CN106489923A - One kind dispersibles oil-suspending agent and preparation method thereof - Google Patents
One kind dispersibles oil-suspending agent and preparation method thereof Download PDFInfo
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- CN106489923A CN106489923A CN201610793803.6A CN201610793803A CN106489923A CN 106489923 A CN106489923 A CN 106489923A CN 201610793803 A CN201610793803 A CN 201610793803A CN 106489923 A CN106489923 A CN 106489923A
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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
- A01N25/02—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 liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses one kind dispersibles oil-suspending agent, including following component, each group distribution ratio is in parts by weight：Pretilachlor 15%～30%, Oxadiargyl 3%～6%, pyrazosulfuron 1%～3%, dispersant 1%～8%, emulsifying agent 5%～15%, wetting agent 0.5%～5%, thickening agent 0.5%～5%, stabilizer 0.5%～8%, defoamer 0.2%～2%, pH adjusting agent 0.1%～2%, balance of oil-based solvent.The present invention is to people and animals, beneficial organism low toxicity, it is possible to decrease toxicity of the effective ingredient to operator, reduces poisoning of the medicine to Target crops, improves the preventive effect of the product to weeds of herbicide and the safety to crop, is low-carbon environment-friendly, the dosage form of safety.
Description
Technical field
The invention belongs to technical field of pesticide, be related to a kind of herbicide products, specifically one kind dispersible oil-suspending agent and
Preparation method.
Background technology
Pretilachlor (pretilachlor), chemical name：The chloro- N- of 2- (1- methyl -2- methoxyethyls)-N- (2- ethyl -6-
Aminomethyl phenyl) acetamide.It is the rice terrace herbicides special with high selectivity.To rice safety, broad weed-killing spectrum.It is applied to water
Rice prevents and kill off barnyard grass, bald barnyard, Semen Euphorbiae, Herba Eleusines Indicae, Herba Eleocharitis aciculariies, alisma canaliculatum, Herba Ammanniae Bacciferae, Herba Cyperi Difformiss, cyperus iria, Flos Caryophylli
The annual gramineaes such as knotweed, Herba monochoriae vaginaliss and broad leaved weed.It is cell division inhibitor.Generally before rice transplanting, 3～5d is used.
Oxadiargyl (Oxadiargyl), No. CAS：39807–15–3；Chemical name：5- tert-butyl -3- (2,4- bis-
Chloro- 5- (Propargyl epoxide) phenyl) -1,3,4- diazole -2 (3H) -one), it is Rhone-Poulenc Company's exploitation
A kind of new oxadiazoles nitrogen heterocyclic ring class herbicide, is mainly used in the Seedlings such as Oryza sativa L., Rhizoma Solani tuber osi, Helianthi, vegetable, Radix Betae, orchard
Before prevent and kill off broad leaved weed.
Pyrazosulfuron (Pyrazosulfuron-ethyl) chemical name is：5- [3- (4,6- dimethoxypyridin 2- yls)
Ureido sulfuryl] -1- methylpyrazole -4- carboxylic acid, ethyl esters, belong to sulfonylurea selectivity inner sucting herbicide, can be by the root of plant, children
Bud, stem, leaf absorb, and are transmitted to each several part in vivo, suppress the biological conjunction of plant vivo acid, lysine, isoleucine
Into the division and growth of prevention cell. cause sensitive plant shoot growth suppressed, root system development stagnates necrosis.Effective ingredient
Enter in Oryza sativa L. body and be metabolised to rapidly harmless compound.Multiple broad-leaveds are prevented and treated for rice direct seeding field, rice seedling bed and transplant field
Weeds and sedge weed, such as Rhizoma Alismatis, Herba Cyperi Difformiss, Herba Cyperi Glomerati, Herba monochoriae vaginaliss, Herba Oenanthes Javanicae, mexicana, Sagittaria pygmaea, Herba potamogetonis distincti, green grass or young crops
Duckweed, duckweed etc., have certain inhibitory action to barnyard grass.
Herbicide single dose receives crop varieties safety selectional restriction at present, while incompleteness of herbicide controlling spectrum is used alone, it is impossible to complete
The generation of paddy field weed is efficiently controlled entirely, furthermore a kind of Weed Resistance of herbicide is used alone also than more serious.Some
Herbicide is too short to Different Rice Varieties sensitivity difference or field lasting period, consumption is excessive or dispenser is uneven all easy
Cause the residual hazard to this season crop or succession crop.Therefore, the present invention selects pretilachlor, Oxadiargyl, pyrazosulfuron
Three kinds of compositions are used in suitable ratio composition complex preparation, not only expand weed control spectrum, hence it is evident that improve herbicidal effect, while
Substantially increase the safety of product, make product on different rice varieties can safety use.Avoid to this season
Crop produces poisoning, so as to effectively widen the use range of the product.
The formulations of pesticide that oil-suspending agent (OD) is the great development prospect of a class are dispersibled, the definition of dosage form is that effective ingredient exists
Stable suspension preparation is formed in non-aqueous media, using front dilute with water.The difference of its same oil-suspending agent (OF) is that oil is outstanding
The definition of floating agent is that effective ingredient forms stable suspension preparation in non-aqueous media, using front using organic solvent diluting.Can
Dispersion oil-suspending agent, can be just used after being directly watered dilution using upper more convenient than oil-suspending agent.Performance is highly stable, cohesiveness
Good, to the potentiation of target thing substantially, realize that disposable medication can obtain notable preventive effect, reduce drug cost and environment is dirty
Dye.Dispersible oil-suspending agent more more stable than in aqueous suspension agent performance, and without dust during production and use, using environment-friendly type
Environment and people and animals are difficult to pollute by solvent naphtha, more more environmentally-friendly than cream, wettable powder, and drug effect is more preferable.
Content of the invention
Containing low boiling poisonous and harmful solvents such as dimethylbenzene, benzene classes in missible oil product, wettable powder in production and is used
During produce dust, environment and people and animals can be polluted, it is unstable existing that deposition, layering etc. again easily occurs in aqueous suspension agent
As having a strong impact on drug effect.Simultaneously herbicide is alone has that weed control spectrum is narrow, and comprehensive weeding preventive effect is undesirable, poor stability, and weeds resist
Property occur serious the problems such as.It is an object of the invention to, not enough for prior art, there is provided one kind dispersibles oil-suspending agent.
The present invention adopt technical solution be：One kind dispersibles oil-suspending agent, and each group distribution ratio is：Pretilachlor 15%
～30%, Oxadiargyl 3%～6%, pyrazosulfuron 1%～3%, dispersant 1%～8%, emulsifying agent 5%～15%, profit
Humectant 0.5%～5%, thickening agent 0.5%～5%, stabilizer 0.5%～8%, defoamer 0.2%～2%, pH adjusting agent
0.1%～2%, balance of oil-based solvent.
The dispersant is polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2020, phosphate ester
And its one or more in salt；
Described emulsifying agent is alkylphenol polyoxyethylene, anhydrous sorbitol mono laurate fat, alkylphenol polyoxyethylene
One or more in sodium sulfate, polyoxyethylene carboxylate phosphate ester, calcium dodecyl benzene sulfonate.
The wetting agent is disecoctylmaleate sodium sulfonate.
The thickening agent be white carbon, polyvinyl alcohol, bentonite, xanthan gum, aluminium-magnesium silicate, in carboxymethyl cellulose one
Plant or multiple；
The stabilizer is epoxychloropropane, triphenyl phosphite, sodium benzoate, epoxy soybean oil, butylhydroxy Fructus Foeniculi
One or more in ether；
The defoamer is organic silicon defoamer；
The pH adjusting agent is citric acid, acetic acid, the one kind in triethanolamine.
The oil-based solvent is methyl oleate, soybean oil, Oleum Brassicae campestriss, Oleum Gossypii semen, Petiolus Trachycarpi oil, oleum lini, Oleum Terebinthinae, Semen Maydiss
One or more in oil.
It is as follows that described one kind dispersibles oil-suspending agent its preparation method：First 5～15% emulsifying agents of addition in oil-based solvent,
0.5～5% wetting agent, 1～8% dispersant, 0.5～5% thickening agent, 0.5%～8% stabilizer, 0.2～2% defoamer and
0.1～2%pH regulators, mixing, stirring add the third grass in the case where 1500～10000 revs/min of rotating speed of high-speed shearing machine is stirred
After amine 15%～30%, Oxadiargyl 3%～6%, 1%～3% active compound of pyrazosulfuron, shear 20～30 minutes, then through sand
Grinding machine is ground to particle diameter D90 and described dispersibles oil-suspending agent less than till 5 μm, that is, being obtained.
In such scheme, pretilachlor, Oxadiargyl, pyrazosulfuron are pretilachlor of the present invention, Oxadiargyl, the phonetic sulphur of pyrrole
The grand active component for dispersibling oil-suspending agent, active ingredient are industrial goods of the purity more than 95%, and pretilachlor, propine are careless
Ketone, pyrazosulfuron dispersible oil-suspending agent be a kind of herbicidal effect good, to crop safety, the selective herbicide of environmental protection；PH is adjusted
Section agent can adjust system pH；Thickening agent is used for increasing system viscosity, improves the structural stability of product；Add defoamer
Purpose is elimination system foam, conveniently processing and use.Oil-based solvent is the continuous phase of whole preparation system；Above-mentioned composition
PH is 5～8.
The invention has the beneficial effects as follows：The present invention using pretilachlor, Oxadiargyl, pyrazosulfuron as active component, auxiliary
Surfactant (emulsifying agent, wetting agent, dispersant) monomer of the material auxiliary agent using environment-friendly type, preparation product are reliable and stable, production
Apparatus and method are simple.The pretilachlor that produced, Oxadiargyl, pyrazosulfuron dispersible oil-suspending agent, and employing is all ring
The oil-based solvent of guarantor's type carbon chain length, than missible oil product in Conventional solvents dimethylbenzene, S150 solvent oil flash points high, it is ensured that preparation
The production of product, transport, the safety of user；Compare wettable powder product and prevent dust pollution completely.This formula
From surfactant (emulsifying agent, wetting agent, dispersant), products obtained therefrom steady quality, room temperature 2 years are placed character and are not sent out
Changing.Product cost is high, is a kind of herbicide spectrum width, and the speed that takes effect is fast, the highy potent herbicide novel form to crop safety.Plus
It is exactly to select suitable formula that workers and peasants' medicine dispersibles the key of oil-suspending agent, due to dispersibling oil-suspending agent for thermodynamic instability
System, the present invention form medicament homogeneous yellowish in the presence of mechanical external force using high-speed shearing machine and sand milling machine equipment
Color liquid, surfactant (emulsifying agent, the wetting agent, dispersant) proportioning for choosing science improve the physics and chemically stable of product
Property, improve the utilization rate of product.Present invention reduces environmental pollution, improves safety, drug effect.
Specific embodiment
In order that those skilled in the art are better understood from the essence of the present invention, come to this with reference to specific embodiment
Invention is further described, but does not limit the invention to these specific embodiments.Those skilled in the art should recognize
Know, present invention encompasses all alternatives, improvement project and the equivalents that are potentially included in Claims scope.
Embodiment 1：
After methyl oleate 480g is added in cutting kettle, emulsifying agent alkylphenol polyoxyethylene 100g, wetting agent is added
Disecoctylmaleate sodium sulfonate 20g, dispersant sodium lignin sulfonate 30g, organobentonite 30g, butylhydroxy Fructus Foeniculi
Ether 12, organic silicon defoamer 5g and citric acid 3g, mixing, stirring, in 1500～10000 revs/min of rotating speed of high-speed shearing machine
After lower addition pretilachlor 260g of stirring, Oxadiargyl 40g, 20 grams of pyrazosulfuron, shear 10～40 minutes, then grind through sand mill
Particle diameter D90 is milled to less than 5 μm, that is, is obtained and faint yellow is dispersibled oil-suspending agent.
Embodiment 2：
After soybean oil 504g is added in cutting kettle, emulsifying agent anhydrous sorbitol mono laurate fat 50g, alkyl phenol is added
Polyoxyethylene ether 60g, wetting agent disecoctylmaleate sodium sulfonate 20g, 2020 dispersants of dispersant TERSPERSE
25g, aluminium-magnesium silicate 35g, sodium benzoate 18, organic silicon defoamer 8g and acetic acid 10g, mixing, stirring, in high-speed shearing machine 1500
After pretilachlor 200g, Oxadiargyl 45g, 25 grams of pyrazosulfuron are added under～10000 revs/min of rotating speed stirring, shearing 10
～40 minutes, then particle diameter D90 is ground to less than 5 μm through sand mill, that is, be obtained and faint yellow dispersible oil-suspending agent.
Embodiment 3：
After Oleum Brassicae campestriss 387g is added in cutting kettle, emulsifying agent alkylphenol polyoxyethylene 60g, alkyl phenol polyoxy is added
Ethylene ether sodium sulfate 50g, polyoxyethylene carboxylate phosphate ester 5g, wetting agent disecoctylmaleate sodium sulfonate 45g, point
Powder sodium lignin sulfonate 35g, xanthan gum 30g, triphenyl phosphite 45, organic silicon defoamer 5g and citric acid 13g, mixing,
Stirring, add under the rotating speed stirring of 1500～10000 revs/min of high-speed shearing machine pretilachlor 250g, Oxadiargyl 50g,
After 25 grams of pyrazosulfuron, shear 10～40 minutes, then particle diameter D90 is ground to less than 5 μm through sand mill, that is, be obtained and dispersible oily hanging
Floating agent.Pretilachlor of the present invention, Oxadiargyl, pyrazosulfuron dispersible the technical specification of oil-suspending agent and are shown in Table 1.
Table 1：Pretilachlor, Oxadiargyl, pyrazosulfuron dispersible the technical specification of oil-suspending agent
| Measure project | Index | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Pretilachlor mass fraction % | / | 26 | 20 | 25 |
| Oxadiargyl mass fraction % | / | 4 | 4.5 | 5 |
| Pyrazosulfuron mass fraction % | / | 2 | 2.5 | 2.5 |
| Pretilachlor suspensibility % | >=90% | 98 | 98 | 99 |
| Oxadiargyl suspensibility % | >=90% | 98 | 99 | 98 |
| Pyrazosulfuron suspensibility % | >=90% | 99 | 98 | 99 |
| Dispersion stabilization | Qualified | Qualified | Qualified | Qualified |
| Moisture % | ≤0.5 | 0.3 | 0.2 | 0.2 |
| PH value | 6--8 | 6.8 | 6.9 | 6.8 |
| Persistent foamability (1min), ml | ≤30 | 23 | 22 | 23 |
| Topple over rear residue, % | ≤5 | 3.0 | 2.8 | 3.6 |
| Residue after washing, % | ≤0.5 | 0.2 | 0.3 | 0.2 |
| Low-temperature stability | Qualified | Qualified | Qualified | Qualified |
| Heat storage stability | Qualified | Qualified | Qualified | Qualified |
Toxicity determination test：According to herbicide toxicity determination test criterion, determine embodiment 1, embodiment 2,
Co-toxicity coefficient and synergy type of the embodiment 3 to firefly Lin, result of the test are as shown in table 2.
Table 2 (pressing effective ingredient calculating)
Absolutely proved according to above-mentioned result of the test, the pretilachlor made after compounding, Oxadiargyl, pyrazosulfuron are dispersibled
Oil-suspending agent is independent with 30% pretilachlor cream, 10% pyrazosulfuron wettable powder and 80% Oxadiargyl wettable powder
Using comparing, embodiment 1- embodiment 3 is notable to the coordination potentiation of firefly Lin, and preventive effect is significantly improved.
Field control effectiveness test is evaluated
Dispenser period：The 4 leaf phase of Oryza sativa L., grow fine, robust plant, without other pest and disease damages.
Test method：According to field plot area, the good each test medicine of precise, after being watered dilution, with backpack electricity
Dynamic aerosol apparatus carry out even spraying, it is desirable to accomplish that spraying is uniform.
Respectively in 15d and 30d observation weeds death conditions after test, and the activity of weeding of the various medicaments of comparison.Additionally
The growing state of observation 1～15d in Oryza sativa L. is required simultaneously, to investigate whether test medicine has poisoning to Oryza sativa L..
1～embodiment of the embodiment of the present invention 3 is as shown in table 3 to the prevention effect of paddy field weed：
Table 3
As shown in Table 3,1～embodiment of the embodiment of the present invention 3 is equal to grassy weed, broad-leaved section weeds, sedge weed
There is preferable prevention effect, show significant potentiation.And estimated during 1～15d after dispenser according to testing
The Oryza sativa L. of observation receives phytotoxicity reaction symptom, and in the range of this test Drug level, 1～embodiment of the embodiment of the present invention 3 is to Oryza sativa L.
Showed is safer.
Claims (10)
1. one kind dispersibles oil-suspending agent, it is characterised in that：Including following component, each group distribution ratio is in parts by weight：Third
Careless amine 15%～30%, Oxadiargyl 3%～6%, pyrazosulfuron 1%～3%, dispersant 1%～8%, emulsifying agent 5%～
15%, wetting agent 0.5%～5%, thickening agent 0.5%～5%, stabilizer 0.5%～8%, defoamer 0.2%～2%, pH are adjusted
Section agent 0.1%～2%, balance of oil-based solvent.
2. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：The dispersant be polycarboxylate,
One or more in lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE2020, phosphate ester and its salt.
3. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：Described emulsifying agent is poly- for alkyl phenol
Oxygen vinyl Ether, anhydrous sorbitol mono laurate fat, alkyl phenol polyethenoxy ether sodium sulfate, polyoxyethylene carboxylate phosphate ester,
One or more in calcium dodecyl benzene sulfonate.
4. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：Described wetting agent is maleic two
Sour di-sec-octyl sodium sulfonate.
5. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：The thickening agent is white carbon, gathers
One or more in vinyl alcohol, bentonite, xanthan gum, aluminium-magnesium silicate, carboxymethyl cellulose.
6. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：The stabilizer is epoxy chloropropionate
One or more in alkane, triphenyl phosphite, sodium benzoate, epoxy soybean oil, Butylated hydroxyanisole.
7. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：The defoamer is organosilicon froth breaking
Agent.
8. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：Described pH adjusting agent is Fructus Citri Limoniae
Acid, acetic acid, the one kind in triethanolamine.
9. one kind according to claim 1 dispersibles oil-suspending agent, it is characterised in that：The oil-based solvent is Oleic acid first
One or more in ester, soybean oil, Oleum Brassicae campestriss, Oleum Gossypii semen, Petiolus Trachycarpi oil, oleum lini, Oleum Terebinthinae, Semen Maydis oil.
10. a kind of method for dispersibling oil-suspending agent prepared described in any one of 1-9, it is characterised in that：Add in oil-based solvent
Enter 5～15% emulsifying agents, 0.5～5% wetting agent, 1～8% dispersant, 0.5～5% thickening agent, 0.5%～8% stabilizer,
0.2～2% defoamer and 0.1～2%pH regulators, mixing, stirring, in 1500～10000 revs/min turn of high-speed shearing machine
After the lower addition pretilachlor 15%～30% of speed stirring, Oxadiargyl 3%～6%, pyrazosulfuron 1%～3%, shearing 20～30
Minute, then be ground to particle diameter D90 through sand mill and described dispersible oil-suspending agent less than till 5 μm, that is, being obtained.
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Cited By (7)
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| CN107197862A (en) * | 2017-05-26 | 2017-09-26 | 浙江天丰生物科学有限公司 | It is a kind of containing butralin, the dispersible oil-suspending agent of ethoxysulfuron and preparation method thereof |
| CN108157360A (en) * | 2018-02-05 | 2018-06-15 | 上虞颖泰精细化工有限公司 | A kind of pesticide oil suspension floats agent and preparation method thereof |
| CN108552199A (en) * | 2018-06-04 | 2018-09-21 | 山东耘歌生物科技有限公司 | A kind of effervescent formulation and its preparation process containing pyrazosulfuron, pretilachlor and pentoxazone |
| CN109042671A (en) * | 2018-08-22 | 2018-12-21 | 安徽省银山药业有限公司 | Oil-suspending agent and its application can be dispersed in a kind of chlorine fluorine pyridine ester |
| CN109221225A (en) * | 2018-09-28 | 2019-01-18 | 绩溪农华生物科技有限公司 | A kind of dinotefuran synergy suspending agent and preparation method thereof |
| FR3112460A1 (en) * | 2020-07-15 | 2022-01-21 | Evergreen Garden Care France Sas | HERBICIDE COMPOSITION |
| CN114946870A (en) * | 2022-04-14 | 2022-08-30 | 浙江天丰生物科学有限公司 | Penoxsulam and pyraflufen-ethyl dispersible oil suspending agent as well as preparation method and application thereof |
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| CN107197862A (en) * | 2017-05-26 | 2017-09-26 | 浙江天丰生物科学有限公司 | It is a kind of containing butralin, the dispersible oil-suspending agent of ethoxysulfuron and preparation method thereof |
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| CN108552199A (en) * | 2018-06-04 | 2018-09-21 | 山东耘歌生物科技有限公司 | A kind of effervescent formulation and its preparation process containing pyrazosulfuron, pretilachlor and pentoxazone |
| CN109042671A (en) * | 2018-08-22 | 2018-12-21 | 安徽省银山药业有限公司 | Oil-suspending agent and its application can be dispersed in a kind of chlorine fluorine pyridine ester |
| CN109042671B (en) * | 2018-08-22 | 2022-03-01 | 安徽辉隆集团银山药业有限责任公司 | Chlorofluoropyridine ester dispersible oil suspending agent and application thereof |
| CN109221225A (en) * | 2018-09-28 | 2019-01-18 | 绩溪农华生物科技有限公司 | A kind of dinotefuran synergy suspending agent and preparation method thereof |
| FR3112460A1 (en) * | 2020-07-15 | 2022-01-21 | Evergreen Garden Care France Sas | HERBICIDE COMPOSITION |
| CN114946870A (en) * | 2022-04-14 | 2022-08-30 | 浙江天丰生物科学有限公司 | Penoxsulam and pyraflufen-ethyl dispersible oil suspending agent as well as preparation method and application thereof |
| CN114946870B (en) * | 2022-04-14 | 2024-02-02 | 浙江天丰生物科学有限公司 | Penoxsulam and metazophos dispersible oil suspending agent and preparation method and application thereof |
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