CN104920407A - Composition for preventing and treating underground insects - Google Patents
Composition for preventing and treating underground insects Download PDFInfo
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- CN104920407A CN104920407A CN201510336514.9A CN201510336514A CN104920407A CN 104920407 A CN104920407 A CN 104920407A CN 201510336514 A CN201510336514 A CN 201510336514A CN 104920407 A CN104920407 A CN 104920407A
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Abstract
The invention discloses a composition for preventing and treating underground insects. The composition is characterized in that effective insect killing constituents are benfuracarb and chlorfenapyr, the weight ratio of the benfuracarb to the chlorfenapyr is 1-40: 1-40, the effective constituents account for 1%-80% of the total weight of the composition, and the composition comprises granules or wettable powder, water dispersible granules, suspending agents, emulsion in water and microcapsule suspending agents according to the dosage forms processed through a pesticide dosage form machining method. The chlorfenapyr and the benfuracarb of the effective insect killing constituents are compounded, then have the dual-acting mechanisms, and have the obvious effect increasing function and the continuous prevention and treatment effect for preventing and treating underground insects, the insecticidal spectrum is enlarged, underground insects like nematodes and grubs can be prevented and treated, the use range is enlarged, the composition can also be used for crops like corns and vegetables, and the pesticide dosage is reduced.
Description
Technical field
The present invention relates to a kind of composition preventing and treating soil insect.
Background technology
Soil insect, refers to all one's life or certain stage lives in soil the omnivorous insect endangering foot end, seed, seedling or nearly soil table stem in life.Kind is a lot, mainly contain mole cricket, grub, wireworm, cutworm, root maggot, root stinkbug, root aphid, intend ground first, cricket, root a red-spotted lizard, root are chrysomelid, root longicorn, 10 multiclass such as root weevil and termite, about more than 200 plant altogether.
Benfuracard micro (benfuracarb), is that the low of carbofuran poisons derivative, has interior suction, tags and stomach poison function.Control rice water weevil, thrips, borer, cotten aphid, onion fly, diamond-back moth etc. can be widely used in, soil insect and foliar pest can be prevented and treated as processing soil treatment agent.Benfuracard micro formulation has: 3%, 5%, 10% granule, 20% missible oil, 40% suspending agent.Using method has soil treatment, seed treatment and foliage applying.During soil treatment, every mu of use 5% granule 800-1200g or 10% missible oil 400-600g does soil treatment control of maize insect, the flea beetle on beet and vegetables, colorado potato beetle, wireworm, diamond-back moth and aphid etc.During seed treatment, every 100kg seed 0.4-2kg 20% Benfuracard micro seed dressing.As many commercial pesticide species, Benfuracard micro is used alone shortcomings such as still there is narrower, the easy generation resistance of sphere of action.
Chlorine chlorfenapyr, chemical name is the bromo-2-of 4-(4-chlorphenyl)-1-[(2-chloroethoxy) methyl]-5-trifluoromethyl pyrpole-3-formonitrile HCN, is the new pyrrole heterocycle compound with obvious pesticide and miticide actility.Its mechanism of action is by disturbing Intramitochondrial electrochemical gradient thus blocking oxide Phosphorylation events.Through result of the test show noval chemical compound chlorine chlorfenapyr have excellent to tag, stomach poison activity and comprehensive toxic action, its toxicity is low, and safety is good, without cross resistance.
Rational agriculture chemical compounding or mixture have expansion insecticidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, minimizing remains, delays the features such as drug-fast generation and development.Composition about Benfuracard micro and the composite control soil insect of chlorine chlorfenapyr there is no people at present and reported.
Summary of the invention
The present invention is to provide a kind of composition preventing and treating soil insect, its insecticidal active ingredient is Benfuracard micro and chlorine chlorfenapyr.The weight ratio of Benfuracard micro and chlorine chlorfenapyr is 1-40 ︰ 1-40.The weight percentage that active ingredient accounts for composition total weight is 1%-80%.
Pesticidal combination of the present invention, the formulation can processed according to formulations of pesticide processing method comprises granule or wetting powder, water dispersible granules, suspending agent, aqueous emulsion, micro-capsule suspension.The present invention is for preventing and treating the soil insect such as nematode, grub.
When granule is processed in the present invention, each composition weight percentage composition is:
The concrete procedure of processing of this Pesticidal combination granule is: Benfuracard micro, chlorine chlorfenapyr and filler are mixed by above-mentioned formula, then add binding agent, dispersant is even, through sample analysis after drying, screening, the granule of the present composition can be prepared into.
When wetting powder is processed in the present invention, composition weight percentage composition is:
The concrete procedure of processing of this Pesticidal combination wetting powder is: by above-mentioned formula by Benfuracard micro and chlorine chlorfenapyr and the mixing of dispersant, wetting agent and filler, uniform stirring in stirred tank, mix after airslide disintegrating mill, the wetting powder of the present composition can be prepared into.
When water dispersible granules is processed in the present invention, composition weight percentage composition is:
The concrete procedure of processing of this Pesticidal combination water dispersible granules is: Benfuracard micro, chlorine chlorfenapyr and dispersant, wetting agent, disintegrant and filler are mixed by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out through sample analysis after granulation, drying, screening, the water dispersible granules containing Benfuracard micro chlorine chlorfenapyr of the present invention of system.
When suspending agent is processed in the present invention, composition weight percentage composition is:
The production stage of this Pesticidal combination suspending agent is first mixed by auxiliary agent, mix through high speed shear, add Benfuracard micro and chlorine chlorfenapyr raw material pesticide, 2-3 hour is ground in sand mill, make diameter of particle all below 5 μm, the aqueous suspension formulations containing Benfuracard micro and chlorine chlorfenapyr of the present invention of system.
When aqueous emulsion is processed in the present invention, composition weight percentage composition is:
The production stage of this Pesticidal combination aqueous emulsion, for former medicine Benfuracard micro and chlorine chlorfenapyr, solvent and emulsifier to be added together, is dissolved into uniform oil phase; By water, antifreezing agent etc. mix uniformly aqueous phase; Aqueous phase is added in oil phase under high-speed stirred, high speed shear 5-10min simultaneously, form oil-in-water type aqueous emulsion.Namely the aqueous emulsion preparation containing Benfuracard micro and chlorine chlorfenapyr of the present invention made.
When micro-capsule suspension is processed in the present invention, composition weight percentage composition is:
The processing method of microcapsule suspending agent comprises:
Method one: the preparation of (1) urea resin prepolymer: by urea and 37% formalin (mol ratio=1:1.5-2) mix and blend, PH to 8.5 is regulated with triethylamine, be warming up to 70 DEG C, with 450 revs/min of stirring reactions 1 hour, obtain the urea resin prepolymer aqueous solution; (2) micro-capsule suspension preparation: under normal temperature, Benfuracard micro, chlorine chlorfenapyr are dissolved in solvent, dispersant, urea-formaldehyde resin aqueous solution, emulsifier is added under stirring condition, high speed homogenizing 5 minutes, reduce rotating speed to 450 rev/min after forming oil-in-water emulsion, regulate PH, react 1 hour under acid catalysis, to reaction end, adjust PH to neutral; Add appropriate adjuvant, thickener, stir and namely make microcapsule suspending agent.
Method two: Benfuracard micro, chlorine chlorfenapyr are dissolved in solvent by (1), adds capsule leather material and stirs and obtain oil phase; (2) in water, add emulsifier, adjuvant stirs and obtain aqueous phase; (3) aqueous phase joins in oil phase, high speed homogenizing shape O/w emulsion; (4) under 450 revs/min of speed conditions, add polyamine and participate in interface polymerization reaction, reaction temperature rises to 25 DEG C-70 DEG C, keeps solidifying encystation in 2 hours-24 hours; (5) add dispersant, antifreezing agent, thickener, stir and namely make microcapsule suspending agent.
Described binding agent is one or more in carboxymethyl cellulose, polyvinyl alcohol, gelatin, gum Arabic etc.
Described dispersant is one or more in lignosulfonates, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether.
Described filler is one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
Described wetting agent is one or more in lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, sodium alkyl benzene sulfonate, polyoxyethylene tri-styryl phosphenylic acid salt, spaonin powder etc.
Described disintegrant is one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate.
Described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol.
Described defoamer is silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more in aliphatic alcohols compound and polyoxyethylene glycerol ether.
Described emulsifier is one or more in alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, alkylphenol polyoxyethylene formaldehyde condensation products, diphenyl phenol polyethenoxy polyformaldehyde condensation product, castor oil ethylene oxide adduct, NNO, NP, agriculture breast 500, agriculture breast 600, Tween-80, polyvinyl alcohol.
Described solvent is one or more in toluene, dimethylbenzene, ethanol, DMF, chloroform, cyclohexanone, acetone, solvent naphtha, isopropyl alcohol.
Described thickener is one in aluminium-magnesium silicate, xanthans, CMC, gum Arabic, polyvinylpyrrolidone or several.
Described capsule leather material is one or more in tolyl isocyanate, the many toluene diisocyanates of polymethylene, methyl diphenylene diisocyanate, Lauxite.
Described PH conditioning agent is the one in hydrochloric acid, glacial acetic acid, citric acid, sodium hydroxide, ammoniacal liquor, ethylenediamine, triethanolamine, triethylamine.
The present invention screens on the basis of lab screening and field trial.Chlorine chlorfenapyr and Benfuracard micro are after composite, there is double action mechanism, control soil insect has obvious synergistic effect and lasting control efficiency, not only expand insecticidal spectrum, can prevent and treat the soil insect such as nematode, grub, also expand the scope of application, may be used for the crop such as corn, vegetables, and decrease the consumption of medicine.
Embodiment
Be elaborated the present invention below by embodiment, the percentage in embodiment is weight percentage but the present invention is not limited thereto.
Embodiment 1:2% chlorine chlorfenapyr Benfuracard micro granule
Chlorine chlorfenapyr 1%, Benfuracard micro 1%, lignosulfonates 5%, polyvinyl alcohol 5%, bentonite supply 100%, routinely the obtained 2% chlorine chlorfenapyr Benfuracard micro granule granule of production technology.
Embodiment 2:15% chlorine chlorfenapyr Benfuracard micro granule
Chlorine chlorfenapyr 1%, Benfuracard micro 14%, fatty alcohol-polyoxyethylene ether 3%, gum Arabic 1%, kaolin add to 100%, routinely the obtained 15% chlorine chlorfenapyr Benfuracard micro granule of production technology.
Embodiment 3:40% chlorine chlorfenapyr Benfuracard micro granule
Chlorine chlorfenapyr 39%, Benfuracard micro 1%, fatty acid amide N methyl taurine sodium salt 10%, carboxymethyl cellulose 10%, precipitated calcium carbonate add to 100%, routinely the obtained 40% chlorine chlorfenapyr Benfuracard micro granule of production technology.
Embodiment 4:2% chlorine chlorfenapyr Benfuracard micro wetting powder
Chlorine chlorfenapyr 1%, Benfuracard micro 1%, fatty alcohol-polyoxyethylene ether 3%, lauryl sodium sulfate 5%, diatomite complement to 100%, mix laggard row air-flow crushing, 2% chlorine chlorfenapyr Benfuracard micro wetting powder of system.
Embodiment 5:80% chlorine chlorfenapyr Benfuracard micro wetting powder
Chlorine chlorfenapyr 40%, Benfuracard micro 40%, fatty acid amide N methyl taurine sodium salt 8%, spaonin powder 8%, attapulgite complement to 100%, mix laggard row air-flow crushing, 80% chlorine chlorfenapyr Benfuracard micro wetting powder of system.
Embodiment 6:56% chlorine chlorfenapyr Benfuracard micro wetting powder
Chlorine chlorfenapyr 40%, Benfuracard micro 16%, lignosulfonates 5%, sodium alkyl benzene sulfonate 4%, starch complement to 100%, mix laggard row air-flow crushing, 56% chlorine chlorfenapyr Benfuracard micro wetting powder of system.
Embodiment 7:80% chlorine chlorfenapyr Benfuracard micro water-dispersible granules
Chlorine chlorfenapyr 40%, Benfuracard micro 40%, polyoxyethylene polyoxypropylene block copolymer 5%, polyoxyethylene tri-styryl phosphenylic acid salt 6%, aluminium chloride 2%, kaolin supply 100%, 80% chlorine chlorfenapyr Benfuracard micro water-dispersible granules of mixing granulation.
Embodiment 8:2% chlorine chlorfenapyr Benfuracard micro water dispersible granules
Chlorine chlorfenapyr 1%, Benfuracard micro 1%, alkylphenol polyoxyethylene 2%, sodium alkyl benzene sulfonate 2%, urea 3%, diatomite supply 100%, 2% chlorine chlorfenapyr Benfuracard micro water-dispersible granules of mixing granulation.
Embodiment 9:30% chlorine chlorfenapyr Benfuracard micro water dispersible granules
Chlorine chlorfenapyr 1%, Benfuracard micro 29%, fatty acid amide N methyl taurine sodium salt 4%, polyoxyethylene tri-styryl phosphenylic acid salt 5%, citric acid 2%, bentonite supply 100%, 30% chlorine chlorfenapyr Benfuracard micro water-dispersible granules of mixing granulation.
Embodiment 10:21% chlorine chlorfenapyr Benfuracard micro suspending agent
Chlorine chlorfenapyr 20%, Benfuracard micro 1%, lignosulfonates 1%, lauryl sodium sulfate 6%, aluminium-magnesium silicate 3%, ethylene glycol 1%, polyoxyethylene glycerol ether 0.5%, water supply 100%, 21% chlorine chlorfenapyr pyraclostrobin Benfuracard micro suspending agent of system after mixing.
Embodiment 11:80% chlorine chlorfenapyr Benfuracard micro suspending agent
Chlorine chlorfenapyr 40%, Benfuracard micro 40%, polyoxyethylene polyoxypropylene block copolymer 4%, calcium dodecyl benzene sulfonate 1%, CMC 1%, polyethylene glycol 2%, silicone oil 1%, water supply 100%, 80% chlorine chlorfenapyr Benfuracard micro suspending agent of system after mixing.
Embodiment 12:2% chlorine chlorfenapyr Benfuracard micro suspending agent
Chlorine chlorfenapyr 1%, Benfuracard micro 1%, alkylphenol polyoxyethylene 2%, polyoxyethylene tri-styryl phosphenylic acid salt 3%, xanthans 0.1%, propane diols 0.5%, C8-10 aliphatic alcohols compound 0.1%, water supply 100%, 2% chlorine chlorfenapyr Benfuracard micro suspending agent of system after mixing.
Embodiment 13:41% chlorine chlorfenapyr Benfuracard micro aqueous emulsion
Chlorine chlorfenapyr 1%, Benfuracard micro 40%, agriculture breast 5004%, toluene 5%, aluminium-magnesium silicate 4%, ethylene glycol 1%, polyoxyethylene glycerol ether 0.5%, water supply 100%, 41% chlorine chlorfenapyr Benfuracard micro aqueous emulsion of system after mixing.
Embodiment 14:11% chlorine chlorfenapyr Benfuracard micro aqueous emulsion
Chlorine chlorfenapyr 1%, Benfuracard micro 10%, alkylphenol polyoxyethylene formaldehyde condensation products 2%, dimethylbenzene 3%, xanthans 5%, polyethylene glycol 2%, silicone oil 1%, water supply 100%, 11% chlorine chlorfenapyr Benfuracard micro aqueous emulsion of system after mixing.
Embodiment 15:80% chlorine chlorfenapyr Benfuracard micro aqueous emulsion
Chlorine chlorfenapyr 40%, Benfuracard micro 40%, alkylbenzene naphthalene sulfonate 6%, N, dinethylformamide 5%, polyvinylpyrrolidone 0.1%, propane diols 3%, C8-10 aliphatic alcohols compound 0.1%, water supply 100%, 80% chlorine chlorfenapyr Benfuracard micro aqueous emulsion of system after mixing.
Embodiment 16:42% chlorine chlorfenapyr Benfuracard micro micro-capsule suspension
Chlorine chlorfenapyr 2%, Benfuracard micro 40%, isopropyl alcohol 3%, Lauxite 2%, diphenyl phenol polyethenoxy polyformaldehyde condensation product 4%, sodium lignin sulfonate 3%, hydrochloric acid 1%, sodium hydroxide 1%, aluminium-magnesium silicate 2%, water supply 100%, namely make 42% chlorine chlorfenapyr Benfuracard micro micro-capsule suspension according to preparation method one.
Embodiment 17:2% chlorine chlorfenapyr Benfuracard micro micro-capsule suspension
Chlorine chlorfenapyr 1%, Benfuracard micro 1%, solvent naphtha 1%, toluene di-isocyanate(TDI) 0.5%, polyvinyl alcohol 3%, alkylphenol polyoxyethylene 4%, ethylenediamine 1%, polyvinylpyrrolidone 2%, water supply 100%, namely make 2% chlorine chlorfenapyr Benfuracard micro micro-capsule suspension according to preparation method two.
Embodiment 18:80% chlorine chlorfenapyr Benfuracard micro micro-capsule suspension
Chlorine chlorfenapyr 40%, Benfuracard micro 40%, cyclohexanone 3%, methyl diphenylene diisocyanate 0.5%, polyvinyl alcohol 2%, fatty acid amide N methyl taurine sodium salt 1%, hexamethylene diamine 1%, gum Arabic 2%, water supply 100%, namely make 80% chlorine chlorfenapyr Benfuracard micro micro-capsule suspension according to preparation method two.
This experiment is the method adopting Toxicity Determination and field trial to combine.First by Toxicity Determination, the co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC<80 is antagonism, 80≤CTC≤120 are summation action, CTC >=120 are synergistic effect, on this basis, then carry out field trial.
Result shows (see table 1 and table 2), and chlorine chlorfenapyr and Benfuracard micro, between mixed ratio 1:40-40:1, have obvious synergistic effect.The mixed ratio of Benfuracard micro and chlorine chlorfenapyr is when 1:1, and obvious to the preventive effect synergistic effect of grub, co-toxicity coefficient reaches 140.51.The mixed ratio of chlorine chlorfenapyr and Benfuracard micro is when 1:10, and obvious to the preventive effect synergistic effect of corn root-knot nematode, co-toxicity coefficient reaches 228.97.
Table 1 different ratio chlorine chlorfenapyr and Benfuracard micro measure the synergy of grub
| Reagent agent | Proportioning | LC50(mg/L) | Co-toxicity coefficient (CTC) |
| Chlorine chlorfenapyr | 1:0 | 9.19 | |
| Benfuracard micro | 0:1 | 10.42 | |
| Chlorine chlorfenapyr: Benfuracard micro | 1:40 | 6.77 | 120.06 |
| Chlorine chlorfenapyr: Benfuracard micro | 1:20 | 6.45 | 126.37 |
| Chlorine chlorfenapyr: Benfuracard micro | 1:1 | 6.13 | 140.51 |
| Chlorine chlorfenapyr: Benfuracard micro | 10:1 | 6.54 | 138.83 |
| Chlorine chlorfenapyr: Benfuracard micro | 40:1 | 7.48 | 122.46 |
Table 2 different ratio chlorine chlorfenapyr and Benfuracard micro measure the synergy of corn nematode
| Reagent agent | Proportioning | LC50(mg/L) | Co-toxicity coefficient (CTC) |
| Chlorine chlorfenapyr | 1:0 | 8.65 | |
| Benfuracard micro | 0:1 | 5.43 | |
| Chlorine chlorfenapyr: Benfuracard micro | 1:40 | 8.12 | 167.27 |
| Chlorine chlorfenapyr: Benfuracard micro | 1:20 | 6.98 | 191.99 |
| Chlorine chlorfenapyr: Benfuracard micro | 1:10 | 5.71 | 228.97 |
| Chlorine chlorfenapyr: Benfuracard micro | 10:1 | 4.39 | 203.94 |
| Chlorine chlorfenapyr: Benfuracard micro | 40:1 | 4.24 | 205.87 |
Field control effectiveness test embodiment: the test of pesticide effectiveness of preventing and kill off corn root-knot nematode.
Reagent agent and dispenser dosage:
(1) 15% chlorine chlorfenapyr Benfuracard micro granule (chlorine chlorfenapyr 1%, Benfuracard micro 14%), mu 50 grams, preparation (1#).
(2) 56% chlorine chlorfenapyr Benfuracard micro wetting powder (chlorine chlorfenapyr 40%, Benfuracard micro 16%) mu 20 grams, preparations (2#)
(3) 30% chlorine chlorfenapyr Benfuracard micro water dispersible granules (chlorine chlorfenapyr 1%, Benfuracard micro 29%) mu 35 grams, preparations (3#)
(4) 21% chlorine chlorfenapyr Benfuracard micro suspending agents (chlorine chlorfenapyr 20%, Benfuracard micro 1%), mu 45 grams, preparation (4#)
(5) 11% chlorine chlorfenapyr Benfuracard micro aqueous emulsions (chlorine chlorfenapyr 1%, Benfuracard micro 10%), mu 55 grams, preparation (5#)
(6) 42% chlorine chlorfenapyr Benfuracard micro micro-capsule suspensions (chlorine chlorfenapyr 2%, Benfuracard micro 40%), mu 25 grams, preparation (6#)
(7) 5% Benfuracard micro granules, mu 100 grams, preparation (7#).
(8) 10% chlorine chlorfenapyr suspending agents, mu 50 grams, preparation (8#).
In dispenser period: corn field root knot serious period, granule spreads fertilizer over the fields, and is watered to spray, fill with root.
Prevent and kill off object: corn root-knot nematode
Result of the test is in table 3.
Table 3 control of maize nematode effect result of the test
As can be seen from table 3 result of the test: Pesticidal combination of the present invention reaches more than 93.53% to the average preventive effect of 21 days after corn root-knot nematode medicine.Pesticidal combination of the present invention is significantly better than the single dose of contrast, and synergistic effect is remarkable, and quick-acting and lasting period are obviously better than single dose.
Claims (4)
1. prevent and treat the composition of soil insect for one kind, it is characterized in that insecticidal active ingredient is Benfuracard micro and chlorine chlorfenapyr, the weight ratio of Benfuracard micro and chlorine chlorfenapyr is 1-40 ︰ 1-40, the weight percentage that active ingredient accounts for composition total weight is 1%-80%, and composition comprises granule or wetting powder, water dispersible granules, suspending agent, aqueous emulsion, micro-capsule suspension according to the formulation that formulations of pesticide processing method is processed.
2. a kind of composition preventing and treating soil insect according to claim 1, when it is characterized in that granule is processed in the present invention, each composition weight percentage composition is:
When being processed into wetting powder, composition weight percentage composition is:
When being processed into water dispersible granules, composition weight percentage composition is:
When being processed into suspending agent, composition weight percentage composition is:
When being processed into aqueous emulsion, composition weight percentage composition is:
When being processed into micro-capsule suspension, composition weight percentage composition is:
Described binding agent is one or more in carboxymethyl cellulose, polyvinyl alcohol, gelatin, gum Arabic etc.;
Described dispersant is one or more in lignosulfonates, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether;
Described filler is one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate;
Described wetting agent is one or more in lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, sodium alkyl benzene sulfonate, polyoxyethylene tri-styryl phosphenylic acid salt, spaonin powder etc.;
Described disintegrant is one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate;
Described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol;
Described defoamer is silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more in aliphatic alcohols compound and polyoxyethylene glycerol ether;
Described emulsifier is one or more in alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, alkylphenol polyoxyethylene formaldehyde condensation products, diphenyl phenol polyethenoxy polyformaldehyde condensation product, castor oil ethylene oxide adduct, NNO, NP, agriculture breast 500, agriculture breast 600, Tween-80, polyvinyl alcohol;
Described solvent is one or more in toluene, dimethylbenzene, ethanol, DMF, chloroform, cyclohexanone, acetone, solvent naphtha, isopropyl alcohol;
Described thickener is one in aluminium-magnesium silicate, xanthans, CMC, gum Arabic, polyvinylpyrrolidone or several;
Described capsule leather material is one or more in tolyl isocyanate, the many toluene diisocyanates of polymethylene, methyl diphenylene diisocyanate, Lauxite;
Described PH conditioning agent is the one in hydrochloric acid, glacial acetic acid, citric acid, sodium hydroxide, ammoniacal liquor, ethylenediamine, triethanolamine, triethylamine.
3. a kind of composition preventing and treating soil insect according to claim 1 or 2, is characterized in that the processing method of microcapsule suspending agent comprises:
Method one: the preparation of (1) urea resin prepolymer: by urea and 37% formalin (mol ratio=1:1.5-2) mix and blend, PH to 8.5 is regulated with triethylamine, be warming up to 70 DEG C, with 450 revs/min of stirring reactions 1 hour, obtain the urea resin prepolymer aqueous solution; (2) micro-capsule suspension preparation: under normal temperature, Benfuracard micro, chlorine chlorfenapyr are dissolved in solvent, dispersant, urea-formaldehyde resin aqueous solution, emulsifier is added under stirring condition, high speed homogenizing 5 minutes, reduce rotating speed to 450 rev/min after forming oil-in-water emulsion, regulate PH, react 1 hour under acid catalysis, to reaction end, adjust PH to neutral; Add appropriate adjuvant, thickener, stir and namely make microcapsule suspending agent;
Method two: Benfuracard micro, chlorine chlorfenapyr are dissolved in solvent by (1), adds capsule leather material and stirs and obtain oil phase; (2) in water, add emulsifier, adjuvant stirs and obtain aqueous phase; (3) aqueous phase joins in oil phase, high speed homogenizing shape O/w emulsion; (4) under 450 revs/min of speed conditions, add polyamine and participate in interface polymerization reaction, reaction temperature rises to 25 DEG C-70 DEG C, keeps solidifying encystation in 2 hours-24 hours; (5) add dispersant, antifreezing agent, thickener, stir and namely make microcapsule suspending agent.
4. prevent and treat a purposes for soil insect composition, it is characterized in that control soil insect nematode and grub.
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| CN106973926A (en) * | 2017-04-26 | 2017-07-25 | 武鸣县南方制绳厂 | A kind of sisal hemp special-purpose insecticide for preventing and treating subterranean pest-insect and preparation method thereof |
| CN107056418A (en) * | 2017-02-16 | 2017-08-18 | 梁慰爱 | A kind of mulch base manure and preparation method thereof |
| CN107200655A (en) * | 2017-08-04 | 2017-09-26 | 史丹利化肥扶余有限公司 | A kind of anti-continuous cropping special fertilizer of Tower-type melt granulation soybean and preparation method thereof |
| CN107586223A (en) * | 2017-09-08 | 2018-01-16 | 河南鄂中肥业有限公司 | A kind of high-tower granulation biological compound fertilizer with prevention and control pest and disease damage function and preparation method thereof |
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| CN107056418A (en) * | 2017-02-16 | 2017-08-18 | 梁慰爱 | A kind of mulch base manure and preparation method thereof |
| CN106973926A (en) * | 2017-04-26 | 2017-07-25 | 武鸣县南方制绳厂 | A kind of sisal hemp special-purpose insecticide for preventing and treating subterranean pest-insect and preparation method thereof |
| CN107200655A (en) * | 2017-08-04 | 2017-09-26 | 史丹利化肥扶余有限公司 | A kind of anti-continuous cropping special fertilizer of Tower-type melt granulation soybean and preparation method thereof |
| CN107586223A (en) * | 2017-09-08 | 2018-01-16 | 河南鄂中肥业有限公司 | A kind of high-tower granulation biological compound fertilizer with prevention and control pest and disease damage function and preparation method thereof |
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