CN103355341B - Water-based electric heating mosquito repellent incense liquid - Google Patents
Water-based electric heating mosquito repellent incense liquid Download PDFInfo
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Abstract
The invention provides water-based electric heating mosquito repellent incense liquid. The water-based electric heating mosquito repellent incense liquid contains the following ingredients in percentage by weight: 0.05-5.0% of pyrethroid compound A and 20-70% of solvent ingredient B, wherein the pyrethroid compound A is a compound represented by a following formula (1) shown in a drawing, wherein R1 and R2 are identical or not identical and are H, Cl, methyl or trifluoromethyl, and R3 is H, methoxy methyl, methyl or methoxyl; and the solvent ingredient B is one or a combination of more of alcohol or ether compounds shown by R4-(OCH2CH2)n-O-R5, wherein n is an integer of 1 to 4, and R4 and R5 are -H, -CH3, -C2H5, -C3H7, -C4H9, -COCH3 or -CH2OCH. Compared with the conventional oily mosquito repellent incense liquid, the water-based mosquito repellent incense liquid provided by the invention is lower in cost and is more environmental-friendly.
Description
Technical field
The present invention relates to a kind of water-based electrothermal liquid mosquito-repellent incense of preventing and kill off sanitary insect pest.
Background technology
The conventional mosquito liquid of existing market is to adopt alkane solvents as carrier, and during use, alkane solvents evaporates in the air, and active ingredient is spread along with alkane solvent volatilization, thereby contact with target, produces drug effect.We can be described as oil-based liquid mosquito-repellent incense this series products, and this series products is used a large amount of alkane solvents, is mainly derived from Petroleum Industry, and not only cost is higher, and environment for use is also polluted.And the present invention has adopted water consumption substitution partial solvent, making has certain reduction on cost, and also more friendly to environment.
Domestic in addition also have patent to mention similarly water fluid mosquito-repellent incense at present; as mentioned in CN102232379A, adopt surfactant to add ethanol; we find such water fluid mosquito-repellent incense when research; surfactant molecule amount is generally larger; majority is polymer; the plug of supporting volatilization normally can cause later stage volatilization more and more slower because this base polymer stops up, and has obvious volatilization non-uniform phenomenon.Although and in patent CN102077836A, do not use surfactant, used the sulfolane solvent of sulfur-bearing, this solvent corrosion is relatively strong, and high temperature can decomposite sulphur dioxide, exists and uses hidden danger.
Summary of the invention
The object of the invention is to: a kind of water-based electrothermal liquid mosquito-repellent incense is provided, can overcomes the shortcoming of above prior art, obtain reliable and stable water base electric liquid device.
Another object of the present invention is: the preparation method that described water-based electrothermal liquid mosquito-repellent incense is provided.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of water-based electrothermal liquid mosquito-repellent incense is provided, and by weight percentage, it contains 0.05%～5% pyrethroid compound A and 20%～70% solvent composition B; Described pyrethroid compound A is selected from the compound shown in following formula (1)
R wherein
1and R
2can be identical or not identical H, Cl, methyl or trifluoromethyl; R
3for H, methoxy, methyl or methoxy;
Described solvent composition B is general formula R
4-(0CH
2cH
2) n-O-R
5the mixture of one or more in shown compound, wherein n gets 1～4 integer, R
4and R
5can for-H ,-CH
3,-C
2h
5,-C
3h
7,-C
4h
9,-COCH
3or-CH
2oCH
3.Described-C
4h
9can be normal-butyl or isobutyl group; Described-COCH
3structure can be
Described component A preferably accounts for 0.1～2% of mosquito-repellent incense liquid gross weight.
Described B component preferably accounts for 35～70% of mosquito-repellent incense liquid gross weight
Pyrethroid compound shown in above-mentioned formula (1) has R/S optical siomerism and cis/trans isomery situation because of cyclopropane planar unsymmetrical, because connecting different R on two keys
1, R
2time can there is the situation of Z/E isomery.
Effective active composition in the present invention is preferably from following compound:
R in formula (1)
1, R
2for chlorine, R
3for H, and three-membered ring is partly 1R, anti-configuration, and pyrethroid compound A is 2,3,5,6-ptfe benzyl-1R, trans-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester (transfluthrin, Transfluthrin);
R in formula (1)
1, R
2for chlorine, R
3for methoxy, pyrethroid compound A is 2,3,5,6-tetrafluoro-4 methoxy benzyl-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester, or 2,3,5,6-tetrafluoro-4 methoxy benzyl-1R, trans-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester (chlorine fluorine ether chrysanthemum ester, meperfluthrin), or 2,3,5,6-tetrafluoro-4-methoxy benzyl-1R, cis-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester;
R in formula (1)
1, R
2for methyl, R
3for methoxy, pyrethroid compound A is 2,3,5,6-tetrafluoro-4-methoxy benzyl-3-(2-methylpropenyl)-2, and 2-dimethyl cyclopropane carboxylic acid ester (dimefluthrin, Dimefluthrin);
R in formula (1)
1for H, R
2for methyl, R
3for methoxy, pyrethroid compound A is 2,3,5,6-tetrafluoro-4-methoxy benzyl-3-acrylic-2, and 2-dimethyl cyclopropane carboxylic acid ester (methoxy benzyl Flumethrin, Matofluthrin);
R in formula (1)
1for H, R
2for trifluoromethyl, R
3for methoxy, be that pyrethroid compound A is 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester, 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester, 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-1R-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester or 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-1R, trans-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester (dextrorotation seven fluorine methothrins).
Any one in the preferred following compound of described solvent composition B or two or more mixtures: glycol dimethyl ether, ethylene glycol diethyl ether, butyl cellosolve, , diethyl carbitol, diethylene glycol (DEG) ethyl methyl ether, diethylene glycol dibutyl ether, ethylene monoacetate, ethylene acetate, diethylene glycol (DEG) acetic acid esters, 2-(methoxyl methyl base) ethanol, glycol monomethyl ether, ethylene glycol monoethyl ether, propyl cellosolve, ethylene glycol one isopropyl ether, ethylene glycol monobutyl ether (EGMBE), diethylene glycol (DEG), diethylene glycol monomethyl ether, carbitol, diethylene glycol (DEG) one propyl ether, DEGMBE, triethylene glycol, triethylene glycol monomethyl ether, triethylene glycol one ether, triethylene glycol monobutyl ether, tetraethylene glycol, tetraethylene glycol monomethyl ether, tetraethylene glycol dimethyl ether, tetraethylene glycol one ether, tetraethylene glycol diethyl ether, tetraethylene glycol one propyl ether, tetraethylene glycol one isopropyl ether, tetraethylene glycol monobutyl ether or pentaether.
Any one in the further preferred following compound of described solvent composition B or two or more mixtures: glycol dimethyl ether, ethylene glycol diethyl ether, butyl cellosolve, diethyl carbitol, diethylene glycol (DEG) ethyl methyl ether, diethylene glycol dibutyl ether, ethylene monoacetate, ethylene acetate, diethylene glycol (DEG) acetic acid esters, 2-(methoxyl methyl base) ethanol, glycol monomethyl ether, ethylene glycol monoethyl ether, propyl cellosolve, ethylene glycol one isopropyl ether, ethylene glycol monobutyl ether (EGMBE), diethylene glycol (DEG), diethylene glycol monomethyl ether, carbitol, diethylene glycol (DEG) one propyl ether, DEGMBE, triethylene glycol, triethylene glycol monomethyl ether, triethylene glycol one ether, triethylene glycol monobutyl ether or tetraethylene glycol.
Described water fluid mosquito-repellent incense can also further contain other auxiliary agent that accounts for gross weight 0.1%～3%.
Other described auxiliary agents comprise one or more the mixture in antioxidant, aromatic, preservative, secondary solvent.
Described antioxidant can be selected from BHT, BHA or different Vc sodium.
Described preservative can be selected from Sodium Benzoate, sodium dehydroacetate, potassium sorbate, Buddhist nun's platinum methyl esters or Kathon CG.
Described secondary solvent can be that carbon number is less than or equal to 5 alcohol or glycols, or part esters solvent, concrete example is as the alcohols such as ethylene glycol, propane diols, ethanol, normal propyl alcohol, isopropyl alcohol, n-butanol, sec-butyl alcohol, the tert-butyl alcohol, amylalcohol, the ester classes such as diisopropyl adipate, dibutyl adipate, isopropyl myristate, ATBC, tributyl 2-acetylcitrate.
The present invention also provides the preparation method of described water fluid mosquito-repellent incense, comprises the steps:
By the component A of described ratio and B and according to circumstances can select other auxiliary agents of adding in room temperature or be heated to be mixed to below solvent boiling point clarification, then add the deionized water of surplus, stir, filling to Packaging Bottle, insert drainage volatilization plug, screw enclosing cover, can make finished product.
The present invention can make active ingredient evaporate in space by vaporizer mosquito liquid heater, contacts with sanitary insect pest, reaches the object of driveing and killing sanitary insect pest.
Described insect can be various harmful insects, as the Nuscidae such as the Anopheless such as the Aedes such as the Culexs such as Culex pipiens pallens, Culex tritaeniorhynchus, Aedes aegypti, aedes albopictus, Anopheles sinensis, housefly, fruit bat, Tabanidae, Heleidae, Simulidae, etc. Diptera pest.
Embodiment
By the form of embodiment, explain in detail technical scheme of the present invention and effect below, but the present invention is not limited to following examples.FORMULATION EXAMPLE 1～14
By 0.6g 2,3,5,6-tetrafluoro-4-methoxy benzyl-3-(3,3, the fluoro-1-acrylic of 3-tri-)-2,2-dimethyl cyclopropane carboxylic acid ester, 0.2gBHT, 0.1g Sodium Benzoate, 40g B component, wherein the combined situation of B component in table 1, mix to clarification, add 59.1 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 1～14.
Table 1 FORMULATION EXAMPLE 1～14 B component situation
FORMULATION EXAMPLE 15
0.2g dextrorotation seven fluorine methothrins, 30g ethylene glycol monoethyl ether, 0.2gBHT, 0.15g potassium sorbate are mixed to clarification, add 69.45 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 15.
FORMULATION EXAMPLE 16
0.6g chlorine fluorine ether chrysanthemum ester, 2.8g n-butanol, 30g carbitol, 30g triethylene glycol, 0.2gBHT are mixed to clarification, add 36.4 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 16.
FORMULATION EXAMPLE 17
0.6g chlorine fluorine ether chrysanthemum ester, 1g tributyl 2-acetylcitrate, 50g ethylene glycol monoethyl ether, 0.2gBHT are mixed to clarification, add 482 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 17.
FORMULATION EXAMPLE 18
5.0g transfluthrin, 70g diethylene glycol (DEG) one propyl ether, 0.3gBHT are mixed to clarification, add 24.7 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 18.
FORMULATION EXAMPLE 19
0.6g dimefluthrin, 2g ethanol, 30g triethylene glycol monomethyl ether, 0.3gBHT are mixed to clarification, add 67.1 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 19.
FORMULATION EXAMPLE 20
0.3g methoxy benzyl Flumethrin, 30g diethylene glycol (DEG), 20g ethylene glycol monobutyl ether (EGMBE), 0.3gBHT are mixed to clarification, add 49.4 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 20.
FORMULATION EXAMPLE 21
0.05g dextrorotation seven fluorine methothrins, 5g diethylene glycol (DEG) acetic acid esters, 15g DEGMBE, 0.3gBHT are mixed to clarification, add 79.65 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make FORMULATION EXAMPLE 21.
FORMULATION EXAMPLE 22～28
By the transfluthrin of 0.05g, or chlorine fluorine ether chrysanthemum ester, or dimefluthrin, or methoxy benzyl Flumethrin, or dextrorotation seven fluorine methothrins, or 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester, or 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-1R-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester and 5g diethylene glycol (DEG) acetic acid esters, 15g DEGMBE mixes to clarification, add 79.95 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make respectively FORMULATION EXAMPLE 22～28.
FORMULATION EXAMPLE 29
The transfluthrin of 0.1g and 0.05g dextrorotation seven fluorine methothrins and 5g diethylene glycol (DEG) acetic acid esters, 15g DEGMBE are mixed to clarification, add 79.85 deionized waters, filling in 45ml Packaging Bottle after stirring, insert drainage volatilization plug supporting heater and make respectively FORMULATION EXAMPLE 29.
Comparative example 1
0.6g chlorine fluorine ether chrysanthemum ester, 99.2g carbon 14,0.2gBHT are mixed to filling in 45ml Packaging Bottle after clarification, insert drainage volatilization plug supporting heater and make comparative example 1.
Comparative example 2
By 0.6% chlorine fluorine ether chrysanthemum ester, 5% Tween-80 and the abundant mixing and stirring of 0.2%BHT, then add 0.3% Sodium Benzoate and deionized water and stirring even, finally add 30% ethanol, mix to filling in 45ml Packaging Bottle after clarification, insert drainage volatilization plug supporting heater and make comparative example 2.
Comparative example 3
By 0.6g chlorine fluorine ether chrysanthemum ester, PEG400,20g ethanol stirs, and adds 29.4g deionized water, mixes to filling in 45ml Packaging Bottle after clarification, inserts drainage volatilization plug supporting heater and makes comparative example 3.
Test experiments example 1
In the transparent simulation room of a 3.16m * 3.16m * 2.8m, by FORMULATION EXAMPLE 16 of the present invention and comparative example 1 and 2, carry out evaluation of pesticide effectiveness contrast, simulation room test method is with reference to GB13917.10-2009.Detailed process was as follows: by embodiment sample laser heating 2 hours, 120 hours, after 240 hours, put into transparent simulation room, with mosquito sucking tube, draw 100 female Culex pipiens pallens, put into simulation room testing arrangement, accurately smoked kill is 1 hour, in 1 hour, timer counter is knocked down the quantity of mosquito, according to result statistics, knocks down 50% examination worm (KT50) required time, the results are shown in table 2:
Table 2
Test result shows that the activity of water fluid mosquito-repellent incense of the present invention is more suitable with conventional oil vaporizer mosquito liquid (comparative example 1), compare with the water fluid mosquito-repellent incense (comparative example 2) of use surfactant, later stage activity is significantly improved, and does not stop up volatilization and slows down phenomenon.
Test experiments example 2
By FORMULATION EXAMPLE 8, FORMULATION EXAMPLE 11 and FORMULATION EXAMPLE 13, according to experimental example 1 method of testing, test, the results are shown in table 3:
Table 3.
Test result shows, adopts the combination of the B component in different the present invention can control the liquid volatilization time, thereby can prepare the sample of different service times.
Test experiments example 3
With reference to GBT 13917.10-2009, at 3.16m * 3.16m * 2.8m, simulate in room FORMULATION EXAMPLE 1～7,9～10,12,14,15,17～29 and comparative example 3, carry out the evaluation of pesticide effectiveness of water fluid mosquito-repellent incense time period second from the bottom, and evaluate according to standard-required, evaluation criterion be 1 hour Culex pipiens pallens rate of knockdown >=90% for A level active, rate of knockdown >=70% is that B level is active, and test result is shown in table 4.
The active rank test result of table 4. experimental example 3
Claims (8)
1. a water-based electrothermal liquid mosquito-repellent incense, is characterized in that, by weight percentage, it contains 0.05%～5.0% pyrethroid compound A and 20%～70% solvent composition B; Described pyrethroid compound A is selected from the compound shown in following formula (1)
R wherein
1and R
2for identical or not identical H, Cl, methyl or trifluoromethyl; R
3for H, methoxy, methyl or methoxy; Described solvent composition B is one or more the combination in DEGMBE, carbitol, triethylene glycol one ether or tetraethylene glycol.
2. water-based electrothermal liquid mosquito-repellent incense according to claim 1, is characterized in that: R in described formula (1)
1, R
2for chlorine, R
3for H, and three-membered ring is partly 1R, anti-configuration, and described pyrethroid compound A is 2,3,5,6-ptfe benzyl-1R, trans-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester.
3. water-based electrothermal liquid mosquito-repellent incense according to claim 1, is characterized in that: R in described formula (1)
1, R
2for chlorine, R
3for methoxy, pyrethroid compound A is 2,3,5,6-tetrafluoro-4 methoxy benzyl-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester, or 2,3,5,6-tetrafluoro-4 methoxy benzyl-1R, trans-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester, or 2,3,5,6-tetrafluoro-4-methoxy benzyl-1R, cis-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester.
4. water-based electrothermal liquid mosquito-repellent incense according to claim 1, is characterized in that: R in described formula (1)
1, R
2for methyl, R
3for methoxy, pyrethroid compound A is 2,3,5,6-tetrafluoro-4-methoxy benzyl-3-(2-methylpropenyl)-2,2-dimethyl cyclopropane carboxylic acid ester.
5. water-based electrothermal liquid mosquito-repellent incense according to claim 1, is characterized in that: R in described formula (1)
1for H, R
2for methyl, R
3for methoxy, pyrethroid compound A is 2,3,5,6-tetrafluoro-4-methoxy benzyl-3-acrylic-2,2-dimethyl cyclopropane carboxylic acid ester.
6. water-based electrothermal liquid mosquito-repellent incense according to claim 1, is characterized in that: R in described formula (1)
1for H, R
2for trifluoromethyl, R
3for methoxy, be that pyrethroid compound A is 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester, 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester, 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-1R-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester or 2, 3, 5, 6-tetrafluoro-4-methoxy benzyl-1R, trans-(Z)-3-(3, 3, the fluoro-1-acrylic of 3-tri-)-2, 2-dimethyl cyclopropane carboxylic acid ester.
7. water-based electrothermal liquid mosquito-repellent incense according to claim 1, is characterized in that: further comprise other auxiliary agent that accounts for mosquito-repellent incense liquid gross weight 0.1%～3%.
8. water-based electrothermal liquid mosquito-repellent incense according to claim 7, is characterized in that: other described auxiliary agents comprise one or more the mixture in antioxidant, aromatic, preservative, secondary solvent.
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