Insecticidal composition "rebar-neo"

 

(57) Abstract:

Insecticidal composition based on synthetic pyrethroids, which can be used to combat domestic insects, has the following composition, wt. %: deltamethrin 1.0 to 1.5, neodynamic of 0.05-0.1, chalk 60-64, kaolin 30-34, dye phtalocyanines 0.05 to 0.15, starch 0,2-0,4, water the rest. The composition allows the use of the tool in the form of chalk with high performance properties. 5 table.

The invention relates to compositions based on synthetic pyrethroids, which can be used to deal with household insects, such as insecticide chalks.

You know the way to deal with household insects, containing wt.%:

Permethrin, deltamethrin, neodynamic, chlorophos and other active substances - 0,2 - 5,0

The regulator of the development of insect - 0,15 - 0,5

Sunflower oil - 30 - 40

Wheat bread crumbs - Rest

This tool is used as a food bait (RV 2077199 A 01 N 25/00, 1997).

Known synergistic compositions on the basis of pererodlene active components containing deltamethrin, piperonyl piperonyl and special additive (patent RV 2069058 A 01 N 53/00, 1996 is an example of deltamethrin, chalk, kaolin, starch and dye ("Disinfection Affairs". Bulletin of the national Association of disinfectants No. 1, page 19, Moscow, 1997).

However, the known arrangement is not effective enough.

The present invention is the creation of an effective insecticidal composition that can be used as chalk.

The problem is solved described insecticidal composition containing deltamethrin, neodynamic, chalk, kaolin, phtalocyanine dye, starch and water in the following ratio, wt.%:

Deltamethrin - 1,0 - 1,5

Neodynamic - 0,05 - 0,1

Chalk - 60 - 64

Kaolin - 30 - 34

Dye phtalocyanine - 0,05 - 0,15

Starch - 0,2 - 0,4

Water - the Rest

The above relations are necessary and sufficient to solve the problem.

The chemical formula of active ingredients.

Deltamethrin:

(S)-alpha-cyano-m-phenoxybenzyl.

(1R.3R)-3-(2.2 dibromovinyl) 2,2-dimethyl-cyclopropane-carboxylate.

Neodynamic:

3,4,5,6-tetrahydroaminoacridine.

The structural formula

< / BR>
Unlike the prototype - insecticidal composition, brigadnov of 0.1%.

The presence of neopentane in the specified quantity gives the composition of the provoke ability, i.e., if the composition along with deltamethrin, taken in an amount of 1.0 to 1.5%, there is neodynamic in the amount not lower than 0.05% and not higher than 0.1%, the activity of household insects increases dramatically (see table. 4).

In addition, the presence of neopentane it is in the claimed range (0,05 - 0,1%), in addition to deltamethrin, taken in an amount of 1.0 - 1.5 per cent, allowed us to obtain an additional effect of high residual effect during the entire period of observation. The claimed composition, moreover, has almost no resistance in insects unlike part of the prototype.

Known composition (USSR N 631051) containing neodynamic and permethrin at a ratio of 1:9 to 9:1 and the content in the composition is from 0.05 to 90 wt.%, but from this source of information, it remains unclear what the composition will be characterized by the absence of resistance and lead to increased activity of the insects.

We have conducted research on the effectiveness of the composition containing permethrin and neodynamic in different ratios and concentrations, but this effect as the claimed compositions, marked not Militello of neopentane, but the specific amount of all components of the composition, allowing to obtain it in the form of chalk, with high efficiency and satisfactory mechanical properties and good adhesion to solid surfaces of various materials.

We had been prepared structures with the stated lower, upper and average content of components (see table. A).

Compounds No. 1, 2, and 3 showed the same efficiency, as described in table. 1 to 4. All compounds 1, 2 and 3 are plotted in the scatter of the data shown in the table. 1 to 4.

When you exit the stated intervals the task has not been solved, but because other than stated in the formula of the contents of the components are not the subject of the present invention, the applicant does not present this type of information.

Technology of preparation of the claimed composition is as follows.

Technology of preparation of these compounds comprises the sequential loading components in a laboratory mixer type "ERWEKA" to produce a pasty mass, which is then transmitted to the extrusion to obtain a profile of chalk using a suitable Spinneret, followed by drying of the finished crayons in tempera the anti-shudder performance of the prototype, or did not meet other criteria.

Evaluation of the insecticidal activity of the composition was performed in laboratory conditions, using for experiments insects 5 species: red cockroach (Blatella germanika L. ) and black (Blatta orientalis L.), the bed bug (Cimex lectularius L.), the fly room (Musca domestika L.), the rat flea (Xenopsylla cheopis Roths).

The exposure time, as usual, was 15 minutes for bugs and cockroaches and 5 minutes for flies and fleas.

Consumption rates (table. 1) amounted to 0.5, and 1.0, 3.0 and 5.0 g/m2.

Cockroaches, who was paralyzed after exposure, were killed within 3 to 4 subsequent days.

Fleas, bedbugs, flies died within 2 to 24 hours after exposure (table. 2).

The results presented in table. 1 and 2, show high insecticidal activity funds for the complex kinds of household insects. Evaluation of the duration of the residual effect showed that the tool retains 100% activity for 4 weeks (observation period) for the whole complex of the studied species (table. 3).

The obtained results allow to recommend for the practical application of the rate of flow equal to 5 g/m2.

Was conducted with whom ispolzovanie free method of contacting insects (30 copies) with treated surfaces, placed in enclosures 50x40 cm (2 re). With constant monitoring experiment counting diseased and dead insects through 30, 40 and 50 minutes, then in 1 hour 20 minutes 1 hour 50 minutes, 4 hours and 24 hours, using a wooden surface (unpainted plywood), processed (5 g/m2the stated composition and structure of the prototype (table. 4).

It has been established that the plates treated with the composition stated, cockroaches rushed much more readily than to the plates treated with the composition of the prototype, which indicates the presence of provoking action from neopentane.

It was established experimentally that when accounting for 30 minutes in cages containing plates, treated with the composition stated, was struck and 38.6% (mean value of 2 replicates) cockroaches, tool-prototype (P) and 15.3% (table. 4). After 40 minutes, the amount of infected has increased in experiment I to 59.9%, in experiment II to 28.6%, 50 minutes later, the number affected has increased in the experience of I - to 88.6 per cent in the second - to 46.3%.

From the above data we can conclude about high efficiency funds in contrast to compositions containing separately neodynamic separately and deltamethrin in the same concentrations and the district properties.

Insecticidal composition containing deltamethrin, chalk, kaolin, dye, starch and water, characterized in that it further comprises neodynamic in the following ratio, wt.%:

Deltamethrin - 1,0 - 1,5

Neodynamic - 0,05 - 0,1

Chalk - 60 - 64

Kaolin - 30 - 34

Dye phtalocyanine - 0,05 - 0,15

Starch - 0,2 - 0,4

Water - The Rest

 

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