CN102726376A - Clethodim emulsifiable pulvis - Google Patents
Clethodim emulsifiable pulvis Download PDFInfo
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- CN102726376A CN102726376A CN2011100878614A CN201110087861A CN102726376A CN 102726376 A CN102726376 A CN 102726376A CN 2011100878614 A CN2011100878614 A CN 2011100878614A CN 201110087861 A CN201110087861 A CN 201110087861A CN 102726376 A CN102726376 A CN 102726376A
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- clethodim
- emulsified powder
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Abstract
The invention relates to the field of pesticide processing, and specifically discloses a clethodim emulsifiable pulvis. The composition and the content of the emulsified the pulvis are: 1% to 50% of clethodim, 1% to 20% of a wetting dispersant, 1% to 30% of an emulsifier, 0 to 10% of a solvent and the balance being a carrier. The clethodim emulsifiable pulvis is simple in preparation, convenient in application, less in environment pollution and safe in storage and transportation, and has equal efficacy with a clethodim emulsifiable concentrate, thereby being an ideal herbicide.
Description
Technical field
The invention belongs to the pesticide processing field, relate to the novel form of agricultural herbicide clethodim, but relate to a kind of clethodim emulsified powder particularly.
Background technology
The chemical name of clethodim (clethodim) is: (±)-2-[(E)-1-[(E)-and 3-chloroallyloxyamino imino group] propyl group]-5-[2-(ethylmercapto group) propyl group]-3-hydroxyl hexamethylene-2-ketenes, be that the inner sucting conduction type cauline leaf is handled weed killer herbicide, good selectivity is arranged.Grassy weed had very strong lethal effect, to dicotyledonous crops safety.Be mainly used in and prevent and kill off the spontaneous cereal crop of soybean, the annual and perennial grassy weed in rape field and broad leaf crop Tanaka such as barnyard grass grass, lady's-grass, annual bluegrass, wild oat, green foxtail, setaria glauca, faber bristlegrass herb is spent more moleplant seed, Bermuda grass, fossilia dentis mastodi thatch, amur foxtail, foreign wild knotweed, eleusine indica etc.To dicotyledon, the nutgrass flatsedge activity is very little or non-activity.
The main preparation formulation of clethodim application at present is a missible oil.Though the missible oil good drug efficacy, it is relatively easy, easy to use to prepare, and contains a large amount of toluene, xylol or solvent wet goods organic solvent in the missible oil, and environmental pollution is serious, in processes such as production, storage, transportation, all has hidden danger.Therefore, be necessary to develop a kind of environmentally friendly, herbicidal effect good, and clethodim novel form high to crop safeties such as soybean, rapes, use cost economy is to satisfy the needs of agricultural production.
Summary of the invention
But emulsified powder is a kind of novel form that on the basis of missible oil, grows up, but does not see the dosage form research of clethodim emulsified powder and the report of application thereof so far.But inventor of the present invention is devoted to the research of clethodim emulsified powder, and its purpose is: but a kind of safety, environmental protection, stable storage, clethodim emulsified powder that herbicidal effect is good are provided.
The inventor select for use can with clethodim be mixed wetting dispersing agent, emulsifier, solvent and the carrier of processing, test through a large amount of formulatings and performance test, but obtain a kind of clethodim emulsified powder satisfactory for result, thereby accomplished the present invention.
Technical scheme of the present invention is following: but a kind of clethodim emulsified powder contains active ingredient clethodim and agriculture acceptable assistant and the carrier gone up, and wherein each component and weight percentage thereof are:
The further optimized technical scheme of the present invention does, but the composition of clethodim emulsifier and content thereof are following:
But in the above-mentioned clethodim emulsified powder prescription:
Described wetting dispersing agent is selected from the sodium salt (dispersant D425) of sodium lignin sulfonate, calcium lignosulfonate, naphthalenesulfonic acid-formaldehyde condensate (dispersant NNO), methyl naphthalene sulfonate formaldehyde condensate (Dispersant MF) or alkyl naphthalene sulfonic acid condensation polymer; More preferably wetting dispersing agent is selected from the sodium salt or the methyl naphthalene sulfonate formaldehyde condensate of sodium lignin sulfonate, alkyl naphthalene sulfonic acid condensation polymer; Wetting dispersing agent can be selected from above-mentioned wherein one or more.
Described emulsifier is selected from calcium dodecyl benzene sulfonate (farming breast 500); Anion and non-ionic surface active agent are with the compound (agricultural newborn 0201B) of solvent; Alkyl phenol formaldehyde resin polyoxyethylene ether (Nongru-700); Alkylphenol-polyethenoxy (15) ether (agricultural newborn NP-15); Phenethyl phenol polyethenoxy ether and vegetable oil polyoxyethylene ester admixture (OX-2681); Phenethyl phenol polyethenoxy polyethenoxy ether (farming breast 1601); Castor oil polyoxyethylene ether (agricultural newborn BY110); Alkyl phenyl APEO (farming breast 100); Sorbitan monooleate (S-80); Dibutyl naphthalene sulfonic acids calcium (farming breast 2201) or castor oil polyoxyethylene (40) ether (agricultural newborn EL-40); More preferably emulsifier is selected from calcium dodecyl benzene sulfonate (farming breast 500), anion and non-ionic surface active agent compound (agricultural newborn 0201B), alkyl phenol formaldehyde resin polyoxyethylene ether (Nongru-700), phenethyl phenol polyethenoxy polyethenoxy ether (farming breast 1601), castor oil polyoxyethylene ether (agricultural newborn BY110), alkyl phenyl APEO (farming breast 100), dibutyl naphthalene sulfonic acids calcium (farming breast 2201) or castor oil polyoxyethylene (40) ether (agricultural newborn EL-40) with solvent; Emulsifier can be selected from above-mentioned wherein one or more.
Described solvent is selected from solvent naphtha, cyclohexanone, N-Methyl pyrrolidone, xylol, toluene or N, dinethylformamide; More preferably solvent is selected from xylol or solvent naphtha.
Described carrier can be selected from diatomite, white carbon, potter's clay, precipitated calcium carbonate, bentonite, kaolin or attapulgite; More preferably carrier is selected from white carbon, bentonite or attapulgite; Carrier can be selected from above-mentioned wherein one or more.
But clethodim emulsified powder of the present invention can adopt following two kinds of methods processing preparation.A kind of method is: active ingredient in will filling a prescription earlier (being the former medicine of clethodim) is adsorbed on the carrier after mixing with the liquid adjuvants component, mixes with other solid constituent again, pulverizes through airslide disintegrating mill then, makes granularity reach 98% through 45 μ m sieve; Another kind method is: carrier in will filling a prescription earlier and solid matter are crushed to granularity and reach 98% through 45 μ m sieve, then the former medicine of the clethodim that mixes, solvent and liquid adjuvants are evenly adsorbed on it.But by the clethodim emulsified powder of the present invention that above-mentioned two kinds of methods are prepared, its performance of products is not influenced by the preparation method all.
But clethodim emulsified powder of the present invention can directly be converted water dilution back spraying before use by the user and use; Its active ingredient reaches emulsified state in water; The clethodim drug effect is not fully exerted; Its drug effect effect is suitable with missible oil, thereby has solved the technical barrier that all the time can only use this puzzlement of missible oil formulation people.But be somebody's turn to do the emulsified powder stable performance simultaneously, heat storage (54 ± 2) ℃ placement 14 days, the active ingredient resolution ratio is less than 10%.But clethodim emulsified powder of the present invention has good weeding activity; Can be used for preventing and kill off barnyard grass grass, lady's-grass, green foxtail, paddy green bristlegrass, reed, hard grass, eleusine indica, wild oat, amur foxtail, Japanese amur foxtail, deceive multiple grassy weeds such as grass, moleplant seed, nit grass, lolium temulentum, caput grass, annual bluegrass, broomcorn millet, wild broomcorn millet, Texas millet, arm shape grass, Bermuda grass, fossilia dentis mastodi thatch, quackgrass, awns barnyard grass, red rice, Rottboellia exaltata, Radix seu Herba Astilbes rivularis, false Chinese sorghum, racemosus muhly, spontaneous corn, be specially adapted to prevent and treat soybean, cotton, peanut, rape Tanaka's grassy weed.
But clethodim emulsified powder of the present invention has the following advantages: 1, need not or only use a small amount of organic solvent in the prescription; Both saved a large amount of organic solvents, avoided organic solvent harm to people and environment when producing and use, the safety of can improve productions, storage again, transporting; 2, but the emulsified powder biologically active of preparation is high, and safety is good, and drug effect is suitable with clethodim missible oil; 3, the preparation method is simple, and good product mobility is non-caked, do not lump; 4, the product storge quality is good.
Embodiment
Following instantiation is in order to detailed description the present invention, but the present invention only limits to these examples absolutely not.The proportioning of all preparations is weight percentage.The active component clethodim is provided by Shenyang Kechuang chemicals Co., Ltd, and former medicine content 81.4% is metered into behind the folding hundred; All the other various wetting dispersing agents, emulsifier, solvent, carrier all have commercially available.
Formulation examples
But instance 1 24% clethodim emulsified powder
But instance 2 12% clethodim emulsified powders
But instance 3 6% clethodim emulsified powders
But instance 4 30% clethodim emulsified powders
The properties of product test
But clethodim emulsified powder each item technical indicator of the present invention is measured, but the test result of two batches of products of 24% clethodim emulsified powder of embodiment 1 is listed in the table below.
But the mensuration result of 24% clethodim emulsified powder product each item technical indicator
Annotate:
1) dispersed stability is measured: press the FAO standard-required; But emulsified powder with 30 ℃ ± 2 ℃ CIPAC standard water A (hardness is 20ppm, pH5.0～6.0, calcium: magnesium=50: 50) and D (hardness is 342ppm; PH6.0～7.0; Calcium: dilution magnesium=80: 20), the oil slick amount and the sedimentary volume at mensuration top).
2) lasting foaming characteristic is measured: add the 180ml graduation mark place of standard hard water (342ppm) to 250ml graduated cylinder, but add emulsified powder sample 1.0g (being accurate to 0.1g), cover plug after, be the center with the graduated cylinder bottom, turn upside down 30 times (each 2s).On testing stand, leave standstill 1min, the record foam volume.
The test of pesticide effectiveness
Test method: it highly is in 9 centimetres the Disposable paper cup that quantitative barnyard grass grass seed is sowed at respectively, broadcasts back earthing 0.5cm, in the greenhouse, cultivates by conventional method behind suppression, the trickle.Treat the barnyard grass grass during 3 length of times, carry out the cauline leaf spraying by experimental scheme dosage with crawler type crop sprayer (Britain Engineer Research Ltd. designs production) and handle (atomisation pressure 1.95kg/cm
2, spouting liquid 500Ll/ha, crawler belt speed 1.48km/h).Test repetition 4 times.The examination material is handled and is placed on handling hall; After treating the soup natural air drying; Be put in the greenhouse and manage by conventional method; Observe and write down the response situation of weeds to medicament, periodical visual inspection investigation medicament is to the preventive effect of weeds, and wherein contrasting medicament 24% clethodim missible oil is the commercial goods that Shenyang Kechuang chemicals Co., Ltd produces.Test determination is the result see the following form.
Indoor biological activity test is measured result's (control barnyard grass grass)
Test of pesticide effectiveness result by last table can find out, but 24% clethodim emulsified powder of the present invention and 24% clethodim missible oil were estimated the preventive effect basically identical to the barnyard grass grass in the time of 10 days, 20 days.
But clethodim emulsified powder provided by the invention; Safety in production, use, storage, transportation not only, environmental pollution is little, and has that processing technology is simple, low cost and other advantages; Simultaneously suitable with the missible oil drug effect, thereby have extraordinary application prospect.
Claims (10)
1. but a clethodim emulsified powder contains the active ingredient clethodim and goes up acceptable assistant and carrier with agricultural, and its composition and weight percentage are following:
2. but according to the described clethodim emulsified powder of claim 1, it is characterized in that: but the composition of emulsified powder and weight percentage are: and clethodim 5～30%, wetting dispersing agent 8～15%, emulsifier 5～15%, solvent 1～6%, surplus are carrier.
3. but according to the described clethodim emulsified powder of claim 2, it is characterized in that: described wetting dispersing agent is selected from one or more in the described sodium salt that is selected from sodium lignin sulfonate, calcium lignosulfonate, naphthalenesulfonic acid-formaldehyde condensate, methyl naphthalene sulfonate formaldehyde condensate or alkyl naphthalene sulfonic acid condensation polymer.
4. but according to the described clethodim emulsified powder of claim 3, it is characterized in that: described wetting dispersing agent is selected from the sodium salt of sodium lignin sulfonate, alkyl naphthalene sulfonic acid condensation polymer or in the methyl naphthalene sulfonate formaldehyde condensate one or more.
5. but according to the described clethodim emulsified powder of claim 2, it is characterized in that: described emulsifier is selected from calcium dodecyl benzene sulfonate, anion and non-ionic surface active agent with in compound, alkyl phenol formaldehyde resin polyoxyethylene ether, alkylphenol-polyethenoxy (15) ether, phenethyl phenol polyethenoxy ether and vegetable oil polyoxyethylene ester admixture, phenethyl phenol polyethenoxy polyethenoxy ether, castor oil polyoxyethylene ether, alkyl phenyl APEO, sorbitan monooleate, dibutyl naphthalene sulfonic acids calcium or castor oil polyoxyethylene (40) ether of solvent one or more.
6. but according to the described clethodim emulsified powder of claim 5, it is characterized in that: described emulsifier is selected from calcium dodecyl benzene sulfonate, anion and non-ionic surface active agent with in compound, alkyl phenol formaldehyde resin polyoxyethylene ether, phenethyl phenol polyethenoxy polyethenoxy ether, castor oil polyoxyethylene ether, alkyl phenyl APEO, dibutyl naphthalene sulfonic acids calcium or castor oil polyoxyethylene (40) ether of solvent one or more.
7. but according to the described clethodim emulsified powder of claim 2, it is characterized in that: described solvent is selected from solvent naphtha, cyclohexanone, N-Methyl pyrrolidone, xylol, toluene or N, dinethylformamide.
8. but according to the described clethodim emulsified powder of claim 7, it is characterized in that: described solvent is selected from xylol or solvent naphtha.
9. but according to the described clethodim emulsified powder of claim 2, it is characterized in that: described carrier is selected from one or more in diatomite, white carbon, potter's clay, precipitated calcium carbonate, bentonite, kaolin or the attapulgite.
10. but according to the described clethodim emulsified powder of claim 9, it is characterized in that: described carrier is selected from one or more in white carbon, bentonite or the attapulgite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110087861.4A CN102726376B (en) | 2011-04-08 | 2011-04-08 | Clethodim emulsifiable pulvis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110087861.4A CN102726376B (en) | 2011-04-08 | 2011-04-08 | Clethodim emulsifiable pulvis |
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| Publication Number | Publication Date |
|---|---|
| CN102726376A true CN102726376A (en) | 2012-10-17 |
| CN102726376B CN102726376B (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110087861.4A Active CN102726376B (en) | 2011-04-08 | 2011-04-08 | Clethodim emulsifiable pulvis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392703A (en) * | 2013-07-31 | 2013-11-20 | 中国热带农业科学院环境与植物保护研究所 | Weed killer composition used for cassava field |
| CN114747571A (en) * | 2022-03-30 | 2022-07-15 | 京博农化科技有限公司 | Ceibotriene glycol emulsifiable powder and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058468A1 (en) * | 2001-01-25 | 2002-08-01 | Syngenta Participations Ag | Pesticidal formulation |
| CN101632361A (en) * | 2009-08-18 | 2010-01-27 | 江苏丰登农药有限公司 | Difenoconazole emulsible powder |
| CN101856018A (en) * | 2010-06-18 | 2010-10-13 | 冀京民 | Etofenprox emulsified powder and manufacture method |
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2011
- 2011-04-08 CN CN201110087861.4A patent/CN102726376B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058468A1 (en) * | 2001-01-25 | 2002-08-01 | Syngenta Participations Ag | Pesticidal formulation |
| CN101632361A (en) * | 2009-08-18 | 2010-01-27 | 江苏丰登农药有限公司 | Difenoconazole emulsible powder |
| CN101856018A (en) * | 2010-06-18 | 2010-10-13 | 冀京民 | Etofenprox emulsified powder and manufacture method |
Non-Patent Citations (1)
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| 张国生 等: "喹草烯10%可乳化粉剂配方研究", 《农药科学与管理》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392703A (en) * | 2013-07-31 | 2013-11-20 | 中国热带农业科学院环境与植物保护研究所 | Weed killer composition used for cassava field |
| CN103392703B (en) * | 2013-07-31 | 2015-03-18 | 中国热带农业科学院环境与植物保护研究所 | Weed killer composition used for cassava field |
| CN114747571A (en) * | 2022-03-30 | 2022-07-15 | 京博农化科技有限公司 | Ceibotriene glycol emulsifiable powder and preparation method and application thereof |
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| CN102726376B (en) | 2014-03-05 |
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Effective date of registration: 20160119 Address after: 110021 Liaodong Road, Tiexi District, Liaoning, No. 8-1, No. Patentee after: SHENYANG SINOCHEM PESTICIDE CHEMICAL RESEARCH AND DEVELOPMENT CO., LTD. Address before: 100031 Beijing, Xicheng District, the door of the revitalization of the main street, No. 28 Patentee before: Sinochem Corporation Patentee before: Shenyang Research Institute of Chemical Industry |
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Effective date of registration: 20210729 Address after: 110021 Shenyang Liaodong Road, Tiexi District, Shenyang, Liaoning 8-1 Patentee after: SHENYANG SINOCHEM AGROCHEMICALS R&D Co.,Ltd. Patentee after: SHENYANG SCIENCREAT CHEMICALS Co.,Ltd. Address before: 110021 Shenyang Liaodong Road, Tiexi District, Shenyang, Liaoning 8-1 Patentee before: SHENYANG SINOCHEM AGROCHEMICALS R&D Co.,Ltd. |