CN101911955A - Biogenic acaricidal water suspension composition and preparation method thereof - Google Patents
Biogenic acaricidal water suspension composition and preparation method thereof Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a biogenic acaricidal water suspension composition and a preparation method thereof. In the preparation method, tap water is used as a medium, abamectin is pulverized by a wet method under the action of a wetting agent and a dispersing agent to form abamectin water suspensoid, wintergreen oil, eucalyptus oil, an emulsifier, a thickener, a stabilizer and an antifreeze are added into the water suspensoid sequentially, the mixture is homogenized and emulsified through a high-shear mixing emulsion machine, the emulsion is mixed fully to obtain the final water suspension, namely the biogenic acaricidal water suspension composition. Effective ingredients of the biogenic acaricidal water suspension composition are suspended in water in form of fine granules, so the biogenic acaricidal water suspension composition has the strong adhesive force and seepage force on body surfaces of plants and insects, resists rain erosion, gives full play to the medicinal effect and reduces environmental pollution. Therefore, the biogenic acaricidal water suspension composition is excellent acaricide for preventing and controlling crop mites.
Description
Technical field
The present invention relates to the biogenic pesticide miticide, more particularly, the present invention relates to a kind of biogenic acaricidal water suspension composition.Simultaneously, the invention still further relates to the preparation method of this biogenic acaricidal water suspension composition.
Background technology
The evil mite is the main pest of crops such as harm flowers, fruit tree, vegetables, and the crops that are subjected to the harm of mite class directly cause fallen leaves, bud drop, shedding, the gently then underproduction, and heavy then mistake is received or whole strain death, causes great economic loss.For effectively control mite class harm, main method is a large amount of chemical miticides that spray at present, and chemistry is acaricidal excessively to be used and abuse, directly cause natural enemy to be killed, the pesticide resistance of evil mite is multiplied, and harm is rampant more, has formed anti-more heavy more vicious circle; Cause also that the farming of farmland ecological environment destruction, widespread pollution from the overuse of fertilizers and pesticides in rural area and agricultural product residually exceeds standard, a series of adverse consequencess of degradation under the quality.Biogenic pesticide owing to have easy degraded, advantage such as environmentally friendly enjoys people to pay attention to, as one of replacement scheme of chemical control, the friendly type biogenic of development environment mite-killing preparation, significant in agricultural production.
Avermectin is a kind of new antibiotic class ten hexa-atomic Macrocyclic lactone compounds with desinsection, acaricidal activity that produced by streptomyces griseus fermentation in the streptomycete, the pest mite had good tagging and stomach poison function, simultaneously plant leaf blade there is very strong penetration, can kills subepidermal insect mite.Though predatism and parasite there are direct killing effect, because of plant surface is residual few, thus little to the damage of natural enemy, be a kind of good microbial source insecticidal/acaricidal agent.Wintergreen is that a kind of leaf extraction from holly obtains natural plant essential oils, is widely used in field of fine chemical as solvent, also is used for the spices of medicine and preparation soap, toothpaste, candy etc.; At pesticide field, monarch waits (1997) to measure the stifling killing effect of wintergreen to Tetranychus cinnabarinus, its LC just now
50Only be 0.2894mg/L, under 5mg/L concentration, fumigated 24 hours that lethality reaches 100%, use but wintergreen never is used as pesticide developing.Eucalyptus oil be from trees such as blue gum, camphor trees branch, extract the plants essential oil that obtains the leaf, the odorant of Chang Zuowei cough syrup, chewing gum, gargle, toothpaste, air sanitizer etc., simultaneously be used for pharmaceutical products in a large number, field of medicaments discovers in recent years, eucalyptus oil is a kind of skin penetration enhancer of function admirable, even compare with the skin penetration enhancer azone of classics, still have better Transdermal absorption facilitation, but the report of present used as pesticides skin penetration enhancer still of no use aspect.
At present there are the single agent of numerous Avermectin in China and obtain to register on agricultural insect pests controls such as diamond-back moth, liriomyza bryoniae with the complex preparation of chemical pesticide combination, but be missible oil or the microemulsion that contains aromatic hydrocarbon organic solvent or poisonous and harmful organic cosolvents such as cyclohexanone, DMF basically, these products or exist the pollution of organic solvent to environment, or lose the advantage of biogenic pesticide because of containing the chemical pesticide composition.And use the single agent to preventing and controlling pest mite of Avermectin for a long time, there is high pesticide resistance risk, research and development can reduce resistance risk, increase the service life, and have the environmentally friendly compound formulation of natural products characteristic again, are the keys that Avermectin is applied to agriculture control of pest mite.
A large amount of research and biologicall test test are found, though wintergreen has certain gap to the biologically active of tetranychid with bibliographical information, but its killing effect remains more satisfactory, particularly with abamectin compounded, has unexpected synergistic effect, use at the same time under the condition of eucalyptus oil as skin penetration enhancer, co-toxicity coefficient is up to 182.66, has significant synergies.Relevant field control effectiveness test shows, its control efficiency still can reach more than 95% after the dispenser in 15 days.Research and development Avermectin wintergreen eucalyptus oil aqueous suspension agent has broad prospect of application and important economy, society and ecological significance.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, overcome on the one hand biogenic pesticide and the natural products agricultural chemicals advantage lost composite with chemical pesticide, avoid aromatic hydrocarbon organic solvent and cyclohexanone in missible oil and the microemulsion product on the other hand, poisonous and harmful organic cosolvents such as DMF are to the contamination hazard of environment, providing a kind of is active ingredient by microbial source insecticidal/acaricidal agent Avermectin and plants essential oil wintergreen, eucalyptus oil is a skin penetration enhancer, at wetting agent, emulsifier, dispersant, thickener, under the synergy of stabilizing agent and antifreezing agent, with the biogenic acaricidal water suspension composition of water as medium from the beginning.Simultaneously, the invention provides a kind of preparation method of this biogenic acaricidal water suspension composition.
Purpose of the present invention is achieved by following technical proposals:
Biogenic acaricidal water suspension composition of the present invention, said composition is composed of the following components by weight percentage:
Avermectin 0.5～3.0%, wintergreen 2～12%, eucalyptus oil 1.5～9%, wetting agent 0.5～1.5%, emulsifier 5～15%, dispersant 1～6%, thickener 0.1～1.5%, the running water of stabilizing agent 0.2%～2%, antifreezing agent 1%～3% and surplus.
Wherein: active ingredient is made up of Avermectin, wintergreen, and eucalyptus oil is a skin penetration enhancer.Described wetting agent is selected from a kind of in octyl phenol APEO (OP-10), the styryl phenyl APEO (agricultural emulsifier NO).Emulsifier is selected from a kind of in styryl phenyl APEO (farming breast breast No. 600), alkyl phenol formaldehyde resin polyoxyethylene ether (Nongru-700 number), phenethyl phenyl polyoxyethylene poly-oxygen propylene aether (No. 1600, farming breast), styryl phenol formaldehyde resin polyoxyethylene-polyoxypropylene block type polyethers (No. 33, peaceful breast), styrene phenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether (No. 34, peaceful breast), the styryl phenol formaldehyde resin APEO (No. 37, peaceful breast) or their mixture.Dispersant is selected from a kind of in sodium lignin sulfonate, Negel, nekal, benzyl naphthalene sulfonate and formaldehyde condensation compound, polyvinylpyrrolidone, the Sodium Polyacrylate or their mixture.Described thickener is selected from a kind of in carboxymethyl cellulose, sodium carboxymethylcellulose, polyvinyl alcohol, xanthans, gum Arabic, bentonite, the white carbon.Described stabilizing agent is selected from a kind of among tributyl phosphate, triphenyl phosphite or the BHT.Described antifreezing agent is selected from a kind of in propane diols, polyethylene glycol or the glycerine.
The invention provides a kind of preparation method of biogenic acaricidal water suspension composition, this method comprises the step of following order:
(1) slurrying: earlier with running water with wetting agent, dispersant dissolving, add the former medicine of Avermectin then, make fully wetting after, through colloid mill grind paste mixture;
(2) waterproof pulverization: above-mentioned paste mixture is pumped into sand mill or the machine of delaminating, carry out waterproof pulverization, obtain qualified Avermectin water suspension;
(3) emulsifying: the Avermectin water suspension is pumped into high-shear mixer, add wintergreen, eucalyptus oil, emulsifier, thickener, stabilizing agent and antifreezing agent then successively, start clipper, emulsification pretreatment 30～60 minutes, obtain particle diameter at the drop of 3～5 mu m ranges and particle greater than 90%, but appearance off-white or milky circulating water suspended substance are required biogenic acaricidal water suspension composition.
Compared with prior art, the present invention has following outstanding advantage:
1, active ingredient is made up of microbial source miticide and edible or medical plants essential oil, belongs to the biogenic natural products, all is easy to degraded in environment and agricultural product, helps environmental protection and reduces residue of pesticide.
2, synergistic effect is remarkable, can effectively reduce the pesticide resistance risk, delays pesticide resistance and produces, and prolongs the Avermectin Acceptable life.
3, aqueous suspension agent is medium fully with water, does not contain the toxic aromatic hydrocarbon organic solvent or the petrochemical industry class cosolvent of contaminated environment, and is environmentally friendly.
4,, do not burn or explosion danger the production security height in production, storage and the transportation without organic solvent.
5, no bad stink in the sprinkling process, fruit phase medication is difficult for causing fruit drop and other poisoning at the florescence, and safety in utilization is good.
6, the aqueous suspension agent particle is tiny, strong adhesion, and resistance of rainwater washing against helps prolonging the lasting period, accomplishes a drug, long period control harm.
Embodiment
Be better explanation the present invention, below with example and biologicall test, the invention will be further described for the drug effect effect, but they are not limitations of the present invention.
Except as otherwise noted, the percentage that is adopted among the present invention is percetage by weight.
Embodiment 1
Product is formed 1. active ingredient: Avermectin 1.8%, wintergreen 5.4%, eucalyptus oil 3.6%; 2. wetting agent: agricultural emulsifier NO 0.5%; 3. emulsifier: farming breast No. 1,600 8%; 4. dispersant: nekal 1.5%, sodium lignin sulfonate 2%; 5. thickener: xanthans 0.2%; 6. stabilizing agent: BHT1.4%; 7. antifreezing agent: propane diols 1.5%, the running water of surplus.
The preparation method: in the reactor that band stirs, add running water, wetting agent, dispersant, after treating to dissolve fully, add the former medicine of Avermectin, make fully wetting after, get paste mixture through the colloid mill coarse crushing; Above-mentioned paste mixture is pumped into sand mill, carry out waterproof pulverization, till the particle of 3～5 mu m ranges is greater than 90%, obtain qualified Avermectin water suspension until particle diameter; The Avermectin water suspension is pumped into high-shear mixer, add wintergreen, eucalyptus oil, emulsifier, thickener, stabilizing agent, proportion conditioning agent and antifreezing agent then successively, start clipper, emulsification pretreatment 45 minutes promptly obtains appearance off-white, particle diameter and kills the mite aqueous suspension agent at the particle of 3～5 mu m ranges greater than 90% 10.8% Avermectin wintergreen eucalyptus oil.
Embodiment 2
Repeat embodiment 1, following difference is arranged: 1. active ingredient: Avermectin 3%, wintergreen 12%, eucalyptus oil 9%, 2. wetting agent: OP-101.5%; 3. emulsifier: agricultural emulsifier NO 15%; 4. dispersant: polyvinylpyrrolidone 1.5%; 5. thickener: polyvinyl alcohol 1%; 6. stabilizing agent: tributyl phosphate 2%; 7. antifreezing agent: glycerine 1%, the running water of surplus.
Embodiment 3～7
Preparation process is with identical with embodiment 2, just emulsifier is 5% styryl phenyl APEO (agricultural emulsifier NO) and a kind of compound use that is selected from alkyl phenol formaldehyde resin polyoxyethylene ether (Nongru-700 number), phenethyl phenyl polyoxyethylene poly-oxygen propylene aether (No. 1600, farming breast), styryl phenol formaldehyde resin polyoxyethylene-polyoxypropylene block type polyethers (No. 33, peaceful breast), styrene phenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether (No. 34, peaceful breast), styryl phenol formaldehyde resin APEO (No. 37, peaceful breast), emulsifier consumption 12%.
Embodiment 8～17
Preparation process is identical with embodiment 2, just emulsifier be 5% styryl phenyl APEO (agricultural emulsifier NO) with consumption 8% by alkyl phenol formaldehyde resin polyoxyethylene ether (Nongru-700 number), phenethyl phenyl polyoxyethylene poly-oxygen propylene aether (No. 1600, farming breast), styryl phenol formaldehyde resin polyoxyethylene-polyoxypropylene block type polyethers (No. 33, peaceful breast), styrene phenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether (No. 34, peaceful breast), the composition of the blended emulsifier of any two kinds of compositions in five kinds of emulsifier of styryl phenol formaldehyde resin APEO (No. 37, peaceful breast).
Embodiment 18-22
Preparation process is identical with embodiment 2, and just dispersant is a kind of in sodium lignin sulfonate, Negel, nekal, benzyl naphthalene sulfonate and formaldehyde condensation compound, the Sodium Polyacrylate, consumption 2.5%.
Embodiment 23-27
Preparation process is identical with embodiment 2, just dispersant is a kind of compound use in 0.5% sodium lignin sulfonate and alkyl naphthalene acid sodium, nekal, benzyl naphthalene sulfonate and formaldehyde condensation compound, polyvinylpyrrolidone, the Sodium Polyacrylate, consumption 1.5%.
Embodiment 28-33
Preparation process is identical with embodiment 2, and just thickener is a kind of consumption 0.5% in carboxymethyl cellulose, sodium carboxymethylcellulose, xanthans, gum Arabic, bentonite, the white carbon.
Embodiment 34
Avermectin 0.5%, wintergreen 2%, eucalyptus oil 1.5%, OP-100.5%, agricultural emulsifier NO 3%, farming breast No. 1,600 2.5%, peaceful breast No. 34 4%, sodium lignin sulfonate 1.5%, polyvinylpyrrolidone 1%, xanthans 0.2%, triphenyl phosphite 1.4%, polyethylene glycol 1.5%, the running water of surplus.
The preparation method: in the reactor that band stirs, add running water, OP-10, sodium lignin sulfonate and polyvinylpyrrolidone successively, stir, after treating to dissolve fully, add the former powder of Avermectin, fully wetting after, get paste mixture through the colloid mill coarse crushing; Above-mentioned paste mixture is pumped into the machine of delaminating, carry out waterproof pulverization, till the particle of 3～5 mu m ranges is greater than 90%, obtain qualified Avermectin water suspension until particle diameter; The Avermectin water suspension is pumped into high-shear mixer, add wintergreen, eucalyptus oil, agricultural emulsifier NO, No. 1600, farming breast, No. 34, peaceful breast, polyvinylpyrrolidone, xanthans, triphenyl phosphite, polyethylene glycol then successively, start clipper, emulsification pretreatment 30 minutes promptly obtains appearance off-white, particle diameter and kills the mite aqueous suspension agent at the particle of 3～5 mu m ranges greater than 90% 4% Avermectin wintergreen eucalyptus oil.
Embodiment 35
Avermectin 1.8%, eucalyptus oil 4.5%, wintergreen 5.5%, agricultural emulsifier NO 1.2%, farming breast No. 1,600 4%, peaceful breast No. 37 6%, peaceful breast No. 37 2.5%, Sodium Polyacrylate 1%, benzyl naphthalene sulfonate and formaldehyde condensation compound 1.8%, sodium carboxymethylcellulose 0.5%, the running water of BHT1.5%, glycerine 2% and surplus.
Preparation method: in the reactor that band stirs, add running water, agricultural emulsifier NO, Sodium Polyacrylate, benzyl naphthalene sulfonate and formaldehyde condensation compound successively, stir, after treating to dissolve fully, add the former powder of Avermectin, after fully wetting, get paste mixture through the colloid mill coarse crushing; Above-mentioned paste mixture is pumped into sand mill, carry out waterproof pulverization, till the particle of 3～5 mu m ranges is greater than 90%, obtain qualified Avermectin water suspension until particle diameter; The Avermectin water suspension is pumped into high-shear mixer, add wintergreen, eucalyptus oil, No. 1600, farming breast, No. 34, peaceful breast, No. 37, peaceful breast, Sodium Polyacrylate, benzyl naphthalene sulfonate and formaldehyde condensation compound, sodium carboxymethylcellulose, BHT1.5% and glycerine then successively, start clipper, emulsification pretreatment 60 minutes promptly obtains appearance off-white, particle diameter and kills the mite aqueous suspension agent at the particle of 3～5 mu m ranges greater than 90% 11.8% Avermectin wintergreen eucalyptus oil.
The prepared biogenic acaricidal water suspension of the present invention reaches following quality standard:
1, outward appearance is canescence or milky thick liquid;
2, active constituent content: 4-24%;
3, suspensibility: more than or equal to 90%;
4, bleed rate: be less than or equal to 10%;
5, pourability: maximum residue is smaller or equal to 5%;
6, heat storage stability is qualified, and the Avermectin resolution ratio is less than 5%.
Biologicall test embodiment:
Avermectin wintergreen eucalyptus oil aqueous suspension agent is to the toxicity test of Chinese rose Tetranychus urticae
Drug effect test of field zone embodiment:
10.8% Avermectin wintergreen eucalyptus oil aqueous suspension agent control Chinese rose tetranychid field control effectiveness test result
10.8% Avermectin wintergreen eucalyptus oil aqueous suspension agent control oranges and tangerines tetranychid field control effectiveness test result
Claims (7)
1. biogenic acaricidal water suspension composition, said composition is composed of the following components by weight percentage: Avermectin 0.5～3.0%, wintergreen 2～12%, eucalyptus oil 1.5～9%, wetting agent 0.5～1.5%, emulsifier 5～15%, dispersant 1～6%, thickener 0.1～1.5%, the running water of stabilizing agent 0.2%～2%, antifreezing agent 1%～3% and surplus.Described wetting agent is selected from a kind of in the octyl phenol APEO (OP-10), styryl phenyl APEO (No. 600, farming breast breast).
2. biogenic acaricidal water suspension composition according to claim 1, wherein said emulsifier is selected from styryl phenyl APEO (No. 600, farming breast breast), alkyl phenol formaldehyde resin polyoxyethylene ether (Nongru-700 number), phenethyl phenyl polyoxyethylene poly-oxygen propylene aether (No. 1600, farming breast), styryl phenol formaldehyde resin polyoxyethylene-polyoxypropylene block type polyethers (No. 33, peaceful breast), styrene phenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether (No. 34, peaceful breast), a kind of in the styryl phenol formaldehyde resin APEO (peaceful breast No. 37), or their mixture.
3. biogenic acaricidal water suspension composition according to claim 1, wherein said dispersant is selected from a kind of in sodium lignin sulfonate, Negel, nekal, benzyl naphthalene sulfonate and formaldehyde condensation compound, polyvinylpyrrolidone, the Sodium Polyacrylate or their mixture.
4. biogenic acaricidal water suspension composition according to claim 1, wherein said thickener are selected from a kind of in carboxymethyl cellulose, sodium carboxymethylcellulose, polyvinyl alcohol, xanthans, gum Arabic, bentonite, the white carbon.
5. biogenic acaricidal water suspension composition according to claim 1, wherein said stabilizing agent are selected from a kind of among tributyl phosphate, triphenyl phosphite or the BHT.
6. biogenic acaricidal water suspension composition according to claim 1, wherein said antifreezing agent are selected from a kind of in propane diols, polyethylene glycol or the glycerine.
7. the preparation method of the described biogenic acaricidal water suspension composition of claim 1, this method comprises the step of following order:
(1) slurrying: earlier with running water with wetting agent, dispersant dissolving, add the former medicine of Avermectin then, make fully wetting after, through colloid mill grind paste mixture;
(2) waterproof pulverization: above-mentioned paste mixture is pumped into sand mill or the machine of delaminating, carry out waterproof pulverization, obtain qualified Avermectin water suspension;
(3) emulsifying: the Avermectin water suspension is pumped into high shear emulsifying device, add eucalyptus oil, wintergreen, emulsifier, thickener, stabilizing agent and antifreezing agent then successively, start clipper, emulsification pretreatment 30～60 minutes, promptly obtain particle diameter the particle of 3～5 mu m ranges greater than 90%, appearance off-white or milky biogenic acaricidal water suspension composition.
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Cited By (7)
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| CN102283194A (en) * | 2011-08-12 | 2011-12-21 | 中化化工科学技术研究总院 | Suspending agent with synergic component and preparation method thereof |
| CN102988376A (en) * | 2012-10-23 | 2013-03-27 | 四川农业大学 | Fishery medicine of eucalyptus oil abamectin sub-microemulsion |
| CN103202289A (en) * | 2012-11-20 | 2013-07-17 | 北京农学院 | 1,2-dihydroxy-hexacosan-4-keton water suspending agent and preparation method thereof |
| CN103222462A (en) * | 2013-05-22 | 2013-07-31 | 广西田园生化股份有限公司 | Solvent composition for preparing organic phosphorus pesticide liquid preparation |
| CN105265427A (en) * | 2014-10-12 | 2016-01-27 | 安徽迪邦药业有限公司 | Preparation method for insecticide |
| CN106614797A (en) * | 2016-12-20 | 2017-05-10 | 重庆医学检验试剂研究所 | Composition for preventing and controlling red spiders and phyllocoptruta oleivora, and preparation method and application thereof |
| WO2019023782A1 (en) * | 2017-08-03 | 2019-02-07 | Csi Agro Comércio De Fertilizantes Eireli | Adjuvant composition for fertilizer and biocide formulations |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283194A (en) * | 2011-08-12 | 2011-12-21 | 中化化工科学技术研究总院 | Suspending agent with synergic component and preparation method thereof |
| CN102988376A (en) * | 2012-10-23 | 2013-03-27 | 四川农业大学 | Fishery medicine of eucalyptus oil abamectin sub-microemulsion |
| CN103202289A (en) * | 2012-11-20 | 2013-07-17 | 北京农学院 | 1,2-dihydroxy-hexacosan-4-keton water suspending agent and preparation method thereof |
| CN103222462A (en) * | 2013-05-22 | 2013-07-31 | 广西田园生化股份有限公司 | Solvent composition for preparing organic phosphorus pesticide liquid preparation |
| CN103222462B (en) * | 2013-05-22 | 2015-01-07 | 广西田园生化股份有限公司 | Solvent composition for preparing organic phosphorus pesticide liquid preparation |
| CN105265427A (en) * | 2014-10-12 | 2016-01-27 | 安徽迪邦药业有限公司 | Preparation method for insecticide |
| CN106614797A (en) * | 2016-12-20 | 2017-05-10 | 重庆医学检验试剂研究所 | Composition for preventing and controlling red spiders and phyllocoptruta oleivora, and preparation method and application thereof |
| WO2019023782A1 (en) * | 2017-08-03 | 2019-02-07 | Csi Agro Comércio De Fertilizantes Eireli | Adjuvant composition for fertilizer and biocide formulations |
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| Publication number | Publication date |
|---|---|
| CN101911955B (en) | 2014-11-26 |
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