CN1059777C - Urea compounded cream pesticide and producing process thereof - Google Patents
Urea compounded cream pesticide and producing process thereof Download PDFInfo
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- CN1059777C CN1059777C CN94105887A CN94105887A CN1059777C CN 1059777 C CN1059777 C CN 1059777C CN 94105887 A CN94105887 A CN 94105887A CN 94105887 A CN94105887 A CN 94105887A CN 1059777 C CN1059777 C CN 1059777C
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- hexaflumuron
- diflubenzuron
- missible oil
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- emulsifiable solution
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Abstract
The present invention relates to hexaflumuron recompounded emulsifiable solution insecticide and a manufacturing method thereof. After composite solvent dissolves raw hexaflumuron powder, emulsifying agents are added, and a hexaflumuron emulsifiable solution is manufactured; the hexaflumuron recompounded emulsifiable solution is prepared from the emulsifiable solution and other insecticide. The present invention is mainly characterized in that hexaflumuron manufactured into emulsifiable solution preparation can be recompounded with the other insecticide. The hexaflumuron recompounded emulsifiable solution of the present invention has the advantages of obvious synergy, good fast effect and wide preventing and curing spectra, resistant pests can be prevented and cured, and the drug resistance development of the pests can be postponed. The preparation of the present invention has the advantages of simple preparing technology, low cost and obvious economic benefit, and the preparation is suitable for popularization and use.
Description
The present invention relates to diflubenzuron (Dimilin) missible oil and urea compounded cream pesticide and method for making thereof.
Diflubenzuron belongs to urea insecticide, is that early seventies is by the commercial the earliest process for preparation of benzoylurea compounds kind of Dutch Dao Fuer (Duphar) company.Diflubenzuron mainly is to cast off a skin by interference insect to make insect slowly dead, so be called as " slow-acting type " inhibitor.Because it is it is higher to people, animal, environmental safety, less again to the natural enemy influence, have outstanding selectivity and be called " third generation insecticide ", " ecotopia chemicals " by honor.Diflubenzuron has been got permission registration in about 40 countries and is used since coming out.Dao Fuer company opposes the clever wettable powder that goes out in China with 25% and obtain interim registration on wheat, apple, and registration number is LS88007, insects such as control mythimna separata, apple leaf miner.So China Hebei province Tangshan City's chemical research 20% suspending agent obtains interim registration on wheat, masson pine, controlling object is mythimna separata, pine caterpillars, and registration number is a LS87316 (The Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC: " newly organized agricultural chemicals handbook, agriculture publishing house, 1989, P.188～189; Miao Jiancai: " environmental-pollution insecticide and application technology thereof ", Heilungkiang science tech publishing house, 1990, P.76～173).Diflubenzuron has preparation effective component content height now, and price is expensive (10～140,000 yuan/ton) very, occupy first of the common insecticide.These formulations uses are inconvenient, slow in its drug effect in addition, prevention and treatment range is limited, thereby seriously hindered promoting the use of of this outstanding insecticide.Cream preparation is easy to use, and drug effect is good, is the main preparation kenel of insecticide.Because the dissolubility of diflubenzuron is very special, is difficult to be processed into cream preparation, so also be difficult for being mixed with complex preparation with other insecticide.
The objective of the invention is to work out urea compounded cream and the manufacture method thereof that a kind of drug effect is good, quick-acting good, synergy is remarkable, cost is lower, be convenient to promote the use of.
Insecticide among the present invention is at first diflubenzuron to be mixed with cream preparation, and its contained component and proportioning (percentage by weight) are: double solvents accounts for 70～92%; Emulsifier accounts for 5～15%; The deinsectization urea raw powder accounts for 2～15%.The component of the double solvents that is adopted and proportioning (percentage by weight) are: dimethyl sulfoxide (DMSO) accounts for 5～30%; Dimethylbenzene accounts for 30～80%; Methyl alcohol accounts for 4～10%; Acetone accounts for 1～5%; The N-N-methyl-2-2-pyrrolidone N-accounts for 0.5～2%, and the emulsifier that is adopted is 656H and OP-10, and the two proportioning by weight is 4～9: 1～6.
Urea compounded preparation among the present invention be by diflubenzuron missible oil and a kind of pyrethroid insecticidal emulsifiable concentrate and (or) formulated binary or the ternary cream preparation of a kind of organic phosphor desinsection missible oil.As the binary built system of being made as, then the shared percentage by weight of each component is: diflubenzuron missible oil accounts for 25～70%, and organic phosphor desinsection missible oil accounts for 30～75%; Perhaps for diflubenzuron missible oil accounts for 30～75%, the pyrethroid insecticidal emulsifiable concentrate accounts for 25～70%; As being the ternary preparation, then the shared percentage by weight of each component is: diflubenzuron missible oil accounts for 20～50%, and the pyrethroid insecticidal emulsifiable concentrate accounts for 10～40%, and the organic phosphates insecticidal emulsifiable concentrate accounts for 20～60%.
In the urea compounded cream preparation of the present invention, organophosphorus insecticides can be selected any cream preparation in orthene, basudin, malathion, Rogor, phosmet, Phosalone, sumithion, phoxim, Le Siben, chlorophos, dichlorvos, the quinalphos for use; Pyrethroid insecticides can select the time for use, go out and sweep profit, taufluvalinate, Belmark, come any cream preparation in good fortune spirit, Biphenthrin, cypermethrin, alpha-cypermethrin, the decis.
Manufacture method of the present invention comprises the steps:
A. prepare double solvents in reactor, add the deinsectization urea raw powder, make solution after the heated and stirred and carry out suction filtration;
B. steps A gained filtrate is placed the still that is mixed, add emulsifier, heated and stirred evenly promptly gets diflubenzuron missible oil;
C. give in the step B gained diflubenzuron missible oil, add other insecticide, heated and stirred evenly promptly gets urea compounded cream.
Wherein the temperature of reaction kettle in the steps A is 50-60 ℃, and mixing time is 45 minutes.
The still temperature that is mixed among step B and the step C is 45-50 ℃, and mixing time is 30 minutes.
Diflubenzuron cream preparation of the present invention has kept diflubenzuron suspension, wetting powder to all characteristics that insect showed, and goes up than former preparation conveniently but use.Owing to use back wet malleability on crop well and obviously to improve control efficiency.The most important thing is to make the EC compound agent with other insecticides owing to the characteristics on this invention formulation (missible oil).
Urea compounded cream preparation of the present invention has significantly improved its quick-acting when having kept diflubenzuron cream preparation characteristics, enlarged the control spectrum, and shown tangible coordination synergistic effect.
Accompanying drawing is diflubenzuron missible oil and urea compounded cream technological process of production block diagram.
The present invention can provide by following embodiment:
Embodiment one: give successively to add dimethyl sulfoxide (DMSO) 21.5kg, dimethylbenzene 202.5kg, methyl alcohol 27kg, acetone 13.5kg, N-N-methyl-2-2-pyrrolidone N-5.5kg in the 500 liter reactors, stirring also is warming up to 55 ℃, drop into deinsectization urea raw powder (purity is 90%) 13.34kg, constant temperature stirred 45 minutes, shut down to leave standstill 30 minutes; Put into the still that is mixed (about 282kg) after with suction filter pump the supernatant in the reactor being pumped into head tank, stir and be warming up to 48 ℃, add 656H 9kg, OP-10 9kg, constant temperature stir after 30 minutes 4% diflubenzuron missible oil 300kg (referring to accompanying drawing).
Embodiment two: method is with embodiment one.Various raw material proportionings are: dimethyl sulfoxide (DMSO) 37.5kg, dimethylbenzene 180.5kg, methyl alcohol 20kg, acetone 7.5kg, N-N-methyl-2-2-pyrrolidone N-3.5kg, deinsectization urea raw powder 23.34kg, get the about 270kg of solution after the preparation, get 7% diflubenzuron missible oil 300kg after mixing mutually with 21kg 656H, 9kg OP-10.
Embodiment three: method is with embodiment one.Various raw material proportionings are: dimethyl sulfoxide (DMSO) 50kg, dimethylbenzene 158kg, methyl alcohol 10.5kg, acetone 4.5kg, N-N-methyl-2-2-pyrrolidone N-2kg, deinsectization urea raw powder 40kg, get the about 261kg of solution after the preparation, get 12% diflubenzuron missible oil 300kg after mixing mutually with 33kg 656H, 6kg OP-10.
Embodiment one, two, three gained diflubenzuron cream preparations are except that the effective component content difference, and other character phase, this was similar.Can form milky emulsion after adding entry, use back wet malleability on crop leaf good, can be used to prevent and treat lepidoptera pests such as cabbage caterpillar, tomato moth, mythimna separata, pine caterpillars in the production with the conventional spray method.General diluted concentration is 1000-3000 times when using, and control efficiency can reach more than 90%.The 3rd day insect begins death after the dispenser generally speaking.Dead peak appearred in about 5-6 days.The longevity of residure is about 15-20 days.
Embodiment four: according to the described formulated urea compounded cream of following table (referring to accompanying drawing), can get two binary built missible oil, each 100kg. of ternary built missible oil
Raw material compounded cream 1 (kg) compounded cream II (kg) compounded cream III (kg)
4% diflubenzuron missible oil 62.3--
7% diflubenzuron missible oil-46.5-
12% diflubenzuron missible oil--27.5
20% sumicidin missible oil 37.7--
2.5% time missible oil--20
50% malathion missible oil-53.5-
50% sumithion cream--52.5
Be mixed the still temperature (℃) 45 50 60
Mixing time (minute) 30 40 50
Composite dose of effective component content (%) 10 30 30
Above-mentioned each compounded cream all can form milky emulsion after adding entry, and the conventional spray method uses back wet malleability on crop leaf good.Can be used for preventing and treating multiple Lepidoptera, coleoptera, Diptera pest in the production.General diluted concentration is 1500-4000 times when using, and control efficiency can reach more than 90%.Use the back to come into effect in 1-5 hour, the longevity of residure can reach 13-18 days.
Claims (2)
1, a kind of diflubenzuron missible oil is characterized in that contained component of diflubenzuron missible oil and proportioning (percentage by weight) are as follows:
Deinsectization urea raw powder 2-15%
Dimethyl sulfoxide (DMSO) 5-30%
Dimethylbenzene 30-80%
Methyl alcohol 4-10%
Acetone 1-5%
N-methyl-2-is than pyrrolidone 0.5-2%
Phenethyl phenyl APEO and polyoxyethylene nonylphenol ether 5-15%
More than each component sum be 100%.
2, the purposes of the described missible oil of a kind of claim 1, it is characterized in that this diflubenzuron missible oil can with the composite use of pyrethroid insecticidal emulsifiable concentrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94105887A CN1059777C (en) | 1994-06-01 | 1994-06-01 | Urea compounded cream pesticide and producing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94105887A CN1059777C (en) | 1994-06-01 | 1994-06-01 | Urea compounded cream pesticide and producing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1097927A CN1097927A (en) | 1995-02-01 |
| CN1059777C true CN1059777C (en) | 2000-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94105887A Expired - Fee Related CN1059777C (en) | 1994-06-01 | 1994-06-01 | Urea compounded cream pesticide and producing process thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105028461A (en) * | 2015-08-24 | 2015-11-11 | 江阴苏利化学股份有限公司 | Insecticidal composition containing diflubenzuron and deltamethrin and application thereof |
| CN109769853A (en) * | 2019-03-18 | 2019-05-21 | 安阳全丰生物科技有限公司 | A kind of complex composition and its application containing organophosphorus insecticides and chitin synthesis inhibitor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2027346A (en) * | 1978-08-03 | 1980-02-20 | Du Pont | Insecticidal compositions and preparation and use thereof |
| EP0070078A2 (en) * | 1981-07-13 | 1983-01-19 | Stauffer Chemical Company | Phosmet-diflubenzuron insecticidal composition and method for controlling undesirable insects by applying said composition |
| EP0201792A2 (en) * | 1985-05-09 | 1986-11-20 | American Cyanamid Company | Larvicidal compositions |
| CN1054881A (en) * | 1991-03-08 | 1991-10-02 | 韦德健 | The go out production method of young urea missible oil and Pesticidal combination thereof |
-
1994
- 1994-06-01 CN CN94105887A patent/CN1059777C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2027346A (en) * | 1978-08-03 | 1980-02-20 | Du Pont | Insecticidal compositions and preparation and use thereof |
| EP0070078A2 (en) * | 1981-07-13 | 1983-01-19 | Stauffer Chemical Company | Phosmet-diflubenzuron insecticidal composition and method for controlling undesirable insects by applying said composition |
| EP0201792A2 (en) * | 1985-05-09 | 1986-11-20 | American Cyanamid Company | Larvicidal compositions |
| CN1054881A (en) * | 1991-03-08 | 1991-10-02 | 韦德健 | The go out production method of young urea missible oil and Pesticidal combination thereof |
Non-Patent Citations (1)
| Title |
|---|
| ANONYMOUS: "Pesticide mixtures for control of insect pests", RESEARCH DISCLOSURE, vol. 207, no. 036, July 1981 (1981-07-01) * |
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| CN1097927A (en) | 1995-02-01 |
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