JPS6272601A - Complex insecticidal material - Google Patents

Abstract

PURPOSE:A complex insecticidal material which contains a subliming insecticide and a volatile insecticide, provides an immediate insecticidal effect and its long-term stability by differences in vaporization rate of effective gases among the components and synergistically shows insecticidal effects. CONSTITUTION:A complex insecticidal material, for example, consisting of a sheet 2 wherein a paper material impregnated with a volatile insecticide (e.g., 4-methyl-4-peptene-1-in 3-yl-d-cis, trans-chrysanthemate) is formed in a terraced state, the volatile insecticide (e.g., p-dichlorobenzene) 3 stopped on the sheet 2 in a longitudinal line and an air-permeable packaging material 4 to pack them. This complex insecticidal material is constituted in such a way that it evolves a subliming gas and a volatile gas in a mixed state, is inexpensive, has an immediate effect and its insecticidal effect is stable for a long period. A laminate material of sheet nonwoven fabric and polyethylene film, etc., are used as the air-permeable packaging material.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an insect repellent material having a composite structure of a sublimable insect repellent and a volatile insect repellent.

[Prior Art] As conventional insect repellent materials, those that utilize sublimation of insect repellents and those that utilize volatilization of insect repellents are mainly manufactured and sold in large quantities.

This sublimable insect repellent material is prepared by molding a solid agent such as paradichlorobenzene, naphthalene, or camphor, either as it is or packaged with an air permeable packaging material such as Japanese paper, and the volatile insect repellent material is a 4-methyl- 4-heptene-1-yne-
It has been commercialized in the form of a paper material such as filter paper impregnated with a liquid agent such as 3-yl d-cis or trans-chrysanthemate.

[Problems to be Solved by the Invention] Among the conventional insect repellent materials described above, the former has drawbacks such as relatively low insect repellent effect and is unstable, while the latter is expensive and The drawback is that the amount of volatile insect repellent used is limited.

The present invention eliminates the drawbacks of these conventional insect repellent materials,
To provide an insect repellent material that is inexpensive, quick-acting, and whose insect repellent effect is stable over a long period of time.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention employs the following configuration.

That is, it is a composite insect repellent material characterized in that it is composed of a sublimable insect repellent and a volatile insect repellent so as to emit their respective sublimated gas and volatile gas in a mixed state.

In the composite insect repellent material according to the present invention, solid agents such as paradichlorobenzene, naphthalene, and camphor can be used as sublimable insect repellents, and as volatile insect repellents,
4-Methyl-4-hebuten-1-yn-3yl d-cis, transchrysanthemate (hereinafter referred to as its trademark "Paperthrin"), 0-(2゜2-dichlorovinyl) -〇,0-dimethylphosphate, 2,3
, 4,5.6-pentafluorobenzyl 2,2-dichloropropane-1-carboxylate, etc. can be applied.

[Effect] It is thought that the difference in the rate of release of effective gases between the sublimation insect repellent and the volatile insect repellent provides immediate effectiveness and long-term stability for insect repellent, and By combining the insect repellent effects that both substances have, they act to exhibit a synergistic insect repellent effect.

[Example] A composite insect repellent material 1, which is a first example of the present invention, is shown in a longitudinal cross-sectional view in FIG. 1 This composite insect repellent material 1 includes a containing sheet 2 formed in a step-like manner by paper material impregnated with a volatile insect repellent, and two sublimable insect repellents fixed in a column on this containing sheet 2. 3.3 and an air-permeable packaging material 4 for packaging them in this state.

In addition, 5 is a fusion|fusion part or an adhesive part of this air permeable packaging material 4. Further, as the breathable packaging material 4, a polyethylene film material, a nonwoven fabric sheet material alone, or a laminate thereof can be used.

Moreover, a composite insect repellent material 1' which is a second embodiment of the present invention
is shown in a longitudinal cross-sectional view in Fig. 2. This composite insect repellent material 1' has a storage box 6. This storage box 6 has ventilation holes 6a, 6a on both sides thereof, and its interior is divided into chambers by partition walls 6b made of a breathable material.

Sublimable insect repellent 3.3 is housed in vertical rows in the - part of this chamber, and a flat volatile insect repellent-containing sheet 2' is housed along the vent surface in the other - part of the chamber. has been done.

In the above-mentioned composite insect repellent 1.1', the mixed gas of the volatile insect repellent gas from the containing sheet 2 or 2' and the sublimation gas from the sublimation insect repellent 3 is mixed with the packaging material 4 or This mixed gas is obtained in the storage box 6, and is passed through the packaging material 4 in the composite insect repellent material 1, and through the ventilation hole 6a in the composite insect repellent material 1'.
is dissipated to the outside via the

Next, FIG. 3 shows a longitudinal sectional view of a composite insect repellent material IA, which is a third embodiment of the present invention.

This composite insect repellent material IA has a structure in which sublimable insect repellents 3.3 are wrapped and packaged in tandem by a packaging material 4A. This packaging material 4A includes a thin breathable material layer 4Aa made of, for example, non-woven fabric.
and a breathable adhesive layer 4 such as a polyethylene film.
This packaging material 4A is a laminate material with Ab and Ab, and this packaging material 4A is formed by welding the breathable fusion layers 4Ab to each other to form a package with fused portions 5A and no. Further, the breathable material layer JAa
The top is impregnated with a volatile insect repellent.

Further, as in the composite insect repellent material IA' according to the fourth embodiment of the present invention shown in FIG. It is also possible to adopt a structure similar to that of the gas barrier material 4B''C'1, which is a laminate material of the layer 4Ba and the adhesive layer 4Bb such as a polyethylene film.

In addition, for sublimation insect repellents with a low sublimation rate such as naphthalene, as in the composite insect repellent material IA'' in the fifth embodiment of the present invention shown in FIG. .3
It is also possible to use a packaging material 4C made of a single layer such as a non-woven fabric impregnated with a volatile insect repellent in advance. In this case, the sealing portion 5B may have a simple structure such as sewing or gluing.

In each of the above-mentioned composite insect repellents IA, LA', IA'', the volatilized gas of the volatile insect repellent from the respective packaging material 4A or 4C is directly radiated to the outside, and this results in an immediate insect repellent effect. It is thought that the gas mixture greatly contributes to the properties of insect repellents, and the mixed gas emitted from each insect repellent is obtained when the sublimated gas of the sublimable insect repellent is emitted to the outside from the packaging material 4A or 4C.This mixed gas is It is obtained on average from the entire surface of the packaging material 4A or 4C.In addition, the pressure due to the sublimation gas of the sublimable insect repellent 3 acts within the packaging materials 4A and 4B or 4C, and the volatile property in the packaging material 4A or 4C is Acts to effectively volatilize insect repellent.

In addition, in the composite insect repellent material IA', gas barrier material 4
Part B allows each insect repellent to be used without directly coming into contact with objects to be repelled, such as clothing, and provides directionality to its repellent action.゛Also, these composite insect repellent materials IA, IA',
In IA'', the volatile insect repellent can be pre-contained in the packaging material, so the structure itself is simple, the manufacture is easy, and the product can be obtained at low cost.

Next, the insect repellent effect of the composite insect repellent material according to the present invention will be shown through experiments.

First, each test sample is constructed as follows.

(i) Paper slings are X in Figures 6 and 7, respectively.
-Linter paper 1 uniformly impregnated with 10 hg of paper slin, as shown in the X longitudinal cross-sectional view and the Y-Y longitudinal cross-sectional view.
0a (2X15cm+large), sheet-like nonwoven fabrics 10b, 10b (IOX 15cn+
Sheet material 10 (IOX 1
5cn + large) and these two sheets (Paper Slin; 2
00mg) was used as a sample.

(ii) For paradichlorbenzene, two tablets (3.5 g/tablet) of paradichlorbenzene granules are arranged in a column, and the surface side is covered with an air-permeable packaging material (rayon paper 17 g/dry 10
PP20#/PE20#, 4X7cm large), gas barrier packaging material on the back side (PT300#/PE20#, 4X7
These 12 packages (paradichlorobenzene; 84 g) were used as samples.

(iii) Naphthalene is 5 tablets of naphthalene granules (2,
9g/tablet) in the same packaging material as in (ii) above (in addition, 8X
14cm in size), this 7
A sachet (naphthalene; 100 g) was used as a sample.

(iv) For camphor, mix 2 tablets (1.5 g/tablet) of camphor granules with a breathable colorant (rayon paper 17 g dry 10 PP20
#/P E 20 #, 7X 1 (lca + large), and use these 10 packages (camphor; 30 g) as samples.

Further, the following (V) to (vii) show sample structures of the composite insect repellent material according to the present invention.

(V) The composite material of paradichlorobenzene and paper sulin constituted the composite insect repellent material IA' in the fourth example. At this time, Balajichlorbenzene granules 3 are 3
．． 5g/tablet, breathable packaging material 4A is rayon paper 17g
/Dry 10PP20#/PE20# 4X 7cn
+ large, contains 11 mg of paper sulin, and gas barrier packaging material 4B is PT300#/PE20# 4X 7
It is cm-sized. These 6 packages (paradichlorbenzene; 4
3 g, paper sulin; 102 mg) was used as a sample.

(vi) A composite material of naphthalene and paper thrine was also used as the composition of the composite insect repellent material IA' in the fourth embodiment, and at this time, the naphthalene granules were 2.9 g/tablet, and the breathable colorant 4A (Paperin was contained in an amount of 13 mg) and the gas barrier packaging material 4B was the same as in the case (V) above.

These 8 packages (naphthalene; 46g, paper sulin; 1
G4+++g) was used as a sample.

(vii) The composite material of camphor and paper sulin is used as the composite insect repellent material IA'' in the embodiment shown in FIG. Packaging material 4
C is rayon paper 17g / dry 10 P P 20
These 5 packets (camphor; 15 g, vapor thrin; 100 g) containing 20+*g of pepperthrin were used as samples.

Next, the test insects were burr (larva 26 days old, 20 per unit).
head) and Himeriki Tsuobushimushi (larva 60 days old, 20 per unit)
), and different test canes 11 were created for each of these. As shown in FIG. 8, this test cane 11 was constructed by placing a test cloth 12 (100% wool, 3.5
3.5 x O, ijm large) was inserted and placed, and one unit of sample insect was also inserted.

The insect control experiment was conducted using the apparatus shown in FIG.

In other words, 15 cardboard costume boxes with a capacity of 501 (41X
69 x 15 cm large) in the box main body 15b, three-tiered clothing rack 6... (upper, middle and lower test gains 11.11' and 11'' are arranged in wool 10 (1%),
In addition, each of the above-mentioned test samples IX of the insect repellent material was placed evenly on the upper surface of the uppermost garment 16.
a is a lid part.

The above-mentioned insect control experimental equipment was placed under constant temperature conditions of 27°C and 60% humidity, and the conditions of the test insects and the damage to the sample fabric 12 were checked for 2 weeks and 1 month after the insect control sample was exposed. , and one month later, the test gain was 11.11'
The same number of test cloths and test insects were replaced with new ones in 11", and observation was made after 2 months.

These observation results are shown in Tables 1 to 3 for the burr and in Tables 4 to 6 for the burr.

In the table below, paradichlorobenzene is abbreviated as P, D, C, and B, paper sulin is abbreviated as v, S, and control is abbreviated as C and R.

Table 1〉 Table 2〉 Table 3〉 Table 4〉 Table 5〉 Table 6 Results are shown under the same conditions.

* Efficacy index = (Control corrosion amount - Sample corrosion amount /
Amount of insect attack on the control) x 100* Corrected insect killing rate = (Number of live insects on the control - Number of live insects on the sample / Number of live insects on the control) 19 to 27 are graphs for comparing the efficacy indexes shown in Tables 1 to 6, respectively, regarding the insect repellent effect on the Japanese cuttlefish beetle.

More specifically, Figures 10 to 18 and Figures 19 to 2) show the efficacy index of paradichlorbenzene, vapor sulfin complex with paradichlorbenzene, and vapor sulfin as high, middle, and low levels. Test cane 11
．． 11'11'' are shown in order.

Further, in FIGS. 13 to 15 and 22 to 24, the efficacy index of naphthalene, a combination of naphthalene and vaporthrin, and vaporthrin are similarly shown.

Further, in FIGS. 16 to 18 and 25 to 27, efficacy indices of camphor, a combination of camphor and vapor thrin, and vapor thrin are similarly shown.

As is clear from the comparison of the efficacy index in the graph above, using approximately half the amount of each of the sublimation insect repellent and the volatile insect repellent, the insect repellent effect is significantly greater than when using the sublimation insect repellent alone. It can be confirmed that the insect repellent effect is improved and the insect repellent effect is fast-acting, and at the same time, it is stable over a long period of time.

As described above, the composite insect repellent material according to the present invention exhibits an insect repellent effect comparable to that obtained when a volatile insect repellent is used alone, is based on a relatively inexpensive sublimation insect repellent, and has a unique structure. The present invention provides an inexpensive insect repellent because it is extremely simple and can be produced using almost the same manufacturing method as conventional products.

[Brief explanation of drawings]

Fig. 1: A longitudinal sectional view of the first embodiment of the composite insect repellent material according to the present invention, Fig. 2: A longitudinal sectional view of the second embodiment of the same, Fig. 3: Vertical sectional view of the third embodiment, FIG.
...Longitudinal cross-sectional view of the fourth embodiment, Fig. 5...No. 5
Fig. 6: XX longitudinal sectional view of Paper Swan impregnated insect repellent material, Fig. 7: Y-Y longitudinal sectional view of the same, Fig. 8: Test sample Partial cross-sectional perspective view of gain, No. 9
Diagram: Insect control experimental equipment! Cross-sectional views, Figures 10 to 27
Figure: Graph comparing efficacy coefficients of insect repellent effects. Explanation of drawing symbols 1.1', IA, IA', IA''... Composite insect repellent material, 2
... Volatile insect repellent containing sheet, 3... Sublimation insect repellent, 4... Breathable packaging material, 4A... Breathable laminate packaging material, 4Aa... Volatile insect repellent containing layer, 4C . . . Packaging material containing volatile insect repellent, 6. Storage box, 6a. Ventilation hole portion, 6b. Air permeable partition. Figure 1 Figure 3
−−−−x N−χ−ni Koto−→ Betpema -H- Appetizer bar +
Do-e, t-niko ＼ −-→・Snack place
N■pe0-sakKQmu+4 1 ward S\to-4χ is the transfer (1\'obtain\訃－－－－－－－4Y－χ－K)be←－－－→ くHepekobe÷7－ χ−;＼←−−→ K
Sabeko, ＼ ] Brush drawing 27

Claims (6)

[Claims] (1) A composite insect repellent material comprising a sublimation insect repellent and a volatile insect repellent so as to emit their respective sublimated and volatile gases in a mixed state. (2) The composite insect repellent material according to claim 1, wherein the sublimable insect repellent is covered with an air-permeable packaging material containing a volatile insect repellent in a volatilized manner. (3) Claim 1 in which a sublimable insect repellent is covered by a combination packaging material of a gas-barrier packaging material and an air-permeable packaging material containing a volatile insect repellent in a volatilizable manner.
Composite insect repellent material as described in section. (4) The composite insect repellent material according to claim 3, wherein the gas barrier packaging material is a laminate material of a cellophane film and a polyethylene film. (5) The composite insect repellent material according to claim 2 or 3, wherein the breathable packaging material is a sheet-like nonwoven fabric. (6) The composite insect repellent material according to claim 2 or 3, wherein the breathable packaging material is a laminate material of a sheet-like nonwoven fabric and a polyethylene film.