CN103238625A - Glyphosate isopropamide salt water agent environment-friendly synergist and preparation method thereof - Google Patents
Glyphosate isopropamide salt water agent environment-friendly synergist and preparation method thereof Download PDFInfo
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- CN103238625A CN103238625A CN2012100369604A CN201210036960A CN103238625A CN 103238625 A CN103238625 A CN 103238625A CN 2012100369604 A CN2012100369604 A CN 2012100369604A CN 201210036960 A CN201210036960 A CN 201210036960A CN 103238625 A CN103238625 A CN 103238625A
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Abstract
The invention belongs to a pesticide glyphosate synergist and a preparation method thereof, and particularly relates to a herbicide glyphosate isopropamide salt water agent environment-friendly synergist and a preparation method thereof. The synergist disclosed by the invention comprises the following components in percentage by weight: 20-40% of alkyl glycoside, 40-20% of cationic alkyl glycoside, 12-18% of alkyl glycine betaine, 0.5-1.5% of organic silicon, 2.0-5.0% of ammonium sulfate and the balance of water. The preparation method comprises the steps of uniformly stirring the components in equipment with a stirring function at the temperature of 20-80 DEG C. The glyphosate isopropamide salt water agent environment-friendly synergist is high in quality, efficient and environment-friendly.
Description
Technical field
The invention belongs to agricultural chemicals glyphosate synergist and preparation method thereof, be specifically related to green builder of herbicide glyphosate isopropyl amine salt aqua and preparation method thereof.
Background technology
Glyphosate (full name N-(phosphonomethyl) glycine) was the weed killer herbicide of volume of production and marketing maximum in the world today by the exploitation of U.S. Monsanto company in 1971.Be a kind of efficient, low toxicity, non-selective, interior suction conduction, foliage-spray post-emergence herbicide, have weeding broad spectrum activity well.According to interrelated data. the maximum weeds of harm have 78 kinds in the world, after glyphosate is handled. it is found that it can effectively control wherein 76 kinds, as seen the broad spectrum activity of its weeding.Glyphosate is a kind of organic acid, because of polarity strong, be crystal type, exist with amphion, intermolecular strong hydrogen bond makes its lattice very stable, therefore solvability very low (25 ℃ time be 1.2%) in water, also be insoluble to other solvent, and its salt (isopropyl amine salt and sodium salt) solvability is more much bigger than glyphosate, be 500 grams per liters, and do not lose the activity of weeding of its parent compound again, and especially the highest to phytotoxicity with isopropyl amine salt in the glyphosate salt, so the main formulation of glyphosate is the isopropyl amine salt aqua.
Glyphosate and salt thereof are hydrophilic, has strong polarity, there is not compatibility with lipophilic plant leaf surface, generally need be under the effect of synergist, be implemented on the cauline leaf face by foliage-spray sprawl, three processes of conduction in the infiltration of cauline leaf epidermis and absorption and the plant corpus, can play its due biologically active, the performance drug effect.So the glyphosate isopropyl amine salt aqua is made up of active component glyphosate isopropyl amine salt, auxiliary agent and water basically.
Gyphosate solution herbicidal effect quality depends on to a great extent whether the auxiliary agent of selecting for use is suitable, whether synergistic effect is good.Its quality characteristic of good auxiliary agent requires: can reduce aqua surface tension and contact angle, increase soup to blade face affinity ability, and can also strengthen soup to the infiltration capacity in the plant corpus; Have certain viscosity, can increase the adhesive capacity of soup on leaf surface, prolong soup duration on the blade face, reduce the loss of soup, improve the soup ability to resist splash erosion; Be conducive to plant to absorption and the infiltration of soup, give full play to activity of weeding, economize on dose, reduce cost; Should have low foam, use so that the can of producing and user convert water, also be conducive to the absorption of plant after the dispenser; Can help improve the physicochemical property of glyphosate formulation, improve the activity of weeding of glyphosate simultaneously.
Along with the foundation of the reinforcement of people's environmental consciousness and national environmental protection law, rules, sound and perfect, the glyphosate auxiliary agent has been proposed requirements at the higher level, not only require high-quality, efficient, and require environmental protection.The kind of the green synergist of at present domestic and international glyphosate seldom, for example: it is famous U.S. Monsanto Company (Monsanto) exploitation that 41% farming reaches (Roundup) gyphosate solution, and this formulation contains 41% glyphosate isopropyl amine salt and the builder of 10-15%.Its adjuvant used trade names are Mon0818, and fatal shortcoming is that it belongs to fat amine compound, aquatic fish and mammal are had higher toxicity, and be difficult to biological degradation, are therefore making great efforts to seek to substitute their New-type adjuvant in the world.The present domestic multiple gyphosate solution synergist kind that has, the surfactant that uses in the prescription has varied, contain aliphatic amine polyoxyethylene ether, alkyl phenol, a biphenyl mostly in various degree, equally aquatic fish and mammal there is higher toxicity, be difficult to biological degradation, environment is caused potential hazard.
Domestic patent 200310106508.1 discloses a kind of glyphosate isopropyl amine salt aqua builder, and it contains fatty amine and amidogen ether, does not meet environment protection requirement.
Domestic patent 200810217485.4 discloses a kind of assistant composition for weed killer herbicide and herbicidal composition, it contains alkyl glycoside, CAPG, organosilicon, do not contain alkyl betaine and ammonium sulfate, the auxiliary agent surface tension is higher, viscosity is lower, emulsifying ability, penetration, adhesion strength do not include very strong, and synergistic effect remains to be strengthened.
Alkyl glycoside (AlkylPolyglycoside APG for short) is the more comprehensive new non-ionic surfactants of a kind of performance because nontoxic, harmless, biodegradable, by universally acknowledged be green surfactant.Studies show that alkyl glycoside has remarkable result aspect the glyphosate pesticide synergistic, surfactants such as complete alternative alkyl phenol, fatty amine and a biphenyl aspect environment friendly.And research has become the emphasis of people's exploitation based on the glyphosate isopropyl amine salt aqua green of alkyl glycoside, efficient formulation of synergist.
Summary of the invention
The purpose of this invention is to provide green synergist of a kind of glyphosate isopropyl amine salt aqua and preparation method thereof, both high-quality and efficient, environmental protection again.
The green synergist of a kind of glyphosate isopropyl amine salt aqua, the each component percentage by weight is: alkyl glycoside 20-40%, CAPG 40-20%, alkyl betaine 12-18%, organosilicon 0.5-1.5%, ammonium sulfate 2.0-5.0%, surplus is water.
The preparation method of the green synergist of a kind of glyphosate isopropyl amine salt aqua: with the equipment that above-mentioned each component places band to stir, stirring under 20-80 ℃ gets final product.
The present invention has the following advantages: 1, with above each component according to the composite builder that forms of optimal proportion, when being applied to gyphosate solution, can make gyphosate solution have lower surface tension and well affinity, infiltration, wetting, stick together, emulsification, dispersion force, and having regulatory function, synergistic effect is remarkable; 2, the present invention is 8%-12% for the ratio of 41% glyphosate isopropyl amine salt, under equal preventive effect condition, reduce 15%-20% than existing auxiliary dosage (10%-15%), after being mixed and made into aqua with glyphosate isopropyl amine salt and water, concentration according to the rules is sprayed onto on the weeds, and herbicidal effect also can shift to an earlier date 1-2 days; 3, the present invention can make gyphosate solution really realize purpose heat-resisting, cold-resistant, biodegradable, high-quality and efficient, environmental protection.
Embodiment:
Use universally acknowledged green surfactant, adopt orthogonal test method, implement composite, preferred through performance test, efficiency test, contrast, finally obtain a kind of green synergist of being formed by surfactant alkyl glycoside, CAPG, alkyl betaine, organosilicon and ammonium sulfate and water.
Each component percentage by weight of the present invention is: alkyl glycoside 20-40%, CAPG 40-20%, and alkyl betaine 12-18%, organosilicon 0.5-1.5%, ammonium sulfate 2.0-5.0%, surplus is water.
Alkyl glycoside comprises alkyl monoglycosides and APG, and carbon chain lengths is 8-10, can be the product that direct method (one-step method) is produced, and can also be the product that indirect method (changeing glucosides method or two-step method) is produced.Alkyl glycoside is the most rising green surfactant of universally acknowledged 21st century, fully biodegradable, have the characteristic of common nonionic and anion surfactant concurrently, has high surface, can reduce the aqua surface tension, improve Stickiness, improve the weeds kill rate, reach the significant purpose of herbicidal effect.It is the best green builder of present gyphosate solution.
CAPG can be the kation alkyl monoglycosides, can also be kation alkyl polysaccharide glycosides, and carbon chain lengths is 8-10, and being derived by the alkyl glycoside cationization obtains, and can be cationic tertiary amine salt, can also be cation quaternary ammonium salt.According to patent USP6881710 explanation, also belong to green surfactant, belong to low bubble cationic saccharide surfactant, compare with other cationic surfactant, because the existence of sugar unit can improve the water-soluble of gyphosate solution, avoid the soup crystallization, prevent from depositing again, be conducive to produce high concentration aqua product, remarkable to the gyphosate solution synergistic effect.
Alkyl betaine belongs to amphoteric surfactant, in acid medium, be cationic, in alkaline medium, be anionic property, in quite wide PH scope, the surface of good activity is arranged, with yin, yang, good, the anti-hard water of non-ionic surface active agent compatibility, have good penetration power and lower surface tension with the composite gyphosate solution that makes of alkyl glycoside, can also play heat-resisting, resist cold, enhance the transparency, the effect of stabilized product quality.
Organosilicon is silicone surfactant, is water-soluble products, can play the effect of further reduction surface tension, increase penetration, can improve ability to resist splash erosion, also can reduce foam, is conducive to production, can and the use of gyphosate solution.
Ammonium sulfate is a kind of inorganic assistant, can increase the gyphosate solution drug effect, improve weeds lethality, and can play instant effect, effective effect, also can promote metabolism, the g and D of crop simultaneously.
With the equipment that above-mentioned each component places band to stir, stirring under 20-80 ℃ gets final product.
Example 1:
Weigh C8-10 alkyl glycoside 300kg respectively, C8-10 CAPG 300kg, empgen BB 180kg, organic silicon surfactant 15kg, ammonium sulfate 50kg, water 155kg.
With the equipment that above-mentioned each component places band to stir, stirring under 20-40 ℃ and namely getting product of the present invention is the green synergist of glyphosate isopropyl amine salt aqua.Product of the present invention with namely become the glyphosate isopropyl amine salt aqua after glyphosate isopropyl amine salt and water mix, the 2-3% that product usage amount of the present invention is the glyphosate isopropyl amine salt solid content (surplus is water, down with).Glyphosate isopropyl amine salt aqua such as preparation 30% content just gets final product with 6-9%; Prepare the glyphosate isopropyl amine salt aqua of 41% content, just get final product with 8-12%.
Example 2:
Weigh C8-10 alkyl glycoside 320kg respectively, C8-10 CAPG 320kg, empgen BB 160kg, organic silicon surfactant 10kg, ammonium sulfate 25kg, water 165kg.
With the equipment that above-mentioned each component places band to stir, stirring under 30-50 ℃ namely gets product of the present invention.Product of the present invention with namely become the glyphosate isopropyl amine salt aqua after glyphosate isopropyl amine salt and water mix, product usage amount of the present invention is the 2-3% of glyphosate isopropyl amine salt solid content.
Example 3:
Weigh C8-10 alkyl glycoside 260kg respectively, C8-10 CAPG 380kg, cetyl betain 140kg, organic silicon surfactant 6kg, ammonium sulfate 35kg, water 178kg.
With the equipment that above-mentioned each component places band to stir, stirring under 40-60 ℃ namely gets product of the present invention.Product of the present invention with namely become the glyphosate isopropyl amine salt aqua after glyphosate isopropyl amine salt and water mix, product usage amount of the present invention is the 2-3% of glyphosate isopropyl amine salt solid content.
Example 4:
Weigh C8-10 alkyl glycoside 380kg respectively, C8-10 CAPG 260kg, cetyl betain 150kg, organic silicon surfactant 8kg, ammonium sulfate 40kg, water 162kg.
With the equipment that above-mentioned each component places band to stir, stirring under 60-80 ℃ namely gets product of the present invention.Product of the present invention with namely become the glyphosate isopropyl amine salt aqua after glyphosate isopropyl amine salt and water mix, product usage amount of the present invention is the 2%-3% of glyphosate isopropyl amine salt solid content.
Example 5:
Weigh C8-10 alkyl glycoside 250kg respectively, C8-10 CAPG 400kg, myristyl betain 140kg, organic silicon surfactant 10kg, ammonium sulfate 30kg, water 170kg.
With the equipment that above-mentioned each component places band to stir, stirring under 30-60 ℃ namely gets product of the present invention.Product of the present invention with namely become the glyphosate isopropyl amine salt aqua after glyphosate isopropyl amine salt and water mix, product usage amount of the present invention is the 2-3% of glyphosate isopropyl amine salt solid content.
Example 6:
Weigh C8-10 alkyl glycoside 400kg respectively, C8-10 CAPG 200kg, myristyl betain 160kg, organic silicon surfactant 15kg, ammonium sulfate 50kg, water 175kg.
With the equipment that above-mentioned each component places band to stir, stirring under 40-70 ℃ namely gets product of the present invention.Product of the present invention with namely become the glyphosate isopropyl amine salt aqua after glyphosate isopropyl amine salt and water mix, product usage amount of the present invention is the 2-3% of glyphosate isopropyl amine salt solid content.
Claims (6)
1. the green synergist of a glyphosate isopropyl amine salt aqua, it is characterized in that: the each component percentage by weight is: alkyl glycoside 20-40%, CAPG 40-20%, alkyl betaine 12-18%, organosilicon 0.5-1.5%, ammonium sulfate 2.0-5.0%, surplus is water.
2. the green synergist of glyphosate isopropyl amine salt aqua according to claim 1, it is characterized in that: described alkyl glycoside is alkyl monoglycosides or APG, carbon chain lengths is 8-10, is the product that direct method is produced, or the product produced of indirect method.
3. the green synergist of glyphosate isopropyl amine salt aqua according to claim 1, it is characterized in that: described CAPG is the kation alkyl monoglycosides, or kation alkyl polysaccharide glycosides, carbon chain lengths is 8-10, being derived by the alkyl glycoside cationization obtains, and is cation quaternary ammonium salt or tertiary ammonium salt.
4. the green synergist of glyphosate isopropyl amine salt aqua according to claim 1, it is characterized in that: described betain is the C12-16 alkyl betaine.
5. the preparation method of the green synergist of a glyphosate isopropyl amine salt aqua, it is characterized in that: with the equipment that above-mentioned each component places band to stir, stirring under 20-80 ℃ to obtain the green synergist that the glyphosate isopropyl amine salt aqua is used.
6. the green synergist of glyphosate isopropyl amine salt aqua according to claim 5, it is characterized in that: its synergist solid content is 40%-45%, the ratio that is used for the glyphosate isopropyl amine salt aqua is the 2%-3% of glyphosate isopropyl amine salt solid content.
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Cited By (10)
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CN103583516A (en) * | 2013-11-29 | 2014-02-19 | 苏州佳辉化工有限公司 | Special synergistic auxiliary agent for glyphosate isopropylamine aqua |
CN106212453A (en) * | 2016-07-05 | 2016-12-14 | 南京科翼新材料有限公司 | A kind of glufosinate-ammoniumaqua aqua builder containing trimethylamino acid |
CN107439543A (en) * | 2017-08-14 | 2017-12-08 | 南京拓际生物科技有限公司 | Broad-spectrum pesticide aqua special synergistic agent and preparation method thereof |
CN107568216A (en) * | 2017-08-02 | 2018-01-12 | 湖北泰盛化工有限公司 | A kind of glyphosate isopropylamine salt water solution auxiliary agent |
CN108617686A (en) * | 2018-06-05 | 2018-10-09 | 四川利尔作物科学有限公司 | A kind of low temperature resistant glufosinate-ammonium-gyphosate solution |
CN108684704A (en) * | 2018-07-09 | 2018-10-23 | 南开大学 | A kind of ammonium glyphosate builder composition and its application |
CN108835123A (en) * | 2018-08-23 | 2018-11-20 | 深圳银鲲鹏实业有限公司 | A kind of glyphosate isopropyl amine salt preparation and its preparation method and application |
CN110583688A (en) * | 2019-09-30 | 2019-12-20 | 广西拜科生物科技有限公司 | Synergistic pesticide containing glyphosate |
CN111109252A (en) * | 2020-01-16 | 2020-05-08 | 广东省科学院产业技术育成中心 | Pesticide adjuvant and preparation method thereof |
CN114680130A (en) * | 2020-12-25 | 2022-07-01 | 南通泰禾化工股份有限公司 | Glyphosate isopropylamine soluble agent and preparation method thereof |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103583516A (en) * | 2013-11-29 | 2014-02-19 | 苏州佳辉化工有限公司 | Special synergistic auxiliary agent for glyphosate isopropylamine aqua |
CN106212453A (en) * | 2016-07-05 | 2016-12-14 | 南京科翼新材料有限公司 | A kind of glufosinate-ammoniumaqua aqua builder containing trimethylamino acid |
CN106212453B (en) * | 2016-07-05 | 2019-09-20 | 南京科翼新材料有限公司 | A kind of glufosinate-ammoniumaqua aqua builder of the acid containing trimethylamino |
CN107568216A (en) * | 2017-08-02 | 2018-01-12 | 湖北泰盛化工有限公司 | A kind of glyphosate isopropylamine salt water solution auxiliary agent |
CN107439543A (en) * | 2017-08-14 | 2017-12-08 | 南京拓际生物科技有限公司 | Broad-spectrum pesticide aqua special synergistic agent and preparation method thereof |
CN108617686A (en) * | 2018-06-05 | 2018-10-09 | 四川利尔作物科学有限公司 | A kind of low temperature resistant glufosinate-ammonium-gyphosate solution |
CN108684704A (en) * | 2018-07-09 | 2018-10-23 | 南开大学 | A kind of ammonium glyphosate builder composition and its application |
CN108835123A (en) * | 2018-08-23 | 2018-11-20 | 深圳银鲲鹏实业有限公司 | A kind of glyphosate isopropyl amine salt preparation and its preparation method and application |
CN110583688A (en) * | 2019-09-30 | 2019-12-20 | 广西拜科生物科技有限公司 | Synergistic pesticide containing glyphosate |
CN111109252A (en) * | 2020-01-16 | 2020-05-08 | 广东省科学院产业技术育成中心 | Pesticide adjuvant and preparation method thereof |
CN114680130A (en) * | 2020-12-25 | 2022-07-01 | 南通泰禾化工股份有限公司 | Glyphosate isopropylamine soluble agent and preparation method thereof |
CN114680130B (en) * | 2020-12-25 | 2023-12-22 | 南通泰禾化工股份有限公司 | Glyphosate isopropylamine salt soluble solution and preparation method thereof |
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