulfate 0.5%, sodium lignin sulfonate 2.5%, sodium metaphosphate 8%, diammonium hydrogen phosphate
3%th, bentonite supplies 100%.
Present invention also offers a kind of preparation method of imazamox water dispersible granules, comprise the following steps：
A) in terms of mass fraction, by 50~90% imazamox, 1~10% dispersant, 1~5% wetting agent,
The filler mixing of 1~10% chelating agent, 0~20% disintegrant and surplus, obtains mixed material；
The dispersant includes sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic acid-acrylic acid copolymer salt, polycarboxylic acids
One or more in salt and alkyl naphthalene sulfonic acid condensation polymer sodium salt；
B) by the step A) in mixed material be granulated, obtain imazamox water dispersible granules.
The present invention preferably by 50~90% imazamox, 1~10% dispersant, 1~5% wetting agent, 1~
The filler of 10% chelating agent, 0~20% disintegrant and surplus adds mixer, after being well mixed, is crushed, then by powder
Material after broken is mixed, and obtains mixed material.In the present invention, the imazamox, dispersant, wetting agent, chelating
Imazamox, dispersant, wetting agent, chelating in agent, the species of disintegrant and filler, source and dosage and above-mentioned technical proposal
Agent, the species of disintegrant and filler, source are consistent with dosage, will not be repeated here.
In the present invention, the particle diameter of the crushing is preferably 20~40 μm, more preferably 25~35 μm；The present invention preferably adopts
The crushing of above-mentioned material is carried out with airslide disintegrating mill.
After obtaining mixed material, present invention preferably employs the method for mediating granulation, the mixed material is pelletized, institute
It is preferably the 20~30% of mixed material quality, more preferably 25~28% to state and mediate amount of water；It is described to mediate the process being granulated
For method of granulating well known to those skilled in the art.
After completing granulation, the present invention is preferably dried the water dispersible granules that the granulation obtains, and obtains methoxy miaow grass
Cigarette water dispersible granules.In the present invention, the temperature of the drying is preferably 50~90 DEG C, more preferably 60~80 DEG C.
The present invention tests imazamox moisture in the present invention according to the assay method of the suspensibilities of CIPAC MT 184 and dissipated
The suspensibility of granula, the results showed that, the aqueous suspension rate of the imazamox water dispersible granules in the present invention is 98.2%.
The present invention stores 14 days at 54 DEG C, then tests the stabilization of imazamox water dispersible granules in the present invention
Property, the results showed that, the imazamox water dispersible granules stability in the present invention is preferable, disintegrative and aqueous suspension rate after heat storage
Change is little.
The present invention is into the 100mL tool plug graduated cylinders (interior high 22.5cm, internal diameter 28mm) containing 90mL distilled water, at 25 DEG C
The imazamox water dispersible granules 0.5g added in the present invention, clamps the middle part of graduated cylinder, clogs nozzle, with 8r/min's afterwards
Speed is around central rotation, until sample is disintegrated completely in water, the results showed that, the imazamox water dispersible granules in the present invention
It is disintegrated completely in 60s.
Method during the present invention tests according to CIPAC MT185 wet screenings tests imazamox water-dispersible grain in the present invention
The wet screening experiment percent of pass of agent, the results showed that, the wet screening experiment percent of pass of imazamox water dispersible granules is in the present invention
99.9%.
The present invention tests the prevention effect of imazamox water dispersible granules in the present invention to soybean weedses, as a result table
Bright, imazamox water dispersible granules are up to 97.1% to the preventive effect of soybean weedses in the present invention.
The invention provides a kind of imazamox water dispersible granules, include the component of following mass fraction：Methoxy miaow grass
Cigarette：50%~90%；Dispersant：1~10%；Wetting agent：1~5%；Chelating agent：1~10%；Disintegrant：0~20%；Surplus
For filler；The dispersant includes sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts, maleic acid-acrylic acid copolymer salt, polycarboxylic acids
One or more in salt and alkyl naphthalene sulfonic acid condensation polymer sodium salt.Imazamox water dispersible granules in the present invention have following
Advantage：(1) use and the dust pollution of a large amount of organic solvents are avoided, safety and environmental protection, is easy to storage to transport；(2) processing method
Simply, beneficial to continuous mass production；(3) active constituent content is high, reduces packaging, cost of transportation；(4) chelating agent is added, is had
Stronger hard water resistance effect, without geographical restrictions, adaptability is stronger.
In order to further illustrate the present invention, a kind of imazamox moisture provided by the invention is dissipated with reference to embodiments
Granula is described in detail, but can not be understood as limiting the scope of the present invention.
In the examples below, imazamox is purchased from Shandong Weifang Qiao Chang Chemical Co., Ltd.s；Alkyl naphthalene sulfonic acid contracts
Polymers sodium salt is purchased from AkzoNobel；Polycarboxylate, maleic acid-acrylic acid copolymer salt are purchased from HUNTSMAN；Nekal BX
Purchased from Zhengzhou Bang Nuo chemical products Co., Ltd；Alkyl phenol polyethenoxy ether sodium sulfate, sub- double naphthalenesulfonate formaldehyde condensation compounds
Sodium salt is purchased from Clariant；Sodium lignin sulfonate is purchased from Meadwestvaco.
The imazamox water dispersible granules of embodiment 1 50%
It is formulated and is：Imazamox 50%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 1.5%, sodium tripolyphosphate 1.5%, ammonium sulfate 20%, calcined kaolin supply 100%.
Preparation method is：Imazamox, dispersant, wetting agent, chelating agent, disintegrant, filler are added in mixer
It is well mixed, after airslide disintegrating mill is crushed to 20-40 μm of particle diameter, remixes uniformly, mediate amount of water 30%, be granulated,
80 DEG C of drying, you can 50% imazamox water dispersible granules product is made.
The imazamox water dispersible granules of embodiment 2 60%
It is formulated and is：Imazamox 60%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 1.5%, sodium tripolyphosphate 1.5%, ammonium sulfate 13%, calcined kaolin supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 3 70%
It is formulated and is：Imazamox 70%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 1.5%, sodium tripolyphosphate 1.5%, ammonium sulfate 8%, calcined kaolin supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 4 80%
It is formulated and is：Imazamox 80%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 1.5%, sodium tripolyphosphate 1.5%, ammonium sulfate 5%, calcined kaolin supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 5 90%
It is formulated and is：Imazamox 90%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 1.5%, sodium tripolyphosphate 1.5%, calcined kaolin supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 6 50%
It is formulated and is：Imazamox 50%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, maleic acid-acrylic acid copolymer salt
4%th, Nekal BX 5%, sodium tripolyphosphate 10%, sodium sulphate 10%, talcum powder supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 7 86%
It is formulated and is：Imazamox 86%, maleic acid-acrylic acid copolymer salt 0.5%, polycarboxylate 2.5%, alkyl phenol
Polyethenoxy ether sodium sulfate 0.5%, Nekal BX 0.5%, sodium lignin sulfonate 1%, disodium ethylene diamine tetraacetate 1%, corn
Starch supplies 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 8 54%
It is formulated and is：Imazamox 54%, sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts 6%, alkyl naphthalene sulfonic acid condensation polymer
Sodium salt 2%, sodium lignin sulfonate 1%, alkyl phenol polyethenoxy ether sodium sulfate 3%, sodium tripolyphosphate 1%, sodium metaphosphate 4%,
Diammonium hydrogen phosphate 8%, potassium sulfate 7%, cornstarch 5%, talcum powder supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 9 75%
It is formulated and is：Imazamox 75%, maleic acid-acrylic acid copolymer salt 3%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 0.5%, sodium lignin sulfonate 1%, ethylenediamine tetra-acetic acid 3%, sodium chloride 6%, diatomite supply 100%.Preparation method
With embodiment 1.
The imazamox water dispersible granules of embodiment 10 67%
It is formulated and is：Imazamox 67%, maleic acid-acrylic acid copolymer salt 5%, sub- double naphthalenesulfonate formaldehyde condensation compounds
Sodium salt 1%, polycarboxylate 1%, lauryl sodium sulfate 0.5%, sodium lignin sulfonate 2.5%, sodium metaphosphate 8%, phosphoric acid hydrogen
Two ammoniums 3%, bentonite supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of embodiment 11 51%
It is formulated and is：Imazamox 51%, sub- double naphthalenesulfonate formaldehyde condensation compound sodium salts 3%, alkyl naphthalene sulfonic acid condensation polymer
Sodium salt 4%, sodium lignin sulfonate 2%, alkyl phenol polyethenoxy ether sodium sulfate 1.5%, laminated crystal of sodium disilicate 3.5%, phosphorus
The sour ammonium 5% of hydrogen two, sodium sulphate 9%, talcum powder supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of comparative example 1 50%
It is formulated and is：Imazamox 50%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 1.5%, ammonium sulfate 20%, calcined kaolin supply 100%.Preparation method is the same as embodiment 1.
The imazamox water dispersible granules of comparative example 2 70%
It is formulated and is：Imazamox 70%, alkyl naphthalene sulfonic acid condensation polymer sodium salt 2%, polycarboxylate 2%, dodecyl sulphur
Sour sodium 1.5%, disodium ethylene diamine tetraacetate 0.5%, ammonium sulfate 8%, calcined kaolin supply 100%.Preparation method is the same as implementation
Example 1.
The stability for the imazamox water dispersible granules that the present invention obtains to embodiment 1~11 and comparative example 1~2 is carried out
Test, as a result as shown in table 1, the imazamox moisture that table 1 is the embodiment of the present invention 1~11 and comparative example 1~2 obtains dissipate
The stability test result of granula.
The stability for the imazamox water dispersible granules that the embodiment of the present invention 1~11 of table 1 and comparative example 1~2 obtain is surveyed
Test result
Known by table 1, the product stability in the embodiment of the present invention is preferable, and the disintegrative and the change of aqueous suspension rate after heat storage are not
Greatly, after specific preferable auxiliary agent has especially been selected in embodiment 1~6, property indices are more excellent, and aqueous suspension rate exists
More than 94.0%, reach as high as 98.2%.
Soybean weedses prevent and treat field control effectiveness test
Test medicine：
Imazamox water dispersible granules made from the embodiment of the present invention 1~11 and comparative example 1~2；
Comparison medicament is：4% imazamox aqua (is purchased from Weifang CYNDA Chemical Engineering Co., Ltd).
Experimental condition and application method：
This experimental arrangement is carried out in Anhui Huaiyuan County, and soyabean field middle fertility, pH value 6.8, the soil organism contains
Measure as 1.1%, experimental field preceding stubble is wheat.During experiment, apparatus used is the type knapsack hand sprayer of workers and peasants -16.Whole examination
Test process to spray altogether 1 time, water consumption 450kg/ hectares.Two panels true leaf is expanded to second trifoliolate leaf expansion after soybean emerges
Period medication, now grassy weed should be in the 2-4 leaf phases, and broad leaved weed is in 2-7cm.Weather is good during experiment, the dispenser same day
It is fine, non-rainfall in 7 days after medicine.
Soybean Field main weeds are：Acalypha copperleaf, purslane, concave head amaranth, green bristlegrass, lady's-grass, barnyard grass, lamb's-quarters, knotweed etc..
Investigation method：
30d investigates weeds remaining strain number, fresh weight after medicine, and calculates strain number preventive effect and fresh weight preventive effect.It is simultaneously indefinite after medicine
Phase observes soybean upgrowth situation, and observation whether there is the generation of poisoning.
Calculation formula is as follows：
The check plot is clear water check plot, does not spray medicament.
Experimental result：
During experiment, invention formulation is had no adverse effects in experiment scope of medication to target crop, and its prevention effect is shown in
Table 2 below, table 2 are the imazamox water dispersible granules in the embodiment of the present invention 1~11 and comparative example 1~2 to soybean weedses
Preventive effect.
Table 2 is that the imazamox water dispersible granules in the embodiment of the present invention 1~11 and comparative example 1~2 are miscellaneous to Soybean Field
The preventive effect of grass
As can be seen from Table 2, the imazamox water dispersible granules in the present invention can effectively prevent and treat the hair of soybean weedses
It is raw, and embodiment 6~11 is substantially better than using the preventive effect of preferred promoter and the embodiment of optimum ratio 1~5, with comparison medicine
Agent is suitable, and to soybean weedses preventive effect up to more than 94%.Comparative example 1 and comparative example 2 are due to specific in no use present invention
Dosage and particular kind of chelating agent, its preventive effect substantially reduce.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of imazamox water dispersible granules, include the component of following mass fraction：
Imazamox：50%~90%；Dispersant：1~10%；Lauryl sodium sulfate：1~5%；Sodium tripolyphosphate：1~
10%；Ammonium sulfate：0~20%；Surplus is calcined kaolin；
The dispersant is polycarboxylate and alkyl naphthalene sulfonic acid condensation polymer sodium salt.
2. imazamox water dispersible granules according to claim 1, it is characterised in that the dispersant includes polycarboxylic acids
Salt and alkyl naphthalene sulfonic acid condensation polymer sodium salt；
The mass ratio of polycarboxylate and alkyl naphthalene sulfonic acid the condensation polymer sodium salt is 1：(0.5~2).
3. imazamox water dispersible granules according to claim 2, it is characterised in that the polycarboxylate and alkylnaphthalene
The mass ratio of sulfonic acid condensation polymer sodium salt is 1：1.
4. imazamox water dispersible granules according to claim 1, it is characterised in that the mass fraction of the dispersant
For 3~8%.
5. imazamox water dispersible granules according to claim 1, it is characterised in that the quality of the sodium tripolyphosphate
Fraction is 2~8%.
6. imazamox water dispersible granules according to claim 1, it is characterised in that the lauryl sodium sulfate
Mass fraction is 2~4%.
7. imazamox water dispersible granules according to claim 1, it is characterised in that the mass fraction of the ammonium sulfate
For 2~15%.
8. a kind of preparation method of imazamox water dispersible granules, comprises the following steps：
A) in terms of mass fraction, by 50~90% imazamox, 1~10% dispersant, 1~5% dodecyl sulphur
The calcined kaolin mixing of sour sodium, 1~10% tripolyphosphate ammonium, 0~20% ammonium sulfate and surplus, obtains mixed material；
The dispersant is polycarboxylate and alkyl naphthalene sulfonic acid condensation polymer sodium salt；
B) by the step A) in mixed material be granulated, obtain imazamox water dispersible granules.
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| CN108576034A (en) * | 2018-03-15 | 2018-09-28 | 江苏省农用激素工程技术研究中心有限公司 | Soybean field weeding composition and preparation method thereof |
| CN110122501B (en) * | 2019-06-14 | 2021-06-29 | 青岛润农化工有限公司 | Diflubenzuron water dispersible granule and preparation method thereof |
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| ATE128129T1 (en) * | 1986-07-28 | 1995-10-15 | American Cyanamid Co | 5(AND/OR6) SUBSTITUTED 2-(2-IMIDAZOLINE-2-YL) NICOTINIC ACIDS, ESTERS AND SALTS USABLE AS HERBICIDAL AGENTS AND INTERMEDIATE COMPOUNDS FOR THE PRODUCTION OF THESE NICOTINIC ACIDS, ESTERS AND SALTS. |
| US5393731A (en) * | 1992-12-23 | 1995-02-28 | American Cyanamid Company | Water dispersible granular herbicidal compositions comprising dinitroaniline and imidazolinone herbicides with montmorillonite carriers |
| EP0623281A1 (en) * | 1993-04-28 | 1994-11-09 | American Cyanamid Company | Herbicidal extruded granular compositions |
| CN102550565B (en) * | 2012-01-17 | 2014-04-02 | 山东潍坊润丰化工股份有限公司 | Imazethapyr water dispersible granules and preparation method thereof |
| CN103651370A (en) * | 2012-09-20 | 2014-03-26 | 江苏长青农化股份有限公司 | 5% imazethapyr water agent |
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