CN103651550A - Microcapsule suspending agent prepared from carbosulfan, chlorpyrifos and abamectin by compounding - Google Patents
Microcapsule suspending agent prepared from carbosulfan, chlorpyrifos and abamectin by compounding Download PDFInfo
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- CN103651550A CN103651550A CN201210347639.8A CN201210347639A CN103651550A CN 103651550 A CN103651550 A CN 103651550A CN 201210347639 A CN201210347639 A CN 201210347639A CN 103651550 A CN103651550 A CN 103651550A
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Abstract
The invention discloses a microcapsule suspending agent preapred from carbosulfan, chlorpyrifos and abamectin by compounding, and a preparation method thereof. The microcapsule suspending agent mainly comprises 5-20% of carbosulfan, 5-20% of chlorpyrifos, 0.1-5% of abamectin, 5-15% of solvent, 2-25% of capsule wall materials, 3-8% of emulsifier, 0.1-0.4% of thickener, 3-5% of antifreezing agent, 0.01-0.5% of corrosion remover, 0.1-1% of defoamer and the balance of water. By adopting the preparation, the effective components are coated with a capsule wall to form a microcapsule of an environment-friendly and low-public hazard slow-release pesticide suspending in water by adopting an interfacial polymerization method and a coating method. The compound preparation has a broad insecticidal spectrum, has good prevention and treatment effects on soil insects such as stem borers, grubs, cutworms, root-knot nematodes, bradysia odoriphaga and the like, and over-ground insects such as phylloxera, plutella xylostella and the like on crops such as corns, peanuts, vegetables, fruit trees and the like, and is long in lasting period, and the service efficiency of the effective components of the pesticide is improved.
Description
Technical field
The present invention relates to a kind of agricultural chemicals efficient insecticide composition novel form, specifically carbosulfan and chlopyrifos and abamectin compounded micro-capsule suspension.
background technology
Carbosulfan has another name called good year winter, granville carbosulfan, and chemical name is: 2,3-dihydro-2, and 2-dimethyl benzofuran-7-base (dibutylamino sulphur) methyl carbamate, its structural formula is as follows:
Carbosulfan outward appearance is that orange colour is to brown transparent thick liquid, boiling point 124-128 ℃, vapour pressure 0.041mPa (25 ℃), density 1.056 (20 ℃), water-soluble hardly, be dissolved in most organic solvent, as dimethylbenzene, hexane, chloroform, carrene, methyl alcohol, ethanol, acetone etc., in the aqueous solution, be hydrolyzed.Carbosulfan is that poisonous Furadan plays insecticidal action at insect bodies intracellular metabolite, and its insecticidal mechanism is interference insect nervous system, suppresses cholinesterase, makes the muscle of insect and body of gland continue excitement, and causes insect death.Absorption in this medical instrument, has and tags and stomach poison function insect, and the lasting period is long, and insecticidal spectrum is wide, can be used for preventing and treating the various pests on citrus, paddy rice, vegetables.
Chlopyrifos has another name called Le Siben, and chemical name is: O, and O-diethyl-O-(3,5,6-trichloro-2-pyridyl) thiophosphate, its structure is as follows:
Chlopyrifos sterling is colourless crystallization, thiol smell slightly, fusing point 42-43.5 ℃, vapour pressure 2.7mPa (25 ℃), the about 1.4mg/L of solvability (25 ℃) in water, benzene 7900, acetone 6500, chloroform 6300, carbon disulphide 5900, ether 5100, dimethylbenzene 5000, isooctanol 790, methyl alcohol 450 (g/kg, 25 ℃), with pH, increase hydrolysis rate and accelerate, may form chelate with copper and other metal.Chlopyrifos is anticholinesterase, and the residual life on blade is not long, but residual life in soil is longer, good to the preventive effect of soil insect.Responsive to tobacco.
Avermectin has another name called that acarid element, acetamiprid, the evil utmost point go out, desinsection fourth etc., English name Avermectins, and its structural formula is as follows:
The former medicine of Avermectin is that white or yellow crystal (contain B1a80%, B1b<20%), vapour pressure <200nPa, fusing point 150-155 ℃, in the time of 21 ℃ solvability in water in 7.8 micrograms per litre, acetone 100, in toluene 350, isopropyl alcohol 70, under chloroform 25 (g/L) normal temperature, be difficult for decomposing.At 25 ℃, in the solution of pH5-9 without decomposing phenomenon.Stable under common storage requirement, to thermally-stabilised, unstable to light, strong acid, highly basic.It is a kind of macrolide disaccharide compounds.Be natural products separated from edaphon, insects and mites had and tags with stomach poison function and have faint fumigation action, without systemic action.But it has very strong osmosis to blade, can kill subepidermal insect, and the longevity of residure is long.It is ovicidal not.What its mechanism of action was different from general insecticide is that it disturbs neurophysiology movable, stimulate and discharge γ-aminobutyric acid, and γ-aminobutyric acid has inhibitory action to arthropodan nerve conduction, if there is paralysis symptom after becoming mite to contact with medicament with larva with insect in mite class, inertia does not take food, dead after 2-4 days.Because not causing that insect dewaters rapidly, so its lethal effect is slower.But though predatism and parasite are had to direct killing effect, because plant surface is residual few, therefore little to the damage of beneficial insect.
Agricultural chemicals is being brought into play important effect aspect control diseases and pests of agronomic crop, assurance agricultural sustainable development.But along with continuous enhancing and the continuous concern to food-safety problem of people's environmental consciousness, people have higher requirement to the toxicity of agricultural chemicals and residue of pesticide, thereby require to research and develop out novel pesticide original medicine and formulation.Wherein, compare with the pesticide original medicine that research and development is new, the research and development cost of pesticides new formulation is lower, more effective, can significantly reduce pesticide dosage, reduces and pollutes.Both at home and abroad the formulation of agricultural chemicals is just towards the future development of water base property, granular, slowly-releasing, multi-functional and Labor-saving.Microcapsules of Pesticides is exactly a kind of pesticides new formulation that current techniques content is high, have DEVELOPMENT PROSPECT.
Microcapsules of Pesticides is a kind of slow release formulation, is to using macromolecular material as cyst wall or cyst membrane, by chemistry, physics or physicochemical method, the pesticidal active substance as capsule-core is wrapped up, and forms a kind of translucent microencapsulation.The diameter of capsule is generally several microns to hundreds of micron, and its capsule-core material is liquid, solid or mixture, can slowly discharge by cyst wall.The advantage of pesticide micro capsule is mainly reflected in following three aspects:
(1) decomposition and the loss of the agricultural chemicals that causes because of the environmental factors such as light, heat, air, rainwater, soil, microorganism and other chemical substances etc. have been suppressed, improved the stability of medicament itself, suppressed the volatilization of agricultural chemicals, the hidden original peculiar smell of agricultural chemicals, reduce its contact toxicity, toxicity on inhalation and poisoning, alleviated it to people and animals' excitant with to toxicity of fish etc.;
(2) introduce and control release function, improved the availability of agricultural chemicals, extended the lasting period of agricultural chemicals, thereby reduced quantity and the frequency of dispenser, improved the pressure of agricultural chemicals to environment;
(3) be effective composite the providing convenience of the pesticidal active substance of multiple different performance, the existence of microcapsules cyst membrane has also improved colloid and the physical stability of preparation.
Summary of the invention
The present invention is a kind of novel efficient agricultural compound insecticidal agent formulation, in the present invention, active ingredient comprises that the former medicine of carbosulfan, the former medicine of chlopyrifos, the former medicine of Avermectin, dispersant, emulsifier, capsule leather material, defoamer, suspending agent, antifreezing agent and water form, percentage by weight in each component wherein: carbosulfan 1 ~ 30%, chlopyrifos 1 ~ 30%, Avermectin 0.1 ~ 5%, dispersant 3 ~ 5%, emulsifier 0.5 ~ 3%, anti-icing fluid 3 ~ 5%, suspending agent 0.2 ~ 5%, defoamer 0.1 ~ 1% and excess water form.Through test recipe screening, active ingredient optimal proportion (mass percent) is carbosulfan 5 ~ 20%, chlopyrifos 10 ~ 30%, Avermectin 0.5 ~ 3%.
Preparation method of the present invention comprises three large steps:
One, the preparation of carbosulfan chlorpyrifos microcapsule suspension
(1) preparation of oil phase: utilize solvent that carbosulfan, chlopyrifos, capsule leather material are dissolved, and add emulsifier to make it by water emulsification;
(2) preparation of water: dispersant, part defoamer, part suspending agent are added to the water, stir into homogeneous phase;
(3) preparation of dispersion liquid: oil phase is slowly added drop-wise in water, shears simultaneously and disperse particle diameter D90<5 μ m, until dropwise;
(4) moulding of capsule leather material: be warmed up to 60 ~ 70 ℃, and airtight stirring 2 ~ 4h, to observe the round and smooth atresia of capsule type and can finish to heat up, slow cooling to normal temperature obtains carbosulfan chlorpyrifos microcapsule suspension.
Two, the preparation of avermectin microcapsule suspension
(1) preparation of oil phase: utilize solvent that Avermectin is dissolved, and add emulsifier for mixing homogeneous phase;
(2) preparation of water: dispersant, capsule leather material, part defoamer are added to the water, stir into homogeneous phase;
(3) preparation of dispersion liquid: oil phase is slowly added drop-wise in water, shears simultaneously or be distributed to target grain size, until dropwise;
(4) moulding of capsule leather material: observe the round and smooth atresia of capsule type in shear history, obtain avermectin microcapsule suspension.
Three, hybrid modulation
The suspension that step 1 and step 2 are made mixes, and adds xanthans, preservative, antifreezing agent to be uniformly dispersed and obtains carbosulfan and chlopyrifos and abamectin compounded micro-capsule suspension.
The invention has the advantages that:
(1) improve the availability of agricultural chemicals, extend the lasting period, reduce formulation rate and frequency;
(2) improve the stability of agricultural chemicals, avoid causing the decomposition, oxidation, loss etc. of active ingredient because of environmental factor as illumination, air, rainwater, soil, microorganism and other chemical substance;
(3) compounding capacity of raising and other agricultural chemicals;
(4) improve crop safety, alleviate the poisoning to crop;
(5) reduce environmental pollution, reduce soil migration, alleviate the pressure to environment;
(6) high-toxic pesticide is low poisons, and suppresses the volatility of agricultural chemicals, shelters offending smell, reduces agricultural chemicals to the contact toxicity of people, animal, fish and other animal, toxicity on inhalation;
(7) two kinds of encystation modes of interfacial polymerization and coating method are mixed use, have reduced the impact of capsule leather material on former medicine, have improved the chemical stability of former medicine;
(8) carbosulfan can reach good chemical stability under meta-alkalescence condition, and Avermectin can reach good chemical stability under solutions of weak acidity, so the former medicine difference encystation of the present invention to two kinds of contrary stability properties, has well solved this difficult problem.
In order further to understand the present invention, existing in conjunction with the following example, the present invention will be described in more detail, but the present invention is not limited thereto.
embodiment 1
Take carbosulfan 10kg, Avermectin 0.5kg, chlopyrifos 10kg, solvent is selected solvent naphtha Solvesso 200 5kg, turpentine-based vegetable oil ND45 3kg, capsule leather material melamine class polyisocyanates 0.5kg, cyclodextrin 2kg, emulsifier calcium dodecyl benzene sulfonate 0.5kg, phenethyl phenol polyethenoxy ether 0.5kg, SYNPERONIC PE/F68 1kg, dispersant calcium lignosulfonate Borresperse CASA 1kg, organosilan defoamer 0.05kg, suspending agent aluminium-magnesium silicate 1kg, xanthans 0.2kg, preservative benzoic acid 0.2kg, antifreeze glycol 5kg, water 59.55kg.
Making step:
Step 1: (1) adds emulsifier calcium dodecyl benzene sulfonate and phenethyl phenol polyethenoxy ether and capsule leather material polyisocyanates to be made into oil phase after former medicine carbosulfan, chlopyrifos are dissolved with solvent Solvesso 200; (2) calcium lignosulfonate, part defoamer are dissolved in to part water and are made into water; (3) oil phase is slowly splashed into water, clip to and be warmed up to 65 ℃ after target grain size D90<5 μ m and constantly stir 2.5h and make carbosulfan chlorpyrifos microcapsule suspension.
Step 2: (1) adds emulsifier SYNPERONIC PE/F68 to be mixed with oil phase after former medicine Avermectin is dissolved with turpentine-based vegetable oil ND45; (2) cyclodextrin is dissolved in to part water and is made into water; (3) oil phase is slowly splashed into water, and clip to target grain size D90<2 μ m and make avermectin microcapsule suspension.
Step 3: after two kinds of microcapsule suspensions are mixed, add antifreezing agent, suspending agent, preservative to be uniformly dispersed and obtain carbosulfan and chlopyrifos and abamectin compounded micro-capsule suspension.
embodiment 2
Take carbosulfan 15kg, Avermectin 1kg, chlopyrifos 15kg, solvent is selected solvent naphtha Solvesso 200 7kg, turpentine-based vegetable oil ND60 3kg, capsule leather material melamine class polyisocyanates 0.8kg, cyclodextrin 4kg, emulsifier calcium dodecyl benzene sulfonate 1kg, phenethyl phenol polyethenoxy ether 1kg, SYNPERONIC PE/F68 2kg, dispersant calcium lignosulfonate Borresperse CASA 2kg, organosilan defoamer 0.05kg, suspending agent aluminium-magnesium silicate 0.5kg, xanthans 0.15kg, preservative sodium benzoate 0.15kg, antifreezing agent propane diols 4kg, water 43.35kg.
Making step:
Step 1: (1) adds emulsifier calcium dodecyl benzene sulfonate and phenethyl phenol polyethenoxy ether and capsule leather material polyisocyanates to be made into oil phase after former medicine carbosulfan, chlopyrifos are dissolved with solvent Solvesso 200; (2) calcium lignosulfonate, part defoamer are dissolved in to part water and are made into water; (3) oil phase is slowly splashed into water, clip to and be warmed up to 65 ℃ after target grain size D90<5 μ m and constantly stir 3h and make carbosulfan chlorpyrifos microcapsule suspension.
Step 2: (1) adds emulsifier SYNPERONIC PE/F68 to be mixed with oil phase after former medicine Avermectin is dissolved with turpentine-based vegetable oil ND60; (2) cyclodextrin is dissolved in to part water and is made into water; (3) oil phase is slowly splashed into water, and clip to target grain size D90<2 μ m and make avermectin microcapsule suspension.
Step 3: after two kinds of microcapsule suspensions are mixed, add antifreezing agent, suspending agent, preservative to be uniformly dispersed and obtain carbosulfan and chlopyrifos and abamectin compounded micro-capsule suspension.
embodiment 3
Take carbosulfan 15kg, Avermectin 3kg, chlopyrifos 20kg, solvent is selected solvent naphtha Solvesso 200 8kg, turpentine-based vegetable oil ND100 5kg, capsule leather material melamine class polyisocyanates 1kg, sodium alginate 3kg, cyclodextrin 2kg, emulsifier calcium dodecyl benzene sulfonate 1kg, phenethyl phenol polyethenoxy ether 1kg, SYNPERONIC PE/F68 2kg, dispersant calcium lignosulfonate Borresperse NA 1.5kg, organosilan defoamer 0.05kg, suspending agent xanthans 0.1kg, preservative sodium benzoate 0.1kg, antifreezing agent propane diols 4kg, water 33.25kg.
Making step:
Step 1: (1) adds emulsifier calcium dodecyl benzene sulfonate and phenethyl phenol polyethenoxy ether and capsule leather material polyisocyanates to be made into oil phase after former medicine carbosulfan, chlopyrifos are dissolved with solvent Solvesso 200; (2) calcium lignosulfonate, part defoamer are dissolved in to part water and are made into water; (3) oil phase is slowly splashed into water, clip to and be warmed up to 65 ℃ after target grain size D90<5 μ m and constantly stir 3.5h and make carbosulfan chlorpyrifos microcapsule suspension.
Step 2: (1) adds emulsifier SYNPERONIC PE/F68 to be mixed with oil phase after former medicine Avermectin is dissolved with turpentine-based vegetable oil ND100; (2) cyclodextrin, sodium alginate are dissolved in to part water and are made into water; (3) oil phase is slowly splashed into water, and clip to target grain size D90<2 μ m and make avermectin microcapsule suspension.
Step 3: after two kinds of microcapsule suspensions are mixed, add antifreezing agent, suspending agent, preservative to be uniformly dispersed and obtain carbosulfan and chlopyrifos and abamectin compounded micro-capsule suspension.
embodiment 4
Take carbosulfan 10kg, Avermectin 5kg, chlopyrifos 30kg, solvent is selected solvent naphtha Solvesso 200 8kg, turpentine-based vegetable oil ND100 8kg, capsule leather material melamine class polyisocyanates 2kg, polyvinyl alcohol 2kg, cyclodextrin 3kg, emulsifier calcium dodecyl benzene sulfonate 1.5kg, phenethyl phenol polyethenoxy ether 1.5kg, SYNPERONIC PE/F68 2.5kg, dispersant sodium lignin sulfonate Borresperse NA 1kg, naphthalene sulfonate Tersperse 2020 1kg, organosilan defoamer 0.05kg, suspending agent xanthans 0.05kg, preservative Kathon CG 0.05kg, water 24.35kg.
Making step:
Step 1: (1) adds emulsifier calcium dodecyl benzene sulfonate and phenethyl phenol polyethenoxy ether and capsule leather material polyisocyanates to be made into oil phase after former medicine carbosulfan, chlopyrifos are dissolved with solvent Solvesso 200; (2) Borresperse NA, Tersperse 2020, part defoamer are dissolved in to part water and are made into water; (3) oil phase is slowly splashed into water, clip to and be warmed up to 70 ℃ after target grain size D90<5 μ m and constantly stir 4h and make carbosulfan chlorpyrifos microcapsule suspension.
Step 2: (1) adds emulsifier SYNPERONIC PE/F68 to be mixed with oil phase after former medicine Avermectin is dissolved with turpentine-based vegetable oil ND100; (2) cyclodextrin, sodium alginate are dissolved in to the microcapsule suspensions that step 1 makes and are made into suspended phase; (3) oil phase is slowly splashed into water, and be distributed to target grain size D90<5 μ m and make mixing microcapsule suspension.
Step 3: add suspending agent, preservative to be uniformly dispersed and obtain carbosulfan and chlopyrifos and abamectin compounded micro-capsule suspension.
In China, owing to using in a large number for a long time chemical pesticide, extermination of disease and insect pest difficulty increases day by day, and the agricultural product security problem of bringing thus and agricultural chemicals have become the social concern of people's common concern to the pollution of environment.The unreasonable use of agricultural chemicals, not only very big to environmental influence, and also remains of pesticide is just causing that to the safety of human body self and drug-fast generation people pay close attention to greatly.Therefore, many countries formulate the use that high-toxic pesticide is forbidden or limited to rules one after another.Along with world economic integration and China's entry into the WTO, agricultural product must face global competition.And the quality of agricultural product and Pesticide Residue are topmost limiting factors.China is high-toxic pesticide big producing country, high malicious organophosphorus insecticide output accounts for the more than 1/3 of national agricultural chemicals gross yield, the food poisoning causing because of the use of high-toxic pesticide on vegetables constantly occurs, and has brought great harm to people's the security of the lives and property.So development of new is efficient, low-toxin farm chemicals has become one of the most urgent task.Pesticide micro capsule is the feature such as lasting period length, slowly-releasing, toxicity are low, safe ready owing to having, and is just becoming a development trend of pesticides new formulation.Projecting point of the present invention is that the contrary Multiple Pesticides of stable condition is made to a preparation.Micro-capsule suspension is as the formulation that difficulty in the current formulations of pesticide is maximum, technology content is the highest, and its Application and Development difficult problem is the influence factor that this formulation of restriction is extensively promoted always.But belong to high-tech pesticide micro capsule technology by improving greatly the competitive ability of domestic Pesticidal products, in face of new opportunity, microcapsule formulations technology will obtain develop rapidly.
Claims (10)
1. carbosulfan and chlopyrifos and an abamectin compounded micro-capsule suspension, is characterized in that comprising following composition and content (weight ratio):
Carbosulfan 5 ~ 30%
Chlopyrifos 5 ~ 30%
Avermectin 0.1 ~ 5%
Solvent 1 ~ 15%
Capsule leather material 0.2 ~ 5%
Emulsifier 1 ~ 5%
Dispersant 2 ~ 5%
Antifreezing agent 3 ~ 5%
Suspending agent 0.2 ~ 5%
Preservative 0.2 ~ 1%
Defoamer 0.05 ~ 0.2%
Water supplies 100%.
2. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described solvent selects one or more the combination in toluene, dimethylbenzene, solvent naphtha, turpentine-based vegetable oil etc.
3. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described capsule leather material selects one or more the combination in polyisocyanates, cyclodextrin, polyvinyl alcohol, polyacrylic acid, bisphenol A type epoxy resin, sodium alginate etc.
4. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described emulsifier selects one or more the combination in calcium dodecyl benzene sulfonate, phenethyl phenol polyethenoxy ether, castor oil polyoxyethylene ether, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products, SYNPERONIC PE/F68, tween, this Pan etc.
5. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described dispersant selects one or more the combination in phenethyl phenol polyethenoxy ether and phosphate, castor oil polyoxyethylene ether and phosphate thereof, alkylphenol polyoxyethylene and phosphate thereof, alkylphenol polyoxyethylene formaldehyde condensation products sulfonate, lignosulfonates, naphthalene sulfonate etc.
6. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described antifreezing agent selects one or more combinations in ethylene glycol, propane diols, glycerine, urea, polyethylene glycol etc.
7. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described suspending agent selects one or more combinations in aluminium-magnesium silicate, xanthans, carboxymethyl cellulose, polyvinyl alcohol etc.
8. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described preservative selects a kind of in benzoic acid, Sodium Benzoate, Kathon CG etc.
9. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described defoamer selects organosilan defoamer.
10. carbosulfan as claimed in claim 1 and chlopyrifos and abamectin compounded micro-capsule suspension, is characterized in that described wet concentration deionized water.
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| CN104521949A (en) * | 2014-12-15 | 2015-04-22 | 广西大学 | Microcapsule suspension agent |
| CN104920319A (en) * | 2015-06-05 | 2015-09-23 | 柳州市鑫阳农业科技有限公司 | Method for killing chive flies for Chinese chives without pollution |
| CN110591038A (en) * | 2019-08-29 | 2019-12-20 | 威尔（福建）生物有限公司 | Preparation method and application of thickening agent for aqueous emulsion |
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| CN115812731A (en) * | 2022-12-21 | 2023-03-21 | 中农立华生物科技股份有限公司 | High-content carbosulfan microcapsule suspending agent and preparation method and application thereof |
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- 2012-09-19 CN CN201210347639.8A patent/CN103651550A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104521949A (en) * | 2014-12-15 | 2015-04-22 | 广西大学 | Microcapsule suspension agent |
| CN104920319A (en) * | 2015-06-05 | 2015-09-23 | 柳州市鑫阳农业科技有限公司 | Method for killing chive flies for Chinese chives without pollution |
| CN110591038A (en) * | 2019-08-29 | 2019-12-20 | 威尔（福建）生物有限公司 | Preparation method and application of thickening agent for aqueous emulsion |
| CN110591038B (en) * | 2019-08-29 | 2021-06-29 | 威尔（福建）生物有限公司 | Preparation method and application of thickening agent for aqueous emulsion |
| CN110876378A (en) * | 2019-12-11 | 2020-03-13 | 利民化学有限责任公司 | Intelligent microcapsule suspending agent and preparation method thereof |
| CN111418583A (en) * | 2020-05-01 | 2020-07-17 | 利民化学有限责任公司 | Prothioconazole intelligent microcapsule suspending agent and preparation method thereof |
| CN116035017A (en) * | 2022-10-08 | 2023-05-02 | 南通江山农药化工股份有限公司 | Prochloraz-flumioxazin microcapsule suspending agent and preparation method thereof |
| CN115812731A (en) * | 2022-12-21 | 2023-03-21 | 中农立华生物科技股份有限公司 | High-content carbosulfan microcapsule suspending agent and preparation method and application thereof |
| CN115812731B (en) * | 2022-12-21 | 2024-04-09 | 中农立华生物科技股份有限公司 | High-content carbosulfan microcapsule suspending agent and preparation method and application thereof |
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Application publication date: 20140326 |