CN104273158A - Pyrethroid release control composition - Google Patents
Pyrethroid release control composition Download PDFInfo
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- CN104273158A CN104273158A CN201410529414.3A CN201410529414A CN104273158A CN 104273158 A CN104273158 A CN 104273158A CN 201410529414 A CN201410529414 A CN 201410529414A CN 104273158 A CN104273158 A CN 104273158A
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Abstract
The invention provides a pyrethroid release control composition. The pyrethroid release control composition comprises pyrethroid, wax and a carrier, wherein the weight part ratio of pyrethroid to wax is 100 to (2-60), and the steam pressure of pyrethroid is more than or equal to 1x10<-6>Pa at the temperature of 25 DEG C. Under the required condition, the release control composition can further comprise 0.4-120 parts by weight of low volatile solvents. According to the pyrethroid release control composition, the stable release of pyrethroid under the normal temperature condition can be realized, and the pyrethroid release control composition can be used for spatially dispelling pests, in particular to flying pests such as mosquitoes, flies and the like.
Description
Technical field
The present invention relates to a kind of composition of pyrethroid release control, the steady release of pyrethroid under normal temperature condition can be realized, kill insect for space, particularly the control of flying pest.
Background technology
Pyrethroid is the broad spectrum pesticide that a class can prevent and treat various pests, is widely used in the control of sanitary insect pest, especially the control of the flying pest such as mosquito, fly.Reach the effect of lasting space pest control, need pyrethroid sustained release in air, common mode is make pyrethroid sustained release within a certain period of time under heating condition, as coiled mosquito-repellent incense, electric mosquito repellent tablet, electric mosquito repellent liquid product is this type, but these products discharge because needs realize pyrethroid by hot conditions, energy ezpenditure is high and there is potential safety hazard, thus the mode realizing pyrethroid release under normal temperature mode has safety, the plurality of advantages such as easy to use, usually by the carrier of load pyrethroid is placed in suspension member mode under normal temperature condition, make pyrethroid Spontaneous release, another kind of mode is blow carrier through appendix insecticide by fan airstream, improves the rate of release of pyrethroid.
Chinese patent CN 101702914B discloses one and polyvinyl resin and insect-controlling agent (insecticide) is prepared the method for long filament 160 DEG C to 300 DEG C melting mixing.This long filament can be prepared into netted, rope further, the isostructural object of yarn is for preventing and treating arthropods class pest under normal temperature condition.The preferred insect-controlling agent of this invention is that the vapour pressure of 25 DEG C is less than 1 × 10
-6the pyrethroid insectide of mmHg.Material obtained by this melting mixing mode, due to insecticide need from resin material, migrate to resin surface after discharge, dispose procedure slowly, cannot implementation space anthelminthic effect, can only be applied to the obstruct insect protected effect of contact-type.
As the more easy mode of one, direct for pyrethroid appendix can be had the carrier surface of open structure, naturally place or realizing under fan airstream drive condition the slow releasing of pyrethroid.As Chinese patent CN101595864B discloses a kind of application method of fan-type insecticidal incense, comprise the fan assembly of leaching medicine body and splendid attire leaching medicine body.Insecticide dissolving is prepared into solution for adopting low boiling point solvent by the preparation method soaking medicine body in this invention, drug carrier will be soaked and immerse solution, or dissolution homogeneity is dropped on leaching drug carrier, dry in the air at normal temperature 25 DEG C and blow, or 30 DEG C-70 DEG C bakings, whole or most of solvent is evaporated completely, obtained leaching medicine body.
The present inventor finds the leaching medicine body obtained by this method, and the rate of release of insecticide ingredient has inhomogeneities clearly, insecticide rate of release in significantly downward trend gradually, even at the rate of release of end less than 50% of initial release speed; On the other hand, because insecticide release lacks buffer condition, rate of release is larger by the impact of the external conditions such as temperature, humidity, wind speed.
Summary of the invention
The present inventor is in order to solve the variety of problems of prior art, find through research, if pyrethroid and wax are mixed rear appendix by a certain percentage on carrier, no matter be under natural hanging condition, or under fan airstream drives, the stationarity of pyrethroid release is good unexpectedly, be in particular in that pyrethroid overall release rate in dispose procedure keeps stable, and rate of release is less by the impact of the external condition such as temperature, humidity, and adding of wax can reduce pyrethroid rate of release, extends working time.In addition, because wax is solid-state at normal temperatures, and be liquid under most of pyrethroid normal temperature, first valve state mixture can be formed after mixing with wax, be conducive to pyrethroid appendix on carrier.Further research finds, if add a certain proportion of low voc solvent simultaneously, under the prerequisite that can keep in release stationarity, improves rate of release, realizes the release control of pyrethroid.
Based on above-mentioned discovery, the present invention has following content:
A kind of pyrethroid release control composition, it comprises pyrethroid, wax and carrier, and its ratio is every 100 weight portion pyrethroids, containing 2-60 weight portion wax; Described pyrethroid is 25 DEG C of vapour pressure>=1 × 10
-6pa.
Described pyrethroid release control composition, the ratio after its optimization is every 100 weight portion pyrethroids, containing 4-40 weight portion wax.
Described pyrethroid release control composition, also can comprise: the low voc solvent of 0.4-120 weight portion further, the low voc solvent of preferred 0.8-80 weight portion.
Described pyrethroid release control composition, described pyrethroid is one or both in etrafluorine ethofenprox, transfluthrin, seven fluorine methothrins, dimefluthrin, metofluthrin, empenthrin.
Described pyrethroid release control composition, described wax is be any one in solid-state higher alkane, higher alcohol, higher fatty acid or high-grade aliphatic ester or both above mixtures under normal temperature.
Described pyrethroid release control composition, described low voc solvent is under 101.3KPa normal pressure, alkanes or esters solvent that initial boiling point is greater than 250 DEG C.
Described pyrethroid release control composition, described carrier medium is synthetic resin, vegetable fiber or take vegetable fiber as the paper of Raw material processing.
Described pyrethroid release control composition, described carrier is sheet, rugosity, netted, honeycomb or spongy.
In the present invention, the object of pyrethroid release control composition is to realize the steady release of pyrethroid under normal temperature condition, at normal temperatures, pyrethroid is released in air by volatilization mode, arrive and desirable kill insect effect, require that pyrethroid reaches certain concentration in atmosphere, concerning most of pyrethroid, its vapour pressure (25 DEG C) is 1.0 × 10
-8pa to 1.0 × 10
-1within the scope of Pa, variety classes pyrethroid is due to chemical constitution difference, and its vapour pressure is widely different, and 25 DEG C of vapour pressures are lower than 1.0 × 10
-6the pyrethroid of Pa is difficult to volatilize at ambient temperature and reaches the concentration of enough vermins-proof effects, and therefore pyrethroid of the present invention is 25 DEG C of vapour pressure>=1 × 10
-6the pyrethroid of Pa, described pyrethroid include but not limited in etrafluorine ethofenprox, transfluthrin, seven fluorine methothrins, dimefluthrin, metofluthrin, empenthrin one or both.
As mentioned above, the present inventor has found a kind of composition realizing pyrethroid steadily release under normal temperature condition, it comprises important component for " wax ", and " wax " of the present invention is broadly, is material that is solid-state, that have plasticity, the rear easily fusing of heating at normal temperatures.Specifically, described wax is be any one in solid-state higher alkane, higher alcohol, higher fatty acid, high-grade aliphatic ester or both above mixtures under normal temperature, these materials all can form first valve state mixture with pyrethroid, " buffering " effect is played to pyrethroid release, in addition, the first valve state mixture that wax and pyrethroid are formed contributes to the attachment of pyrethroid on carrier.
Higher alkane includes but not limited to the alkane of carbon number 20 to 60.
Higher alcohol includes but not limited to the high alcohol of carbon number 14 to 40, can list out myristyl alcohol, pentadecanol, palmityl alcohol, heptadecanol, stearyl alcohol, nonadecanol, arachidic alcohol, docosyl alcohol, tetracosanol, hexacosanol, n-octacosanol, melissyl alcohol etc.
Higher fatty acid includes but not limited to the higher fatty acid of carbon number 12 to 40, can list lauric acid, tridecanoic acid, myristic acid, pentadecanoic acid, palmitic acid, heptadecanol, stearic acid, nonadecanoic acid, arachidic acid, behenic acid, lignin acid, cerinic acid, montanic acid, melissic acid, lacceroic acid, the acid of leaf lice etc.
High-grade aliphatic ester is the ester type compound of solid under including but not limited to the normal temperature that the higher fatty acid of carbon number 12 to 40 is formed, include but not limited to the ester that the higher fatty acid of carbon number 12 to 40 and the high alcohol of carbon number 14 to 40 are formed further, and the glyceride of the higher fatty acid of carbon number 12 to 40, glycol ester, propylene glycol ester, lauric acid bay alcohol ester, palmitic acid nutmeg alcohol ester, soft ester acid melissa alcohol ester, glyceryl laurate ester, mono stearate glyceryl ester, glycol stearate etc. can be listed.
Described wax can derive from natural or Prof. Du Yucang, the native paraffin deriving from plant or animal is generally the two or more mixture comprised in above-mentioned higher alkane, higher alcohol, high-grade aliphatic ester, can list paraffin, microwax, Brazil wax, candelila wax, beeswax, Chinese wax, spermaceti, lanocerin etc.
In the release control composition comprising pyrethroid, wax and carrier, the release of wax to pyrethroid has buffering regulating action, realize the steady release of pyrethroid under normal temperature condition, the rate of release of pyrethroid can be reduced simultaneously, for needing the situation reducing pyrethroid rate of release, as for high insecticidal activity or the pyrethroid relatively with higher vapor pressure, wax has played reduction rate of release, the effect extended working time.But, the pyrethroid not high for insecticidal activity or vapour pressure is relatively low, rate of release decline can affect expelling worm effect, when adopting fan airstream to drive, can by improving rotation speed of the fan, improve pyrethroid rate of release, but under natural hanging condition, be then difficult to accomplish.Based on this problem, the present inventor studies discovery further, and on the composition basis of pyrethroid, wax, carrier, adding a certain proportion of low voc solvent under the prerequisite not reducing release stationarity, can improve pyrethroid rate of release.Based on this discovery, composition of the present invention, by changing the ratio of wax and low voc solvent Relative Quasi pyrethrins, reaches the effect regulating pyrethroid rate of release.
According to " in GB 18582-2008 indoor decorating and refurnishing materials interior wall coating limits of harmful substances " national standard, the definition of VOC (VOC) is: under 101.3KPa normal pressure, any initial boiling point is less than or equal to the organic compound of 250 DEG C, low voc solvent of the present invention is under 101.3KPa normal pressure, the organic solvent that initial boiling point is greater than 250 DEG C.Low voc solvent of the present invention due to boiling point high, volatility is low, and substantially non-volatile or evaporation rate is very slow at ambient temperature, therefore in use can remain on effect carrier playing and regulates pyrethroid rate of release.Described low voc solvent can be selected from alkane solvent, Exxsol D130 (ExxonMobil Chemical, boiling point 279-313 DEG C), G 250H (Total SA, boiling point 256-329 DEG C) can be listed, G 270H (Total SA, boiling point 260-291 DEG C), G3H (Total SA, boiling point 278-322 DEG C), carbon number be the alkane solvent etc. of more than 15; Can esters solvent be selected from, nutmeg isopropyl propionate, isopropyl palmitate etc. can be listed.
In release control composition of the present invention, when the content Relative Quasi pyrethrins of wax is too high (as more than 100%), large to " parcel " effect of pyrethroid, be difficult to the rate of release needed for realizing, when the content Relative Quasi pyrethrins of wax is too low (as lower than 1%), be difficult to reach the effect realizing pyrethroid and steadily discharge, when needs add low voc solvent, its consumption is 20%-200% relative to the consumption of wax is applicable.Therefore, in every 100 weight portion pyrethroids, containing 2-60 weight portion wax, 0.4-120 weight portion low voc solvent, the ratio after its optimization is every 100 weight portion pyrethroids, containing 4-40 weight portion wax, 0.8-80 weight portion low voc solvent.
The effect of carrier of the present invention is as medicament provides maintenance fixation, to material and shape, there is no particular limitation, preferably amass large material with air contact surfaces, as short texture, the material of good permeability, be beneficial to release and the diffusion of pyrethroid, support shapes can be sheet, rugosity, netted, honeycomb, spongy, carrier medium can be selected from inorganic or organic moulding material, inorganic material includes but not limited to pottery, glass fibre, wire netting, organic material material includes but not limited to synthetic resin (polyethylene, polypropylene, polystyrene, polyacrylonitrile, polyester, polyamide, polyvinyl chloride, ABS resin), vegetable fiber class (xylem fibre, cotton, fiber crops, cocoanut fiber etc.) and take vegetable fiber as the paper of Raw material processing, animal fiber class (wool, silk etc.), preferred material is synthetic resin, vegetable fiber and take vegetable fiber as the paper of Raw material processing.
Pyrethroid release control composition of the present invention is prepared by following methods:
By pyrethroid, the wax of described weight percent hundred, or the appropriate low boiling point solvent of pyrethroid, wax, low voc solvent, as ethanol, D25 (Total SA, boiling point 143 ~ 163 DEG C), D30 (ExxonMobil Chemical, boiling point 141 ~ 159 DEG C), heating for dissolving under 40 ~ 80 DEG C of conditions, be mixed with solution, described carrier is immersed in above-mentioned solution, or adopted by solution the mode appendix such as dropping, spraying, printing coating on carrier.The carrier of appendix liquid is dried in the air at normal temperature and blows 4-12 hour, low boiling point solvent is evaporated completely substantially, obtain pyrethroid release control composition.
Pyrethroid release control composition of the present invention can realize pyrethroid and steadily be released in air under normal temperature mode, reaches the good result killing insect.Normal temperature mode to comprise under normal temperature condition hanging or blows to by fan airstream the release that carrier accelerates pyrethroid, the mode of pyrethroid release is driven by fan airstream, the situation that can list, as being suspended on domestic electric fan mouth or air-conditioner air outlet, is placed on small electric fan air outlet etc.Field of employment is not particularly limited, can be used for the places such as room, wardrobe, tent, park, such as, in room, kill mosquito, fly, dirt mite, in wardrobe, prevent and treat the clothing class pests such as casemaking clothes moth, silverfish, attagenus piceus.Kill object and comprise the insect perched in above-mentioned place, the especially flying pest such as mosquito, fly.
Embodiment
Form below by way of concrete preferred embodiment binding tests example explains technical scheme of the present invention and effect in detail, but the present invention is not limited to following embodiment.
embodiment 1
A kind of pyrethroid release control composition, comprises: transfluthrin 100 weight portion; Paraffin 2 weight portion; And polyester fiber screen cloth carrier.
Preparation method: by 20g transfluthrin, 0.4g paraffin, 79.6gD30 mixing, under 50 DEG C of conditions, heating makes wax dissolve completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 1min and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air under normal temperature condition and blow 8h, obtain release control composition 1.
embodiment 2
A kind of pyrethroid release control composition, comprises: transfluthrin 100 weight portion; Paraffin 60 weight portion; And polyester fiber screen cloth carrier.
Preparation method: by 20g transfluthrin, 12g paraffin, 68gD30 mixing, under 60 DEG C of conditions, heating makes wax dissolve completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 30s and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air at normal temperature condition and blow 8h, obtain release control composition 2.
embodiment 3
A kind of pyrethroid release control composition, comprises: transfluthrin 100 weight portion; Brazil wax 30 weight portion; And polyester fiber screen cloth carrier.
Preparation method: by 20g transfluthrin, 6g Brazil wax, 74gD30 mixing, under 60 DEG C of conditions, heating makes wax dissolve completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 1min and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air under normal temperature condition and blow 8h, obtain release control composition 3.
embodiment 4
A kind of pyrethroid release control composition, comprises: transfluthrin 100 weight portion; Paraffin 60 weight portion; Solvent G20H 120 weight portion; And polyester fiber screen cloth carrier.
Preparation method: by 20g transfluthrin, 12g paraffin, 24gG20H, 44gD30 mixing, under 60 DEG C of conditions, heating makes wax dissolve completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 1min and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air under normal temperature condition and blow 8h, obtain release control composition 4.
embodiment 5
A kind of pyrethroid release control composition, comprises: etrafluorine ethofenprox 100 weight portion; Glycerin monostearate 30 weight portion; Isopropyl myristate 50 weight portion; And honeycomb cardboard carrier.
Preparation method: by 20g etrafluorine ethofenprox, 6g glycerin monostearate, 10g isopropyl myristate, the mixing of 64g ethanol, under 50 DEG C of conditions, heating makes wax dissolve completely, 1g liquid is evenly dripped the rectangle honeycomb cardboard at 70mm × 50mm × 5mm, dry in the air under normal temperature condition and blow 8h, obtain release control composition 5.
embodiment 6
A kind of pyrethroid release control composition, comprises: empenthrin 100 weight portion; Palmityl alcohol 20 weight portion; And burlap carrier
Preparation method: by 20g empenthrin, 4g palmityl alcohol, the mixing of 76g ethanol, under 50 DEG C of conditions, heating makes palmityl alcohol dissolve completely, 1g liquid is evenly dripped on the square burlap of 70mm × 70mm, dry in the air under normal temperature condition and blow 8h, obtain release control composition 6.
comparative example 1
By 20g transfluthrin, 80gD30 mixing, stirring and dissolving obtains transfluthrin liquid completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 1min and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air under normal temperature condition and blow 8h, obtain Comparative composition 1.
comparative example 2
Comparative composition, comprises: transfluthrin 100 weight portion; PVP K30 30 weight portion; And polyester fiber screen cloth carrier.
Preparation method: by 10g transfluthrin, 3g PVP K30, the mixing of 37g ethanol, stirring and dissolving obtains transfluthrin liquid completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 1min and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air under normal temperature condition and blow 8h, obtain Comparative composition 2.
comparative example 3
Comparative composition, comprises: transfluthrin 100 weight portion; Paraffin 0.5 weight portion; And polyester fiber screen cloth carrier.
Preparation method: by 20g transfluthrin, 0.1g paraffin, 79.9gD30 mixing, under 40 DEG C of conditions, heating makes wax dissolve and obtains transfluthrin liquid completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 1min and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air under normal temperature condition and blow 8h, obtain Comparative composition 3.
comparative example 4
Comparative composition, comprises: transfluthrin 100 weight portion; Paraffin 100 weight portion; And polyester fiber screen cloth carrier.
Preparation method: by 20g transfluthrin, 20g paraffin, 60gD80 mixing, under 80 DEG C of conditions, heating makes wax dissolve and obtains transfluthrin liquid completely, the square polyester fiber screen cloth of 65mm × 65mm × 2mm is put into after liquid soaks 30s and take out, unnecessary liquid is got rid of, make the liquid Weight control of immersion mesh sheet at about 1g, dry in the air under normal temperature condition and blow 8h, obtain Comparative composition 4.
comparative example 5
By 20g etrafluorine ethofenprox, the mixing of 80g ethanol, stirring and dissolving is complete, 1g liquid is evenly dripped the rectangle honeycomb cardboard at 70mm × 50mm × 5mm, dries in the air and blow 8h, obtain Comparative composition 5 under normal temperature condition.
comparative example 6
10g empenthrin, 40g ethanol are hybridly prepared into solution, 1g liquid are evenly dripped on the square burlap of 70mm × 70mm, dry in the air under normal temperature condition and blow 8h, obtain Comparative composition 6.
test case 1
By sample hanging obtained in above-described embodiment 1,5,6 and comparative example 1,2,3,4 at 28 ± 1 DEG C, in the room of relative moisture 60% ± 10%, keep air charge rate 50m3/hr, continue hanging 40 days, sample drug effect when testing 0,10,20,30,40 day respectively.
Efficacy testing method:
With reference to GB/T 13917.5-2009 method of testing, in the clear glass square chest of 70cm × 70cm × 70cm, discharge 50 Culex quinquefasciatus or housefly, after the activity of examination worm is normal, be suspended on glass square chest by little goalkeeper's sample central from bottom surface 40cm, close whole glass square box device, and timing immediately, every 2min checks down and out examination borer population, terminates test after 40min, according to the record result calculating K T50 time, test result is in table 1.
The efficacy testing of sample obtained in table 1 embodiment 1,5,6 and comparative example 1,2,5,6
From table 1 result, in embodiment 1,5,6, sample is within 0 to 40 day time, compare sample in ratio 1,2,5,6, efficacy testing KT50 value is more steady, show that the release of pyrethroid is more steady, avoid sample in comparative example in use initial stage and the too large problem of drug effect difference in latter stage, can realize stablizing, long-acting expelling worm effect.
test case 2
Sample obtained in above-described embodiment 2,3,4 and comparative example 1,2 is placed on 2.5W small fan dead ahead, and the distance of adjustment sample and fan, makes sample present position wind speed be 0.5m/s (being measured by air speed measuring apparatus).Environmental temperature remains on 28 ± 1 DEG C, relative moisture 60%, continuance test 15 days, sample drug effect when testing 0,5,10,15 day respectively.
Efficacy testing method:
With reference to 4.3 parts in GB/T 13917.8-1992, in the clear glass room of 3.3m × 3.3m × 2.8m, discharge 100 Culex quinquefasciatus, after the activity of examination worm is normal, sample is suspended on glass room central authorities, overhead 1.2m place, hangs a 2.5W small fan in sample levels direction, adjustment small fan distance, makes sample present position wind speed be 0.5m/s (being measured by air speed measuring apparatus).Experimenter leaves scene, fastens door, and timing immediately, every 5min checks down and out examination borer population, terminates after 1h, and according to the record result calculating K T50 time, test result is in table 2.
The efficacy testing of sample obtained in table 2 embodiment 2,3,4 and comparative example 1,2,3,4
From table 2 result, in embodiment 2,3,4, sample is within 0 to 15 day time, compare sample in ratio 1-3, efficacy testing KT50 value is obviously more steady, show that the release of pyrethroid is more steady, avoid sample in comparative example 1-3 in use initial stage and the too large problem of drug effect difference in latter stage, can realize stablizing, long-acting expelling worm effect.In embodiment 2,3, sample is by changing the relative amount of wax, can adjust pyrethroid rate of release, and in embodiment 4, sample is by adding low volatility G20H solvent, on the basis keeping drug effect stationarity, can promote insecticidal effect.In comparative example 3, in Comparative composition, wax phase is too low to pyrethroid ratio, without obvious steadily release control effect, and in comparative example 4 in Comparative composition wax phase too high to pyrethroid ratio, cause pyrethroid rate of release too slow, have impact on anthelminthic effect.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, therefore everyly do not depart from technical solution of the present invention content, the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (13)
1. a pyrethroid release control composition, is characterized in that: it comprises pyrethroid, wax and carrier, and its ratio is every 100 weight portion pyrethroids, containing 2-60 weight portion wax; Described pyrethroid is 25 DEG C of vapour pressure>=1 × 10
-6pa.
2. pyrethroid release control composition according to claim 1, is characterized in that: in described composition, and every 100 weight portion pyrethroids, containing 4-40 weight portion wax.
3. pyrethroid release control composition according to claim 1 and 2, is characterized in that: also comprise further in described composition: the low voc solvent of 0.4-120 weight portion, the low voc solvent of preferred 0.8-80 weight portion.
4. pyrethroid release control composition according to claim 1, is characterized in that: described pyrethroid is one or both in etrafluorine ethofenprox, transfluthrin, seven fluorine methothrins, dimefluthrin, metofluthrin, empenthrin.
5. pyrethroid release control composition according to claim 1, is characterized in that: described wax is be any one in solid-state higher alkane, higher alcohol, higher fatty acid or high-grade aliphatic ester or both above mixtures under normal temperature.
6. pyrethroid release control composition according to claim 5, is characterized in that:
Described higher alkane is selected from the alkane of carbon number 20 to 60;
Described higher alcohol is selected from the high alcohol of carbon number 14 to 40;
Described higher fatty acid is selected from the high-grade aliphatic ester of carbon number 12 to 40;
It is solid-state ester type compound under the normal temperature that the higher fatty acid that described high-grade aliphatic ester is selected from carbon number 12 to 40 is formed.
7. pyrethroid release control composition according to claim 6, it is characterized in that: the ester that the high alcohol of higher fatty acid and carbon number 14 to 40 that described high-grade aliphatic ester is selected from carbon number 12 to 40 is formed, and the glyceride of the higher fatty acid of carbon number 12 to 40, glycol ester, propylene glycol ester.
8. pyrethroid release control composition according to claim 5, is characterized in that: described wax is selected from wax that is natural or Prof. Du Yucang, comprises paraffin, microwax, Brazil wax, candelila wax, beeswax, Chinese wax, spermaceti, lanocerin.
9. pyrethroid release control composition according to claim 3, is characterized in that: described low voc solvent is under 101.3KPa normal pressure, alkanes or esters solvent that initial boiling point is greater than 250 DEG C.
10. pyrethroid release control composition according to claim 1, is characterized in that: described carrier medium is synthetic resin, vegetable fiber or take vegetable fiber as the paper of Raw material processing.
11. pyrethroid release control compositions according to claim 10, is characterized in that: described synthetic resin comprises polyethylene, polypropylene, polystyrene, polyacrylonitrile, polyester, polyamide, polyvinyl chloride, ABS resin; Described vegetable fiber comprises wood pulp cellulose, straw pulp fiber, cotton, fiber crops, cocoanut fiber.
12. pyrethroid release control compositions according to claim 1, is characterized in that: described carrier is sheet, rugosity, netted, honeycomb or spongy.
13. pyrethroid release control compositions according to any one of claim 1-12, is characterized in that: described composition, under normal temperature condition, kills insect for space, particularly flying pest.
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| CN107212017A (en) * | 2017-04-28 | 2017-09-29 | 重庆熵成生物科技有限公司 | A kind of aqueous mosquito-repellent incense liquid and preparation method thereof that volatilizees certainly |
| JP2018188379A (en) * | 2017-04-28 | 2018-11-29 | アース製薬株式会社 | Volatilization promotion method of pyrethroid compound, and volatilization promoter of pyrethroid compound |
| CN109874809A (en) * | 2019-03-15 | 2019-06-14 | 杨青菊 | A kind of afforestation trunk expelling parasite pack |
| CN111802403A (en) * | 2019-04-12 | 2020-10-23 | 杭州家得好日用品有限公司 | Deinsectization composition and deinsectization method |
| CN113854285A (en) * | 2021-10-25 | 2021-12-31 | 成都彩虹电器（集团）股份有限公司 | Mosquito-repelling volatile core and preparation method thereof |
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| WO2017098356A1 (en) * | 2015-12-09 | 2017-06-15 | Nek Chemicals Limited | Pesticide ointment and pasty pesticide applicator |
| CN106993627A (en) * | 2016-01-26 | 2017-08-01 | 成都彩虹电器（集团）股份有限公司 | It is a kind of from volatile-type mosquito-repellent incense liquid and preparation method thereof |
| CN106993627B (en) * | 2016-01-26 | 2019-11-08 | 成都彩虹电器（集团）股份有限公司 | One kind is from volatile-type mosquito-repellent incense liquid and preparation method thereof |
| CN107212017A (en) * | 2017-04-28 | 2017-09-29 | 重庆熵成生物科技有限公司 | A kind of aqueous mosquito-repellent incense liquid and preparation method thereof that volatilizees certainly |
| JP2018188379A (en) * | 2017-04-28 | 2018-11-29 | アース製薬株式会社 | Volatilization promotion method of pyrethroid compound, and volatilization promoter of pyrethroid compound |
| JP7219000B2 (en) | 2017-04-28 | 2023-02-07 | アース製薬株式会社 | Method for promoting volatilization of pyrethroid compound and volatilization accelerator for pyrethroid compound |
| CN109874809A (en) * | 2019-03-15 | 2019-06-14 | 杨青菊 | A kind of afforestation trunk expelling parasite pack |
| CN111802403A (en) * | 2019-04-12 | 2020-10-23 | 杭州家得好日用品有限公司 | Deinsectization composition and deinsectization method |
| CN113854285A (en) * | 2021-10-25 | 2021-12-31 | 成都彩虹电器（集团）股份有限公司 | Mosquito-repelling volatile core and preparation method thereof |
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