CN107306988A - A kind of Diacloden thermal fog and its preparation method and application - Google Patents
A kind of Diacloden thermal fog and its preparation method and application Download PDFInfo
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- CN107306988A CN107306988A CN201710686022.1A CN201710686022A CN107306988A CN 107306988 A CN107306988 A CN 107306988A CN 201710686022 A CN201710686022 A CN 201710686022A CN 107306988 A CN107306988 A CN 107306988A
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- Prior art keywords
- diacloden
- thermal fog
- solvent
- oil
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/18—Vapour or smoke emitting compositions with delayed or sustained release
Abstract
The invention provides a kind of Diacloden thermal fog, including following components in percentage by weight：Diacloden 0.2~12%, surfactant 1.5~12%, bleeding agent 0.8~5.5%, triphenyl phosphate 0.8~12%, surplus is organic solvent, and the organic solvent is the one or more in aromatic hydrocarbon solvent, plant oil solvent and polar solvent.The prevention effect of the Diacloden thermal fog provided using the present invention is higher than conventional Diacloden preparation such as 50% Diacloden water dispersible granules, 25% Diacloden wettable powder and 30% Diacloden, and continuation is longer.The effect of the embodiment of the present invention shows that 3 days after the Diacloden thermal fog medicine that the present invention is provided, the prevention effect to crop pests reaches more than 90%, reaches as high as 96.6%；15 days after medicine, prevention effect remains to reach more than 80%, reaches as high as 89.5%.
Description
Technical field
The invention belongs to technical field of pesticide, more particularly to a kind of Diacloden thermal fog and its preparation method and application.
Background technology
Diacloden belongs to nicotinic insecticide, acts on the nervous system of insect.Diacloden be applied to prevent and treat cotton fleahopper,
The insects such as aphid, diamondback moth, aleyrodid, onion thrips, plant hopper and coccid.At present on the market in the preparation containing Diacloden, except containing
Have outside 20% Diacloden, also containing naphthalene sulfonic acid-formaldehyde condensation product sodium salt, sldium lauryl sulfate and bentonite etc., to agriculture after use
The prevention effect of crop pest is 71~82%, and the prevention effect reached is not high.
The content of the invention
In view of this, in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to and a kind of Diacloden thermal fog is provided, energy
Enough prevention effects improved to insect pest.
The invention provides a kind of Diacloden thermal fog, including following components in percentage by weight：
Surplus is organic solvent, and the organic solvent is one in aromatic hydrocarbon solvent, plant oil solvent and polar solvent
Plant or several.
It is preferred that, including following components in percentage by weight：
It is preferred that, the surfactant is included in polyethenoxy ether class surfactant and calcium dodecyl benzene sulfonate
It is one or more of.
It is preferred that, the polyethenoxy ether class surfactant includes AEO, alkylphenol-polyethenoxy
One kind in ether, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether again and castor oil polyoxyethylene ether or
It is several.
It is preferred that, the bleeding agent includes azone, thiophene ketone and one kind or several in disecoctylmaleate sodium sulfonate
Kind.
It is preferred that, the aromatic hydrocarbon solvent includes the one or more in C10 aromatic hydrocarbons, o-dichlorohenzene and methyl naphthalene.
It is preferred that, the plant oil solvent includes soybean oil, cottonseed oil, rapeseed oil, castor oil, turpentine oil, oleic acid first
One or more in ester and ethyl oleate.
It is preferred that, the polar solvent includes acetophenone, phenmethylol, 1-METHYLPYRROLIDONE, DMF
With the one or more in dimethyl sulfoxide.
The preparation method of the Diacloden thermal fog provided present invention also offers above-mentioned technical proposal, comprises the following steps：
After with solvent, Diacloden is dissolved, then by obtained Diacloden solution and surfactant, bleeding agent and tricresyl phosphate
Phenyl ester is mixed, and produces Diacloden thermal fog.
Present invention also offers Diacloden thermal fog the answering in preventing and treating crop pests that above-mentioned technical proposal is provided
With.
The invention provides a kind of Diacloden thermal fog, including following components in percentage by weight：Diacloden 0.2~
12%th, surfactant 1.5~12%, bleeding agent 0.8~5.5%, triphenyl phosphate 0.8~12%, surplus is organic solvent,
The organic solvent is the one or more in aromatic hydrocarbon solvent, plant oil solvent and polar solvent.Agricultural chemicals conventional formulation makes
Used time needs are watered, and are not watered typically when the thermal fog of the application is used, or are watered and are diluted within 5 times, and Diacloden
Conventional formulation such as 40% Diacloden suspending agent SC or 50% Diacloden water dispersible granules, extension rate are 1500-3000 times；This is just
Thermal fog particle is had lower surface tension compared to traditional medicament, sprawled beneficial in Target crops and insect body surface.Using this
Invent provide Diacloden thermal fog prevention effect be higher than conventional Diacloden preparation such as 50% Diacloden water dispersible granules,
25% Diacloden wettable powder and 30% Diacloden, and continuation is longer.The effect of the embodiment of the present invention shows, of the invention
3 days after the Diacloden thermal fog medicine of offer, the prevention effect to crop pests reaches more than 90%, reaches as high as 96.6%；
15 days after medicine, prevention effect remains to reach more than 80%, reaches as high as 89.5%.
Embodiment
The invention provides a kind of Diacloden thermal fog, including following components in percentage by weight：Diacloden 0.2~
12%th, surfactant 1.5~12%, bleeding agent 0.8~5.5%, triphenyl phosphate 0.8~12%, surplus is organic solvent；
The organic solvent is the one or more in aromatic hydrocarbon solvent, plant oil solvent and polar solvent.
In the present invention, the granularity of the particle in the Diacloden thermal fog is preferably 5~10 μm, more preferably 6~9 μ
M, most preferably 7~8 μm.In this application, the granularity of the particle in the Diacloden thermal fog can fully cover Target crops
Or insect, improve prevention effect.
The Diacloden thermal fog that the present invention is provided includes mass percent for 0.2~12% Diacloden, preferably 1.5~
10.5%, more preferably 3~8%.The present invention is not particularly limited to the source of the Diacloden, using those skilled in the art
The commercial goods of agricultural chemicals are formulated conventionally.
It is 1.5~12% surfactants, preferably 4.5 that the Diacloden thermal fog that the present invention is provided, which includes mass percent,
~10.5%, more preferably 7~8%.In the present invention, the surfactant preferably includes polyethenoxy ether class surface-active
Agent and/or calcium dodecyl benzene sulfonate.It is described poly- when for polyethenoxy ether class surfactant and calcium dodecyl benzene sulfonate
The mass ratio of oxygen ethene ether surfactant and calcium dodecyl benzene sulfonate is (2.5~8):(0.5~5), be preferably (3~
7):(1~4.5), more preferably (4~6):(1.5~4).
In the present invention, the polyethenoxy ether class surfactant preferably includes AEO, alkyl phenol
In APEO, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether again and castor oil polyoxyethylene ether
One or more, it is described it is several be specially two kinds, three kinds, four kinds or five kinds.When the polyethenoxy ether class surfactant
For two kinds, three kinds, four kinds or five kinds when, each component equal proportion mixing.The present invention is not particularly limited to the source of mentioned reagent,
The commercially available prod commonly used using those skilled in the art.In the present invention, the surfactant is used as emulsifying agent and profit
Humectant is used, emulsifiable preparation, and makes thermal fog particle in target insect body surface wetting and spreading.
The Diacloden thermal fog that the present invention is provided includes mass percent for 0.8~5.5% bleeding agent, preferably 1.5~
4.5%, more preferably 2~4%.In the present invention, to preferably include azone, thiophene ketone and maleic acid di-secondary pungent for the bleeding agent
One or more in ester sodium sulfonate, described several specially two or three.In the present invention, when for two or three when,
Each component equal proportion is mixed.The present invention is not particularly limited to the source of mentioned reagent, is commonly used using those skilled in the art
Commercially available prod.In the present invention, the bleeding agent makes thermal fog wetting of particulates infiltrate through in Target crops blade or insect
In vivo.
It is 0.8~12% triphenyl phosphate, preferably 2.5 that the Diacloden thermal fog that the present invention is provided, which includes mass percent,
~10%, more preferably 4~7%.The present invention is not particularly limited to the source of the triphenyl phosphate, using art technology
The commercial goods that personnel commonly use.In the present invention, the triphenyl phosphate prevents thermal fog when in use as fire retardant
There is flare, cause potential potential safety hazard.
The Diacloden thermal fog that the present invention is provided includes the organic solvent of surplus, the organic solvent be aromatic hydrocarbon solvent,
One or more in plant oil solvent and polar solvent, described several specially two or three.When the organic solvent
For two or three when, each component is mixed with arbitrary proportion.
In the present invention, the aromatic hydrocarbon solvent preferably includes one kind or several in C10 aromatic hydrocarbons, o-dichlorohenzene and methyl naphthalene
Kind, described several specially two or three, when the aromatic hydrocarbon solvent is two or three, each component is mixed with equal proportion
Close.
In the present invention, the plant oil solvent preferably includes soybean oil, cottonseed oil, rapeseed oil, castor oil, turpentine
One or more in oil, methyl oleate and ethyl oleate, described several specially two kinds, three kinds, four kinds or five kinds, when described
When plant oil solvent is two kinds, three kinds, four kinds or five kinds, each component is mixed with equal proportion.
In the present invention, the polar solvent preferably includes acetophenone, phenmethylol, 1-METHYLPYRROLIDONE, N, N- diformazans
One or more in base formamide and dimethyl sulfoxide, described several specially two kinds, three kinds or four kinds, when the polar solvent
For two kinds, three kinds or four kinds when, each component is mixed with equal proportion.The present invention is not particularly limited to the source of mentioned reagent, is adopted
The commercially available prod routinely selected with those skilled in the art.
In the present invention, the organic solvent can dissolve active ingredient.
The preparation method of the Diacloden thermal fog provided present invention also offers such scheme, comprises the following steps：
After with solvent, Diacloden is dissolved, then by obtained Diacloden solution and surfactant, bleeding agent and tricresyl phosphate
Phenyl ester is mixed, and produces Diacloden thermal fog.
In the present invention, the dissolving and mixing are carried out preferably under conditions of stirring, bar of the present invention to the stirring
Part is not particularly limited, the stirring condition routinely used using those skilled in the art.
Present invention also offers application of the Diacloden thermal fog of above-mentioned technical proposal offer in preventing and treating crop pests,
The insect pest is specially the insects such as aphid, leafhopper, plant hopper, aleyrodid, chafer larva, colorado potato bug, nematode, ground beetle
And knot polytype chemical pesticide produces the insect of resistance.The present invention is not special to the application method of the Diacloden thermal fog
Limit, be specially that this medicament is used using or using hot mist machine with conventional dose occupation mode.
A kind of Diacloden thermal fog provided with reference to embodiment the present invention and its preparation method and application carries out detailed
Thin explanation, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
Diacloden 0.5kg, azone 1kg, castor oil polyoxyethylene ether 2.5kg, calcium dodecyl benzene sulfonate 0.5kg, phosphoric acid
Triphenylmethyl methacrylate 1kg, acetophenone 10kg, methyl naphthalene complements to 100kg.
Preparation method：In the container with stirring, first with solvent acetophenone and methyl naphthalene by after Diacloden stirring and dissolving, then
Surfactant castor oil polyoxyethylene ether, calcium dodecyl benzene sulfonate are added, penetrant azone and triphenyl phosphate stirring are mixed
Close, produce Diacloden thermal fog.
Embodiment 2
Diacloden 1kg, azone 2kg, AEO 6kg, calcium dodecyl benzene sulfonate 3kg, triphenyl phosphate
4kg, 1-METHYLPYRROLIDONE 5kg, soybean oil 15kg, methyl naphthalene complements to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 3
Diacloden 2kg, azone 2kg, AEO 8kg, calcium dodecyl benzene sulfonate 5kg, triphenyl phosphate
10kg, phenmethylol 12kg, methyl oleate 20kg, methyl naphthalene complements to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 4
Diacloden 3kg, thiophene ketone 2kg, alkylaryl polyoxyethylene polyoxypropylene ether again 4kg, calcium dodecyl benzene sulfonate
2.5kg, tributyl phosphate 3kg, 1-METHYLPYRROLIDONE 10kg, cottonseed oil 10kg, C10 aromatic hydrocarbons complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 5
Diacloden 5kg, oozes T5kg, APES 7kg, calcium dodecyl benzene sulfonate 3kg, triphenyl phosphate soon
5kg, dimethyl sulfoxide 10kg, o-dichlorohenzene complements to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 6
Diacloden 8kg, azone 2kg, alkylaryl polyoxyethylene polyoxypropylene ether again 5kg, calcium dodecyl benzene sulfonate 3kg,
Triphenyl phosphate 6kg, dimethyl sulfoxide 12kg, methyl naphthalene complements to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 7
Diacloden 10kg, azone 3kg, phenethyl phenol polyethenoxy ether 5kg, calcium dodecyl benzene sulfonate 2.5kg, tricresyl phosphate
Phenyl ester 5kg, dimethyl sulfoxide 15kg, methyl naphthalene complements to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 8
Diacloden 12kg, oozes T2kg, AEO 5kg, calcium dodecyl benzene sulfonate 2kg, phosphoric acid triphen soon
Ester 5kg, DMF 10kg, turpentine oil 10kg, C10 aromatic hydrocarbons complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Reference examples 1：50% Diacloden water dispersible granules
50% Diacloden, 5% polymerization of carboxylic acid salt, 5% naphthalene sulfonate, 3% octyl group sodium succinate, cornstarch is complemented to
100%.
After above-mentioned material is well mixed, through air-flow crushing to material particles D90≤30μm。
8%-15% deionized waters are added, extruder grain produces 50% Diacloden water dispersion granule after drying.
Reference examples 2：25% Diacloden wettable powder
25% Diacloden, 5% polymerization of carboxylic acid salt, 5% naphthalene sulfonate, 2% octyl group sodium succinate, 4% sldium lauryl sulfate,
Cornstarch complements to 100%.
After above-mentioned material is well mixed, through air-flow crushing to material particles D90≤ 30 μm, produce 25% Diacloden wettable
Property pulvis.
Reference examples 3：30% Diacloden suspending agent
Formula：40% Diacloden, 5% polymerization of carboxylic acid salt, 5% phosphate, 0.2% xanthans, 0.02% KF88, water is supplied
To 100%.After above-mentioned material is well mixed, material particles D is milled to through sand90≤ 10 μm, produce 40% Diacloden suspending agent.
Test example 1 prevents and treats the field test of greenhouse rape aphid
The Diacloden thermal fog that the present invention is provided carries out the field of preventing and treating greenhouse rape aphid with Diacloden conventional formulation
The test of pesticide effectiveness.Test method：Diacloden thermal fog is with hot mist machine dispenser, and closed greenhouse opens canopy ventilation after dispenser after 30 minutes；
50% Diacloden water dispersion granule, 30% Diacloden suspending agent, 25% Diacloden wettable powder are watered after dilution with conventional
Hand sprayer spray pesticide；Clear water is compared.Each plot area is 200m2, it is repeated 1 times, 3 days after medicine, investigates within 15 days anti-
Effect.Investigation drug effect method be：Each cell by east, south, west, north, in take 5 points, every singling investigates 2 plants, records rape
Aphed population, and prevention effect is calculated, it the results are shown in Table 1.Calculation formula is as follows：
Borer population × 100 before Revision insect recluced rate (%)=(borer population after borer population-dispenser before dispenser)/dispenser
(the 100- control insect population declines of prevention effect (%)=(dispenser Revision insect recluced rate-control Revision insect recluced rate) × 100/
Rate).
Table 1 prevents and treats the field test results of rape aphid
As can be drawn from Table 1, Diacloden thermal fog to the preventive effect of rape aphid than conventional Diacloden preparation such as 50% thiophene
Worm piperazine water dispersible granules, 25% Diacloden wettable powder and 30% Diacloden are good, and lasting effect is longer.
As seen from the above embodiment, the prevention effect of the Diacloden thermal fog provided using the present invention is higher than conventional thiophene worm
Piperazine preparation, and continuation is longer.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of Diacloden thermal fog, including following components in percentage by weight：
Surplus is organic solvent, the organic solvent be aromatic hydrocarbon solvent, plant oil solvent and one kind in polar solvent or
It is several.
2. Diacloden thermal fog according to claim 1, it is characterised in that including following components in percentage by weight：
3. Diacloden thermal fog according to claim 1 or 2, it is characterised in that the surfactant includes polyoxy second
One or more in alkene ether surfactant and calcium dodecyl benzene sulfonate.
4. Diacloden thermal fog according to claim 3, it is characterised in that the polyethenoxy ether class surfactant bag
Include AEO, APES, phenethyl phenol polyethenoxy ether, alkylaryl polyoxypropylene polyoxy second
One or more in alkene ether and castor oil polyoxyethylene ether.
5. Diacloden thermal fog according to claim 1 or 2, it is characterised in that the bleeding agent include azone, thiophene ketone and
One or more in disecoctylmaleate sodium sulfonate.
6. Diacloden thermal fog according to claim 1 or 2, it is characterised in that the aromatic hydrocarbon solvent includes C10 virtues
One or more in hydrocarbon, o-dichlorohenzene and methyl naphthalene.
7. Diacloden thermal fog according to claim 1 or 2, it is characterised in that the plant oil solvent includes soybean
One or more in oil, cottonseed oil, rapeseed oil, castor oil, turpentine oil, methyl oleate and ethyl oleate.
8. Diacloden thermal fog according to claim 1 or 2, it is characterised in that the polar solvent includes acetophenone, benzene
One or more in methanol, 1-METHYLPYRROLIDONE, N,N-dimethylformamide and dimethyl sulfoxide.
9. the preparation method of the Diacloden thermal fog described in claim 1~8 any one, comprises the following steps：
After with organic solvent, Diacloden is dissolved, then by obtained Diacloden solution and surfactant, bleeding agent and tricresyl phosphate
Phenyl ester is mixed, and obtains Diacloden thermal fog.
10. Diacloden prepared by the Diacloden thermal fog or claim 9 methods described described in claim 1~8 any one
Application of the thermal fog in preventing and treating crop pests.
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