15% refined glufosinate, quizalofop-p-ethyl and fluoroglycofen microemulsion and preparation process thereof

Abstract

The invention discloses a microemulsion containing 15% of fine glufosinate-ammonium, quizalofop-p-ethyl and fluoroglycofen-ethyl and a preparation process thereof, and the microemulsion is prepared from the following raw materials in parts by mass: 90-110 parts of fine glufosinate-ammonium, 25-35 parts of fluoroglycofen-ethyl, 10-30 parts of quizalofop-p-ethyl, 15-20 parts of an organic solvent, 0.3-0.5 part of a defoaming agent, 3-5 parts of an ampholytic surfactant, 30-40 parts of a dispersing agent, 3-5 parts of an emulsifying agent and 20-40 parts of deionized water. The mass ratio of the fine glufosinate-ammonium to the fluoroglycofen-ethyl to the quizalofop-p-ethyl is 10: 3: 2; the microemulsion of the fine glufosinate-ammonium, fluoroglycofen-ethyl and quizalofop-p-ethyl prepared by the invention has the advantages of low temperature resistance, quick effect, small dosage, good environmental compatibility and the like, and also has the advantages of very good low-temperature stability, capability of keeping a true solution state for a long time, no layering and the like.

Description

Technical Field

[0001] The invention relates to the technical field of pesticides, in particular to a 15% gluconate, quizalofop-gluconate and fluorinated ethoxylate microemulsion and a preparation process thereof. Background Art

[0002] Pesticides are important agricultural production materials, and are crucial for preventing diseases and controlling pests, and promoting stable and high yields of grain and agriculture. However, due to the large amount of pesticides used and the unscientific application methods, problems such as increased production costs, excessive residues in agricultural products, crop damage, and environmental pollution have arisen. In order to promote the transformation of agricultural development methods, effectively control the use of pesticides, ensure agricultural production safety, agricultural product quality safety, and ecological environment safety, and promote sustainable agricultural development.

[0003] Glufosinate-ammonium, international common name: Glufosinate-P, CA registration number: 35597-44-5, chemical name: (2S)-2-amino-4-[hydroxy(methyl)phosphinyl]butyric acid. Molecular formula: C5H 12 NO4P, molecular weight: 181.23; mechanism of action is glutamine synthetase inhibitor, which leads to ammonium ion accumulation in plants, inhibits photosynthesis, and achieves weed control effect. Glufosinate ammonium is low in toxicity and relatively safe, easy to degrade in the soil, safe for crops, small drift, and safe for adjacent crops; it has a wide spectrum of weed control (effective against a variety of annual and perennial weeds), can control malignant weeds resistant to glyphosate, has high activity, kills weeds quickly (between glyphosate and paraquat), and has a long lasting effect. It mainly kills weeds by contact, will not be transferred to other places, and is safe for subsequent crops; it has very good water solubility, stable structure, convenient processing and mixing, low environmental pollution, and realizes higher refinement of pesticides; it has a wide range of applications and can be used in orchards, vineyards, rubber plantations, non-arable land and other plots to control a variety of annual and perennial broad-leaved weeds and grass weeds.

[0004] Fluoroglycofen, chemical name: 0-[5-(2-chloro-a,a,a-trifluoro-p-tolyloxy)-2-nitrobenzoyl] hydroxyethyl acetate, molecular formula: C 16 H9ClF3NO7, fluazifop-butyl is a diphenyl ether herbicide, a selective, contact-type, post-emergence stem and leaf treatment agent, absorbed by the stems and leaves of weeds. This product is absorbed by plants and is effective only under light conditions, and its activity is less affected by ambient temperature. It can prevent and control a variety of broadleaf weeds, such as Polygonaceae, Amaranth, Xanthium sibiricum, Solanum nigrum, Portulaca oleracea, Veronica persica, Shepherd's purse, and Cirsium japonicum. It is commonly used to remove broadleaf weeds in soybean fields, and can also be used for weeding in wheat, barley, peanuts, and rice fields.

[0005] Quizalofop-P-ethyl, molecular formula: C 19 H 17ClN2O4, molecular weight 372.8, is a modified product of quizalofop-p-butyl after removing the inactive optical isomers during the synthesis process. It is a highly selective new dryland stem and leaf treatment agent. After being absorbed by the stems and leaves of weeds, it inhibits the synthesis of fatty acids in plant cells and kills the weeds. It has a good control effect on grass weeds in broad-leaved crop fields. Its efficacy is stable and is not easily affected by environmental conditions such as rain, temperature and humidity.

[0006] Due to the long-term use of glufosinate aqueous solution, more and more weeds have become resistant to glufosinate, and the aqueous emulsions of fluazifop-butyl and quizalofop-P-ethyl have serious stratification instability in high-salt systems. The active ingredients in the aqueous emulsions cannot be efficiently adsorbed to the surface of weeds, resulting in poor weed control effects of the aqueous emulsions of fluazifop-butyl and quizalofop-P-ethyl. In order to reduce the increase of resistant weeds and improve the weed control effect of pesticide products, the mixed use of glufosinate ammonium and other herbicides will become a new development direction in the future. Summary of the invention

[0007] The object of the present invention is to provide a 15% gluconate, quizalofop-ethyl and fluorinated emulsion and a preparation process to solve the problems raised in the above background technology.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a 15% glufosinate-ammonium, quizalofop-butyl, and fluorinated acetic acid microemulsion, comprising the following raw materials in parts by mass: 90-110 parts of glufosinate-ammonium, 25-35 parts of fluazifop-butyl, 10-30 parts of quizalofop-butyl, 15-20 parts of an organic solvent, 0.3-0.5 parts of a defoamer, 3-5 parts of an amphoteric surfactant, 30-40 parts of a dispersant, 3-5 parts of an emulsifier, and 20-40 parts of deionized water, wherein the mass ratio of glufosinate-ammonium to fluazifop-butyl and quizalofop-butyl is 10:3:2.

[0009] Preferably, the raw materials are included in the following parts by mass: 100 parts of glufosinate ammonium, 30 parts of fluazifop-butyl, 20 parts of quizalofop-ethyl, 20 parts of organic solvent, 0.5 parts of defoamer, 4 parts of amphoteric surfactant, 30 parts of dispersant, 5 parts of emulsifier, and 40 parts of deionized water.

[0010] Preferably, the raw materials include the following parts by mass: 90 parts of glufosinate-ammonium, 27 parts of fluazifop-butyl, 18 parts of quizalofop-ethyl, 15 parts of organic solvent, 0.3 parts of defoaming agent, 4 parts of amphoteric surfactant, 35 parts of dispersant, 4 parts of emulsifier, and 30 parts of deionized water.

[0011] Preferably, the organic solvent is selected from one or more combinations of solvent oil, methyl oleate, ethanol, dimethyl carbonate, cyclohexanone, propylene carbonate, dimethyl sulfoxide, N-methylpyrrolidone, N,N-dimethylacetamide, N,N-dimethylpropionamide, and N,N-dimethyldecylamide.

[0012] Preferably, the defoaming agent is selected from at least one of a polyether defoaming agent and a silicone defoaming agent.

[0013] Preferably, the amphoteric surfactant is selected from one or more combinations of amino acid type amphoteric surfactants, betaine type amphoteric surfactants, imidazoline type amphoteric surfactants, and amine oxide type amphoteric surfactants.

[0014] Preferably, the dispersant is selected from one or more combinations of naphthalenesulfonate formaldehyde condensate, polycarboxylate, polyphenylethylphenol polyoxyethylene ether phosphate salt, and succinate sulfonate.

[0015] Preferably, the emulsifier is selected from one or more combinations of alkylphenol formaldehyde resin polyoxyethylene ether, phenethylphenol formaldehyde resin polyoxyethylene ether, alkylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, and block polyether.

[0016] A preparation process of 15% gluconate, quizalofop-gluconate and fluorinated acetylcholine microemulsion comprises the following steps:

[0017] Step 1), oil phase preparation: firstly, quizalofop-p-ethyl and fluazifop-butyl technical are fully stirred in N,N-dimethyldecylamide until dissolved, and then fatty alcohol polyoxyethylene ether is added and stirred evenly to obtain the oil phase;

[0018] Step 2), aqueous phase preparation: stir the refined glufosinate ammonium in deionized water until dissolved;

[0019] Step 3), preparation of microemulsion: slowly pump the oil phase into the water phase, add organic solvent, defoamer, amphoteric surfactant, dispersant, emulsifier, stir for 40 minutes until the oil phase and the water phase are fully emulsified to the product appearance transparent, then the microemulsion is prepared;

[0020] Step 4), product inspection: the prepared microemulsion is inspected by the quality inspection department, and if all indicators are qualified, the next step is entered, if not, the step 3 is re-entered;

[0021] Step 5), filtering and packaging: the qualified microemulsion in step 4) is filtered and packaged to obtain a finished product.

[0022] Glufosinate-ammonium: As the main component of the microemulsion, it has a good killing effect on weeds. Fluazifop-butyl and Quizalofop-P-ethyl: They work synergistically with glufosinate-ammonium to enhance the weed killing effect of the microemulsion. Formula screening tests have shown that when glufosinate-ammonium, fluazifop-butyl and Quizalofop-P-ethyl are compounded in a ratio of 10:3:2, they can play a synergistic role and improve the weed removal effect.

[0023] Defoaming agent: eliminates bubbles in microemulsion and improves its use effect.

[0024] Amphoteric surfactants: Wetting the hydrophobic surface of weeds and having a high deposition efficiency enable the pesticide to be well transferred and penetrated during application, effectively killing weeds. At the same time, amphoteric surfactants have amphoteric groups that can adsorb anions and cations at the same time, allowing the microemulsion to form a stable system.

[0025] Dispersant: Make the components in the microemulsion evenly dispersed to improve its use effect. Emulsifier: Work synergistically with amphoteric surfactants to improve the high and low temperature stability of microemulsions containing glufosinate-ammonium, fluazifop-butyl and quizalofop-ethyl, and maintain a true solution state for a long time without stratification.

[0026] Organic solvent and water: as solvents to mix all components evenly.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The microemulsion containing glufosinate ammonium, fluazifop-butyl and quizalofop-ethyl prepared by the present invention has the characteristics of low temperature resistance, quick effect, small dosage, reduced pesticide residue and good environmental compatibility. The microemulsion containing glufosinate ammonium, fluazifop-butyl and quizalofop-ethyl is improved through the synergistic effect of the amphoteric surfactant and the emulsifier, and has very good low temperature stability, can maintain a true solution state for a long time, and will not be stratified or turbid. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a process flow chart of the present invention;

[0030] Figure 2 This is a graph showing the results of the toxicity test of glufosinate-ammonium, quizalofop-p-ethyl and fluazifop-butyl and their mixed combinations to Amaranthus spinulosa;

[0031] Figure 3 This is a graph showing the results of the toxicity test of glufosinate-ammonium, quizalofop-p-ethyl and fluazifop-butyl and their mixed combination on Chenopodium album;

[0032] Figure 4 This is a graph showing the results of the toxicity test of glufosinate-ammonium, quizalofop-p-ethyl and fluazifop-butyl and their mixed combinations against crabgrass;

[0033] Figure 5 This is a graph showing the results of the toxicity test of glufosinate-ammonium, quizalofop-p-ethyl and fluazifop-butyl and their mixed combinations on Setaria viridis;

[0034] Figure 6 This is a graph showing the results of a field efficacy test of a 15% gluconate, quizalofop-sodium, and fluorinated acetylcholine microemulsion of the present invention. DETAILED DESCRIPTION

[0035] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0036] See also Figure 1 The invention provides a 15% glufosinate-ammonium, quizalofop-butyl and fluorinated fluorine microemulsion. The 15% glufosinate-ammonium, quizalofop-butyl and fluorinated fluorine microemulsion comprises the following raw materials in parts by mass: 90-110 parts of glufosinate-ammonium, 25-35 parts of fluazifop-butyl, 10-30 parts of quizalofop-butyl, 15-20 parts of an organic solvent, 0.3-0.5 parts of a defoamer, 3-5 parts of an amphoteric surfactant, 30-40 parts of a dispersant, 3-5 parts of an emulsifier and 20-40 parts of deionized water. The mass ratio of glufosinate-ammonium to fluazifop-butyl and quizalofop-butyl is 10:3:2.

[0037] The organic solvent is selected from one or more combinations of solvent oil, methyl oleate, ethanol, dimethyl carbonate, cyclohexanone, propylene carbonate, dimethyl sulfoxide, N-methylpyrrolidone, N,N-dimethylacetamide, N,N-dimethylpropionamide, and N,N-dimethyldecylamide. The defoamer is selected from at least one of polyether defoamers and silicone defoamers. The amphoteric surfactant is selected from one or more combinations of amino acid type amphoteric surfactants, betaine type amphoteric surfactants, imidazoline type amphoteric surfactants, and amine oxide type amphoteric surfactants. The dispersant is selected from one or more combinations of naphthalene sulfonate formaldehyde condensate, polycarboxylate, polyphenylethylphenol polyoxyethylene ether phosphate salt, and succinate sulfonate. The emulsifier is selected from one or more combinations of alkylphenol formaldehyde resin polyoxyethylene ether, phenylethylphenol formaldehyde resin polyoxyethylene ether, alkylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, and block polyether.

[0038] A preparation process of 15% gluconate, quizalofop-gluconate and fluorinated acetylcholine microemulsion comprises the following steps:

[0039] Step 1), oil phase preparation: firstly, quizalofop-p-ethyl and fluazifop-butyl technical are fully stirred in N,N-dimethyldecylamide until dissolved, and then fatty alcohol polyoxyethylene ether is added and stirred evenly to obtain the oil phase;

[0040] Step 2), aqueous phase preparation: stir the refined glufosinate ammonium in deionized water until dissolved;

[0041] Step 3), preparation of microemulsion: slowly pump the oil phase into the water phase, add organic solvent, defoamer, amphoteric surfactant, dispersant, emulsifier, stir for 40 minutes until the oil phase and the water phase are fully emulsified to the product appearance transparent, then the microemulsion is prepared;

[0042] Step 4), product inspection: the prepared microemulsion is inspected by the quality inspection department, and if all indicators are qualified, the next step is entered, if not, the step 3 is re-entered;

[0043] Step 5), filtering and packaging: the qualified microemulsion in step 4) is filtered and packaged to obtain a finished product.

[0044] Embodiment 1:

[0045] A preparation process of 15% gluconate, quizalofop-gluconate and fluorinated acetylcholine microemulsion comprises the following steps:

[0046] Step 1), preparation of the oil phase: firstly, 20 parts of quizalofop-p-ethyl and 30 parts of fluazifop-butyl are fully stirred in N,N-dimethyldecylamide until dissolved, and then fatty alcohol polyoxyethylene ether is added and stirred evenly to obtain the oil phase;

[0047] Step 2), water phase preparation: 100 parts of refined glufosinate ammonium are stirred in 40 parts of deionized water until dissolved;

[0048] Step 3), preparation of microemulsion: slowly pump the oil phase into the water phase, add 20 parts of organic solvent, 0.5 parts of defoamer, 4 parts of amphoteric surfactant, 30 parts of dispersant, 5 parts of emulsifier, stir for 40 minutes until the oil phase and the water phase are fully emulsified to the product appearance transparent, then the microemulsion is prepared;

[0049] Step 4), product inspection: the prepared microemulsion is inspected by the quality inspection department, and if all indicators are qualified, the next step is entered, if not, the step 3 is re-entered;

[0050] Step 5), filtering and packaging: the qualified microemulsion in step 4) is filtered and packaged to obtain a finished product.

[0051] Embodiment 2:

[0052] A preparation process of 15% gluconate, quizalofop-gluconate and fluorinated acetylcholine microemulsion comprises the following steps:

[0053] Step 1), preparation of the oil phase: firstly, 18 parts of quizalofop-p-ethyl and 27 parts of fluazifop-butyl are fully stirred in N,N-dimethyldecylamide until dissolved, and then fatty alcohol polyoxyethylene ether is added and stirred evenly to obtain the oil phase;

[0054] Step 2), water phase preparation: 90 parts of refined glufosinate ammonium are stirred thoroughly in 30 parts of deionized water until dissolved;

[0055] Step 3), preparation of microemulsion: slowly pump the oil phase into the water phase, add 15 parts of organic solvent, 0.3 parts of defoamer, 4 parts of amphoteric surfactant, 35 parts of dispersant, 4 parts of emulsifier, stir for 40 minutes until the oil phase and the water phase are fully emulsified to the product appearance transparent, then the microemulsion is prepared;

[0056] Step 4), product inspection: the prepared microemulsion is inspected by the quality inspection department, and if all indicators are qualified, the next step is entered, if not, the step 3 is re-entered;

[0057] Step 5), filtering and packaging: the qualified microemulsion in step 4) is filtered and packaged to obtain a finished product.

[0058] Embodiment three:

[0059] First, add 150 kg of N, N-dimethyldecylamide, stir for about 10 minutes, then add 22 kg of quizalofop-p-ethyl technical and 32 kg of fluazifop-butyl technical, stir for about 30 minutes; then add 150 kg of fatty alcohol polyoxyethylene ether, stir for about 30 minutes, then add 534 kg of deionized water and 112 kg of glufosinate ammonium technical, stir for about 30 minutes; finally, mix the oil phase and the water phase and stir for 40 minutes to obtain a transparent homogeneous liquid, and the preparation of 15% quizalofop-p-ethyl, fluazifop-butyl and glufosinate ammonium microemulsion is completed.

[0060] Fluazifop-butyl is a contact herbicide that controls broadleaf weeds; quizalofop-ethyl is a systemic stem and leaf treatment agent that controls grass weeds; glufosinate-ammonium is a contact herbicide with partial systemic action, a phosphate herbicide, and a glutamine synthesis inhibitor. The combination of the three can make up for the shortcoming of the single weed control spectrum of a single agent, expand the weed control spectrum, and prolong the duration of efficacy.

[0061] According to the guidelines for indoor bioassays for pesticides NY / T 1155.4-2006 and NY / T 1155.7-2006, the combined effects of glufosinate-ammonium, quizalofop-p-ethyl and fluazifop-butyl in different proportions on Amaranthus spinulosa, Chenopodium album, Digitaria tangutica and Setaria viridis were determined. Figure 2-5), glufosinate-ammonium, quizalofop-p-ethyl and fluazifop-butyl were prepared in the amounts of 60+12+12, 60+12+18, 60+12+30, 60+12+45, 60+12+60, 80+12+12, 80+12+18, 80+12+30, 80+12+45, 80+12+60, 100+12+12, 100+12+18, 100+12+30, 100+12+45, 100+12+60, 120+12 The mixing ratios of 120+12, 120+12+18, 120+12+30, 120+12+45, and 120+12+60 all showed additive effects on the weed control of Amaranthus spinulosa, Chenopodium album, Digitaria sanguinea, and Setaria viridis. The intensity of the combined herbicidal effect of the above 20 mixed combinations varied depending on the ratio and weed type. Among them, the mixed combination of 60+12+18 (i.e., the active ingredient ratio of glufosinate-ammonium, quizalofop-p-ethyl, and fluazifop-butyl was 10:2:3) had the best effect on Amaranthus spinulosa, Chenopodium album, Digitaria sanguinea, and Setaria viridis. The additive herbicidal effect of mixing glufosinate-ammonium, quizalofop-p-ethyl, and fluazifop-butyl can reduce the amount of medicine used. The results of field efficacy tests showed that (such as Figure 6 As shown in the figure, a 15% gluconate, quizalofop-ethyl and fluorinated acetylcholine microemulsion can effectively prevent weeds in non-arable land. It is applied during the weed growth period. The recommended dosage of active ingredient is 225-450 g / hectare, that is, the dosage of the preparation is 100-200 g / mu, and it is diluted with 600 liters / hectare of water for uniform stem and leaf spraying.

[0062] Preparations with quizalofop-p-ethyl and fluazifop-butyl as main active ingredients mainly include emulsifiable concentrates and microemulsions. Since the solubility of quizalofop-p-ethyl and fluazifop-butyl in water is less than 1 mg / L, the stability of the compound emulsifiable concentrate of quizalofop-p-ethyl and fluazifop-butyl in water is poor, and stratification and precipitation will occur in a short time after mixing with water. The particles of the active ingredients in the microemulsion are the smallest in deionized water and contain less organic solvent. The microemulsion also has very good low-temperature stability, can maintain a true solution state for a long time, and will not stratify. Therefore, it has the advantages of good efficacy, light phytotoxicity, better physical stability, and better environmental compatibility.

[0063] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A 15% gluconate, quinacral, and fluorinated acetylcholine microemulsion, characterized in that: The invention comprises the following raw materials in parts by mass: 90-110 parts of glufosinate ammonium, 25-35 parts of fluazifop-butyl, 10-30 parts of quizalofop-ethyl, 15-20 parts of organic solvent, 0.3-0.5 parts of defoamer, 3-5 parts of amphoteric surfactant, 30-40 parts of dispersant, 3-5 parts of emulsifier and 20-40 parts of deionized water, wherein the mass ratio of glufosinate ammonium to fluazifop-butyl and quizalofop-ethyl is 10:3:

2.

2. A 15% gluconate, quizalofop-ethyl and fluorinated acetylcholine microemulsion according to claim 1, characterized in that: The invention comprises the following raw materials in parts by weight: 100 parts of glufosinate ammonium, 30 parts of fluazifop-butyl, 20 parts of quizalofop-ethyl, 20 parts of organic solvent, 0.5 parts of defoaming agent, 4 parts of amphoteric surfactant, 30 parts of dispersant, 5 parts of emulsifier and 40 parts of deionized water.

3. A 15% gluconate, quizalofop-ethyl and chlorpyrifos microemulsion according to claim 1, characterized in that: The invention comprises the following raw materials in parts by weight: 90 parts of glufosinate ammonium, 27 parts of fluazifop-butyl, 18 parts of quizalofop-ethyl, 15 parts of organic solvent, 0.3 parts of defoaming agent, 4 parts of amphoteric surfactant, 35 parts of dispersant, 4 parts of emulsifier and 30 parts of deionized water.

4. A 15% gluconate, quizalofop-ethyl and chlorpyrifos microemulsion according to any one of claims 1 to 3, characterized in that: Said organic The solvent is selected from solvent oil, methyl oleate, ethanol, dimethyl carbonate, cyclohexanone, propylene carbonate, dimethyl sulfoxide, One or more of N-methylpyrrolidone, N,N-dimethylacetamide, N,N-dimethylpropionamide, N,N-dimethyldecylamide Combination of.

5. A 15% gluconate, quizalofop-ethyl and chlorpyrifos microemulsion according to any one of claims 1 to 3, characterized in that: The defoamer is selected from at least one of a polyether defoamer and a silicone defoamer.

6. A 15% gluconate, quizalofop-ethyl and chlorpyrifos microemulsion according to any one of claims 1 to 3, characterized in that: The amphoteric surfactant is selected from amino acid type amphoteric surfactant, betaine type amphoteric surfactant, imidazoline type A combination of one or more of amphoteric surfactants and amine oxide type amphoteric surfactants.

7. A 15% gluconate, quizalofop-ethyl and chlorpyrifos microemulsion according to any one of claims 1 to 3, characterized in that: The dispersant is selected from naphthalenesulfonate formaldehyde condensate, polycarboxylate, polyphenylethylphenol polyoxyethylene ether phosphate salt, succinic acid A combination of one or more of the ester sulfonates.

8. A 15% gluconate, quizalofop-ethyl and chlorpyrifos microemulsion according to any one of claims 1 to 3, characterized in that: The emulsifier is selected from alkylphenol formaldehyde resin polyoxyethylene ether, phenethylphenol formaldehyde resin polyoxyethylene ether, alkylphenol polyoxyethylene ether One or more combinations of vinyl ether, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, and block polyether.

9. The preparation process of a 15% gluconate, quizalofop-ethyl and chlorpyrifos microemulsion according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1), oil phase preparation: firstly, quizalofop-p-ethyl and fluazifop-butyl technical are fully stirred in N,N-dimethyldecylamide until dissolved, and then fatty alcohol polyoxyethylene ether is added and stirred evenly to obtain the oil phase; Step 2), aqueous phase preparation: stir the refined glufosinate ammonium in deionized water until dissolved; Step 3), preparation of microemulsion: slowly pump the oil phase into the water phase, add organic solvent, defoamer, amphoteric surfactant, dispersant, emulsifier, stir for 40 minutes until the oil phase and the water phase are fully emulsified to the product appearance transparent, then the microemulsion is prepared; Step 4), product inspection: the prepared microemulsion is inspected by the quality inspection department, and if all indicators are qualified, the next step is entered, if not, the step 3 is re-entered; Step 5), filtering and packaging: the qualified microemulsion in step 4) is filtered and packaged to obtain a finished product.

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