CN103766358B - The agricultural chemicals suspension agent of pest control - Google Patents
The agricultural chemicals suspension agent of pest control Download PDFInfo
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- CN103766358B CN103766358B CN201310743517.5A CN201310743517A CN103766358B CN 103766358 B CN103766358 B CN 103766358B CN 201310743517 A CN201310743517 A CN 201310743517A CN 103766358 B CN103766358 B CN 103766358B
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Abstract
The present invention relates to a kind of agricultural chemicals suspension agent of pest control, be made up of following materials by weight percentage: piperazine worm pyridine 15-25%; Avermectin 15-25%; Ethylene glycol 4-8%; Bentonite 0.05-0.15%; Surfactant 4-8%; Surplus is water.The agricultural chemicals suspension agent of pest control of the present invention has higher suspension rate, stable during long-term storage, can be used in control plant hopper and aphid.
Description
Technical field
The present invention relates to a kind of agricultural chemicals suspension agent of pest control.
Background technology
The pyridine of piperazine worm, chemical name: 1-((6-chloropyridine-3-base) methyl)-5-propoxyl group-7-methyl-8-nitro-1,2,3,5,6,7-six hydrogen imidazo [1,2-a] pyridine.The pyridine of piperazine worm is new and effective, low toxicity, wide spectrum anabasine insecticide, is mainly used in preventing and treating homoptera pest, has good control efficiency to rice fulgorid.This medicament can be widely used in the control of the various crop insects such as fruit tree, wheat, soybean, vegetables, paddy rice and corn.
Avermectin, Chinese synonym: abamectin; Avermectin; White mite is clean; Desinsection element; A Ling; Pungent Ah's missible oil; English name: Abamectin, No. CAS: 71751-41-2.Avermectin is that the class first developed by Japanese North university large village intelligence etc. and Merck company of the U.S. has desinsection, kills mite, ten hexa-atomic Macrocyclic lactone compounds of eelworm-killing activity, is fermented produce by Avid kyowamycin Streptomycesavermitilis in streptomycete.Avermectin has stomach toxicity and action of contace poison to mite class and insect, can not ovicidal.Mechanism of action and general insecticide, unlike disturbing neurophysiology movable, stimulate release γ-aminobutyric acid, and aminobutyric acid have inhibitory action to arthropodan nerve conduction.
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) also known as aqueous suspension agent, colloidal suspending agent, concentrated suspension, be under surfactant and other promoter effects, the former medicine being insoluble to or being insoluble in water be distributed in water, form uniform and stable thick suspension system.Because its dispersion medium is water, thus suspending agent to have cost low, to produce, the feature such as storing and use safety, and easily mix with water, easy to use.Compared with taking organic solvent as the formulations of pesticide of 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 agricultural chemicals suspension agent of pest control.
Technical problem to be solved by this invention is achieved by the following technical solution:
The agricultural chemicals suspension agent of pest control, comprises the raw material of following weight percentage: piperazine worm pyridine 15-25%; Avermectin 15-25%.
The agricultural chemicals suspension agent of pest control, is made up of following materials by weight percentage: piperazine worm pyridine 15-25%; Avermectin 15-25%; Ethylene glycol 4-8%; Bentonite 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, is made up of 70-90 weight portion disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and poly-(Oxy-1, the 2-ethylidene) non-ionic surface active agent of 10-30 weight portion α-[three (phenyl methyl) phenyl]-ω-hydroxyl.
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, English name: SodiumLaurylDiphenylEtherDisulfonate, 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: (C2H4O) nC27H24O.English name: .alpha.-[tris
(Phenylmethyl)phenyl]-.omega.-hydroxy-poly(oxy-1,2-ethanediyl)Nonionicsurfactant。
α-[three (phenyl methyl) phenyl]-ω-hydroxyl gathers (Oxy-1,2-ethylidene) non-ionic surface active agent, former being mainly used in suppresses the corrosion in linear cutter and galvano-cautery, sludge in softening working groove, is used as rust-inhibiting additive in low-speed WEDM production process.In prior art, do not have and this raw material is used for any technology enlightenment that agricultural chemicals reagent plays dispersion moistening effect.
Agricultural chemicals suspension agent easily produces a large amount of bubble in process, may affect metering and the packaging of preparation.Therefore, the defoamer of 0.1-0.7wt% can be added in formula, the method such as ultrasonic, vacuum defoamation can certainly be adopted in process of production to carry out froth breaking, and not need to add defoamer.Mould inhibitor or pH adjusting agent can also be added according to actual needs in formula.
The agricultural chemicals suspension agent of pest control of the present invention, the i.e. pyridine of piperazine worm and abamectin compounded insecticidal suspending agent, the general method in this area can be adopted to be prepared, and one is ultramicro grinding method (also known as wet grinding), and another kind is coacervation (also known as hot melt-dispersion method).
Ultramicro grinding method:
(1) according to formula, the pyridine of piperazine worm, Avermectin, ethylene glycol, bentonite, surfactant and water are uniformly mixed 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 μm.
(3) be placed in homogenizer homogeneous, make particle homogenization.
Suspension refers to that former powder of dispersion keeps the ability of suspension time length in suspension, usually represents with suspensibility.A good suspending agent, should have good storage stability, namely higher suspensibility.
The agricultural chemicals suspension agent of pest control of the present invention has higher suspension rate, stable during long-term storage, can be used in control plant hopper and aphid.
Embodiment
Embodiment 1
(1) according to formula, the pyridine of piperazine worm, Avermectin, ethylene glycol, bentonite, surfactant and water are uniformly mixed 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 μm.
(3) be placed in homogenizer homogeneous, make particle homogenization.
Obtained suspending agent, the liquid of outward appearance thickness homogeneous phase, measure through Malvern laser fineness gage, its average grain diameter (D50) is 2.6 μm, and D90 is 4.4 μm.
Table 1: the agricultural chemicals suspension agent formula table unit of pest control: kilogram
Embodiment 2
Take raw material by table 1 corresponding embodiment 2 data, be prepared by the method for embodiment 1.
Obtained suspending agent, the liquid of outward appearance thickness homogeneous phase, measure through Malvern laser fineness gage, its average grain diameter (D50) is 2.7 μm, and D90 is 4.8 μm.
Embodiment 3
Take raw material by table 1 corresponding embodiment 3 data, be prepared by the method for embodiment 1.
Obtained suspending agent, the liquid of outward appearance thickness homogeneous phase, measure through Malvern laser fineness gage, its average grain diameter (D50) is 2.5 μm, and D90 is 4.5 μm.
High temperature storage 14 days under room temperature storage 14 days, 54 DEG C ± 2 DEG C conditions respectively, adopt " GB/T14825-2006 agricultural-chemical suspension rate assay method " to survey suspensibility, concrete data see the following form 2.As suspensibility >85%, then think that this product is certified products.
Table 2: agricultural-chemical suspension rate determination data list position: %
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Room temperature storage is after 14 days | 98.2 | 97.3 | 95.8 |
| High temperature storage is after 14 days | 95.4 | 94.6 | 92.9 |
The agricultural chemicals suspension agent of pest control of the present invention, suspensibility is high, plate-out ability and good penetrability, and properties of product are stablized.
In the present invention, poly-(the Oxy-1 of α-[three (phenyl methyl) phenyl]-ω-hydroxyl being originally used for rust-inhibiting additive in a creative way, 2-ethylidene) non-ionic surface active agent is diverted in insecticidal suspending agent, plays dispersion moistening effect.Especially, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and α-[three (phenyl methyl) phenyl]-ω-hydroxyl are gathered (Oxy-1,2-ethylidene) non-ionic surface active agent composite, Synergistic, effectively improves suspensibility.
Claims (1)
1. the agricultural chemicals suspension agent of pest control, is made up of following materials by weight percentage: piperazine worm pyridine 15-25%; Avermectin 15-25%; Ethylene glycol 4-8%; Bentonite 0.05-0.15%; Surfactant 4-8%; Surplus is water;
Described surfactant is made up of 70-90 weight portion disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and poly-(Oxy-1, the 2-ethylidene) non-ionic surface active agent of 10-30 weight portion α-[three (phenyl methyl) phenyl]-ω-hydroxyl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743517.5A CN103766358B (en) | 2013-12-28 | 2013-12-28 | The agricultural chemicals suspension agent of pest control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743517.5A CN103766358B (en) | 2013-12-28 | 2013-12-28 | The agricultural chemicals suspension agent of pest control |
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| Publication Number | Publication Date |
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| CN103766358A CN103766358A (en) | 2014-05-07 |
| CN103766358B true CN103766358B (en) | 2016-04-20 |
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| CN201310743517.5A Expired - Fee Related CN103766358B (en) | 2013-12-28 | 2013-12-28 | The agricultural chemicals suspension agent of pest control |
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| CN112010787A (en) * | 2020-07-29 | 2020-12-01 | 上海科沣新材料有限公司 | Agricultural preparation dispersant, preparation method and application thereof |
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| CN1295228C (en) * | 2004-11-23 | 2007-01-17 | 华东理工大学 | Nitryl methylene derivatives and uses thereof |
| EP1997820A4 (en) * | 2006-03-09 | 2009-03-04 | Univ East China Science & Tech | Preparation method and use of compounds having high biocidal activities |
| CN101669492B (en) * | 2009-10-16 | 2012-12-12 | 深圳诺普信农化股份有限公司 | Synergic agricultural pesticide composition |
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Effective date of registration: 20181121 Address after: 404500 Xinghua Road, Shuangjiang Street, Yunyang County, Chongqing Patentee after: Yunyang County Productivity Promotion Center Address before: 201111 E2128 first, 5500 Yuanjiang Road, Minhang District, Shanghai. Patentee before: Shanghai Yanzi Chemical Technology Co., Ltd. |
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Granted publication date: 20160420 Termination date: 20191228 |
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