CN85100808A - Stable suspending concentrate of aqueous pesticide - Google Patents
Stable suspending concentrate of aqueous pesticide Download PDFInfo
- Publication number
- CN85100808A CN85100808A CN85100808.9A CN85100808A CN85100808A CN 85100808 A CN85100808 A CN 85100808A CN 85100808 A CN85100808 A CN 85100808A CN 85100808 A CN85100808 A CN 85100808A
- Authority
- CN
- China
- Prior art keywords
- suspending concentrate
- water
- aqueous pesticide
- weight
- polyglycol ether
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
Abstract
Suspending concentrate of aqueous pesticide can keep uniform dispersiveness for a long time, it not only is applicable on the ground of general concentration and uses, and is applicable to and resembles in the aviation and use (ULV use (ultra-small volume uses) LV uses (hypervolume uses) or S uses (spraying use)) such high concentration application.Because this surfactant and water miscible thickener heteroglycan mix, even also can in the such high concentration situation of adulterant and other emulsible concentrates, use.
Description
Technical field
The present invention's stable suspending concentrate of aqueous pesticide of touching upon more particularly, is about keeping the invention of uniformly dispersed suspending concentrate of aqueous pesticide for a long time.Not only be applicable to the concentrated application that ground is general, and be applicable to and resemble the so highly enriched application of aerospace applications (ULV uses (ultralow volume applications), and LV uses (low volume applications), or S uses (spray application)).Because the mixing of this surfactant and water miscible thickener heteroglycan, even also can be used in the so highly enriched application of adulterant and other emulsible concentrates.
The look-ahead technique invention description
Pulvis, particle, wettable powder and the common name of emulsible concentrate are that agrochemistry is held dosage form.In the middle of these dosage forms, pulvis has the problem that can drift about in environment when using.Wettable powder is to be condition with the amount of dusting, because this wettable powder is made up of tiny particle when spraying as liquid preparation.Thus, they produce the problem of harmful influence.The shortcoming of emulsible concentrate is that the raw material type that can make the agricultural chemicals of emulsion is limited, because required pesticide material is easy dissolubility in organic solvent, owing to used organic dissolubility, preparation is insecure; Simultaneously, at duration of storage the danger that causes fire or other accident is arranged; And use so emulsible concentrate and may cause damage the crop of certain kind.
In the recent period, aerospace applications (ultralow volume applications, low volume applications or spray application) is popularized in the application work of agrochemistry, has saved time and manpower.But, this habitual dosage form of agrochemistry always is not suitable for aerospace applications, therefore developed and be adapted to the desired new dosage form of aerospace applications, about being applicable to the preparation of aerospace applications, known this suspending concentrate is water insoluble or is slightly soluble in the fine particles of the technical grade agricultural-chemical suspension of water, prepares by interpolation emulsifier and dispersant in water or hydrophilic solvent.
But, the suspending concentrate that these are known, long-term physical stability is poor.So, when they in aerospace applications as a kind of highly enriched being applied in when using in adulterant and other agricultural-chemical emulsion, flocculation will take place in the particle that suspends, and this subsequently flocculate will separate and precipitate, and cause the screen cloth obstruction of the applicator that is suitable for helicopter etc.Furtherly, in the process of application mix pesticidal preparations, this flocculate sticks on the crop, causes phytotoxicity.Therefore, these habitual preparations lack as the required characteristic of the suspending concentrate of aerospace applications.
Japan Patent discloses 129201/80, and Japanese patent laid-open publication gazette 24401/83 and Japan Patent disclose 124702/83 technology that has disclosed relevant suspending concentrate.But, disclose the 129201/80 this preparation that discloses at Japan Patent and make and be slightly soluble in water or water-fast active component (technical grade agricultural chemicals) must to arrive wetting and uniform suspension fully in water be inconvenient.So when this preparation used in adulterant and other known agricultural-chemical emulsion, flocculate produced, cause the applicator screen cloth to stop up.
The suspending concentrate long term storage stability that discloses in Japanese patent laid-open publication gazette 24401/83 is poor, because initial value is low.Disclosing 24702/83 preparation that discloses at Japan Patent can not use in adulterant and other technical grade pesticidal preparations.The breeding of control insect in same season, common way is that a kind of pesticidal preparations mixes then and there with another or several preparations.Save time and manpower concerning this application with this mix preparation.Yet when using in adulterant and other preparations, this habitual suspending concentrate is tending towards the creamy flocculate that form causes that the applicator screen cloth stops up.
The invention brief summary
The purpose of this invention is to provide a stable aqueous suspension concentrate that contains.
Because the inventor studies assiduously, overcome said difficulty in the habitual aqueous pesticide formulations, finished the present invention.Therefore, suspending concentrate of aqueous pesticide provided by the invention at least a kind of under normal temperature, be solid, in water, can all evenly stably suspend, be slightly soluble in water or the water-fast pesticidal preparations and be used as active component.Said this suspended pesticides concentrates is easily handled, and when using, bin stability, suspendability and dispersed splendid are easy to aerospace applications, also can use in the agricultural-chemical emulsion of adulterant and other technical grades.These significant advantages belong to the mixing of surfactant and water miscible thickener heteroglycan in the preparation invention.
The simple declaration of invention
According to suspending concentrate of aqueous pesticide provided by the invention, come down to by at least a solid at normal temperatures, be slightly soluble in water or water insoluble, form as agricultural chemicals 50% or the less amount by weight of active component.As the alkyl phenol polyglycol ether of surfactant by weight 0.1% to 5.0%, the aromatic ring that an alkyl or aralkyl structure arranged as the non-ionic surface active agent of lipophilic group by weight 0.1% to 5.0%, add the water-soluble thickener heteroglycan of capacity again, this preparation has one 10 dynes per centimeter more than 25 ℃ the time so that make
2Initial value.This existing suspending concentrate of aqueous pesticide in fact also has representation feature, and it can use in adulterant and other emulsible agricultural chemicals.
According to this existing invention, this stable suspending concentrate of aqueous pesticide not only can be used for general agricultural to be used, and can handle wood preservative.In order to control the rotten mould of brown, belong to Puteana as the powder lead fungi, imperial cyprid belongs to long kiss Eimeria, the cheese fungi that give birth in the natural pond or other similar things etc.; The rotten mould of white is as the assorted bent genus of Geiger Pseudomonas or like that; And the soft rot mould, as Chaetomium or other similar things etc., available suspending concentrate is handled wooden stem portion or the soil part of plant.In addition, suspending concentrate of the present invention also can be used to control owing to rest fungus (the handle rust belongs to SPP), the meadow that Rhizoctonia pentanochlor Kunn etc. causes and the phytotoxicity of pasture range.
DETAILED DESCRIPTION OF THE PREFERRED
Be that pesticidal preparations individual, that be slightly soluble in water or water-fast all known kinds can be used as the active component in this existing invention composition at normal temperatures.These pesticidal preparations comprise and resemble diisopropyl-1,3-dithiolane-2-inner salt-type malonic acid (being commonly called different rosickyite hydroxyl alkane), 3 '-isopropoxy-2-trifluoro toluanilide (being commonly called Frlutolani), 3 '-different third oxygen acid-2-N-is to toluyl aniline (being commonly referred to as Mepronil) and 4,5,6, these bactericide of 7-tetrachloro-2-benzo (C) furan ketone (being commonly referred to as 2-benzo (C) furan ketone); Comprise resembling 2-butyl imino group-3-isopropyl-5-phenyl-3,4,5,6-tetrahydro-2H-1,3,5-diazine-4-ketone (is commonly referred to as Buproejim and m-methyl-these insecticides of N-methyl carbamate (being commonly referred to as MTMC); Also comprise resembling 2-chloro-4 two (ethylamino)-1,3 of 6-, the such weed killer herbicide of 5 triazines (being commonly referred to as atrazine).Above-mentioned is just typical, and other similar agricultural chemicals also can be as active component in suspending concentrate of aqueous pesticide of the present invention.
As these pesticidal preparations of active component can be individually or by weight 50% or less amount in adulterant, use, be benchmark preferably with the component total amount, 10% using by weight to 50%.
The exemplary that alkyl phenol polyglycol ether is used for the present invention is the nonyl phenol polyglycol ether, and this ether 0.1% to 5.0% weight is by weight used, preferably 0.1% using to 3.0% by weight.
As for the non-ionic surface active agent of the aromatic ring that an alkyl or aralkyl structure are arranged, can from the formaldehyde condensate liquid of alkyl phenol polyglycol ether and styryl phenol polyglycol ether, select the material of one or more kinds to use as lipophilic group.These surfactants promptly can use individually, also can use in adulterant.Can in 0.1% to 5.0% scope by weight, suitably be selected by the amount of the non-ionic surface active agent admixed.
Heteroglycan is used as water-soluble thickener in the present invention, this glycan, and so-called xanthic acid natural gum is a kind of ECM of linearity of HMW, generates under the effect that belongs to yellow single bag Pseudomonas one bacterioid.This material is used for this invention, and molecular weight surpasses 200,000, is preferably in 1,000, more than 000.The suspended pesticides concentrates of giving birth to by such volume production will have one 10 dynes per centimeter about more than 25 ℃
2This optimised quantity of initial general value be by weight from 0.05% to 0.5%.
According to the present invention, in the preparation of suspending concentrate of aqueous pesticide, water is main solvent.Water can use separately, if necessary, might as methyl alcohol, ethanol, isopropyl alcohol, polyethylene glycol, select the organic solvent blending of one or more kinds to use in the 1,2 ethylene glycol etc. from hydrophilic solvent.Select hydrophobicity solvent such as dimethylbenzene, toluene, mineral oil, vegetable oil, atoleine etc. under certain conditions, when using these organic solvents (S), 1% to 30% amount blending by weight, preferably 10% to 20% blending by weight.
Suspending concentrate of aqueous pesticide among the present invention contains other the necessary materials except top said composition, silicone antifoam agent for example, and this defoamer mainly is made up of dimethyl polysiloxane, and consumption is no more than 5% of weight.Also may admix hydrophilic silica or as the technical grade material of grinding aid, its consumption be not more than by weight 5%.The agricultural chemicals of other technical grades, comprise MEP emulsion, BPMC emulsion, MEP-BPMC emulsion, basudin emulsion, PAP emulsion, Fujione emulsion, malathion emulsion, IBP emulsion or the like can use in adulterant and suspending concentrate of aqueous pesticide of the present invention.
For example, according to the present invention, this suspending concentrate of aqueous pesticide is prepared as follows: the alkyl phenol polyglycol ether of appropriate weight, non-ionic surface active agent, if necessary, defoamer and a kind of organic solvent (or solvent) are suspended or be dissolved in the water with agitator, then active component is added to the inside, grind this mixture with wet milk, cause the particle diameter of active component to become 5 microns or littler, preferably 0.5 micron to 3.0 microns, then an amount of heteroglycan is added in the mixture, succeeded by further mixing, obtain a kind of uniform preparation.
Object lesson among the present invention and some tests examples are as described below, and in the explanation of following example, except as otherwise noted, all deals are by weight calculation:
Example 1
Used material:
Buprofejin 42.00(part)
Nonyl phenol polyglycol ether (10EO) 1.40(part)
Styryl phenol polyglycol ether (24EO) 2.00(part)
Propane diols 3.00(part)
Defoamer 0.50(part)
Heteroglycan 0.15(part)
Hydrophilic siloxane 3.00(part)
Water 47.95(part)
Nonyl phenol polyglycol ether (10EO) with 1.40 parts, 2.00 the styryl phenol polyglycol ether (24EO) of part, 3.00 propane diols of part and 0.50 part defoamer (siloxanes KM-73 is produced by KCC of SHIN-ETSU HANTOTAI) are added in 47.95 parts of water, with common agitator (the high agitator of HV-M type is made by Jokurhukika kogyo Co., Ltd.) stirring 20 minutes, make their dissolvings and mix, then with the hydrophilic siloxane Carplen#80 of 42.00 parts Buprofejin and 3.00 parts by Shionogi﹠amp; Co., Ltd. makes and adds, and with wet milk (attrition mill is made by Mitrui Miike machinery Co., Ltd.) mixture is ground 3 hours, and is last, adds 0.15 part of heteroglycan, succeeded by mixing 20 minutes, obtains 100 parts of uniform preparations.
Use the same method, can obtain routine 2-9, reference example 1-10, routine 10-12 and the such preparation of reference example 11-15 show in the formula table 1,2 and 3 of these preparations.
Test example 1
The viscosity of preparation (apparent viscosity and initial value) obtains in relevant example and reference example with physical stability (precipitum volume ratio), with down routine method mensuration.
Viscosity:
Measure with E type viscosimeter (being made by Jokyo Keiki Co., Ltd.), sample temperature is controlled at 25 ℃, the conical surface: 1 ' 34 ", apparent viscosity is that shear rate is 100 seconds
-1The time viscosity.Initial value is to be 0 second with shear rate
-1The time shear stress represent.
The precipitum volume ratio:
According to this invention, each preparation or each reference preparation got 20 milliliters, to put into and have ground stopper, internal diameter is that 1.3 centimetres, volume are in 20 milliliters the graduated cylinder, this graduated cylinder to be left standstill one month in 40 ℃ insulating box.Volume √ (milliliter) measures with the particle of precipitum, and its cumulative volume is than determining that from following formula the numerical value that obtains is the coefficient of the physical stability of known preparation.
The precipitum volume ratio=(√)/20 * 100
The result represents in table 4
Test routine 2(bulk testing)
Water is put into 500 milliliters wide-mouth bottle, determine to put the amount of past commercial commercially available agricultural-chemical emulsion wherein then,, make it produce uniform emulsification and dispersion succeeded by abundant stirring., according to the amount of this invention mensuration suspending concentrate of aqueous pesticide each sample, equably add it is disperseed, to form a kind of agricultural chemicals preparation liquid of mixing thereafter.Be diluted to and be suitable for the low volume of LV() concentration (8 liters/per hectare) used.Use the same method and prepare similar mixture with control sample (reference example).The preparation liquid of these mixing still will be placed 2 hours, then by 250 purpose sieves.Whether test specimen can use in the commodity agricultural chemicals of adulterant and emulsification, judges that by the quantity and the shape of residue on the sieve result shows in table 5.In table 5, there is not residue on the 0 expression sieve, sample can use in the pesticide liquid of adulterant and commodity, * being illustrated in and leaving creamy residue on the sieve, sample can not use in the pesticide liquid of adulterant and commodity.
Claims (2)
1, stable suspending concentrate of aqueous pesticide by solid at normal temperatures, be slightly soluble in agricultural chemicals 50% or less composition by weight of water or water-fast one or more kinds.Alkyl phenol polyglycol ether by weight 0.1% to 5.0%, the aromatic ring that an alkyl or alkoxyl structure arranged as the non-ionic surface active agent of lipophilic group by weight 0.1% to 5.0%, quantitative heteroglycan causes the preparation of generation that one 10 dynes per centimeter is being arranged more than 25 ℃ as water-soluble thickener
2Initial value.Above-mentioned suspending concentrate of aqueous pesticide can use in adulterant and other emulsible agricultural chemicals.
2, claim 1 described stable suspending concentrate of aqueous pesticide, the wherein above-mentioned aromatic ring that an alkyl or alkoxyl structure are arranged is as the non-ionic surface active agent of lipophilic group, selects a member at least from the formaldehyde condensation products of the alkyl phenol polyglycol ether of forming this group and styryl phenol polyglycol ether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85100808.9A CN1004605B (en) | 1983-11-10 | 1985-04-01 | Stable suspending concentrate of aqueous pesticide |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58211554A JPH0759481B2 (en) | 1983-11-10 | 1983-11-10 | Stable pesticide formulation in water |
| CN85100808.9A CN1004605B (en) | 1983-11-10 | 1985-04-01 | Stable suspending concentrate of aqueous pesticide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85100808A true CN85100808A (en) | 1987-01-10 |
| CN1004605B CN1004605B (en) | 1989-06-28 |
Family
ID=16607731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85100808.9A Expired CN1004605B (en) | 1983-11-10 | 1985-04-01 | Stable suspending concentrate of aqueous pesticide |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPH0759481B2 (en) |
| KR (1) | KR850003656A (en) |
| CN (1) | CN1004605B (en) |
| AU (1) | AU560953B2 (en) |
| FR (1) | FR2554683B1 (en) |
| GB (1) | GB2149665B (en) |
| HK (1) | HK53192A (en) |
| HU (1) | HU199233B (en) |
| PH (1) | PH20054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554163B (en) * | 2008-04-08 | 2012-12-12 | 中国农业科学院农业环境与可持续发展研究所 | Pesticide adjuvant and preparation method thereof |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2764270B2 (en) * | 1988-05-10 | 1998-06-11 | 日本農薬株式会社 | Stable aqueous suspension pesticide composition |
| US5496845A (en) * | 1994-05-25 | 1996-03-05 | American Cyanamid Co. | Suspension concentrate compositions of arylpyrrole insecticidal and acaricidal agents |
| HU215775B (en) * | 1994-08-03 | 1999-02-01 | Zeneca Limited | Containerisation system comprising a water dispersible gel |
| JP3600670B2 (en) * | 1995-12-08 | 2004-12-15 | アグロカネショウ株式会社 | Pesticide aqueous suspension composition and containered pesticide aqueous suspension composition |
| GB2432119B (en) * | 2005-11-10 | 2011-03-23 | Biotech Internat Ltd | Improvements in and relating to biocidal compositions |
| MX2014014967A (en) * | 2012-06-06 | 2015-09-23 | Dow Agrosciences Llc | High strength herbicidal suspension concentrates. |
| EP3357334B1 (en) * | 2015-09-30 | 2021-05-26 | Nippon Soda Co., Ltd. | Agrochemical composition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948636A (en) * | 1972-11-09 | 1976-04-06 | Diamond Shamrock Corporation | Flowable aqueous composition of water-insoluble pesticide |
| JPS55129201A (en) * | 1979-03-28 | 1980-10-06 | Kao Corp | Fluid pesticidal composition |
| JPS5758601A (en) * | 1980-09-25 | 1982-04-08 | Toho Chem Ind Co Ltd | Suspension of agricultural chemical |
-
1983
- 1983-11-10 JP JP58211554A patent/JPH0759481B2/en not_active Expired - Lifetime
-
1984
- 1984-11-08 FR FR848416997A patent/FR2554683B1/en not_active Expired - Lifetime
- 1984-11-08 GB GB08428211A patent/GB2149665B/en not_active Expired
- 1984-11-08 AU AU35210/84A patent/AU560953B2/en not_active Expired
- 1984-11-09 PH PH31432A patent/PH20054A/en unknown
- 1984-11-09 HU HU844183A patent/HU199233B/en unknown
- 1984-11-09 KR KR1019840007017A patent/KR850003656A/en not_active Application Discontinuation
-
1985
- 1985-04-01 CN CN85100808.9A patent/CN1004605B/en not_active Expired
-
1992
- 1992-07-16 HK HK531/92A patent/HK53192A/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554163B (en) * | 2008-04-08 | 2012-12-12 | 中国农业科学院农业环境与可持续发展研究所 | Pesticide adjuvant and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| HUT36982A (en) | 1985-11-28 |
| GB2149665A (en) | 1985-06-19 |
| FR2554683A1 (en) | 1985-05-17 |
| CN1004605B (en) | 1989-06-28 |
| AU560953B2 (en) | 1987-04-30 |
| GB8428211D0 (en) | 1984-12-19 |
| JPS60104002A (en) | 1985-06-08 |
| AU3521084A (en) | 1985-05-16 |
| HU199233B (en) | 1990-02-28 |
| FR2554683B1 (en) | 1990-06-08 |
| JPH0759481B2 (en) | 1995-06-28 |
| PH20054A (en) | 1986-09-18 |
| GB2149665B (en) | 1987-07-22 |
| HK53192A (en) | 1992-07-24 |
| KR850003656A (en) | 1985-06-26 |
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| C06 | Publication | ||
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| C13 | Decision | ||
| GR02 | Examined patent application | ||
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