CN1102297A - Efficient suspension of chloro-cyanide pyrethrin insecticide - Google Patents
Efficient suspension of chloro-cyanide pyrethrin insecticide Download PDFInfo
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- CN1102297A CN1102297A CN 93108853 CN93108853A CN1102297A CN 1102297 A CN1102297 A CN 1102297A CN 93108853 CN93108853 CN 93108853 CN 93108853 A CN93108853 A CN 93108853A CN 1102297 A CN1102297 A CN 1102297A
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- suspending agent
- cypermethrin
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Abstract
This efficient insecticide suspension contains such components (Wt.%) as cis-and trans-alpha chloro-cyanide pyrethrin (0.5-20), thickening agent (0.5-2), anti-freezing agent (1-5), anticorrosive agent (0.2-1.0), surfactant (1-5) and water (rest) and features high effect and low cost.
Description
The present invention relates to efficient suspension of chloro-cyanide pyrethrin insecticide.
Pyrethrins is the long persistent pesticide of wide spectrum anelasticity, also can be used as domestic hygiene outdoor environment insecticide, in order to insects such as control mosquito, fly, cockroach, ants.But pyrethrins owing to adopt the pulvis formulation, has pollution to environment as its price comparison costliness of raw material of insecticide again at present.
The object of the invention is: providing a kind of is the suspending agent of active ingredient with the cypermethrin, and this suspending agent raw material is cheap, deinsectization drug effect height.
The present invention seeks to reach like this: a kind of suspension of chloro-cyanide pyrethrin insecticide is provided, this suspending agent is made up of following component and content (weight %): 1) by making raw material with industrial cypermethrin by made cypermethrin more than 93%, the IR-cis wherein of containing of crystallization-epimerization method, α-S and IS-cis, α-R accounts for 40～60%, IR trans, α-S and IS trans, α-R account for 60～40% cypermethrin cis and trans α body and account for 0.5～20%; Tackifier 0.5～2%; Antifreezing agent 1～5%, preservative 0.2～1.0%; Surfactant 1～5% and excess water are formed, owing to wherein contain α body as the insecticidal activity active isomer, so insecticidal effect is splendid.
The present invention is described in detail below in conjunction with embodiment.
Cypermethrin has higher insecticidal activity, and its chemical structural formula is as follows:
It has eight isomer:
In above eight isomer, a) and e) higher insecticidal activity is arranged, and other isomer is a poor efficiency or invalid.A) body and e) body is contained in cis and the trans α body, so the α body is an active isomer, the β body then is the poor efficiency body.Common cypermethrin mostly is α body and β body mixture, and the α body accounts for 45%, and the β body accounts for 55%.
Also having a kind of insecticide to be called struggle on the market, is to be active ingredient with the alpha-cypermethrin, though insecticidal effect is better, owing to only adopt alpha-cypermethrin, needs complicated lock out operation and production cost height.
Feature of the present invention is that the employing publication number is 104580A, and application number is 88106194.2, and " preparation of high efficiency cis-and trans-cypermethrin " method of university of Nan Tian application is made raw material.Make raw material (content 90～95%) with the cypermethrin of industrial goods in the method, carry out crystallization-epimerization in isopropyl alcohol-triethylamine solvent, wherein the β body transfers the α body to.This production method technology is simple, need not complex device, thereby production cost is low, but suitability for industrialized production, the present invention adopts such raw material, and cost reduces naturally significantly, and insecticidal effect is identical with commercially available struggle.
Suspension of chloro-cyanide pyrethrin insecticide of the present invention is not a pulvis, because the pulvis contaminated environment.
The present invention is to make raw material by the made cypermethrin 93(weight that contains of crystallization-epimerization method with industrial cypermethrin) the above and IR-cis wherein of %, α-S and IS-cis, α-R accounts for 40～60(weight) %, IR trans, α-S and IS trans, α-R accounts for 60～40(weight) cypermethrin cis and the trans α body of % account for 0.5～20(weight) %; Tackifier 0.5～2(weight) %; Antifreezing agent 1～5%, preservative 0.2～1.0%; Surfactant 1～5% and excess water.The used tackifier preferably ASe-60(factory that orientalizes are produced), used antifreezing agent is ethylene glycol preferably, used preservative is tpn (Hunan insecticide factory product), carbendazim (Wu County, Jiangsu insecticide factory product), formaldehyde preferably, and surfactant is OP-10(alkylbenzene APEO preferably) (chemical plant, Dalian product).
Suspending agent method for making of the present invention is: earlier will be by made cypermethrin cis of the present invention of crystallization-epimerization method and trans α body, suitable quantity of water and surfactant ground in grinder 1～2 hour, make the active ingredient fineness reach 1～2 μ m, suspensibility is more than 90%, adding antifreezing agent, tackifier, preservative again, to be transferred to viscosity be 1000～2000 centipoises, can obtain the stable suspersion agent.
The our factory entrusts Guangdong Province health and epidemic prevention station, to contain active ingredient 5(weight of the present invention) Co., Ltd's product 1.5% is struggled and is carried out the desinsection comparative trial in the colloidal suspending agent of cypermethrin (5% defends the clean colloidal suspending agent of evil) of % and the shell, and its result is as follows:
1. trial drug:
(1) " 5% defends evil only " colloidal suspending agent (containing cypermethrin 5%), insecticide factory provides by Shunyi, Beijing.
(2) " 1.5% struggle " colloidal suspending agent (Co., Ltd in the shell) is done the experiment contrast.
2. for the examination insect:
(1) culex pipiens fatigans (Culex pipiens quinquefasciatus) is got the female adult mosquito that sprouts wings and do not suck blood in the 2nd day.
(2) housefly (Musca domestica) is got the 4th day adult in back that sprout wings, male and female half and half.
(3) American cockroach (Periplaneta americana) is got bodily form stalwartness, limbs do not have incomplete adult, male and female half and half.
More than I stand laboratory rearing for the test kind for the examination department of entomology.
3. experimental condition:
Contact plate face: three kinds of glass plates, cement plate, lime plate.
Force contactor: long * wide * high=10 * 5 * 5(cm), the high lucite fulcrum of attached 0.5cm below the movable pressing board, make pressing plate from contact-making surface apart from 0.5cm.
Glass funnel: bore is 10cm.
Laboratory temperature: 26 ± 1 ℃, relative temperature 60 ± 5%.
4. test method:
(1) test mosquito, fly:
Accurately evenly dispenser on above-mentioned each plate face, 5% defends the clean colloidal suspending agent of evil and 1.5% struggle colloidal suspending agent dosage is 10aimg/m
2, mosquito or fly being placed force in the contactor, relief examination worm contact medicine plate face is observed lethality when knocking down number and 24h in the different time.
(2) test cockroach:
Evenly dispenser on above-mentioned each plate face, 5% defends the clean colloidal suspending agent of evil and 1.5% struggle colloidal suspending agent dosage is 15aimg/m
2, American cockroach is placed in the glass funnel of back-off, after it is moved to medicament plate face, observe lethality when knocking down number and 72h in the different time.
(3) testing time:
I.e. test in first day is once deposited at 50 ℃ of insulating boxs later on after dispenser, (deposits half a year) test week about quite naturally and tests once, tests altogether five times.
(4) above test respectively repeats 3 times, and establishes blank simultaneously, if blank group lethality is no more than 20%, then uses the abbott formula correction, reforms if surpass cancellation in 20% o'clock.
(5) all test datas are all with the computing of machine value analytical method.
Result and analysis
1.5% defends the clean jelly of evil and the 1.5% struggle speed of colloidal suspending agent on different plate faces is killed effect:
(1) 5% defends the clean colloidal suspending agent of evil and 1.5% struggles colloidal suspending agent on glass plate, lime plate and cement board surface, and using dosage is 10aimg/m
2, 5% defend the clean colloidal suspending agent of evil to the KT (KT50) of mosquito be respectively 6.69,8.46,7.91min, to the KT of fly be respectively 4.15,7.88,4.89min, lethality is 100%(and sees Table one, two when mosquito and fly 24h); And 1.5% struggle colloidal suspending agent to the KT of mosquito be respectively 6.78,8.98,9.95min, to the KT of fly be respectively 5.30,6.32,7.87min, lethality is 100%(and sees Table one, two when mosquito and fly 24h).
Table one 5% is defended the clean 1.5% struggle colloidal suspending agent that reaches of evil the speed of mosquito is killed effect
W=defends the clean F=struggle of evil
Table two 5% is defended the clean 1.5% struggle colloidal suspending agent that reaches of evil the speed of fly is killed effect
W=defends the clean F=struggle of evil
(2) 5% defend the clean colloidal suspending agent of evil and 1.5% struggles colloidal suspending agent on glass plate, lime plate and cement board surface, and using dosage is 15aimg/m
2, 5% defend the clean colloidal suspending agent of evil to the KT (KT50) of cockroach be respectively 10.25,10.36,10.61min, the 72h lethality is 100%
(seeing Table three); And 1.5% struggle colloidal suspending agent to the KT of cockroach be respectively 10.19,12.55,12.26min, the 72h lethality is 100%(and sees Table three).
Table three 5% is defended the clean 1.5% struggle colloidal suspending agent that reaches of evil the speed of cockroach is killed effect
W=defends the clean F=struggle of evil
As seen, 5% defends the clean colloidal suspending agent of evil all has knockdown effect and good lethal effect faster to mosquito, fly and cockroach on above-mentioned plate face, and similar to 1.5% struggle colloidal suspending agent, shows good speed and kills effect.
2.5% defends the clean colloidal suspending agent of evil and 1.5% struggle colloidal suspending agent holds the effect killing effect at different plate faces:
5% defends the clean colloidal suspending agent of evil and 1.5% struggle colloidal suspending agent is stored in 4 all processes in 50 ℃ at glass plate, lime plate and cement plate, 5% defends the clean colloidal suspending agent of evil is respectively 7.01～9.94 to the KT of mosquito, 10.21～17.10,10.22～16.25min is respectively 4.19～6.43,8.19～10.21 to the KT of fly, 8.88～10.65min, KT to American cockroach is respectively 9.96～13.66, and 11.21～17.53,13.06～19.01; And 1.5% struggle colloidal suspending agent is respectively 7.33～8.45 to the KT of mosquito, 9.97～15.75,9.98～15.88min, KT to fly is respectively 5.30～6.24,7.21～10.33,7.03～9.55min is respectively 10.06～12.21 to the KT of cockroach, 10.76～18.88,12.33～18.99min(sees Table four, five, six).
5% defends the clean colloidal suspending agent of evil when the lime plate has cement board surface in 50 ℃ of 4 weeks of heated at constant temperature to the (being equivalent to nature deposited 2 years), the lethality rate of mosquito is descended to some extent, but still have good killing effect.And 1.5% struggle colloidal suspending agent is in lime plate and cement board surface during in 50 ℃ of 3 weeks of heated at constant temperature to the (being equivalent to nature deposited 1.5 years), lethality rate to mosquito begins to descend, but during to the 4th week (being equivalent to nature deposited 2 years), lethality rate still reaches more than 85% and (sees Table four).
Table four .5% defends the clean and 1.5% struggle colloidal suspending agent of evil mosquito is held the effect killing effect
W=defends the clean F=struggle of evil
Table five .5% defends the clean and 1.5% struggle colloidal suspending agent of evil fly is held the effect killing effect
Continuous table 5
W=defends the clean F=struggle of evil
Table six .5% defends the clean and 1.5% struggle colloidal suspending agent of evil cockroach is held the effect killing effect
Continuous table 6
W=defends the clean F=struggle of evil
In sum, 5% defends the clean colloidal suspending agent of evil all shows insecticidal action quick-acting, that hold effect to culex pipiens fatigans, housefly and American cockroach on glass plate, lime plate and cement board surface, especially remarkable to the killing effect of housefly, its drug effect is similar to 1.5% struggle colloidal suspending agent.
Beta-cypermethrin insecticidal effect of the present invention is similar to struggle colloidal suspending agent effect medicine, on glass plate, lime plate and cement board surface, culex pipiens fatigans, housefly and American cockroach, cockroach all there are knockdown effect and good lethal effect faster, but the present invention is owing to adopt that to make active ingredient with made cypermethrin cis of crystallization-epimerization and trans α body more much lower than the production cost that this struggle makes active ingredient with alpha-cypermethrin, this is the advantage that the present invention gives prominence to, because the raw material difference makes the present invention have outstanding competitiveness.But suspending agent safely use of the present invention in the kitchen, restaurant and food storage and processing site, warehouse metope, roof etc., in order to insects such as control mosquitos and flies, thin up sprays for 100 times again and gets final product, drug effect can keep 1～2 month, and is easy to use, safe.
Embodiment 1
With the made cypermethrin Shun Shi of crystallization-epimerization method and trans α body as active ingredient, its content is: 20(weight) %, ASe-60: 1.0(weight) %, ethylene glycol: 5(weight) %, carbendazim: 0.2(weight) %, OP-10: 3(weight) % and excess water are formed, and contain 5(weight in its effect and the above-mentioned test example) the suspending agent drug effect of % active ingredient is similar.
Embodiment 2
With the made cypermethrin cis of crystallization-epimerization method and trans a body as active ingredient, its content is: 5(weight) %, Ase-60: 1.5(weight) %, ethylene glycol: 5(weight) %, sterilization ling: 0.3(weight) %, OP-10: 2.5(weight) the % surplus is a water, contains 5(weight in the drug effect of made suspending agent and the above-mentioned test example) suspending agent of % active ingredient is similar.
Embodiment 3
With the made cypermethrin cis of crystallization-epimerization method and trans a body as active ingredient, its content is: 1.5(weight) %, ethylene glycol: 5(weight) %, Ase-60: 1.0(weight) %, formaldehyde 0.4(weight) %, OP-10: 3.5(weight) %, surplus is a water, contains 5(weight in the drug effect of made suspending agent and the above-mentioned test example) suspending agent of % active ingredient is similar.
Claims (4)
1, efficient suspension of chloro-cyanide pyrethrin insecticide is characterized in that being made up of following component and content (weight %):
1) by making raw material with industrial cypermethrin by made more than the 93% and wherein IR-cis of cypermethrin that contains of crystallization-epimerization method, α-S and IS-cis, α-R accounts for 40～60%, IR trans, α-S and IStrans, α-R account for 60～40% cypermethrin Shun Shi and trans α body and account for 0.5～20% altogether;
2) tackifier 0.5～2%;
3) antifreezing agent 1～5%;
4) preservative 0.2～1.0%;
5) surface-active cuts open 1～5%;
6) water surplus.
2, according to the said efficient suspension of chloro-cyanide pyrethrin insecticide of claim 1, it is characterized in that: said tackifier are Ase-60.
3, according to the said efficient suspension of chloro-cyanide pyrethrin insecticide of claim 1, it is characterized in that: said antifreezing agent is an ethylene glycol.
4, according to the said efficient suspension of chloro-cyanide pyrethrin insecticide of claim 1, it is characterized in that: said preservative is tpn, carbendazim, formaldehyde.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93108853A CN1038215C (en) | 1993-07-26 | 1993-07-26 | Efficient suspension of chloro-cyanide pyrethrin insecticide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93108853A CN1038215C (en) | 1993-07-26 | 1993-07-26 | Efficient suspension of chloro-cyanide pyrethrin insecticide |
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| Publication Number | Publication Date |
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| CN1102297A true CN1102297A (en) | 1995-05-10 |
| CN1038215C CN1038215C (en) | 1998-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN93108853A Expired - Fee Related CN1038215C (en) | 1993-07-26 | 1993-07-26 | Efficient suspension of chloro-cyanide pyrethrin insecticide |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061216C (en) * | 1997-03-31 | 2001-01-31 | 中国农业科学院植物保护研究所 | High-efficiency cypermethrin and shachongdan combined insecticidal preparation |
| CN101331882B (en) * | 2008-07-25 | 2011-03-23 | 华南农业大学 | Paecilomyces javanicus and efficient cypermethrin compound pesticides |
| CN101317580B (en) * | 2008-07-04 | 2011-03-23 | 华南农业大学 | Mixed insecticide of paecilomyces fumosa-roseus brown et smith and high-efficiency cypermethrin |
| CN102845491A (en) * | 2012-09-11 | 2013-01-02 | 启东新加源化工有限公司 | Fly disinfestation agent |
| CN102919220A (en) * | 2012-11-01 | 2013-02-13 | 中农立华生物科技股份有限公司 | Low-melting-point compound suspending agent and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI1000887A2 (en) * | 2010-03-31 | 2011-03-15 | Mogivet Farmaceutica Ltda | parasiticidal formulation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2761902B2 (en) * | 1988-10-19 | 1998-06-04 | 東邦化学工業株式会社 | Oil-in-water suspension pesticide composition with good storage stability |
-
1993
- 1993-07-26 CN CN93108853A patent/CN1038215C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061216C (en) * | 1997-03-31 | 2001-01-31 | 中国农业科学院植物保护研究所 | High-efficiency cypermethrin and shachongdan combined insecticidal preparation |
| CN101317580B (en) * | 2008-07-04 | 2011-03-23 | 华南农业大学 | Mixed insecticide of paecilomyces fumosa-roseus brown et smith and high-efficiency cypermethrin |
| CN101331882B (en) * | 2008-07-25 | 2011-03-23 | 华南农业大学 | Paecilomyces javanicus and efficient cypermethrin compound pesticides |
| CN102845491A (en) * | 2012-09-11 | 2013-01-02 | 启东新加源化工有限公司 | Fly disinfestation agent |
| CN102919220A (en) * | 2012-11-01 | 2013-02-13 | 中农立华生物科技股份有限公司 | Low-melting-point compound suspending agent and preparation method thereof |
| CN102919220B (en) * | 2012-11-01 | 2014-05-28 | 中农立华生物科技股份有限公司 | Low-melting-point compound suspending agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1038215C (en) | 1998-05-06 |
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