阅读说明：本技术 乳化剂及包含其的助剂在农药制剂加工中的应用 (Emulsifier and application of auxiliary agent containing emulsifier in pesticide preparation processing ) 是由 赵宝林 刘永震 张世辉 孙德莹 黄治国 孟威 汪荣 马世龙 段文岗 赵丽娜 马辉 于 2019-10-23 设计创作，主要内容包括：本发明提供了一种乳化剂及包含其的助剂在农药制剂加工中的应用,涉及农药技术领域。该乳化剂包括组份A和组份B,其中组份A包括烷基酚聚氧乙烯醚、壬基酚聚氧乙烯醚、脂肪醇聚氧乙烯醚、蓖麻油聚氧乙烯醚、司盘、脂肪醇醚磷酸酯钾盐、月桂基磷酸酯钾盐、十二烷基苯磺酸钙和吐温中的一种或多种；组份B包括马来松香辛基酚聚氧乙烯醚双酯羧酸钠、松香聚乙二醇柠檬酸酯、N-月桂酰基肌氨酸钠和顺丁烯二酸二仲辛酯磺酸钠中的一种或多种。该乳化剂能有效的乳化生物质溶剂,缓解了现有技术中缺乏一种使用生物质溶剂加工农药制剂的乳化剂。(The invention provides an emulsifier and application of an auxiliary agent containing the emulsifier in pesticide preparation processing, and relates to the technical field of pesticides. The emulsifier comprises a component A and a component B, wherein the component A comprises one or more of alkylphenol polyoxyethylene, nonylphenol polyoxyethylene, fatty alcohol polyoxyethylene, castor oil polyoxyethylene, span, potassium fatty alcohol ether phosphate, potassium lauryl phosphate, calcium dodecyl benzene sulfonate and tween; the component B comprises one or more of sodium octyl phenol polyoxyethylene ether maleate, rosin polyethylene glycol citrate, N-lauroyl sarcosine sodium and sodium di-sec-octyl maleate sulfonate of maleic rosin. The emulsifier can effectively emulsify the biomass solvent, and relieves the defect that the emulsifier for processing the pesticide preparation by using the biomass solvent is lacked in the prior art.)

1. An emulsifier for processing pesticide preparation by using biomass solvent is characterized by comprising a component A and a component B;

the component A comprises one or more of alkylphenol polyoxyethylene, nonylphenol polyoxyethylene, fatty alcohol polyoxyethylene, castor oil polyoxyethylene, span, fatty alcohol ether phosphate potassium salt, lauryl phosphate potassium salt, calcium dodecyl benzene sulfonate and tween;

the component B comprises one or more of sodium octyl phenol polyoxyethylene ether maleate, rosin polyethylene glycol citrate, N-lauroyl sarcosine sodium and sodium di-sec-octyl maleate sulfonate of maleic rosin.

2. The emulsifier according to claim 1, wherein the component A comprises one or more of alkylphenol ethoxylates, nonylphenol ethoxylates, fatty alcohol ethoxylates, castor oil ethoxylates and span;

preferably, the alkylphenol ethoxylates comprise alkylphenol ethoxylate TX-4, alkylphenol ethoxylate TX-5, alkylphenol ethoxylate TX-6, alkylphenol ethoxylate TX-7, alkylphenol ethoxylate TX-8, alkylphenol ethoxylate TX-9 or alkylphenol ethoxylate TX-10; preferably comprises alkylphenol ethoxylates TX-4;

preferably, the polyoxyethylene nonyl phenyl ether comprises polyoxyethylene nonyl phenyl ether NP-4, polyoxyethylene nonyl phenyl ether NP-10, polyoxyethylene nonyl phenyl ether NP-15, polyoxyethylene nonyl phenyl ether NP-18 or polyoxyethylene nonyl phenyl ether NP-40; preferably nonylphenol polyoxyethylene ether NP-4;

preferably, the fatty alcohol-polyoxyethylene ether comprises fatty alcohol-polyoxyethylene ether AEO-3, fatty alcohol-polyoxyethylene ether AEO-5, fatty alcohol-polyoxyethylene ether AEO-7 or fatty alcohol-polyoxyethylene ether AEO-9; preferably comprises fatty alcohol polyoxyethylene ether AEO-3;

preferably, the castor oil polyoxyethylene ether comprises castor oil polyoxyethylene ether EL-10, castor oil polyoxyethylene ether EL-20, castor oil polyoxyethylene ether EL-40, castor oil polyoxyethylene ether EL-80 or castor oil polyoxyethylene ether HEL-20; preferably comprises castor oil polyoxyethylene ether EL-10;

preferably, the span comprises span S-20, span S-40, span S-60, span S-80, span S-65 or span S-85; preferably span S-20 or span S-40; preferably, the component A comprises alkylphenol polyoxyethylene TX-4 and castor oil polyoxyethylene EL-10;

preferably, the component A comprises nonylphenol polyoxyethylene ether NP-4 and castor oil polyoxyethylene ether EL-10;

preferably, the component A comprises alkylphenol polyoxyethylene TX-4 and fatty alcohol polyoxyethylene AEO-3;

preferably, the component A comprises fatty alcohol-polyoxyethylene ether AEO-3 and span S-20.

3. The emulsifier according to claim 1, wherein the component B comprises at least two of sodium octylphenol polyoxyethylene ether maleate, rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate and sodium di-sec-octyl maleate;

preferably, the component B comprises sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate and sodium cis-butenedioic acid di-sec-octyl ester sulfonate;

preferably, component B comprises rosin polyethylene glycol citrate and N-lauroyl sarcosine sodium;

preferably, component B comprises rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate and sodium di-sec-octyl maleate sulfonate.

4. The emulsifier according to any one of claims 1 to 3, wherein the emulsifier comprises alkylphenol ethoxylate TX-4, castor oil ethoxylate EL-10, sodium octylphenol ethoxylate maleate and sodium di-sec-octyl maleate;

preferably, the emulsifier comprises, by weight, 44-6 parts of alkylphenol polyoxyethylene TX-6, 101.5-2.5 parts of castor oil polyoxyethylene EL-101, 3.5-4.5 parts of sodium octyl phenol polyoxyethylene maleate of maleated rosin and 1.5-2.5 parts of sodium di-sec-octyl maleate sulfonate;

preferably, the emulsifier comprises alkylphenol polyoxyethylene TX-4, castor oil polyoxyethylene EL-10, rosin polyethylene glycol citrate and N-lauroyl sodium sarcosinate;

preferably, the emulsifier comprises, by weight, 44-6 parts of alkylphenol polyoxyethylene TX-44, 101.5-2.5 parts of castor oil polyoxyethylene EL-101, 5-7 parts of rosin polyethylene glycol citrate and 2.5-3.5 parts of N-lauroyl sarcosine sodium;

preferably, the emulsifier comprises alkylphenol polyoxyethylene TX-4, castor oil polyoxyethylene EL-10, rosin polyethylene glycol citrate, N-lauroyl sarcosine sodium and sodium di-sec-octyl maleate sulfonate;

preferably, the emulsifier comprises, by weight, 44-6 parts of alkylphenol polyoxyethylene TX-6 parts, 101.5-2.5 parts of castor oil polyoxyethylene EL-101, 3.5-4.5 parts of rosin polyethylene glycol citrate, 2.5-3.5 parts of N-lauroyl sarcosine sodium and 0.5-1.5 parts of sodium di-sec-octyl maleate sulfonate;

preferably, the emulsifier comprises nonylphenol polyoxyethylene ether NP-4, castor oil polyoxyethylene ether EL-10, sodium octylphenol polyoxyethylene ether diester carboxylate of maleated rosin and sodium di-sec-octyl maleate sulfonate;

preferably, the emulsifier comprises, by weight, 45-7 parts of nonylphenol polyoxyethylene ether NP-45, 102.5-3.5 parts of castor oil polyoxyethylene ether EL-102, 4-6 parts of sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate and 1.5-2.5 parts of sodium cis-butenedioic acid di-sec-octyl ester sulfonate;

preferably, the emulsifier comprises nonylphenol polyoxyethylene ether NP-4, castor oil polyoxyethylene ether EL-10, rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate and sodium di-sec-octyl maleate;

preferably, the emulsifier comprises the following components in parts by weight: 45-7 parts of nonylphenol polyoxyethylene ether NP-45, 102.5-3.5 parts of castor oil polyoxyethylene ether EL-102, 3-5 parts of rosin polyethylene glycol citrate, 1.5-2.5 parts of N-lauroyl sarcosine sodium and 1.5-2.5 parts of sodium di-sec-octyl maleate sulfonate;

preferably, the emulsifier comprises alkylphenol polyoxyethylene TX-4, fatty alcohol polyoxyethylene AEO-3, rosin polyethylene glycol citrate and N-lauroyl sarcosine sodium;

preferably, the emulsifier comprises, by weight, 42-4 parts of alkylphenol polyoxyethylene ether TX-42, 33-5 parts of fatty alcohol polyoxyethylene ether AEO-33, 1.5-2.5 parts of rosin polyethylene glycol citrate and 2.5-3.5 parts of N-lauroyl sarcosine sodium;

preferably, the emulsifier comprises alkylphenol polyoxyethylene TX-4, fatty alcohol polyoxyethylene AEO-3, rosin polyethylene glycol citrate, N-lauroyl sodium sarcosinate and sodium di-sec-octyl maleate sulfonate;

preferably, the emulsifier comprises, by weight, 42-4 parts of alkylphenol polyoxyethylene ether TX-42, 33-5 parts of fatty alcohol polyoxyethylene ether AEO-33, 0.5-1.5 parts of rosin polyethylene glycol citrate, 2.5-3.5 parts of N-lauroyl sarcosine sodium and 0.5-1.5 parts of sodium di-sec-octyl maleate sulfonate;

preferably, the emulsifier comprises fatty alcohol-polyoxyethylene ether AEO-3, span S-20, rosin polyethylene glycol citrate and N-lauroyl sarcosine sodium;

preferably, the emulsifier comprises, by weight, 35-7 parts of fatty alcohol-polyoxyethylene ether AEO-5, 201.5-2.5 parts of span S-1.5 parts of rosin polyethylene glycol citrate and 0.5-1.5 parts of N-lauroyl sarcosine sodium.

5. An adjuvant for the solvent processing of pesticide formulations using biomass, characterized in that it comprises an emulsifier according to any one of claims 1 to 4;

preferably, the auxiliary agent further comprises one or more of a penetrating agent, an anti-freezing agent, a preservative and a defoaming agent;

preferably, the penetrant comprises one or more of alkylphenol ethoxylates, ethoxy trisiloxane, organosilicon, azone, fatty alcohol-polyoxyethylene ether and sodium dioctyl sulfosuccinate;

preferably, the antifreeze agent comprises one or more of polyethylene glycol, propylene glycol, glycerol, sorbitol, n-butanol and urea;

preferably, the preservative comprises one or more of benzoic acid, sodium benzoate, 2, 6-di-tert-butyl-4-methylphenol, butyl hydroxyanisole and tert-butylhydroquinone;

preferably, the antifoaming agent includes a glycerol polyoxypropylene ether type antifoaming agent and/or a silicone type antifoaming agent.

6. The adjuvant according to claim 5, wherein the pesticide formulation comprises an emulsifiable concentrate, and the adjuvant comprises, in parts by weight: 6-20 parts of emulsifier, 0.5-3 parts of penetrant, 0.5-3 parts of antifreeze and 0.3-1.2 parts of preservative;

preferably, the auxiliary agent comprises 7-15 parts by weight of emulsifier, 1-2 parts by weight of penetrant, 0.8-2 parts by weight of antifreeze and 0.3-0.8 part by weight of preservative;

more preferably, the auxiliary agent comprises 8-13 parts by weight of emulsifier, 1.2-1.8 parts by weight of penetrant, 1-1.5 parts by weight of antifreeze and 0.3-0.5 part by weight of preservative.

7. The auxiliary agent as claimed in claim 5, wherein the pesticide preparation comprises an aqueous emulsion, and the auxiliary agent comprises the following components in parts by weight: 5-15 parts of an emulsifier, 1-3 parts of a penetrant, 3-5 parts of an antifreeze, 0.3-1.2 parts of a preservative and 0.3-0.8 part of a defoaming agent;

preferably, the auxiliary agent comprises the following components in parts by weight: 6-13 parts of emulsifier, 1-2 parts of penetrant, 3.5-5 parts of antifreeze, 0.3-0.8 part of preservative and 0.3-0.6 part of defoamer;

more preferably, the auxiliary agent comprises the following components in parts by weight: 7-12 parts of emulsifier, 1.2-1.8 parts of penetrant, 3.8-4.5 parts of antifreeze, 0.3-0.5 part of preservative and 0.3-0.6 part of defoaming agent.

8. A pesticidal formulation characterized by comprising the following (a) to (c); (a) an emulsifier according to any one of claims 1 to 4 or an adjuvant according to any one of claims 5 to 7; (b) raw medicines; (c) biomass solvent and/or water.

9. The pesticide formulation of claim 8, wherein the biomass solvent comprises at least one of methyl oleate, methyl fatty acid esters, turpentine-based vegetable oils, epoxidized soybean oil, and biodiesel; preferably methyl oleate is included.

10. The pesticidal formulation of claim 8, wherein the pesticide further comprises a technical material; the raw pesticide comprises at least one of abamectin, lambda-cyhalothrin, chlorpyrifos, carbosulfan, imidacloprid, fenvalerate, malathion, pyridaben, acetamiprid, emamectin benzoate, spinosad, matrine, mineral oil, difenoconazole, propiconazole, pyraclostrobin, myclobutanil, flusilazole, tebuconazole, pendimethalin, quizalofop-p-ethyl and clethodim;

preferably, the raw pesticide comprises at least one of abamectin, lambda-cyhalothrin, carbosulfan, fenvalerate, malathion, emamectin benzoate, spinosad, mineral oil, difenoconazole, propiconazole, myclobutanil, tebuconazole and pendimethalin.

Technical Field

The invention relates to the technical field of pesticides, and particularly relates to an emulsifier and application of an auxiliary agent containing the emulsifier in pesticide preparation processing.

Background

According to the current practical situation of pesticide field, the agriculture, forestry and other aspects of China cause huge losses due to diseases, insect pests and weeds every year, and for controlling the occurrence and spread of various diseases, insect pests and weeds, people mainly adopt chemical pesticide control for a long time. The pesticide is used as an important agricultural production data and is vital to preventing and controlling diseases and pests, promoting grain and agricultural stable yield and high yield. For years, as the crop seeding area is enlarged year by year and the difficulty of pest control is increased, the pesticide consumption is increased, and statistics shows that the ratio of chemical control area in China to the total control area is as high as about 95%. Various solvents and auxiliary substances used in the traditional pesticide are inflammable, explosive and toxic, and cause the problems of serious environmental pollution, harm to human health and the like while preventing and treating diseases, pests and weeds. Along with the development and progress of society, people pay attention to environmental pollution to an unprecedented level, and the problem of environmental pollution caused by pesticides is more and more concerned by people.

The biomass solvent is prepared from biomass serving as a raw material, is green and environment-friendly, and is prepared from the following components: methyl oleate, fatty acid methyl ester, rosin-based vegetable oil, epoxidized soybean oil, biodiesel and the like, have the advantages of no toxicity, good compatibility with the environment, sufficient resources, reproducibility, reasonable cost and the like, and meet the requirements of pesticide formulation development on solvents in the future, so that the pesticide formulation can completely replace organic solvents such as benzene series solvents and the like which are massively used in pesticide formulations such as traditional missible oil, aqueous emulsion and the like, and the problem of serious environmental pollution of the organic solvents caused by spraying of the traditional pesticide formulations is fundamentally solved.

However, when the biomass solvent completely replaces organic solvents such as benzene series solvents and the like used in traditional pesticides, due to the great difference of physical and chemical properties, qualified biomass solvent pesticide preparation products cannot be processed only by the traditional pesticide auxiliary agents in the pesticide preparation processing, and the development of the auxiliary agents suitable for processing pesticide preparations such as missible oil, emulsion in water and the like by using the biomass solvent is needed. Therefore, an emulsifier capable of effectively emulsifying a biomass solvent is currently required.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

The first purpose of the invention is to provide an emulsifier for processing pesticide preparation by using biomass solvent, which alleviates the defect of lacking an emulsifier suitable for emulsifying biomass solvent in the prior art.

The second purpose of the invention is to provide an auxiliary agent for processing pesticide preparation by using biomass solvent, which comprises the emulsifier.

The third purpose of the invention is to provide a pesticide preparation which is green and environment-friendly and has low content of harmful substances.

In order to solve the technical problems, the invention adopts the following technical scheme:

according to one aspect of the present invention, there is provided an emulsifier for processing a pesticide formulation using a biomass solvent, comprising component a and component B;

the component A comprises one or more of alkylphenol polyoxyethylene, nonylphenol polyoxyethylene, fatty alcohol polyoxyethylene, castor oil polyoxyethylene, span, fatty alcohol ether phosphate potassium salt, lauryl phosphate potassium salt, calcium dodecyl benzene sulfonate and tween;

the component B comprises one or more of sodium octyl phenol polyoxyethylene ether maleate, rosin polyethylene glycol citrate, N-lauroyl sarcosine sodium and sodium di-sec-octyl maleate sulfonate of maleic rosin.

According to another aspect of the present invention, there is also provided an adjuvant for processing a pesticide formulation using a biomass solvent, the adjuvant comprising the above-mentioned emulsifier.

According to another aspect of the present invention, there is also provided a pesticidal formulation comprising the following (a) to (c); (a) the above-mentioned emulsifier or the above-mentioned auxiliary; (b) raw medicines; (c) biomass solvent and/or water.

Compared with the prior art, the invention has the following beneficial effects:

according to the emulsifier for processing the pesticide preparation by using the biomass solvent, the components suitable for processing the biomass solvent pesticide preparation are screened from the multiple components to form the emulsifier according to the characteristics of the biomass solvent, the components screened by the emulsifier are not limited in the field of pesticides, and for example, the used sodium octylphenol polyoxyethylene ether dicarboxylate is used as a cleaning agent; the rosin polyethylene glycol citrate is a detergent in the industrial or crude oil field; n-lauroyl sodium sarcosinate is used as a special emulsifier for the coating; sodium di-sec-octylate maleate is used as a special printing and dyeing auxiliary agent.

The invention finds that the components are used for emulsifying the biomass solvent, so that the invention has good effect, greatly improves the wetting and spreading performance, the permeability and the viscous performance of the biomass solvent pesticide preparation product, greatly improves the pesticide effect in field application, and can effectively realize the reduction, the quality improvement and the efficiency improvement of the pesticide preparation product. And the price of the benzene series solvent is equivalent to that of a biomass solvent such as methyl oleate at present, and the cost is not increased after the improvement. The application of the emulsifier provided by the invention can solve the harm of benzene series solvents and the like to the environment and human health from the source, meets the requirement of green development, and has remarkable economic benefit, environmental benefit and social benefit. The auxiliary agent containing the emulsifier provided by the invention also has the beneficial effects of the emulsifier.

The emulsifier or the auxiliary agent provided by the invention is used for emulsifying the biomass solvent and the raw pesticide to form a mixed system which can enable the raw pesticide to be stably dissolved or dispersed in the biomass solvent or water. The pesticide provided by the invention is green and environment-friendly, does not contain benzene solvents, methanol and the like which are harmful to the environment, is not harmful to the environment and human health, greatly improves the flash point of the product, and is convenient for processing, storing, transporting and transporting the product.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, all embodiments and preferred methods mentioned herein may be combined with each other to form a new technical solution, if not specifically stated; all the technical features mentioned herein, as well as preferred features, can be combined with each other to form new solutions; the components concerned or their preferred components can be combined with one another to form new solutions.

In the present invention, unless otherwise stated, the numerical range "a-b" represents a shorthand representation of any combination of real numbers between a and b, where a and b are both real numbers. For example, a numerical range of "1 to 10" means that all real numbers between "1 to 10" have been listed herein, and "1 to 10" is only a shorthand representation of the combination of these values.

The "ranges" disclosed herein may have one or more lower limits and one or more upper limits, respectively, in the form of lower limits and upper limits. Unless otherwise defined, technical and scientific terms used herein have the same meaning as is familiar to those skilled in the art. In addition, any methods or materials similar or equivalent to those described herein can also be used in the present invention.

According to one aspect of the present invention, there is provided an emulsifier for processing a pesticide formulation using a biomass solvent, the emulsifier comprising component a and component B;

the component A comprises one or more of alkylphenol polyoxyethylene, nonylphenol polyoxyethylene, fatty alcohol polyoxyethylene, castor oil polyoxyethylene, span, fatty alcohol ether phosphate potassium salt, lauryl phosphate potassium salt, calcium dodecyl benzene sulfonate and tween.

The component B comprises one or more of sodium octyl phenol polyoxyethylene ether maleate, rosin polyethylene glycol citrate, N-lauroyl sarcosine sodium and sodium di-sec-octyl maleate sulfonate of maleic rosin.

According to the invention, through a large number of experiments, the emulsifier suitable for processing the pesticide preparation by using the biomass solvent is screened out from various emulsifiers according to the characteristics of the biomass solvent. The emulsifier provided by the invention comprises a component A and a component B, at least one component is respectively selected from the component A and the component B, and the emulsifier obtained by combination is suitable for a biomass solvent, for example, alkylphenol polyoxyethylene ether and calcium dodecylbenzene sulfonate in the component A are selected, and N-lauroyl sodium sarcosinate and sodium di-sec-octyl maleate in the component B are selected and mixed to obtain the emulsifier; for example, tween in the component A is selected, and sodium maleated rosin octyl phenol polyoxyethylene ether diester carboxylate and sodium maleate in the component B are selected and mixed to obtain the emulsifier; for example, the fatty alcohol polyoxyethylene ether and the castor oil polyoxyethylene ether in the component A are selected, and the sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate in the component B is selected and mixed to obtain the emulsifier. It should be noted that the component A and the component B in the present application are not limited to the processing and using manner of the emulsifier, but are only used for classifying the components in the emulsifier for convenience of description.

The components in the emulsifier screened by the invention are not limited in the field of pesticides, for example, the sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate used in the invention is a special cleaning agent for gasoline, kerosene, diesel oil and the like; rosin polyethylene glycol citrate is used as a detergent, is used as a broad-spectrum crude oil dispersant in oil fields, and is also applied to the industrial fields of metal cleaning, cosmetics, textile printing and dyeing, photosensitive materials and the like; n-sodium lauroyl sarcosinate is a special emulsifier for the coating, and is used for stably dispersing the pigment in water, so that the pigment can be well combined and stabilized with the water with the surface tension reduced on an interface; the sodium di-sec-octylate maleate is a special additive for printing and dyeing, has strong solubilizing and dispersing capacities on dye, and has strong affinity on fabric and pigment. The invention finds that the components are used for emulsifying the biomass solvent and the raw pesticide, for example, emulsifiable solution or aqueous emulsion processed by the biomass solvent has good effect.

The emulsifier provided by the invention can be used for processing excellent emulsifiable oil or aqueous emulsion products by using the biomass solvent, greatly improves the wetting and spreading performance, the permeability and the viscosity performance of the biomass solvent pesticide preparation products, greatly improves the pesticide effect in field application, and can effectively realize the reduction, the quality improvement and the synergy of the pesticide preparation products. And the price of the benzene series solvent is equivalent to that of a biomass solvent such as methyl oleate at present, and the cost is not increased after the improvement. The application of the emulsifier provided by the invention can solve the harm of benzene series solvents and the like to the environment and human health from the source, meets the requirement of green development, and has obvious economic benefit, environmental benefit and social benefit.

The emulsifying effect of the emulsifier can be further improved by further optimizing the components in the component A and the component B:

in some preferred embodiments, component a comprises one or more of alkylphenol ethoxylates, nonylphenol ethoxylates, fatty alcohol ethoxylates, castor oil ethoxylates, and span.

The alkylphenol ethoxylate refers to TX series alkylphenol ethoxylate, is a polymer prepared from a mixture of nonylphenol and octylphenol and ethylene oxide, and the type of the TX series alkylphenol ethoxylate comprises but is not limited to TX-4, TX-5, TX-6, TX-7, TX-8, TX-9 or TX-10, and the like, and alkylphenol ethoxylate TX-4 is preferably used and is hereinafter referred to as TX-4. The nonylphenol polyoxyethylene ether is NP series nonylphenol polyoxyethylene ether prepared from nonylphenol and ethylene oxide, and the types of the NP series nonylphenol polyoxyethylene ether include but are not limited to NP-4, NP-10, NP-15, NP-18 or NP-40 and the like; nonylphenol polyoxyethylene ether NP-4, hereinafter referred to as NP-4, is preferably used. The fatty alcohol-polyoxyethylene ether is an ether formed by condensing polyethylene glycol and fatty alcohol, the types of the fatty alcohol-polyoxyethylene ether include, but are not limited to AEO-3, AEO-5, AEO-7 or AEO-9, and the like, and the fatty alcohol-polyoxyethylene ether AEO-3, hereinafter referred to as AEO-3, is preferably used. The castor oil polyoxyethylene ether includes but is not limited to EL-10, EL-20, EL-40, EL-80 or HEL-20, and preferably castor oil polyoxyethylene ether EL-10, hereinafter abbreviated as EL-10, is used. The name of span is sorbitan fatty acid ester, and the category of span includes but is not limited to S-20, S-40, S-60, S-80, S-65 or S-85; span S-20 (hereinafter referred to as S-20) or span S-40 (hereinafter referred to as S-40) is preferably used.

In some preferred embodiments, the following preferred choices of component A are given:

preferably, component A comprises TX-4 and EL-10; preferably, component A comprises NP-4 and EL-10; preferably, component A comprises TX-4 and AEO-3; preferably, component A comprises AEO-3 and S-20.

In some preferred embodiments, component B comprises at least two of sodium octylphenol polyoxyethylene ether maleate, rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate, and sodium di-sec-octyl maleate sulfonate.

In some preferred embodiments, the following preferred choices of component B are given:

preferably, the component B comprises sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate and sodium cis-butenedioic acid di-sec-octyl ester sulfonate; preferably, component B comprises rosin polyethylene glycol citrate and N-lauroyl sarcosine sodium; preferably, component B comprises rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate and sodium di-sec-octyl maleate sulfonate.

By preference of the combination of component A and component B, the following preferred emulsifier compositions are given:

in some preferred embodiments, the emulsifier comprises TX-4, EL-10, sodium octylphenol polyoxyethylene maleated ether diester carboxylate and sodium di-sec-octyl maleate sulfonate. Preferably, the emulsifier comprises the following components in parts by weight: TX-44-6 parts, such as but not limited to 4 parts, 4.5 parts, 5 parts, 5.5 parts or 6 parts; EL-101.5 ~ 2.5 parts, for example but not limited to, can be 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; 3.5-4.5 parts of sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate, such as but not limited to 3.5 parts, 3.8 parts, 4 parts, 4.2 parts or 4.5 parts; and 1.5-2.5 parts of di-sec-octyl maleate sodium sulfonate, such as but not limited to 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts. More preferably, the emulsifier comprises, in parts by weight: TX-45 parts, EL-102 parts, sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate 4 parts and sodium cis-butenedioic acid di-sec-octyl ester sulfonate 2 parts.

In some preferred embodiments, the emulsifier comprises TX-4, EL-10, rosin polyethylene glycol citrate, and sodium N-lauroyl sarcosinate. Preferably, the emulsifier comprises the following components in parts by weight: TX-44-6 parts, such as but not limited to 4 parts, 4.5 parts, 5 parts, 5.5 parts or 6 parts; EL-101.5 ~ 2.5 parts, for example but not limited to, can be 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; 5-7 parts of rosin polyethylene glycol citrate, such as but not limited to 5 parts, 5.5 parts, 6 parts, 6.5 parts or 7 parts; and 2.5 to 3.5 parts of N-lauroyl sodium sarcosinate, for example, but not limited to, 2.5 parts, 2.8 parts, 3 parts, 3.3 parts or 3.5 parts. More preferably, the emulsifier comprises, in parts by weight: TX-45 parts, EL-102 parts, rosin polyethylene glycol citrate 6 parts and N-lauroyl sarcosine sodium 3 parts.

In some preferred embodiments, the emulsifier comprises TX-4, EL-10, rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate, and sodium di-sec-octyl maleate. Preferably, the emulsifier comprises the following components in parts by weight: TX-44-6 parts, such as but not limited to 4 parts, 4.5 parts, 5 parts, 5.5 parts or 6 parts; EL-101.5 ~ 2.5 parts, for example but not limited to, can be 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; 3.5-4.5 parts of rosin polyethylene glycol citrate, such as but not limited to 3.5 parts, 3.7 parts, 4 parts, 4.2 parts or 4.5 parts; 2.5-3.5 parts of N-lauroyl sodium sarcosinate, such as but not limited to 2.5 parts, 2.8 parts, 3 parts, 3.3 parts or 3.5 parts; the amount of the sodium di-sec-octyl maleate sulfonate is 0.5 to 1.5 parts, and may be, for example, but not limited to, 0.5 part, 0.7 part, 1 part, 1.3 parts, or 1.5 parts. More preferably, the emulsifier comprises, in parts by weight: TX-45 parts, EL-102 parts, rosin polyethylene glycol citrate 4 parts, N-lauroyl sarcosine sodium 3 parts and sodium di-sec-octyl maleate sulfonate 1 part.

In some preferred embodiments, the emulsifier comprises NP-4, EL-10, sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate, and sodium di-sec-octyl maleate sulfonate. Preferably, the emulsifier comprises the following components in parts by weight: NP-45-7 parts, such as but not limited to 5 parts, 5.5 parts, 6 parts, 6.5 parts, or 7 parts; EL-102.5 ~ 3.5 parts, for example but not limited to, can be 2.5 parts, 2.8 parts, 3 parts, 3.3 parts or 3.5 parts; 4-6 parts of maleated rosin octylphenol polyoxyethylene ether diester sodium carboxylate, such as but not limited to 4 parts, 4.5 parts, 5 parts, 5.5 parts or 6 parts; and 1.5 to 2.5 parts of sodium di-sec-octyl maleate, such as but not limited to 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts. More preferably, the emulsifier comprises, in parts by weight: NP-46 parts, EL-103 parts, sodium maleated rosin octylphenol polyoxyethylene ether diester carboxylate 5 parts and sodium maleate 2 parts.

In some preferred embodiments, the emulsifier comprises NP-4, EL-10, rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate, and sodium di-sec-octyl maleate. Preferably, the emulsifier comprises the following components in parts by weight: NP-45-7 parts, such as but not limited to 5 parts, 5.5 parts, 6 parts, 6.5 parts, or 7 parts; EL-102.5 ~ 3.5 parts, for example but not limited to, can be 2.5 parts, 2.8 parts, 3 parts, 3.3 parts or 3.5 parts; 3-5 parts of rosin polyethylene glycol citrate, such as but not limited to 3 parts, 3.5 parts, 4 parts, 4.5 parts or 5 parts; 1.5-2.5 parts of N-lauroyl sarcosine sodium, such as but not limited to 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; and 1.5-2.5 parts of di-sec-octyl maleate sodium sulfonate, such as but not limited to 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; more preferably, the emulsifier comprises, in parts by weight: NP-46 parts, EL-103 parts, rosin polyethylene glycol citrate 4 parts, N-lauroyl sarcosine sodium 2 parts and sodium di-sec-octyl maleate sulfonate 2 parts.

In some preferred embodiments, the emulsifier comprises TX-4, AEO-3, rosin polyethylene glycol citrate, and sodium N-lauroyl sarcosinate. Preferably, the emulsifier comprises the following components in parts by weight: TX-42-4 parts, such as but not limited to 2 parts, 2.5 parts, 3 parts, 3.5 parts or 4 parts; AEO-33-5 parts, such as but not limited to 3 parts, 3.5 parts, 4 parts, 4.5 parts or 5 parts; 1.5-2.5 parts of rosin polyethylene glycol citrate, such as but not limited to 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; and 2.5 to 3.5 parts of N-lauroyl sarcosine sodium, for example, but not limited to, 2.5 parts, 2.8 parts, 3 parts, 3.3 parts or 3.5 parts. More preferably, the emulsifier comprises, in parts by weight: TX-43 parts, AEO-34 parts, rosin polyethylene glycol citrate 2 parts and N-lauroyl sarcosine sodium 3 parts.

In some preferred embodiments, the emulsifier comprises TX-4, AEO-3, rosin polyethylene glycol citrate, sodium N-lauroyl sarcosinate, and sodium di-sec-octyl maleate sulfonate. Preferably, the emulsifier comprises the following components in parts by weight: TX-42-4 parts, such as but not limited to 2 parts, 2.5 parts, 3 parts, 3.5 parts or 4 parts; AEO-33-5 parts, such as but not limited to 3 parts, 3.5 parts, 4 parts, 4.5 parts or 5 parts; 0.5-1.5 parts of rosin polyethylene glycol citrate, such as but not limited to 0.5 part, 0.8 part, 1 part, 1.2 parts or 1.5 parts; 2.5-3.5 parts of N-lauroyl sodium sarcosinate, such as but not limited to 2.5 parts, 2.8 parts, 3 parts, 3.3 parts or 3.5 parts; and 0.5 to 1.5 parts of sodium di-sec-octyl maleate, such as but not limited to 0.5 part, 0.8 part, 1 part, 1.2 parts or 1.5 parts. More preferably, the emulsifier comprises, in parts by weight: TX-43 parts, AEO-34 parts, rosin polyethylene glycol citrate 1 part, N-lauroyl sodium sarcosinate 3 parts and sodium di-sec-octyl maleate sulfonate 1 part.

In some preferred embodiments, the emulsifier comprises AEO-3, S-20, rosin polyethylene glycol citrate, and sodium N-lauroyl sarcosinate. Preferably, the emulsifier comprises the following components in parts by weight: AEO-35-7 parts, such as but not limited to 5 parts, 5.5 parts, 6 parts, 6.5 parts or 7 parts; s-201.5-2.5 parts, such as but not limited to 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; 1.5-2.5 parts of rosin polyethylene glycol citrate, such as but not limited to 1.5 parts, 1.8 parts, 2 parts, 2.2 parts or 2.5 parts; the amount of N-lauroyl sarcosine sodium is 0.5 to 1.5 parts, but is not limited to, for example, 0.5 part, 0.8 part, 1 part, 1.2 parts or 1.5 parts. More preferably, the emulsifier comprises, in parts by weight: AEO-36 parts, S-202 parts, rosin polyethylene glycol citrate 2 parts and N-lauroyl sarcosine sodium 1 part.

According to another aspect of the present invention, there is also provided an adjuvant for processing a pesticide formulation using a biomass solvent, the adjuvant comprising the above-mentioned emulsifier. The auxiliary agent can efficiently emulsify the biomass solvent and the raw pesticide, greatly improves the wetting and spreading performance, the permeability and the viscous performance of a biomass solvent pesticide preparation product, greatly improves the pesticide effect in field application, has small pollution, and can effectively realize the technical effects of reducing, improving the quality and increasing the efficiency of the pesticide product. It will be appreciated that the adjuvant may also include adjuvants conventional in the art, including but not limited to one or more of wet-spreading agents, dispersing agents, anti-freezing agents, preservatives, anti-foaming agents, stabilizers and synergists. Optionally, the emulsifier can be combined with one of a wet spreader, a dispersant, an antifreeze, a preservative, a defoamer, a stabilizer and a synergist to form an auxiliary agent for processing the biomass solvent; it is also possible to combine emulsifiers with a plurality of wetting and spreading agents, dispersants, anti-freeze agents, preservatives, antifoams, stabilizers and synergists. It can be understood that other auxiliary materials in the auxiliary agent can be mixed with the emulsifier to form a mixed system and then used for processing the biomass solvent pesticide preparation; alternatively, each component in the adjuvant can be independently present and used separately according to the processing sequence when processing the biomass solvent pesticide preparation.

In some preferred embodiments, the other conventional adjuvants are preferably one or more of a penetrant, an anti-freeze agent, a preservative, and an anti-foaming agent. Optionally, the adjuvant comprises an emulsifier and an osmotic agent; optionally, the adjuvant comprises an emulsifier and a defoamer; optionally, the adjuvants include emulsifiers, antifreeze agents, and defoamers; optionally, the adjuvants include emulsifiers, wet spreaders and preservatives.

The penetrant can improve the expansibility, the adhesive force and the suspension rate of the pesticide and effectively reduce the spreading dead angle of the sprayed pesticide liquid. The penetrating agent comprises but is not limited to one or more of alkylphenol ethoxylates, ethoxy trisiloxane, organic silicon, azone, fatty alcohol-polyoxyethylene ether and sulfonated dioctyl sodium succinate; in some embodiments, the osmotic agent optionally includes a silicone; optionally fatty alcohol polyoxyethylene ether; optionally including ethoxytrisiloxane, azone, and fatty alcohol polyoxyethylene ether.

The antifreeze agent can improve the cold-proof and frost-proof performance of the pesticide. The antifreeze agent comprises one or more of polyethylene glycol, propylene glycol, glycerol, sorbitol, n-butanol and urea; in some embodiments, the antifreeze agent optionally comprises ethylene glycol; optionally including glycerol; optionally propylene glycol and glycerol; optionally including sorbitol, n-butanol and urea.

The preservative can prolong the storage time of the pesticide. The preservative comprises one or more of benzoic acid, sodium benzoate, BHT (2, 6-di-tert-butyl-4-methylphenol), BHA (butyl hydroxy anisole) and TBHQ (tert-butyl hydroquinone); in some embodiments, the preservative optionally comprises benzoic acid; optionally, BHT; optionally including benzoic acid and sodium benzoate.

The defoaming agent is used for reducing foams in a pesticide system and improving the quality of pesticides. The antifoaming agent includes, but is not limited to, glycerol polyoxypropylene ether, preferably GP330 antifoaming agent, and/or silicone based antifoaming agent, including, but not limited to, FAG470 antifoaming agent, 710D antifoaming agent, 6330 antifoaming agent, and the like. In some embodiments, the antifoaming agent optionally comprises GP330 antifoaming agent; optionally 6330 antifoam; optionally including FAG470 antifoam and GP330 antifoam.

The composition of the adjuvant is adjusted according to the system of using the biomass solvent for processing the pesticide preparation. When it is desired to use the biomass solvent for processing into an emulsifiable concentrate, the adjuvants preferably include emulsifiers, penetrants, anti-freeze agents, and preservatives. The emulsifiable solution is a homogeneous transparent oily liquid prepared by dissolving raw materials (crude oil or crude powder) in a solvent according to a certain proportion and adding a certain amount of auxiliary agents such as an emulsifier. Generally, the emulsion can be made into a stable emulsion after being diluted with a large amount of water. In some preferred embodiments, the auxiliary comprises, in parts by weight: 6-20 parts of emulsifier, such as but not limited to 6 parts, 7 parts, 8 parts, 10 parts, 13 parts, 15 parts, 18 parts or 20 parts; 0.5-3 parts of penetrating agent, such as but not limited to 0.5 part, 1 part, 1.5 parts, 2 parts, 2.5 parts or 3 parts; 0.5-3 parts of antifreeze agent, such as but not limited to 0.5 parts, 1 part, 1.5 parts, 2 parts, 2.5 parts or 3 parts; and 0.3 to 1.2 parts of preservative, for example, but not limited to, 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1 part, 1.1 part or 1.2 parts. Preferably, the auxiliary agent comprises the following components in parts by weight: 7-15 parts of emulsifier, 1-2 parts of penetrant, 0.8-2 parts of antifreeze and 0.3-0.8 part of preservative. More preferably, the auxiliary agent comprises the following components in parts by weight: 8-13 parts of emulsifier, 1.2-1.8 parts of penetrant, 1-1.5 parts of antifreeze and 0.3-0.5 part of preservative.

When it is desired to use the biomass solvent for processing into an aqueous emulsion, the adjuvants preferably include emulsifiers, penetrants, anti-freeze agents, preservatives, and anti-foaming agents. An aqueous emulsion is a preparation in which a liquid pesticide prepared by mixing a liquid or a solvent is dispersed in water as small droplets. In some preferred embodiments, the auxiliary comprises, in parts by weight: 5-15 parts of emulsifier, such as but not limited to 5 parts, 6 parts, 7 parts, 9 parts, 10 parts, 12 parts, 13 parts or 15 parts; 1-3 parts of penetrant, such as but not limited to 1 part, 1.5 parts, 2 parts, 2.5 parts or 3 parts; 3-5 parts of an antifreeze agent, such as but not limited to 3 parts, 3.5 parts, 4 parts or 5 parts; 0.3 to 1.2 parts of preservative, for example, but not limited to, 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1 part, 1.1 part or 1.2 parts; and 0.3 to 0.8 parts of defoaming agent, for example but not limited to, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts or 0.8 parts. Preferably, the auxiliary agent comprises the following components in parts by weight: 6-13 parts of emulsifier, 1-2 parts of penetrant, 3.5-5 parts of antifreeze, 0.3-0.8 part of preservative and 0.3-0.6 part of defoamer; more preferably, the auxiliary agent comprises the following components in parts by weight: 7-12 parts of emulsifier, 1.2-1.8 parts of penetrant, 3.8-4.5 parts of antifreeze, 0.3-0.5 part of preservative and 0.3-0.6 part of defoaming agent.

According to another aspect of the present invention, there is also provided a pesticidal formulation comprising the following (a) to (c); (a) the above-mentioned emulsifier or the above-mentioned auxiliary; (b) raw medicines; (c) biomass solvent and/or water. The raw pesticide in the pesticide preparation provided by the invention can be stably dissolved or dispersed in a biomass solvent and/or water to form a stable mixed system. The pesticide preparation provided by the invention is green and environment-friendly, does not contain benzene solvents, methanol and the like which are harmful to the environment, is not harmful to the environment and human health, greatly improves the flash point of the product, and is convenient for processing, storing, transporting and transporting the product.

In some preferred embodiments, the pesticide comprises an emulsifiable concentrate or an aqueous emulsion. Wherein the biomass solvent comprises but is not limited to at least one of methyl oleate, fatty acid methyl ester, rosin-based vegetable oil, epoxidized soybean oil and biodiesel, and the biodiesel refers to an environment-friendly renewable biomass solvent prepared by transesterification reaction of vegetable oil and animal fat. In some embodiments, the biomass solvent optionally comprises methyl oleate and fatty acid methyl esters; optionally biodiesel; optionally a rosin-based vegetable oil; optionally epoxidized soybean oil. The biomass solvent preferably comprises methyl oleate. In some alternative embodiments, the pesticide further comprises water, for example when preparing an aqueous emulsion, it may be desirable to include water in the components of the pesticide.

In some preferred embodiments, the pesticide further comprises a technical material, which is the pesticide before processing. The technical material comprises at least one of abamectin, lambda-cyhalothrin, chlorpyrifos, carbosulfan, imidacloprid, fenvalerate, malathion, pyridaben, acetamiprid, emamectin benzoate, spinosad, matrine, mineral oil, difenoconazole, propiconazole, pyraclostrobin, myclobutanil, flusilazole, tebuconazole, pendimethalin, quizalofop-p-ethyl and clethodim. Alternatively, the above raw drugs may be used alone or in combination, for example, emamectin benzoate and Japanese premna, for example, fenvalerate and malathion; for example, pyridaben and acetamiprid are used together.

In some preferred embodiments, the following raw materials are more suitable after the emulsifier or the auxiliary agent provided by the invention is used for emulsifying the biomass solvent: at least one of abamectin, lambda-cyhalothrin, carbosulfan, fenvalerate, malathion, emamectin benzoate, spinosad, mineral oil, difenoconazole, propiconazole, myclobutanil, tebuconazole and pendimethalin.