CN103238597A - Tralkoxydim composition - Google Patents
Tralkoxydim composition Download PDFInfo
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- CN103238597A CN103238597A CN2012100290912A CN201210029091A CN103238597A CN 103238597 A CN103238597 A CN 103238597A CN 2012100290912 A CN2012100290912 A CN 2012100290912A CN 201210029091 A CN201210029091 A CN 201210029091A CN 103238597 A CN103238597 A CN 103238597A
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Abstract
The invention belongs to the field of agricultural herbicides and discloses a tralkoxydim composition. The composition contains tralkoxydim or its agriculturally-acceptable salt, a stabilizing agent, a surfactant and a carrier. The stabilizing agent is selected from one or more polymers of fatty acid ester, in particular preferably one or more polymers of oleic acid ester. Simultaneously, the stabilizing agent has weeding synergism. The composition provided by the invention can be processed into missible oil, a soluble liquid formulation, a wettable powder, an emulsion in water, a micron emulsion a suspending agent or a water-dispersed particulate agent according to needs.
Description
Technical field
The invention belongs to the agricultural herbicide field, relate to a kind of weed killer herbicide stable and synergistic composition, is a kind of tralkoxydim composition specifically.
Technical background
Tralkoxydim is a kind of cyclohexenone analog weed killer herbicide of herbicidal performance excellence, but has stable imperfect problem.How improving its stability receives much concern in recent years to keep effectively and to bring into play its herbicidal effect better.It is the herbicidal composition of activity of weeding component that WO2007050090A discloses a kind of cyclohexenone analog weed killer herbicide or its esters of comprising, said composition, for example discloses with C as stabilizing agent with a kind of fatty acid ester
16-18Fatty acid methyl ester is as the stabilizing agent of cyclohexenone analog weed killer herbicide (mainly being clethodim).Comprise the phosphotriester of aliphatic or aromatic alcohol and the di-phosphate ester of aliphatic or aromatic alcohol in the disclosed a kind of herbicidal composition of WO2008049618A, can make composition that superior biopotency and chemistry and physical stability are arranged.WO2009012979A report fatty acid alkyl esters is as the conditioning agent of pyroxsulam and tralkoxydim.Yet emphasis solves the technical scheme of tralkoxydim stability problem and does not appear in the newspapers so far.
Summary of the invention
The object of the present invention is to provide all good tralkoxydim compositions of a kind of herbicidal effect and stability.
For achieving the above object, the inventor has carried out big quantity research, find one or more fatty acid ester base polymers, wherein the preferred fatty acid esters polymer is that one or more oleate base polymers are the cyclohexenone analog weed killer herbicide of representative as tralkoxydim or its agriculture acceptable salt, and having has better chemical and physical stability and activity of weeding is had synergistic effect active component.
The present invention has developed a kind of tralkoxydim composition, and the active component in the said composition comprises that tralkoxydim or its agricultural go up acceptable salt, and as stabilizing agent, this stabilizing agent has synergistic effect simultaneously with the fatty acid ester base polymer.Contain four class materials in the composition of the present invention altogether: 1. active component tralkoxydim; 2. stabilizing agent; 3. surfactant; 4. carrier.Discover: by selecting suitable and an amount of stabilizing agent, showing activating agent and carrier, not only can obviously improve the stability of tralkoxydim composition, and can improve its activity of weeding.Simultaneously, the stabilizing agent selected for use of the present invention also goes for improving the stability that other cyclonenes or its agricultural go up acceptable salt weed killer herbicide.
Technical scheme of the present invention is as follows:
A kind of tralkoxydim composition, contain tralkoxydim or its agricultural upward acceptable salt, stabilizing agent, surfactant and carrier, the composition of each component and weight percentage are as follows in the composition: tralkoxydim 5-70%, stabilizing agent 0.1-30%, surfactant 1-30%, carrier 1-60%.
Further optimized technical scheme is that the composition of each component and weight percentage are as follows in the composition: tralkoxydim 10-50%, stabilizing agent 1-20%, surfactant 1-30%, carrier 10-60%.
Further optimized technical scheme is, the composition of each component and weight percentage are as follows in the composition: tralkoxydim 10-50%, stabilizing agent 1-10%, surfactant 1-30%, carrier 20-60%.
Described stabilizing agent is selected from one or more fatty acid ester base polymers, as polyoxyethylene sorbitan fatty acid ester, APEO sorbitan fatty acid ester, cithrol, polyoxyethylene groups fatty acid ester, fatty acid polyglycerol ester or polyoxypropylene fatty acid ester etc.These stabilizing agents can use separately in the composition, also can select for use wherein two or more to be used in combination; Under situation about being used in combination, their adding can be selected arbitrarily than row.Preferred one or more oleate base polymers of described stabilizing agent.
Described surfactant is selected from anion surfactant and/or non-ionic surface active agent.Described anion surfactant is selected from for example fatty acid salt, polycarboxylate, alkylsulfonate, alkylaryl sulfonates, arylsulphonate or lignosulfonates; Wherein preferably alkylsulfonate, polycarboxylate and arylsulphonate etc.Described non-ionic surface active agent is selected from for example compounds such as fatty alcohol polyethenoxy ether class, alkylphenol polyoxyethylene class, aliphatic amine polyoxyethylene ether class, vegetable and animals oils polyethenoxy ether class, alkyl glycoside class or cellulose ethers.Above-mentioned surfactant can be used alone or as a mixture.
Described carrier comprises solid carrier or liquid-carrier.Described solid carrier can be diatomite, precipitated calcium carbonate, kaolin, bentonite, white carbon, ammonium sulfate, ammonium hydrogen sulfate, cellulose family, xanthans, anhydrous sodium sulfate etc. or its two or more mixture.Described liquid-carrier mainly is selected from solvent naphtha-150 (S-150), cyclohexanone, triethyl phosphate, octylpyrrolidone, n-formyl sarcolysine base pyrrolidones etc. or its two or more mixture.According to prepared formulation, add above-mentioned solid carrier and/or liquid-carrier in the composition.
Mix to obtain tralkoxydim composition of the present invention by said components, can be prepared into multiple formulation as required, but for example can be missible oil, soluble liquid wet-milling, aqueous emulsion, microemulsion, suspending agent, water-dispersible granules etc.Composition of the present invention can by with each component of ormal weight with random order or mix simultaneously, obtain required formulation with processing method well-known to those skilled in the art.
Said composition does not need to use the mixed auxiliary agent of bucket when uniting use.
Tralkoxydim composition of the present invention has the following advantages: 1. the former drug stabilisation in the composition is improved; 2. the stabilizing agent in the composition has synergistic effect simultaneously, has strengthened activity of weeding.
Embodiment
Following examples are used for the present invention is described in further detail, but are not construed as limiting the invention, and composition of the present invention only limits to these embodiment absolutely not.Each related in formulation Example raw material is the commercial goods.Tralkoxydim content 97% is rolled over hundred post doses and is added.Each raw material all by weight in the prescription.
Embodiment 1 25% tralkoxydim suspending agent
By the prescription requirement, auxiliary agent, former medicine and water metering back are added in the raw material blending tank, start high-shear emulsion machine, after stirring corase grind, carry out the sand mill fine grinding, until fineness reach average grain diameter 3～5 μ m, when maximum is no more than 10 μ m till, namely obtain 25% tralkoxydim suspending agent product.
Embodiment 2 50% tralkoxydim wetting powders
By the prescription requirement, auxiliary agent, filler, former medicine metering back are added in the blender, start stirring, after mixing, put into intermediate bunker, pulverize by ultrafine crusher.The material that crushes namely gets 50% tralkoxydim wetting powder product after mixing.
Embodiment 3 10% tralkoxydim aqueous emulsions
By the prescription requirement, auxiliary agent, former medicine, solvent and water metering back are added in the raw material blending tank, start high-shear emulsion machine, emulsification is even, namely gets 10% tralkoxydim aqueous emulsion product.
Embodiment 4 10% tralkoxydim microemulsions
By the prescription requirement, auxiliary agent, former medicine, solvent and water metering back are added in the raw material blending tank, start stirring, mix, namely get 10% tralkoxydim microemulsion product.
Embodiment 5 25% tralkoxydim missible oil
By the prescription requirement, respectively solvent, former medicine, emulsifier are added in the raw material blending tank, start stirring, mix, namely obtain 25% tralkoxydim missible oil.
Embodiment 6 10% tralkoxydim soluble liquids
By the prescription requirement, respectively solvent, former medicine, emulsifier are added in the raw material blending tank, start stirring, mix, namely obtain 10% tralkoxydim soluble liquid.
Embodiment 7 25% tralkoxydim water-dispersible granules
By the prescription requirement, auxiliary agent, filler, former medicine metering back are added in the mixer, start stirring, after mixing, put into intermediate bunker, pulverize by ultrafine crusher.The material that crushes is added adhesive mixes, to be mixed evenly after, by the comminutor granulation, namely get 25% tralkoxydim water-dispersible granules product.
Embodiment 8 40% tralkoxydim water-dispersible granules
Processing method is identical with embodiment 7.
Embodiment 9 40% tralkoxydim water-dispersible granules
Processing method is identical with embodiment 7.
Embodiment 10 40% tralkoxydim water-dispersible granules (no stabilizing agent)
Processing method is identical with embodiment 7.
Embodiment 11 50% tralkoxydim water-dispersible granules
Processing method is identical with embodiment 7.
Embodiment 12 stability tests
Test the various embodiments described above stability of formulation is carried out the test of two control samples (being commercially available) simultaneously.Test condition is: stored 14 days in 54 ± 2 ℃ of constant temperature ovens.Content by after the liquid-phase chromatographic analysis storage, utilize following formula to calculate the resolution ratio (X) of active constituent:
In the formula: M
0--the percentage composition before the storage of-sample heat, %;
M
1--the percentage composition after the storage of-sample heat, %.
Test result is listed in table 1.
The test of table 1 embodiment heat storage stability
From table, can find out that the former medicine resolution ratio of 97% tralkoxydim is 5.8%, not add the resolution ratio of its former medicine of preparation of oleate base polymer greater than 5%; And behind the oleate base polymer that adding the present invention selects for use, the preparation resolution ratio has obviously improved the stability of tralkoxydim all less than 5%.
Embodiment 13 biological activity tests
Under greenhouse experiment, utilize potted plant Test Research embodiment 8-10 and commercially available 40% tralkoxydim water-dispersible granules sample in contrast, barnyard grass grass activity is compared test.
Experimental technique: examination material plant: barnyard grass grass [Echinochloa crus-galli (L.) Beauv].It highly is in the Disposable paper cup of 9cm that quantitative barnyard grass grass seed is sowed at, and broadcasts back earthing 0.5cm, and suppression, trickle are placed in the greenhouse and cultivate according to a conventional method.Treat that barnyard grass grass 3 leaves during the phase, 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 500L/ha, crawler belt speed 1.48km/h).Test repeats 4 times.Processing is placed on handling hall, treat the soup natural air drying after, be put in the greenhouse management according to a conventional method, observe that also the record weeds are to the response situation of medicament, periodical visual inspection investigation medicament is to the preventive effect of weeds.Experimental result sees Table 2.
Table 2 40% tralkoxydim water-dispersible granules is to the range estimation preventive effect result (handling back 15 days) of barnyard grass grass
Data can be found out from table, and significantly better than the embodiment 10 that does not add stabilizing agent and control sample, this shows that the fatty acid ester base polymer can also play certain synergistic effect to the activity of weeding of embodiment 8, embodiment 9 when low than dosage.
Claims (5)
1. tralkoxydim composition, contain tralkoxydim or its agricultural upward acceptable salt, stabilizing agent, surfactant and carrier, the composition of each component and weight percentage are as follows in the composition: tralkoxydim 5-70%, stabilizing agent 0.1-30%, surfactant 1-30%, carrier 1-60%; Described stabilizing agent is selected from one or more fatty acid ester base polymers.
2. composition according to claim 1, it is characterized in that: the composition of each component and weight percentage are as follows in the composition: tralkoxydim 10-50%, stabilizing agent 1-20%, surfactant 1-30%, carrier 10-60%.
3. composition according to claim 1, it is characterized in that: the composition of each component and weight percentage are as follows in the composition: tralkoxydim 10-50%, stabilizing agent 1-10%, surfactant 1-30%, carrier 20-60%.
4. according to claim 1,2 or 3 described compositions, it is characterized in that: described stabilizing agent is selected from one or more oleate base polymers.
5. composition according to claim 4 is characterized in that: but the formulation of composition is missible oil, soluble liquid wet-milling, aqueous emulsion, microemulsion, suspending agent or water-dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100290912A CN103238597A (en) | 2012-02-10 | 2012-02-10 | Tralkoxydim composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100290912A CN103238597A (en) | 2012-02-10 | 2012-02-10 | Tralkoxydim composition |
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| CN103238597A true CN103238597A (en) | 2013-08-14 |
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| CN2012100290912A Pending CN103238597A (en) | 2012-02-10 | 2012-02-10 | Tralkoxydim composition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548825A (en) * | 2013-11-14 | 2014-02-05 | 联保作物科技有限公司 | Herbicidal composition and preparation thereof |
| CN104770386A (en) * | 2015-04-02 | 2015-07-15 | 安徽丰乐农化有限责任公司 | Post-seedling compound herbicide for wheat seedlings |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007050090A1 (en) * | 2005-10-28 | 2007-05-03 | Valent U.S.A. Corporation | Herbicidal compositions |
| CN101094592A (en) * | 2004-10-28 | 2007-12-26 | 瓦伦特美国有限公司 | Herbicidal compositions |
| WO2009012979A2 (en) * | 2007-07-24 | 2009-01-29 | Syngenta Participations Ag | Herbicidal compositions comprising pyroxsulam and a fatty acid alkyl ester |
| CN101562978A (en) * | 2006-10-27 | 2009-10-21 | 先正达参股股份有限公司 | Herbicidal compositions |
-
2012
- 2012-02-10 CN CN2012100290912A patent/CN103238597A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094592A (en) * | 2004-10-28 | 2007-12-26 | 瓦伦特美国有限公司 | Herbicidal compositions |
| WO2007050090A1 (en) * | 2005-10-28 | 2007-05-03 | Valent U.S.A. Corporation | Herbicidal compositions |
| CN101562978A (en) * | 2006-10-27 | 2009-10-21 | 先正达参股股份有限公司 | Herbicidal compositions |
| WO2009012979A2 (en) * | 2007-07-24 | 2009-01-29 | Syngenta Participations Ag | Herbicidal compositions comprising pyroxsulam and a fatty acid alkyl ester |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548825A (en) * | 2013-11-14 | 2014-02-05 | 联保作物科技有限公司 | Herbicidal composition and preparation thereof |
| CN103548825B (en) * | 2013-11-14 | 2015-10-28 | 联保作物科技有限公司 | A kind of Herbicidal combinations and preparation thereof |
| CN104770386A (en) * | 2015-04-02 | 2015-07-15 | 安徽丰乐农化有限责任公司 | Post-seedling compound herbicide for wheat seedlings |
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Effective date of registration: 20160115 Address after: 110021 Liaodong Road, Tiexi District, Liaoning, No. 8-1, No. Applicant 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 Applicant before: Sinochem Corporation Applicant before: Shenyang Research Institute of Chemical Industry |
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Application publication date: 20130814 |