JPS6156109A - Insecticide for cloth - Google Patents

Abstract

PURPOSE:An insercticide for cloth having an insecticidal mat which is colored by impregnating coloring paper with vaporthrin or a composition comprising it and a plasticizer, can show the end of the use of the mat by lose of color, and packed into a plastic case, etc. CONSTITUTION:An insecticidal mat which is colored by impregnating coloring paper with vaporthrinor a vomposition comprising it and a plasticizer (preferably 14-24C saturated or unsaturated fatty acid ester, especially preferably butyl stearate, iropropyl myristate), and can show the end point of use by lose of color is packed into a plastic case or inner paper of paper or nonwoven fabric subjected to laminate processing, to give an insercticide for cloth. The insecticide useing more inexpensive plasticizer than vaporthrin, is practical, easily distinguishable because the insecticide is wholly colored, and difference in volatiity is not taken into account since the insecticidal mat and the coloring paper are integrated.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention involves impregnating colored paper with vapor rinse or a composition prepared by blending it with a lubricating agent to develop a color, so that the end point of use can be easily confirmed by the disappearance of the color. This invention relates to an insect repellent paper for clothing, which is made by enclosing an insect repellent mat in a plastic case or laminated inside an interior paper made of paper or nonwoven fabric.

Conventionally, paradichlorobenzene, naphthalene, and Cucumber have been commonly used in solid form as insect repellents for clothing. These three types of insect repellents for clothing are not completely satisfactory, such as odor problems, large amounts of use, the need to replace them with new ones every 3 to 4 months, and lack of insecticidal efficacy. It had various drawbacks, including a weak insect repellent effect. The present inventors have discovered the drawbacks of the above-mentioned clothing insect repellent, and also the flea, which has been increasing in recent years.
Lice, mites, beetles, wasps, and even flies,
As a result of conducting research on a drug that can be used to control insect pests such as mosquitoes and cockroaches, we found that a commercially available insect repellent, Paradiclo? Unlike lebenzene, naphthalene, and camphor formulations, it has not only an insect repellent effect on clothing pests but also has insecticidal power, and it also has a strong odor and harshness characteristic of insect repellents such as badge chlorobenzene, naphthalene, and shigokunoku formulations. We found that it is suitable for the purpose because it does not have.

Furthermore, in order to control the amount of volatilization of vapor thin and to maintain its insect repellent effect over a long period of time, as well as to prevent chemical components from seeping into clothing, insect repellent mats containing vapor thin are placed in plastic cases or with laminated paper or non-woven fabric interiors. He discovered that the method of packaging in paper was extremely effective, and filed a patent application No. 15940 in 1982. However, vapor rin is a liquid, and it has the disadvantage that it is difficult to determine the end point of its use, as seen in the disappearance of crystals of teha, paradichlorbenzene, and naph thrin in insect repellent mats impregnated with vapor rin.

Therefore, the present inventors applied the principle of water brush paper and continued intensive research, and as a result, instead of the conventional valve mat, we used colored paper and created a composition made by blending vapor rind or a plasticizer with it. The present invention was completed based on the discovery that when the mat is impregnated to develop color and used as an insect repellent mat, the end point of use can be easily confirmed by the disappearance of color after a certain period of time.

The colored paper used in the present invention comprises a base paper layer made of pulp or linter, a colored layer of any hue provided on the base paper layer and the surface, and a low refractive index pigment provided on the colored layer. It consists of a ground color layer with different hues, which has appropriate oil resistance and oil permeability, and when vapor rind or a composition made by blending it with a plasticizer is applied, the refractive index changes. As a result, the hue of the colored layer develops. As the concentration of the colored paper, especially the ground color layer, decreases due to volatilization of the chemical, the color gradually fades and eventually returns to the hue of the ground color layer.

31 As the darkening agent used in the present invention, commonly used ester plasticizers can be used, such as fatty acid esters, phthalate esters, adipic acid esters, azelaic acid esters, sepacic acid esters, citric acid esters, There are trimellitic acid esters, glycolic acid esters, phosphoric acid esters, polyhydric alcohol esters, etc., but the number of carbon atoms is 1.
Preferred are 4 to 24 saturated or unsaturated fatty acid esters.

Typical examples of the above-mentioned I-containing agents are listed below, but it is needless to say that they are not limited to these.

(1) n-butyl stearate (2) isopropyl myristate (3) methyl oleate (4) n-butyl oleate (5) n-butyl lafricate 741 Shikoku 6) Charcoal palmitate * Mengfu - (7) Di-n-butyl maleate (8) Di-n-butyl adipate (9) Ditridecyl phthalate-ζ -A -4= (+017 n-Butylbenzyl talate (11) Di-2-ethylhexyl 7-talate (12) Di-2-ethylhexyl azelate 0 Dibenzyl sepacate 04) Acetyltributyl citrate 05) Trioctyl rimellitate Up-2-ethylhexyl hydroxybenzoate 07) Butyl glycolate Glyceryl methifurate monooleate 0 Tri-2-ethylhexyl phosphate Dioctyl (c) tuma-l phosphate Small H Di-2-ethylhexyl maleate In carrying out the present invention, conditions for use of the insect repellent mat, duration of effectiveness, etc. It is preferable to appropriately determine the type of plasticizer to be used, the amount of application, and the blending ratio of vapor rinse and plasticizer according to the conditions.In this case, the degree of color development due to the refractive index of the plasticizer, volatility, etc. are taken into consideration. For example, it is also useful to apply a minimum amount of a low-volatile plasticizer for color development and then turn on vapor rin.Therefore, the present invention uses a deafening agent that is much cheaper than vapor rin, and is effective for insect repellent. This is an extremely useful and practical invention in that it provides a method to more reliably indicate the end point of drug use.In addition to the paper-thin-containing insect repellent mat, an indicator consisting of a small piece of colored paper impregnated with a drug solution is also available. Although there are ways to prepare the insect repellent for clothing, the insect repellent for clothing of the present invention is easy to understand because the entire product is colored.
Another advantage is that there is no need to consider the difference in volatility between the insect repellent mat and the colored paper.

The vapor thrine impregnated into the insect repellent mat of the present invention is a pyrethroid compound with high vapor pressure and has extremely low toxicity to humans and livestock.It also has no odor or irritation like valadiclorbenzene, naphthalene, or shock formulations, so it can be used safely at home. can be used. In order to stabilize the drug, BH'I' is added to these.

It is also useful to add antioxidants such as DBH and BHA, and to add flavoring agents to add aromatic properties.

In addition, the plastic case that encloses the insect repellent mat, the laminating process applied to the interior paper, or the printing and application method of vapor rinse and a composition with a plasticizer added to colored paper are conventionally known resin processing methods. , lamination processing, and chemical processing methods, and are advantageous in that they do not require any new equipment and can be used for multiple purposes with conventional equipment.

Next, the present invention will be explained in detail with reference to Examples.

Example 1゜Area 48QT/! An insect repellent mat was obtained by impregnating a (6 x 8 cm) colored paper with various chemicals, which was then packaged in a plastic case and hung in a dresser. After 8 months, the residual amount of vapor rind in the insect repellent mat and the degree of color development of the indicator were examined, and the results were as follows.

In the 71 test, the minimum amount required for indicator color development was about 5 my/cJ of drug. In the case of Beno (Surin alone (Test 1), the color had already faded after 8 months, and it was thought that a higher concentration of Beno/1 Surin would be necessary, but since there is a limit to the drug retention of colored paper, Increasing the concentration of chemicals is not necessarily desirable.On the other hand, when a plasticizer with lower volatility than Vaporrin was used in combination (Tests 2 to 6), the total amount of volatilization was suppressed and the color development was controlled to the extent that it disappeared after 8 months. Since the binder used in the present invention is much cheaper than vapor thrine, it has been found that the combined use of vapor thrine and a plasticizer is more advantageous.

Example 2゜Area 11ciI (2.2X5.Ocm), thickness 0.3m
The chemicals in the table below and DBH3 were applied to colored paper made by Palprinter.
■、Fragrance 1■ is impregnated to obtain an insect repellent mat, and this is PP.
Packaged in 20/11 laminated interior paper. Five pieces of muslin cloth were stacked and stored in one drawer of about 50 cm, and five pieces of the insect repellent for clothing of the present invention were placed between each of them. Immediately after the start of the test and after 8 months, the degree of color development of the indicator was checked, and the 3rd and 5th sheets from the bottom were
Sixty burr larvae were intentionally placed on the second sheet of muslin cloth, and the number of deaths was observed over time. Mortality rate #''i3i is shown as the average of the 3rd picture.

As a result of the test, the effect of the insect repellent Vi for clothing of the present invention was sufficient even after 8 months had passed, and the indicator color development was controlled. It should be noted that similar results were obtained regardless of the material of the laminated film, for example, when processing PE or PP on one side or both sides with 15 to 60 tones. In addition, clothing pests such as burrs, carp moths, and cutlet beetles, as well as fleas, etc., can be found in drawers, wardrobe boxes, and even in storage areas for seasonings in the kitchen.
It was effective in controlling sanitary pests such as lice and mites.

Procedural amendment (method) % formula % 1. Indication of the case Patent Application No. 176974 of 1980 8. Person making the amendment 5. Date of amendment order November 7, 1980 (Shipping date November 27, 1980)
7. Full text of the application and specification to be amended 8. Contents of the amendment An engraving of the application and specification stamped # after the name of the patent applicant (no change in content) as attached.

Claims (3)

[Claims] (1) Insect repellent mats are made by impregnating colored paper with vapor rind or a composition made by blending it with a plasticizer to make it colored so that the end point of use can be easily confirmed by the disappearance of the color, and put it in a plastic case or An insect repellent for clothing that is packaged in laminated paper or non-woven interior paper. (2) The insect repellent for clothing according to claim (1), wherein the plasticizer is a saturated or unsaturated fatty acid ester having 14 to 24 carbon atoms. (3) The insect repellent for clothing according to claim (1) or (2), wherein the plasticizer is butyl stearate or isopropyl myristate.