Insecticidal and insecticidal aerosol composition to obtain, method of combating harmful insects

 

(57) Abstract:

Describes the insecticidal composition containing (a) 0.4 to 3% by weight of 2,4-dioxo-1-(2-PROPYNYL)imidazolidin-3-yl-chrysanthemate, (b) 2.5 to 40 % by weight of ester of fatty acid with 16 to 19 carbon atoms, (C) 2.5 to 12.5 percent by weight of ester sorbitan and fatty acids, (d) 0.5 to 1% by weight, of at least one alcohol selected from the group consisting of ethanol, 1-propanol, 2-propanol, of ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropyleneglycol, butyleneglycol and glycerol, and (e) 46,5-93,5% by weight of a saturated hydrocarbon with 8-18 carbon atoms; (f) 0-1,5% by weight of another insecticide-active ingredient selected from the group comprising-cyano-3-phenoxybenzophenone, esfenvalerate and cypermethrin, and (q) 0-10% of a synergist GK264. Also described insecticidal aerosol containing 10-25% by weight of the insecticidal composition, 50-60% by weight of water and 20 to 40% by weight of propellant representing liquefied petroleum gas. Described and a method of combating harmful insects, consisting in the application of the insecticide spray. The technical result - the composition is not precipitated during storage, sustainable, aerosol is a sustainable product, the division of NHTSA to insecticidal aerosol preparation and insecticidal compositions used to retrieve the aerosol product.

2,4-Dioxo-1-(2-PROPYNYL)imidazolidin-3-yl-Hrizantema is an insecticidal compound, which is described in U.S. patent 4176189, and from the United Kingdom patent V known that the insecticidal activity of compounds, mainly against cockroaches, strengthen the addition of some ester compounds.

However, it is not known insecticidal aerosol composition, water-based, containing as the active ingredient 2,4-dioxo-1-(2-PROPYNYL)imidazolidin-3-yl-Hrizantema that show increased activity during the extermination of cockroaches and a very high resistance.

Because aerosols based on water easily separated into the aqueous phase (emulsion) and the organic phase, even if they shake well before spraying, the separation of the aqueous and organic phase occurs during sputtering, and the insecticidal activity often becomes unstable.

The present invention provides for insecticidal aerosol, which is an aerosol water-based, containing as the active ingredient 2,4-dioxo-1-(2-PROPYNYL)imidazolidin-3-yl, x is s occurs with a very low speed and, in addition, it provides an insecticidal composition used to produce the aerosol product.

Insecticidal composition of the present invention contains (a) 0.1 to 10% by weight of 2,4-dioxo-1-(2-PROPYNYL)imidazolidin-3-yl-chrysanthemate, (C) 2.5 to 50% by weight of ester of fatty acid with 16 to 19 carbon atoms, (C) 2.5 to 30% by weight of the ether cobriana and fatty acids, (d) 0.5 to 1% by weight, of at least one alcohol selected from the group consisting of ethanol, 1-propanol, 2-propanol, of ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropyleneglycol, butyleneglycol and glycerol, preferably propylene glycol, and (e) 40-93,5% by weight Kasyanova hydrocarbon with 8-18 carbon atoms, preferably a saturated carbon straight chain containing 12 to 16 carbon atoms. Such insecticidal composition has a high stability of the active ingredients during storage.

Insecticidal spray comprising 5-30% by weight of the above-mentioned insecticidal compositions, 40-85% by weight of water and 10-50% in weight of the dispersant, is an aerosol water-based, which has a high resistance, i.e., the separation of the aqueous phase and the organic phase after shaking occurs with very low is IGNOU activity and active ingredient contained therein, stable during storage.

In the present invention as esters of fatty acids with 16 to 19 carbon atoms are used esters disclosed in UK patent V, and from the viewpoint of stability of the insecticidal composition, preferred are esters of monocarboxylic acids, their examples include isopropylmyristate, isopropyl, exellent and similar compounds.

Esters monosilicon and fatty acids used in the present invention, known usually as emulsifiers, and examples of esters sorbitan and fatty acids are sorbitanoleat, servicemanuals and similar compounds.

Can be used available on the market Rheodol SP-L10 (sorbitanoleat, manufactured by Kao Co. , Ltd.) and Rheodol SP-L10 (servicemanual, manufactured by Kao Co., Ltd.).

Examples of saturated hydrocarbons with 8-18 carbon atoms, used in the present invention include saturated hydrocarbons with normal chain (normal paraffin hydrocarbon), a saturated hydrocarbon with a branched purpose (isoparaffinic hydrocarbon), cyclic saturated in the paraffin hydrocarbon with 14 to 18 carbon atoms, produced by Exxon Chemical To. Co., Ltd.), Neo-chiozol (normal paraffin hydrocarbon with 12-14 carbon atoms, manufactured by Chuo kasi Co., Ltd.), Exxsol D-40 (saturated naphthenic hydrocarbons from 8 to 11 carbon atoms and paraffin from the company Exxon Chemical Co., Ltd. ), Exxsol D-80 (naphthenic and paraffin rich hydrocarbon with 10-13 carbon atoms from the company Exxon Chemical Co., Ltd.) and Isopar G (isoparaffinic saturated hydrocarbon with 9-11 carbon atoms, produced by Exxon Chemical Co., Ltd.).

In addition to the above ingredients (a)-(e), insecticidal compositions of the present invention can contain other insecticidal active ingredients, synergists, stabilizers, and similar substances.

Examples of other insecticidal active ingredients include phenothrin, cyphenothrin, permethrin, cypermethrin, deltamethrin, fenvalerate, esfenvalerate, etofenprox, propoxur and similar substances. They are contained in the insecticidal compositions of the present invention in an amount of about 0-15% by weight. Examples of synergists include piperonylbutoxide, MGK264 (active ingredient is N-(2-ethylhexyl)-5-norbornene-2,3-dicarboximide), N-(2-ethylhexyl)-1-isopropyl-4-methylbicyclo[2,2,2]Oct-5-ene-2,3-dicarboximide, octachlorodipropyl ether and podob% by weight. Examples of stabilizers include derivatives of phenol such as BHT (2,6-di-tert-butyl-p-cresol) and BHA (tert-butyl-4-methoxyphenol), derivatives of bisphenol a, arylamine, for example phenyl-naphtylamine, phenyl-naphtylamine and condensates of phenetidine and acetone; benzophenone compounds and similar compounds.

Insecticidal aerosols of the present invention is obtained by introducing the aerosol container of water and insecticidal compositions and loading a propellant. Optionally, insecticidal aerosol type corrosion inhibitor and preservative such as sodium benzoate and ammonium benzoate, perfume and similar substances.

The propellant includes liquefied petroleum gas, dimethyl ether, mixtures thereof and similar compounds.

Used water is preferably deionized or distilled water.

Insecticide aerosol is most suitable for combating cockroaches; it has impact activity and rapid action, it is used to deal with cockroaches, such as the red cockroach (Blattella qermanica), cockroach smoky-brown (Periplaneta fuliginosa), American cockroach (Periplaneta americana), brown cockroach (Periplaneta brunnea), black cockroach (Blatta opientalis), cockroach and legs (Supella longipalpa), cockroach island of Madeira (Leucophaea maderae) and Neostylopyga rhombifolia. The drug is also effective against other harmful insects, such as Diptera (two-winged insects, for example mosquitoes such as Culex pipiens pallens, Culex tritaniorhynchus, Aedes aegypti and Anopheles sinesis; gnats; homemade flies, such as Musca domestica, Muscina stabulans, Fannia canicularis; gray meat flies; the larvae of flies onion; fruit flies, estrocreme; baboonishly; mining flies, lowincome and so on; Hymenoptera (Hymenoptera), for example ants; hornets; wasps; sawyers; and the like, such as Isoptera, for example: Coptotermeg fonnosanus Shiraki; Reticulitermes speratus; and so on

Insecticidal composition of the present invention is a so-called premix (industrial intermediate connection) used to produce insecticidal aerosol formulation of the present invention. Insecticidal composition is virtually the problems associated with the deposition, at a time when it is maintained at room temperature. Therefore, it is appropriate composition for transportation and storage with the purpose to receive insecticide aerosol.

In more detail, the present invention is illustrated by the following example is emer 1.

To obtain insecticidal composition (1) of the present invention is mixed with 1.6% by weight of 2,4-dioxo-1-(2-PROPYNYL)-imidazolidin-3-yl 1R-CIS, TRANS-chrysanthemate (hereinafter "imiprothrin"), 20% by weight of isopropylmyristate, 6% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 71.9 percent by weight of Norpar 15 (mentioned above).

Insecticidal composition (1) store at room temperature during the day and then see whether there was a deposition and remained whether it is homogeneous.

Example 2.

Insecticidal composition (2) of the present invention receive the same manner as described in example 1, except that instead of 20% by weight of isopropylmyristate used 20% by weight of isopropylpalmitate.

Insecticidal composition (2) store at room temperature during the day and then see whether there was a deposition and remained whether it is homogeneous.

Example 3.

To obtain insecticidal composition (3) of the present invention is mixed with 2% by weight of imiprothrin, 22% by weight of isopropylmyristate, 10% by weight of Rheodol SP-L10 (mentioned above), 1% by weight of propylene glycol and 65% by weight of Neo-chiozol (mentioned above).

Example 4.

To obtain InSec is 10% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 66.5% by weight of Neo-chiozol (mentioned above).

Example 5.

Insecticidal composition (5) of the present invention receive the same manner as described in example 4, except that isopropylmyristate used in the amount of 40% by weight, instead of 20% by weight, and Neo-chiozol use in quantity 46,5% by weight, instead of 66,5% by weight.

Example 6.

To obtain insecticidal composition (6) of the present invention is mixed with 1.6% by weight of imiprothrin, to 21.6% by weight of isopropylmyristate, 6% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 70,3% by weight of Norpar 15 (mentioned above).

Example 7.

To obtain insecticidal composition (7) of the present invention is mixed with 1.6% by weight of imiprothrin, 4% by weight MGK 264 (synergist), 21.6 per cent by weight of isopropylmyristate, 6% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 66.3% by weight of Norpar 15 (mentioned above).

Example 8.

To obtain insecticidal composition (8) of the present invention are mixed with 0.4% by weight of imiprothrin, to 1.2% by weight of (S)--cyano-3-phenoxybenzyl 1R-TRANS-chrysanthemate (other insecticidal active ingredient), 20% by weight of isopropylmyristate, 6% by weight Rheo.

To obtain insecticidal composition (9) of the present invention are mixed with 0.4% by weight of imiprothrin, 1.2 percent by weight of esfenvalerate (other insecticidal active ingredient), 20% by weight of isopropylmyristate, 6% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 71.9 percent by weight of Norpar 15 (mentioned above).

Example 10.

To obtain insecticidal composition (10) of the present invention are mixed with 0.4% by weight of imiprothrin, 1.2 percent by weight of cypermethrin (other insecticidal active ingredient), 20% by weight of isopropylmyristate, 6% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 71.9 percent by weight of Norpar 15 (mentioned above).

Example 11.

To obtain insecticidal composition (11) of the present invention is mixed with 1.6% by weight of imiprothrin, 10.0 percent by weight MGK 264 (synergist), and 11.6% by weight of isopropylmyristate, 6% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 70,3% by weight of Norpar 15 (mentioned above).

Example 12.

To obtain insecticidal composition (12) of the present invention is mixed with 1.6% by weight of imiprothrin, to 21.6% by weight of isopropylmyristate, 5% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 71.3% by weight of Norpar 15 (mentioned above).

Example 14.

To obtain insecticidal composition (14) of the present invention is mixed with 0.5% by weight of imiprothrin, 0.5% by weight of esfenvalerate (other insecticidal active ingredient), to 2.5% by weight of isopropylmyristate, to 2.5% by weight of Rheodol SP-010 (mentioned above), 0.5% by weight of propylene glycol and 93.5% by weight of Exxsol D-40 (above).

Example 15.

To obtain insecticidal composition (15) of the present invention is mixed with 0.5% by weight of imiprothrin, 0.5% by weight of esfenvalerate (other insecticidal active ingredient), to 2.5% by weight of isopropylmyristate, to 2.5% by weight of Rheodol SP-010 (mentioned above), 0.5% by weight of propylene glycol and 93.5% by weight of Exxsol D-80 (mentioned above).

Example 16.

To obtain insecticidal composition (16) of the present invention are mixed with 0.4% by weight of imiprothrin, 0.4 percent by weight of (S)--cyano-3-phenoxybenzyl 1R-TRANS-chrysanthemate (other insecticidal active ingredient) to 20.4% by weight of isopropylmyristate, 5% by weight of Rheodol SP-L10 (mentioned above), 0.5% is secticides composition (17) of the present invention are mixed with 0.4% by weight of imiprothrin, 0.4 percent by weight of esfenvalerate (other insecticidal active ingredient) to 20.4% by weight of isopropylmyristate, 5% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol, and 73.3% by weight Neo-chiozol (mentioned above).

Example 18.

To obtain insecticidal composition (18) of the present invention are mixed with 0.4% by weight of imiprothrin, 0.4 percent by weight of cypermethrin (other insecticidal active ingredient) to 20.4% by weight of isopropylmyristate, 5% by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol, and 73.3% by weight Neo-chiozol (mentioned above).

Example 19.

To obtain insecticidal compositions (19) of the present invention is mixed with 1% by weight of imiprothrin, 1% by weight of (S)--cyano-3-phenoxybenzyl 1R-TRANS-chrysanthemate (other insecticidal active ingredient), 6% by weight of isopropylmyristate, 12.5 percent by weight of Rheodol SP-L10 (mentioned above), 0.5% by weight of propylene glycol and 79% by weight of Neo-chiozoi (mentioned above).

Example 20.

To obtain insecticidal composition (20) of the present invention is mixed with 1.5% by weight of imiprothrin, 0.5% by weight (S)--cyano-3-phenoxybenzyl 1R-TRANS-chrysanthemate (other insecticidal active ingredient), and 5.5% by weight of isopropylmyristate, 5% by weight of Rheodol SP-L10 (referred to the project on the stability of insecticidal aerosol, obtained from the insecticidal compositions of the present invention.

Example 21.

Fluid from 20 parts of the insecticidal composition, 50 parts by weight of deionized water and 30 parts by weight of liquefied petroleum gas is placed in a glass aerosol container and observe its condition. After storage for 1 week at 25oThe vessel is installed vertically and privertyvajut 20 times with an interval of 2 seconds. After this is installed in a vertical position on a horizontal stand and determine the speed of separation of the mixture in a glass jar in the aqueous phase and organic phase. The speed of separation is expressed as the time required for the thickness of the separated organic phase was 20% of the total thickness. The results are shown in table 1.

Comparative example 1 in the table shows the result when using insecticidal compositions obtained in the same way that the resulting composition in example 3, except that the propylene glycol in the amount of 1% by weight was not used, and instead of using 1% by weight Neo-chiozol, and comparative example 2 shows the result of applying insecticidal compositions, poluchenno the amount of 22% by weight was not used, instead use 22% by weight Neo-chiozol.

As you can see from the table above, insecticidal aerosol of the present invention maintains a stable emulsion insecticide compositions, water and dispersant over an extended period of time.

Example 22.

In the aerosol vessel load 25% by weight of the insecticidal composition of the present invention and 55% by weight to 0.2 wt.% an aqueous solution of ammonium benzoate. To obtain the aerosol vessel supply of the aerosol valve, through which portions of downloads to 20 wt.% liquefied petroleum gas. The test aerosol drug store at 40oWith in 6 months. To determine the residual indicator using gas chromatography to measure the contents of the ingredients. The results are shown in table 2.

Example 23.

In the aerosol vessel load 20% by weight of the insecticidal composition of the present invention and 60% by weight deionized water. Vessel supply valve and to obtain the aerosol through the valve portions upload 20% by weight of liquefied petroleum gas. The test aerosol drug store at 40oWith in 3 months. To obtain the residual indicator portablize 3.

The following are examples of tests insecticidal aerosol preparations of the present invention on insecticidal activity.

Example 24.

Ten red cockroaches (Blattella germanica) (five males and five females) produced in a cylindrical vessel (diameter 13 cm, height 10 cm) with a distance of 1 cm from the bottom of the wire mesh with holes. The vessel is placed in a glass cylinder (diameter 20 cm, height 60 cm), and then sprayed a specified number of the test aerosol, and glass cylinder quickly and carefully served. 30 seconds after spraying the vessel quickly pull out of a glass cylinder. Through 1, 2, 3, 5, 1, 10, 15 and 20 minutes after spraying count the number of dead cockroaches. The experience is repeated five times, the results and determine the average value of KT50(the time required for the destruction of 50% of the cockroaches) according to the method of the prohibition of bliss (Blis' prohibit method). The results are shown in table 4.

Example 25

In an aerosol vessel is placed 25% by weight of the insecticidal composition of the present invention and 55% by weight to 0.2 wt.% solution of ammonium benzoate. Vessel supply valve and to obtain the aerosol product through the valve under pressure portions of the load 20% by weight zijenah anticolana spray 1.0 g of aerosol medication. On each sheet placed plastic cylinders with a diameter of 18 cm and a height of 5 cm, on the inner surface of which is applied margarine to prevent the escape of cockroaches. Ten red cockroaches (Blattella germanica, a strain resistant to pyrethroids), (five males and five females) produced on the cylindrical plastic and forcibly in contact with the test drug for two hours, and then count the number of dead cockroaches. The test three times and repeat from the dependence of the number of dead cockroaches from time diagrammatic technique Finney (Finney) get the value of KT50(the time required for the destruction of 50% of the cockroaches). In addition, cockroaches when tested relocated into the Cup containing the water and the bait, and after 3 days see their mortality. Using the same sheet of decorative plastic after 1, 5, 14, 21 and 28 days after spraying aerosol the number of repeat tests. In between tests, the plastic sheets stored at a temperature of 25oC. the Results are shown in tables 5 and 6.

Insecticidal aerosol of the present invention has the property required for water aerosols, i.e., the separation of the aqueous phase and the organic phase is from a very low speed, all of the present invention, which is a premix for aerosol drug resistant and generally does not cause problems related to precipitation during storage, and is a suitable source composition during transport and storage with the aim of further insecticidal aerosol, as claimed in the present invention.

Example 26

To obtain insecticidal compositions (21) of the present invention is mixed with 0.5% by weight of imiprothrin, 1.5% by weight of (RS)--cyano-3-phenoxybenzyl-(1R)-CIS, TRANS-chrysanthemate (i.e. cyphenothrin), 20.5 percent by weight of isopropylmyristate, 3,75% by weight of Rheodol Sp-L10 (mentioned above), 0.5% by weight of propylene glycol and 66.5% by weight of Neo-chiozol (mentioned above).

1. Insecticidal composition, characterized in that it contains (a) 0.4 to 3% by weight of 2,4-dioxo-1-(2-PROPYNYL)-imidazolidin-3-ylmethyl-chrysanthemate, (b) 2.5 to 40% by weight of ester of fatty acid with 16 to 19 carbon atoms, (C) 2.5 to 12.5 percent by weight of ester sorbitan and fatty acids, (d) 0.5 to 1% by weight, of at least one alcohol selected from the group consisting of ethanol, 1-propanol, 2-propanol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropyleneglycol, butyleneglycol and glycerol, (e) 46,5-93,5% by weight of a saturated hydrocarbon with the soup-cyano-3-phenoxybenzophenone, esfenvalerate and cypermethrin, and (q) 0-10% of a synergist, representing N-(2-ethylhexyl)-5-norbornene-2,3-dicarboximide (MGK264).

2. Insecticidal composition under item 1, characterized in that the component (d) is a propylene glycol.

3. Insecticide aerosol, characterized in that it contains 10-25% by weight of the insecticidal composition according to p. 1, 50-60% by weight of water and 20 to 40% by weight of the propellant, representing liquefied petroleum gas.

4. Insecticidal spray on p. 3, characterized in that the component (d) is a propylene glycol.

5. A method of combating harmful insects, characterized in that it comprises applying to them insecticidal aerosol under item 3.

6. The method according to p. 5, characterized in that the harmful insects include cockroaches.

7. The method according to p. 5, characterized in that the component (d) is a propylene glycol.

8. The method according to p. 7, wherein the pests are cockroaches.

 

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