CN105052993A - Suspension pesticide containing herbicide component and preparation method of suspension pesticide - Google Patents
Suspension pesticide containing herbicide component and preparation method of suspension pesticide Download PDFInfo
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- CN105052993A CN105052993A CN201510570875.XA CN201510570875A CN105052993A CN 105052993 A CN105052993 A CN 105052993A CN 201510570875 A CN201510570875 A CN 201510570875A CN 105052993 A CN105052993 A CN 105052993A
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Abstract
The invention provides a suspension pesticide containing a herbicide component and a preparation method of the suspension pesticide. The suspension pesticide comprises the following components: 10-30% of fipronil, 10-20% of glyphosate, 2-5% of dicamba, 5-20% of vegetable oil synergist, 5-15% of an emulgator, 0.1-1.0% of a thickening thixotropic agent, and 5%-50% of deionized water. According to the suspension pesticide, insects are killed and weeds are controlled through once application of the suspension pesticide, and therefore, the purposes of cost conservation and synergism are achieved.
Description
Technical field
The present invention relates to formulations of pesticide manufacture field, be specifically related to the suspension agent composition that a kind of agricultural chemical insecticide and one or more weed killer herbicide and synergist are composite.
Background technology
Ethiprole: English general fipronil by name; chemical name (RS)-5-amino-1-(2; the chloro-a of 6-bis-; a; a-trifluoro-p-tolyl)-4-trifluoromethyl sulfinyl pyrazole-3-nitrile, molecular formula: C12H4Cl2F6N4OS, molecular weight: No. 437.2CAS: 120068-37-3 sterling is white solid; fusing point 200 ~ 201 DEG C, density 1.477 ~ 1.626(20 DEG C).Vapour pressure 3.7 × 10-7pa(20 DEG C); Distribution coefficient (25 DEG C) logP=4.0.Solvability (20 DEG C, mg/L) 1.9(distilled water in water), 1.9(PH=5), 2.4(PH=9); Solvability (20 DEG C, g/L) in other solvent: acetone 545.9, carrene 22.3, toluene 3.0, hexane <0.028.PH=5,7 water in stable, be slowly hydrolyzed when PH=9, DT50 is about 28 days, slowly degrades under solar irradiation, but rapid decomposable through illumination in aqueous.Ethiprole is GABA-chloride channel inhibitor, and with existing insecticide without cross resistance, insect that is that produced resistance to insecticides such as organic phosphor, organochlorine, carbamate, pyrethroids or sensitivity all has good control efficiency.Suitable crop has paddy rice, corn, cotton, banana, beet, potato, soybean, peanut etc., under recommended dose to crop without poisoning.
Glyphosate: glyphosate is the weed killer herbicide developed by About Monsanto Chemicals.Also known as: glyphosate, agriculture reach (Roundup), careless dry phosphine, the sweet acid of phosphine.Sterling is non-volatile white solid, and proportion is 0.5, greatly about about 230 DEG C fusings, and with decomposing.Solvability when 25 DEG C in water is 1.2%, is insoluble to common organic solvents, and its isopropyl amine salt is dissolved in water completely.Glyphosate is inner sucting conduction type wide spectrum steriland herbicide.Enolpyruvyl shikimene phosphate synthase in main suppression plant corpus, thus suppress shikimene to the conversion of phenyl alanine, tyrosine and tryptophan, protein is synthesized and is interfered, cause Plant death.Current glyphosate is the maximum weed killer herbicide of global usage amount, is mainly used on genetically engineered soybean and corn.But after use for many years, the weeds in some areas also create resistance to glyphosate gradually, the herbicidal effect of glyphosate is declined to some extent.
Dicamba: the former medicine of the chloro-O-Anisic Acid of chemical name 3,6-bis-is pale yellow crystals solid.Sterling is colorless crystalline solid.Solvability at 25 DEG C: 6.5 grams per liters in water, 810 grams per liters in acetone, 261 grams per liters in carrene, 922 grams per liters in ethanol, 130 grams per liters in toluene, 78 grams per liters in dimethylbenzene.Dicamba belongs to benzoic acid system weed killer herbicide, has Uptake and translocation effect, has remarkable preventive effect to annual and perennial broadleaf weed.Dicamba is used for spraying after seedling, and medicament very soon by the leaf of weeds, stem, root absorption, can be conducted by phloem up and down, focuses mostly at meristematic tissue and the vigorous position of metabolic activity, hinders the normal activity of plant hormone, thus make it dead.The metabolic breakdown that carries out that can be very fast after gramineous plants absorption medicament makes it to lose efficacy, therefore the pesticide resistance that performance is stronger.Safer to gramineous crops such as wheat, corn, millet, paddy rice, dicamba disappears in soil after microorganism is comparatively fast decomposed, and both there will be lopsided curling symptom with latter general 24 hours broad leaved weeds, and 15-20 days dead.After composite with glyphosate, greatly can improve the preventive effect of glyphosate Glyphosate-Resistant malignant weed.
Summary of the invention
Therefore, the invention provides the suspension agent composition of a kind of insecticide and one or both mixture of herbicides.
Technical scheme of the present invention is, 10 ~ 30% ethiproles, 10 ~ 20% glyphosates, 2 ~ 5% dicambas, 5% ~ 15% vegetable oil adjuvants, emulsifier 5% ~ 15%, deionized water 5% ~ 50%.
Further, according to actual needs, the bactericide of minute quantity may also be comprised in this aqueous emulsion product.
According to suspension agent composition of the present invention, the emulsifier that describes be the mixture of polyacrylic combed macromolecule emulsifier and gemini type amphoteric surfactant.
According to suspension agent composition of the present invention, vegetable oil adjuvants is rapeseed oil, peanut oil, soybean oil, esterification rapeseed oil, palm oil, esterification palm oil, and pine nut base vegetable oil is more preferably pine nut base vegetable oil.
Present invention also offers the processing technology of suspension agent composition, this technique is carried out as follows:
In the former medicine of ethiprole, add polyacrylic combed macromolecule emulsifier, aluminium-magnesium silicate and appropriate deionized water, be processed into content 30 ~ 60% insecticide suspending agent;
In glyphosate and the former medicine of dicamba, add appropriate water, then drip isopropylamine solution, be made into content 20 ~ 40% the weed killer herbicide aqueous solution;
Be low to moderate under moderate-speed mixer condition, the weed killer herbicide aqueous solution is joined in insecticide suspending agent, then pine nut base vegetable oil is added dropwise in suspending agents systems again, fully stirs, make the complete dispersion and emulsion of vegetable oil in suspending agents systems, the uniform mixed system of final formation.
The invention has the advantages that: compared to existing process technology, the salt adding strong polarity in suspending agents systems is the technical barrier in formulations of pesticide processing always.Because in conventional suspension agent prescription, emulsifier is generally linear strand emulsifier structure.One end is hydrophilic, one end oleophylic, after adding strong polarity or higher-priced electrolytic salt, will neutralize original suspending agents systems with electric charge, emulsifier molecules is come off from the former medicine particle periphery of solid and comes, thus cause solids to be assembled, precipitation, finally causes system stability to destroy.And adopt the emulsifier structure used in the present invention, polyacrylic combed macromolecule emulsifier, senior relatives' oil chain distributed multiple hydrophilic chain, add the charged density of emulsifier, add Coulomb repulsion strength.Simultaneously due to the special construction of gemini type amphoteric surfactant, there is multiple hydrophilic radical and lipophilic group simultaneously, and under different PH conditions, emulsifier system can with different electric charges, make it can use under alkaline different pH value condition at highly acid, substantially increase suspension system anti-by electrolytical ability.Thus well solve in the problem having the difficult stability of the suspension system of electrolyte existence condition.
Another advantage of the present invention is: compared to existing built agent product, more joins for insecticide and insecticide, or insecticide and bactericide compounded, less is insecticide and mixture of herbicides, the present invention the suspension agent composition that describes be mainly used in desinsection and the weeding of genetically engineered soybean and corn field, a dispenser, can play Chinese caterpillar fungus and to hold concurrently anti-double action.Along with the cultivated area of genetically engineered soybean and corn is ceaselessly expanded in the whole world, the usage amount of glyphosate is rising year by year, but after the use for years of glyphosate, the quantity of the malignant weed of resistance glyphosate is also increasing rapidly, peasant uses the cost of Gyphosate herbicice also increasing year by year, and herbicidal effect is declining year by year simultaneously.In the present invention, use dicamba and glyphosate carry out composite after, coordinate the synergy of pine nut base vegetable oil, the absorption of fipronil insecticide on plant corpus surface and infiltration can be increased on the one hand, also herbicidal composition can be reduced in the transpiration done on plant corpus blade and loss on the other hand, while improving insecticidal effect, also can improve the preventive effect of glyphosate antagonism weeds greatly, lower drug cost, extend the product life cycle.
Embodiment
Embodiment 1:
153 grams of former medicines of ethiprole are added in 243 grams of water, then croda491330 gram is added, croda491524 gram, abundant shearing, obtains suspending agent after sand milling, by 103 glyphosates, 21 grams of dicambas drop in 234 grams of water, stir, logical cooling water cools the temperature to about 0 ~ 5 DEG C and slowly drips 99% isopropylamine solvent 42 grams, obtains weed killer herbicide aqua.50 grams of monzs219 are added in 100 grams of pine nut base vegetable oil, form oil phase.Then under the condition stirred, weed killer herbicide aqua is joined in insecticide suspending agent slowly, is finally adding oil phase vegetable oil, continue stirring 10 ~ 15 minutes, obtain the milky suspension weeding and pest-killing agent of 1000 grams of thickness.
Embodiment 2:
255 grams of former medicines of ethiprole are added in 104 grams of water, then croda491340 gram is added, croda491530 gram, fully shears, and obtains suspending agent after sand milling, by 155 glyphosates, 32 grams of dicambas drop in 140 grams of water, and stir, logical cooling water cools the temperature to about 0 ~ 5 DEG C, then slowly drip 99% isopropylamine solvent 64 grams, obtain weed killer herbicide aqua.60 grams of monzs219 are added in 120 grams of pine nut base vegetable oil, form oil phase.Then under the condition stirred, weed killer herbicide aqua is joined in insecticide suspending agent slowly, is finally added dropwise to oil phase vegetable oil again, continue stirring 10 ~ 15 minutes, obtain the milky suspension weeding and pest-killing agent of 1000 grams of thickness.
The normal temperature performance indications of above two examples:
The thermodynamic stability index of above two examples 54 ± ± 2 DEG C, 14 days:
By this suspension agent composition, under the condition of 54 ± 2 DEG C, heat storage is after 14 days, and analyze all technical, its indices is still in claimed range, and visible suspension system is stable under reservoir condition, and it is feasible for being applied in large production by this formula.
Claims (6)
1. the insecticidal suspending agent containing herbicide components, it is characterized in that, in mass ratio: comprise 10 ~ 30% ethiproles, 10 ~ 20% glyphosates, 2 ~ 5% dicambas, 5% ~ 15% vegetable oil adjuvants, emulsifier 5% ~ 15%, supplies deionized water to 100%.
2. the insecticidal suspending agent containing herbicide components according to claim 1, is characterized in that, also comprise a small amount of bactericide.
3. the insecticidal suspending agent containing herbicide components according to claim 1, it is characterized in that, emulsifier is the mixture of polyacrylic combed macromolecule emulsifier and gemini type amphoteric surfactant.
4. the insecticidal suspending agent containing herbicide components according to claim 1, it is characterized in that, vegetable oil adjuvants is rapeseed oil, peanut oil, soybean oil, esterification rapeseed oil, palm oil, esterification palm oil, pine nut base vegetable oil.
5. the insecticidal suspending agent containing herbicide components according to claim 4, it is characterized in that, described vegetable oil adjuvants is pine nut base vegetable oil.
6. the preparation method of the insecticidal suspending agent containing herbicide components, is characterized in that, carry out according to the following steps:
1) in the former medicine of ethiprole, add polyacrylic combed macromolecule emulsifier, aluminium-magnesium silicate and appropriate deionized water, be processed into content 30 ~ 60% insecticide suspending agent;
2) in glyphosate and the former medicine of dicamba, add appropriate water, then drip isopropylamine solution, be made into content 20 ~ 40% the weed killer herbicide aqueous solution;
3) be low to moderate under moderate-speed mixer condition, the weed killer herbicide aqueous solution is joined in insecticide suspending agent, then pine nut base vegetable oil is added dropwise in suspending agents systems again, fully stirs, make the complete dispersion and emulsion of vegetable oil in suspending agents systems, the uniform mixed system of final formation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417355A (en) * | 2016-08-31 | 2017-02-22 | 江苏长青生物科技有限公司 | Insecticide suspending agent containing herbicide component and preparation method of insecticide suspending agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417355A (en) * | 2016-08-31 | 2017-02-22 | 江苏长青生物科技有限公司 | Insecticide suspending agent containing herbicide component and preparation method of insecticide suspending agent |
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Application publication date: 20151118 |