CN103766362A - Pesticide suspension agent for preventing and treating rice diseases - Google Patents
Pesticide suspension agent for preventing and treating rice diseases Download PDFInfo
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- CN103766362A CN103766362A CN201310740853.4A CN201310740853A CN103766362A CN 103766362 A CN103766362 A CN 103766362A CN 201310740853 A CN201310740853 A CN 201310740853A CN 103766362 A CN103766362 A CN 103766362A
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Abstract
The invention relates to a pesticide suspension agent for preventing and treating rice diseases. The pesticide suspension agent is prepared from the following raw materials in percentage by weight: 15-25 percent of fenoxanil, 15-25 percent of thiram, 4-8 percent of diethylene glycol, 0.05-0.15 percent of sodium polyacrylate, 4-8 percent of a surface active agent and the balance of water. The pesticide suspension agent for preventing and treating rice diseases has a high suspension percentage as well as good extensibility and permeability, and the product has stable performances.
Description
Technical field
The present invention relates to a kind of for preventing and treating the agricultural chemicals suspension agent of rice disease.
Background technology
Fenoxanil, common name: fenoxanil, chemical name: N-(1-itrile group-1,2-dimethyl propyl)-2-(2,4-dichlorophenoxy) propionamide, CAS registration number: 115852-48-7, belong to benzene oxanamide series bactericidal agent, its mechanism of action is melanin biosynthesis inhibitor, is mainly the activity that suppresses pillar spore ketone dehydrogenase, forms thereby suppress Pyricularia oryzae melanin.There is good interior absorption and remarkable wholesomeness, after dispenser, the blade of new expansion is also had to very good effect.
Tmtd, chemical name: tetramethyl thiuram disulfide, No. CAS: 137-26-8.Belong to low toxicity bactericide, skin and mucous membrane are had to spread effect.Can treat the mushrooms such as epidemic disease catches.
Agricultural chemicals suspension agent is the formulation of 20 century 70 development, has now become one of basic processing formulation.Suspending agent (Suspensionconcentrates, be called for short SC) claim again aqueous suspension agent, colloidal suspending agent, concentrated suspension, be under surfactant and other promoter effects, the former medicine that is insoluble to or is insoluble in water is distributed in water, form uniform and stable thick suspension system.Because its dispersion medium is water, so that suspending agent has cost is low, produce, storing and use the features such as safety, and easily mix with water, easy to use.Compared with the formulations of pesticide take organic solvent as medium, there is the advantages such as little to environmental influence of poisoning be light.
Summary of the invention
For solving the deficiencies in the prior art, technical problem to be solved by this invention is to provide a kind of for preventing and treating the agricultural chemicals suspension agent of rice disease.
Technical problem to be solved by this invention is achieved by the following technical solution:
For preventing and treating the agricultural chemicals suspension agent of rice disease, comprise the raw material of following weight percentage: fenoxanil 15-25%; Tmtd 15-25%.
For preventing and treating the agricultural chemicals suspension agent of rice disease, formed by following materials by weight percentage: fenoxanil 15-25%; Tmtd 15-25%; Diethylene glycol 4-8%; Sodium Polyacrylate 0.05-0.15%; Surfactant 4-8%; Surplus is water.
Described surfactant is poly-(Oxy-1, the 2-ethylidene) non-ionic surface active agent of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and/or α-[three (phenyl methyl) phenyl]-ω-hydroxyl.
Described surfactant, by 70-90 weight portion disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and poly-(Oxy-1,2-ethylidene) non-ionic surface active agent composition of 10-30 weight portion α-[three (phenyl methyl) phenyl]-ω-hydroxyl.
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, English name: Sodium Lauryl Diphenyl Ether Disulfonate, No. CAS: 7575-62-4.
α-[three (phenyl methyl) phenyl]-ω-hydroxyl gathers (Oxy-1,2-ethylidene) non-ionic surface active agent, CAS:64422-66-8, molecular formula: (C
2h
4o)
nc
27h
24o.English name: .alpha.-[tris
(Phenylmethyl)phenyl]-.omega.-hydroxy-poly(oxy-1,2-ethanediyl)Nonionic?surfactant。
α-[three (phenyl methyl) phenyl]-ω-hydroxyl gathers (Oxy-1,2-ethylidene) non-ionic surface active agent, formerly be mainly used in suppressing corrosion and the galvano-cautery in line cutting processing, sludge in softening working groove is used as rust-inhibiting additive in the silk thread of being careful cuts production process.In prior art, there is not any technology enlightenment of this raw material being played to dispersion moistening effect for agricultural chemicals reagent.
Agricultural chemicals suspension agent easily produces a large amount of bubbles in process, may affect metering and the packing of preparation.Therefore, can in formula, add the defoamer of 0.1-0.7wt%, can certainly adopt in process of production the method such as ultrasonic, vacuum defoamation to carry out froth breaking, and not need to add defoamer.Can also in formula, add according to actual needs mould inhibitor or pH adjusting agent.
Of the present inventionly can adopt the general method in this area to be prepared for preventing and treating the agricultural chemicals suspension agent of rice disease, one is ultramicro grinding method (also claiming wet grinding), and another kind is coacervation (also claiming hot melt-dispersion method).
Ultramicro grinding method:
(1) according to formula, fenoxanil, tmtd, diethylene glycol, Sodium Polyacrylate, surfactant and water are uniformly mixed to pulp thing, are placed in ball mill and pulverize.
(2) be placed in skin grinder and carry out ultramicro grinding, control average grain diameter≤4 μ m.
(3) be placed in homogenizer homogeneous, make particle homogenising.
Suspension refers to that former powder of dispersion keeps the ability of suspension time length in suspension, represents with suspensibility conventionally.A good suspending agent, should have good storage stability, i.e. higher suspensibility.
Of the present invention have higher suspension rate for preventing and treating the agricultural chemicals suspension agent of rice disease, long-term stable storage.
Embodiment
Embodiment 1
(1) according to formula, fenoxanil, tmtd, diethylene glycol, Sodium Polyacrylate, surfactant and water are uniformly mixed to pulp thing, are placed in ball mill and pulverize.
(2) be placed in skin grinder and carry out ultramicro grinding, control average grain diameter≤4 μ m.
(3) be placed in homogenizer homogeneous, make particle homogenising.
The suspending agent making, the liquid of outward appearance thickness homogeneous phase, measures through Ma Erwen laser fineness gage, and its average grain diameter (D50) is 3.0 μ m, and D90 is 4.8 μ m.
Table 1: for preventing and treating the agricultural chemicals suspension agent formula table unit of rice disease: kilogram
Embodiment 2
Take raw material by corresponding embodiment 2 data of table 1, be prepared by the method for embodiment 1.
The suspending agent making, the liquid of outward appearance thickness homogeneous phase, measures through Ma Erwen laser fineness gage, and its average grain diameter (D50) is 2.9 μ m, and D90 is 4.9 μ m.
Embodiment 3
Take raw material by corresponding embodiment 3 data of table 1, be prepared by the method for embodiment 1.
The suspending agent making, the liquid of outward appearance thickness homogeneous phase, measures through Ma Erwen laser fineness gage, and its average grain diameter (D50) is 3.1 μ m, and D90 is 4.7 μ m.
High temperature storage 14 days under 14 days, 54 ℃ ± 2 ℃ conditions of room temperature storage respectively, adopts " GB/T14825-2006 agricultural-chemical suspension rate assay method " to survey suspensibility, and concrete data see the following form 2.In the time of suspensibility >85%, think that this product is certified products.
Table 2: agricultural-chemical suspension rate determination data list position: %
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| After room temperature storage 14 days | 97.7 | 97.2 | 95.5 |
| After high temperature storage 14 days | 94.8 | 94.0 | 92.6 |
It is of the present invention that for preventing and treating the agricultural chemicals suspension agent of rice disease, suspensibility is high, plate-out ability and good penetrability, and properties of product are stable.
In the present invention, in a creative way by poly-α-[three (phenyl methyl) phenyl]-ω-hydroxyl that is originally used for rust-inhibiting additive (Oxy-1,2-ethylidene) non-ionic surface active agent is diverted in insecticidal suspending agent, plays dispersion moistening effect.Especially, by composite to disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and poly-(Oxy-1, the 2-ethylidene) non-ionic surface active agent of α-[three (phenyl methyl) phenyl]-ω-hydroxyl, Synergistic, effectively improves suspensibility.
Claims (4)
1. for preventing and treating the agricultural chemicals suspension agent of rice disease, comprise the raw material of following weight percentage: fenoxanil 15-25%; Tmtd 15-25%.
2. for preventing and treating the agricultural chemicals suspension agent of rice disease, formed by following materials by weight percentage: fenoxanil 15-25%; Tmtd 15-25%; Diethylene glycol 4-8%; Sodium Polyacrylate 0.05-0.15%; Surfactant 4-8%; Surplus is water.
3. as claimed in claim 2 for preventing and treating the agricultural chemicals suspension agent of rice disease, it is characterized in that: described surfactant is poly-(Oxy-1, the 2-ethylidene) non-ionic surface active agent of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and/or α-[three (phenyl methyl) phenyl]-ω-hydroxyl.
4. as claimed in claim 3 for preventing and treating the agricultural chemicals suspension agent of rice disease, it is characterized in that: described surfactant, by 70-90 weight portion disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and poly-(Oxy-1,2-ethylidene) non-ionic surface active agent composition of 10-30 weight portion α-[three (phenyl methyl) phenyl]-ω-hydroxyl.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740853.4A CN103766362B (en) | 2013-12-28 | 2013-12-28 | For preventing and treating the agricultural chemicals suspension agent of rice disease |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310740853.4A CN103766362B (en) | 2013-12-28 | 2013-12-28 | For preventing and treating the agricultural chemicals suspension agent of rice disease |
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| CN103766362A true CN103766362A (en) | 2014-05-07 |
| CN103766362B CN103766362B (en) | 2016-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285991A (en) * | 2014-09-28 | 2015-01-21 | 江苏省绿盾植保农药实验有限公司 | Composite fungicide containing thiram and isoprothiolane and application of composite fungicide |
| CN106386809A (en) * | 2016-08-31 | 2017-02-15 | 江苏长青生物科技有限公司 | High content fenoxanil suspension agent and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090018176A1 (en) * | 2005-09-13 | 2009-01-15 | Bayer Cropscience Ag | Fungicide composition comprising an arylamidine derivative and two known fungicide compounds |
| CN101755787A (en) * | 2009-11-10 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Fungicidal composition containing fenoxanil |
-
2013
- 2013-12-28 CN CN201310740853.4A patent/CN103766362B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090018176A1 (en) * | 2005-09-13 | 2009-01-15 | Bayer Cropscience Ag | Fungicide composition comprising an arylamidine derivative and two known fungicide compounds |
| CN101755787A (en) * | 2009-11-10 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Fungicidal composition containing fenoxanil |
Non-Patent Citations (1)
| Title |
|---|
| 大岛龙吉: ""农药用表面活性剂"", 《农药译丛》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285991A (en) * | 2014-09-28 | 2015-01-21 | 江苏省绿盾植保农药实验有限公司 | Composite fungicide containing thiram and isoprothiolane and application of composite fungicide |
| CN104285991B (en) * | 2014-09-28 | 2016-05-18 | 江苏丘陵地区镇江农业科学研究所 | A kind of compound disinfectant that contains thiram and Isoprothiolane and application thereof |
| CN106386809A (en) * | 2016-08-31 | 2017-02-15 | 江苏长青生物科技有限公司 | High content fenoxanil suspension agent and preparation method thereof |
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| CN103766362B (en) | 2016-03-30 |
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Effective date of registration: 20181116 Address after: 401120 3rd floor, Building 11, Jingkai District, Guanyan Village, Lianglu Road, Yubei District, Chongqing Patentee after: CHONGQING GOLUTE NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 201111 E2128 first, 5500 Yuanjiang Road, Minhang District, Shanghai. Patentee before: Shanghai Yanzi Chemical Technology Co., Ltd. |
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