JP2019104696A - Mosquito-repellent incense - Google Patents
Mosquito-repellent incense Download PDFInfo
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- JP2019104696A JP2019104696A JP2017237120A JP2017237120A JP2019104696A JP 2019104696 A JP2019104696 A JP 2019104696A JP 2017237120 A JP2017237120 A JP 2017237120A JP 2017237120 A JP2017237120 A JP 2017237120A JP 2019104696 A JP2019104696 A JP 2019104696A
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- mosquito coil
- pest control
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- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 1
- KXXXUIKPSVVSAW-UHFFFAOYSA-K pyranine Chemical compound [Na+].[Na+].[Na+].C1=C2C(O)=CC(S([O-])(=O)=O)=C(C=C3)C2=C2C3=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1 KXXXUIKPSVVSAW-UHFFFAOYSA-K 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- JAOZKJMVYIWLKU-UHFFFAOYSA-N sodium 7-hydroxy-8-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid Chemical compound C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)O)S(=O)(=O)O)O.[Na+] JAOZKJMVYIWLKU-UHFFFAOYSA-N 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 229920001059 synthetic polymer Chemical class 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- UJMBCXLDXJUMFB-UHFFFAOYSA-K trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4h-pyrazole-3-carboxylate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
Description
本発明は蚊取線香に関し、詳しくは、特定のピレスロイド化合物と特定の香料成分を、それぞれ特定量含有する蚊取線香および、この蚊取線香を使用する害虫防除方法に関する。 The present invention relates to mosquito coiled incense, and more particularly to a mosquito coiled incense containing a specific amount of a pyrethroid compound and a specific flavor component, and a method of controlling insect pests using the mosquito coiled incense.
蚊取線香は、蚊、ハエ、ブユなどの飛翔害虫や吸血性害虫を防除する害虫防除剤として、古くから知られており、屋外での作業やキャンプ等においては、電気や電池の必要がなく手軽に優れた害虫防除効果が得られることから、広く使用されている。また、屋内の使用についても、蚊遣豚に代表される陶製の蚊遣器の使用や独特の香りや煙に風情を感じる使用者も多く、害虫防除効果が長時間得られ、その効果を実感できるため愛用されている。
蚊取線香は、燃焼により害虫防除成分を空間中に揮散させて害虫防除効果を得る仕組みのため、飛翔害虫や吸血性害虫が新たに侵入する屋内外の空間において害虫防除効果を長時間得るためには、連続して蚊取線香を燃焼する必要がある。しかしながら、近年の建物、特に都市部のオフィスビルやマンションは密閉性が高いため、建物の外から建物内に飛翔害虫や吸血性害虫が侵入する機会は減っている。このため、密閉性の高い空間においては、最初に飛翔害虫や吸血性害虫を駆除してしまえば、連続して蚊取線香を燃焼する必要はない場面もある。
このような密閉性の高い空間において、長時間にわたり飛翔害虫や吸血性害虫の害虫防除効果を得るために、空間における粒子径により害虫防除成分の気中残存率をコントロールする害虫駆除方法（特許文献１）や、壁などへの害虫防除成分付着効率を特定の噴霧粒子径により向上させる害虫防除用エアゾール剤（特許文献２）などが提案され、長時間にわたる害虫防除効果が得られている。一方で、使用者がその害虫防除効果を実感できる機会がないという欠点もあった。
Mosquito coil incense has long been known as a pest control agent for controlling flying pests and blood-sucking pests such as mosquitoes, flies and flies, and there is no need for electricity or batteries in outdoor work or camping etc. It is widely used because it can easily obtain excellent pest control effects. In addition, for indoor use, there are many users who feel like the use of ceramic mosquito cigar represented by mosquito pig and unique smell and smoke, and the pest control effect is obtained for a long time, and the effect can be realized It is used regularly.
Because the mosquito coil is a mechanism to volatilize pest control components into space by burning to obtain pest control effects, to obtain pest control effects for a long time in indoor and outdoor spaces where flying pests and blood-sucking pests newly invade It is necessary to burn mosquito coil incense continuously. However, since buildings in recent years, particularly office buildings and apartments in urban areas, have high airtightness, opportunities for flying pests and blood-feeding pests to penetrate from outside the building into the building are reduced. For this reason, there is also a scene where it is not necessary to burn the mosquito coil continuously in a highly sealed space once the flying pests and blood-sucking pests are first eliminated.
In such a highly sealed space, in order to obtain the pest control effect of flying pests and blood-sucking pests for a long time, a pest control method for controlling the aerial survival rate of pest control components by particle diameter in the space (patent document 1) and aerosol agents for controlling insect pests (Patent Document 2), etc., which improve the adhesion efficiency of pest control components to walls and the like with a specific spray particle diameter, etc., and long-lasting insect pest control effects are obtained. On the other hand, there is also a disadvantage that the user does not have an opportunity to realize the pest control effect.
そこで本発明者は、６時間以上の連続燃焼を基本的な使用方法としてきた蚊取線香について、密閉性の高い空間での使用に適した新たな蚊取線香の開発に着手した。開発にあたり、密閉性の高い空間で使用する蚊取線香は、燃焼時に発生する煙や刺激臭の確実な抑制と、臭気のマスキング技術の向上が重要なポイントとなる。さらに、長時間にわたる害虫防除効果を使用者が実感できるように、害虫防除効果と同じく長時間にわたり芳香が得られることを、今回の開発における新たな課題とした。 Therefore, the present inventor has started development of a new mosquito coil suitable for use in a highly sealed space, for mosquito coil which has been basically used for continuous burning for six hours or more. In the development, mosquito coil incense to be used in a highly sealed space, it is important to surely suppress smoke and irritating odor generated at the time of combustion and to improve the masking technology of odor. Furthermore, it is a new issue in this development that the user can realize the pest control effect for a long time, and that the fragrance can be obtained for a long time as well as the pest control effect.
本発明は、上記のような状況に鑑みてなされたものであり、密閉性の高い空間での使用に適した新たな蚊取線香の提供、特に、使用者が害虫防除効果を実感できるように、害虫防除効果と同じく長時間にわたり芳香が得られる蚊取線香の提供を課題としている。 The present invention has been made in view of the above circumstances, and provides a new mosquito coil suitable for use in a highly airtight space, in particular, so that the user can feel the pest control effect. It is an issue to provide mosquito coil incense that can obtain aroma for a long time as well as pest control effect.
本発明者は、上記課題を解決するために鋭意研究を重ねた結果、特定の蒸気圧を有するピレスロイド化合物と特定の香料成分を、それぞれ特定量組み合わせることにより、密閉性の高い空間において短時間燃焼させるだけで、害虫防除効果を長時間持続することができ、かつ、害虫防除効果と同じく長時間にわたり芳香が得られる蚊取線香とし得ることを見出し、本発明を完成するに至った。 As a result of intensive studies to solve the above problems, the present inventor combined a specific amount of each of a pyrethroid compound having a specific vapor pressure and a specific perfume component to achieve a short burning time in a highly sealed space. It has been found that the pest control effect can be sustained for a long time only by treating it, and it can be used as a mosquito coil that can obtain an aroma for a long time like the pest control effect, and the present invention has been completed.
本発明は、具体的には次の事項を要旨とする。
１．下記成分（Ａ）、（Ｂ）および（Ｃ）を含有し、
成分（Ａ）の含有量が０．００５重量％以上５重量％以下であり、
成分（Ｂ）の含有量が０．０００２５重量％以上５重量％以下であることを特徴する蚊取線香。
成分（Ａ）：Ｄｏｎｏｖａｎ法による２５℃における蒸気圧が１×１０−５〜１×１０−４ｍｍＨｇの範囲のピレスロイド化合物
成分（Ｂ）：２−シクロヘキシリデン−２−フェニルアセトニトリル、３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノン、β−イオノン、アセチルセドレンおよびα−イソメチルイオノンから選択されるいずれか１種以上の香料成分
成分（Ｃ）：線香基材
２．全長が１０ｍｍ以上５０ｍｍ以下、厚みが２ｍｍ以上５ｍｍ以下および、重量が０．２ｇ以上２ｇ以下であり、短時間燃焼型であることを特徴とする１．に記載の蚊取線香。
３．前記成分（Ａ）が、メトフルトリン、プロフルトリン、トランスフルトリンから選択される１種または２種以上のピレスロイド化合物であることを特徴とする、１．または２．に記載の蚊取線香。
４．１．〜３．いずれかに記載の蚊取線香を屋内で使用して、少なくとも１２時間、害虫防除効果と芳香が持続することを特徴とする、害虫防除方法。
Specifically, the present invention is summarized as follows.
1. The following components (A), (B) and (C) are contained,
The content of component (A) is 0.005% by weight or more and 5% by weight or less,
Mosquito coil in which the content of component (B) is not less than 0.00025 wt% and not more than 5 wt%.
Component (A): Pyrethroid compound having a vapor pressure of 1 × 10 −5 to 1 × 10 −4 mmHg at 25 ° C. according to the Donovan method Component (B): 2-cyclohexylidene-2-phenylacetonitrile, 3,5 Any one or more perfume ingredients selected from dinitro-2,6-dimethyl-4-tert-butylacetophenone, β-ionone, acetyl cedrene and α-isomethyl ionone Component (C): fragrant base material 2. It has a total length of 10 mm to 50 mm, a thickness of 2 mm to 5 mm, and a weight of 0.2 g to 2 g, and is characterized by a short-time combustion type. Mosquito coil described in.
3. Characterized in that the component (A) is one or more pyrethroid compounds selected from metfluthrin, profluthrin, transfluthrin, Or 2. Mosquito coil described in.
4.1. ~ 3. A pest control method characterized in that the pest control effect and the fragrance are sustained for at least 12 hours by using the mosquito coil described in any of the above indoors.
本発明の蚊取線香は、成分（Ａ）として、特定の蒸気圧を有するピレスロイド化合物を特定量含有していることにより、密閉性の高い空間において短時間燃焼させるだけで、害虫防除効果を長時間持続することができる。
本発明の蚊取線香は、成分（Ａ）として特定の蒸気圧を有するピレスロイド化合物と、成分（Ｂ）として特定の香料成分を、それぞれ特定量組み合わせることにより、害虫防除効果と同じく長時間にわたり芳香が得られるため、使用者は、害虫防除効果を香りにより実感することが可能となる。
The mosquito coil of the present invention has a pest control effect only by being burned for a short time in a highly airtight space by containing a specific amount of a pyrethroid compound having a specific vapor pressure as the component (A). It can last for a while.
The mosquito coil of the present invention combines the pyrethroid compound having a specific vapor pressure as the component (A) and the specific spice component as the component (B) in specific amounts, respectively, to provide an aroma for a long time as the pest control effect. Therefore, the user can realize the pest control effect by the smell.
以下、本発明の蚊取線香および、この蚊取線香を使用する害虫防除方法について詳細に説明する。 Hereinafter, the mosquito coil of the present invention and a pest control method using the mosquito coil will be described in detail.
本発明の蚊取線香は、成分（Ａ）として特定の蒸気圧を有するピレスロイド化合物、成分（Ｂ）として特定の香料成分および成分（Ｃ）として線香基材を含有するものである。
＜成分（Ａ）について＞
本発明における成分（Ａ）は、論文：Journal of Chromatography A. Volume 749, Issues 1-2, 1996, Pages 123-129（New method for estimating vapor pressure by the use of gas chromatography）に記載された方法（以下、「Ｄｏｎｏｖａｎ法」という。）により求められる２５℃の蒸気圧が１×１０−５〜１×１０−４ｍｍＨｇの範囲のピレスロイド化合物である。本発明における成分（Ａ）に含まれるピレスロイド化合物は、例えば、メトフルトリン：２，３，５，６−テトラフルオロ−４−メトキシメチルベンジル ３−（１−プロペニル）−２，２−ジメチルシクロプロパンカルボキシラート（１．４×１０−５ｍｍＨｇ）、プロフルトリン：２，３，５，６−テトラフルオロ−４−メチルベンジル ３−（１−プロペニル）−２，２−ジメチルシクロプロパンカルボキシラート（７．７×１０−５ｍｍＨｇ）、トランスフルトリン：２，３，５，６−テトラフルオロベンジル ３−（２，２−ジクロロビニル）−２，２−ジメチルシクロプロパンカルボキシラート（２．６×１０−５ｍｍＨｇ）、２，３，５，６−テトラフルオロ−４−メチルベンジル ３−（２−クロロ−２−フルオロビニル）−２，２−ジメチルシクロプロパンカルボキシラート（４．９×１０−５ｍｍＨｇ）、２−メチル−３−アリル−４−オキソ−２−シクロペンテン−１−イル ２，２，３，３−テトラメチルシクロプロパンカルボキシラート（３．５×１０−５ｍｍＨｇ）、２，３，５，６−テトラフルオロ−４−メチルベンジル ３−（２−メチル−１−プロペニル）−２，２−ジメチルシクロプロパンカルボキシラート（３．１×１０−５ｍｍＨｇ）、５−プロパルギル−２−フルフリル ３−（２−メチル−１−プロペニル）−２，２−ジメチルシクロプロパンカルボキシラート（２．５×１０−５ｍｍＨｇ）、２，３，５，６−テトラフルオロ−４−メトキシベンジル ３−メトキシイミノメチル−２，２−ジメチルシクロプロパンカルボキシラート（１．５×１０−５ｍｍＨｇ）等を例示することができる。これらのピレスロイド化合物の中でも、メトフルトリン、プロフルトリン、トランスフルトリンから選ばれる少なくとも１種以上が、本発明の成分（Ａ）として好ましい。
The mosquito coil of the present invention contains a pyrethroid compound having a specific vapor pressure as the component (A), a specific perfume component as the component (B), and a spice base as the component (C).
<Regarding Component (A)>
The component (A) in the present invention is the method described in the paper: Journal of Chromatography A. Volume 749, Issues 1-2, 1996, Pages 123-129 (New method for estimating vapor pressure by the use of gas chromatography) ( Hereinafter, it is a pyrethroid compound in which the vapor pressure at 25 ° C. determined by “Donovan method” is in the range of 1 × 10 −5 to 1 × 10 −4 mmHg. The pyrethroid compound contained in the component (A) in the present invention is, for example, metfluthrin: 2,3,5,6-tetrafluoro-4-methoxymethylbenzyl 3- (1-propenyl) -2,2-dimethylcyclopropanecarboxy (1.4 × 10 -5 mmHg), profluthrin: 2,3,5,6-tetrafluoro-4-methylbenzyl 3- (1-propenyl) -2,2-dimethylcyclopropanecarboxylate (7.7) × 10 −5 mmHg), transfluthrin: 2,3,5,6-tetrafluorobenzyl 3- (2,2-dichlorovinyl) -2,2-dimethylcyclopropanecarboxylate (2.6 × 10 −5) mmHg), 2,3,5,6-tetrafluoro-4-methylbenzyl 3- (2-chloro-2-fluorovinyl) -2 , 2-Dimethylcyclopropanecarboxylate (4.9 × 10 -5 mmHg), 2-methyl-3-allyl-4-oxo-2-cyclopenten-1-yl 2,2,3,3-tetramethylcyclopropane Carboxylate (3.5 × 10 −5 mmHg), 2,3,5,6-tetrafluoro-4-methylbenzyl 3- (2-methyl-1-propenyl) -2,2-dimethylcyclopropane carboxylate ( 3.1 × 10 −5 mmHg), 5-propargyl-2-furfuryl 3- (2-methyl-1-propenyl) -2,2-dimethylcyclopropanecarboxylate (2.5 × 10 −5 mmHg), 2 1,3,5,6-tetrafluoro-4-methoxybenzyl 3-methoxyiminomethyl-2,2-dimethylcyclopropanecarboxylate (1 5 × 10 -5 mmHg) and the like can be exemplified. Among these pyrethroid compounds, at least one selected from metfluthrin, profluthrin and transfluthrin is preferable as the component (A) of the present invention.
本発明の蚊取線香において、成分（Ａ）を蚊取線香全量に対して、０．００５重量％以上５重量％以下の範囲で含有することが、密閉性の高い空間において短時間燃焼させるだけで、害虫防除効果が長時間持続するためには重要である。中でも、成分（Ａ）は蚊取線香全量に対して、０．０１重量％以上２重量％以下の範囲が好ましく、特に、０．０５重量％以上１重量％以下の範囲がより好ましい。 In the mosquito coil of the present invention, containing the component (A) in the range of 0.005% by weight or more and 5% by weight or less based on the total amount of the mosquito coil incense only burns in a short space with high sealing property. It is important for the pest control effect to last for a long time. Among them, the range of 0.01% by weight or more and 2% by weight or less of the component (A) is preferable, and the range of 0.05% by weight or more and 1% by weight or less is more preferable.
＜成分（Ｂ）について＞
本発明における成分（Ｂ）は、２−シクロヘキシリデン−２−フェニルアセトニトリル、３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノン、β−イオノン、アセチルセドレンおよびα−イソメチルイオノンから選択されるいずれか１種以上の香料成分である。
２−シクロヘキシリデン−２−フェニルアセトニトリルは、グレープフルーツ、ゲラニウム、ローズフローラル様香気を有する。
３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノンは、ニトロムスクと呼ばれる初期の合成ムスクのムスクケトンである。天然ムスクによく似た香りを有する香料成分である。
β−イオノンは、化学名「４−（２，６，６−トリメチル−１−シクロヘキセニル）−３−ブテン−１−オン」の香料成分であり、ウッディー香の液体である。フローラル系調合香料に使用される香料成分である。
アセチルセドレンは、化学名「１−［（２，３，４，７，８，８ａ−ヘキサヒドロ−３，６，８，８，−テトラメチル−１Ｈ−３ａ，７−メタノアズレン）−５−イル］エタノンの香料成分であり、ムスク、アンバー、ウッディー様の香気の淡黄色液体である。ウッディー系調合香料などに大量に使用される香料成分である。また、セダーウッドオイル等から単離したセドレンをアセチル化することにより得ることができる。
α−イソメチルイオノンは、メチルイオノンの６種類存在する異性体の１つであり、優雅なスミレ香の液体である。
本発明の蚊取線香は、本発明の効果を損なわない範囲において、成分（Ｂ）以外の公知の香料成分を適宜配合することができる。
<Regarding Component (B)>
Component (B) in the present invention is 2-cyclohexylidene-2-phenylacetonitrile, 3,5-dinitro-2,6-dimethyl-4-t-butylacetophenone, β-ionone, acetyl Cedrene and α-iso. Any one or more perfume ingredients selected from methylionone.
2-cyclohexylidene-2-phenylacetonitrile has a grapefruit, geranium, rose floral-like odor.
3,5-dinitro-2,6-dimethyl-4-tert-butylacetophenone is an early synthetic musk musk ketone called nitromusk. It is a fragrant ingredient that has an odor similar to natural musk.
β-ionone is a fragrant ingredient of the chemical name “4- (2,6,6-trimethyl-1-cyclohexenyl) -3-buten-1-one” and is a woody incense liquid. It is a perfume ingredient used for floral system compound perfume.
Acetyl Cedrene has a chemical name of “1-[(2,3,4,7,8,8a-hexahydro-3,6,8,8-tetramethyl-1H-3a, 7-methanoazulene) -5-5 It is a fragrant ingredient of (i) ethanone, a pale yellow liquid with musk, amber and woody-like flavor, and is a fragrant ingredient used in large quantities for woody-based compounded perfume etc. Also, it was isolated from cedar wood oil etc. It can be obtained by acetylating Cedrene.
α-Isomethylionone is one of the six existing isomers of methylionone and is an elegant violet liquid.
In the mosquito coil of the present invention, known fragrant components other than the component (B) can be appropriately blended within the range not impairing the effects of the present invention.
本発明の蚊取線香は、成分（Ｂ）として、２−シクロヘキシリデン−２−フェニルアセトニトリルおよび３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノンを含有すると良い。２−シクロヘキシリデン−２−フェニルアセトニトリルおよび３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノン以外に、公知の香料成分を適宜配合できるが、中でも、ジヒドロジャスモン酸メチル、リラール（４−（４−ヒドロキシ−４−メチルペンチル）−３−シクロヘキセニルカルボアルデヒド）、リリアール（２−メチル−３−（４−ｔ−ブチルフェニル）プロパナール）から選択される１種または２種以上の香料成分を配合すると良い。また、本発明の蚊取線香は、成分（Ｂ）として、β−イオノン、アセチルセドレンおよびα−イソメチルイオノンを含有すると良い。β−イオノン、アセチルセドレンおよびα−イソメチルイオノン以外に、公知の香料成分を適宜配合できるが、中でも、エチルバニリンを配合すると良い。
本発明の蚊取線香において、成分（Ｂ）を蚊取線香全量に対して、０．０００２５重量％以上５重量％以下の範囲で含有することが、密閉性の高い空間において短時間燃焼させるだけで、害虫防除効果と同じく長時間にわたり芳香が得られ、使用者が害虫防除効果を香りにより実感することが可能となるために重要である。中でも、成分（Ｂ）は蚊取線香全量に対して、０．０００３重量％以上２重量％以下の範囲が好ましく、特に、０．０００５重量％以上１重量％以下の範囲がより好ましく、さらに０．００１重量％以上０．４重量％以下の範囲がより好ましい。
The mosquito coil of the present invention preferably contains 2-cyclohexylidene-2-phenylacetonitrile and 3,5-dinitro-2,6-dimethyl-4-t-butylacetophenone as the component (B). In addition to 2-cyclohexylidene-2-phenylacetonitrile and 3,5-dinitro-2,6-dimethyl-4-t-butylacetophenone, known perfume ingredients can be appropriately blended, but among them, methyl dihydrojasmonate and liral (4- (4-hydroxy-4-methylpentyl) -3-cyclohexenylcarbaldehyde), one or two kinds selected from liaryl (2-methyl-3- (4-t-butylphenyl) propanal) It is good to mix the above perfume ingredients. The mosquito coil of the present invention preferably contains β-ionone, acetyl Cedrene and α-isomethyl ionone as the component (B). In addition to β-ionone, acetyl cedrene and α-isomethyl ionone, known perfume ingredients can be appropriately blended, and among them, it is preferable to blend ethyl vanillin.
In the mosquito coil of the present invention, containing the component (B) in the range of not less than 0.00025% by weight and not more than 5% by weight based on the total amount of mosquito coil incense only burns in a short space with high sealing property. Therefore, it is important that the fragrance is obtained for a long time as in the pest control effect, and the user can realize the pest control effect by the smell. Among them, the component (B) is preferably in the range of 0.0003% by weight or more and 2% by weight or less, particularly preferably 0.0005% by weight or more and 1% by weight or less, relative to the total amount of mosquito coiled incense. A range of .001 wt% or more and 0.4 wt% or less is more preferable.
＜成分（Ｃ）について＞
本発明における成分（Ｃ）は、線香基材である。本発明の蚊取線香における線香基材は、燃焼基材（支燃材）、粘結剤および増量剤に大別できる。
燃焼基材（支燃剤）としては、例えば、ビャクシン粉末、ビャクダン粉末、クスノキ粉末、モミノキ粉末、スギ粉末、ヒノキ粉末、ツガ粉末、マツ粉末、ヤナギ粉末、ウバメガシ粉末、カシ粉末、クヌギ粉末、ナラ粉末、イタヤカエデ粉末、ナラハリギリ粉末、ホオノキ粉末、シナノキ粉末、トウヒ粉末、イエローポプラ粉末、カツラ粉末、アカシア粉末、ヤマナラシ粉末、オオバボダイジュ粉末、オオバヤナギ粉末、サワグルミ粉末、ネズコ粉末、キリ粉末、シオジ粉末、バルサ粉末、ゴム粉末、ラワン粉末、シラカバ粉末、ミツマタ粉末、オガ粉末、タケ粉末、柑橘類粉末（オレンジ、ミカンの皮）、ヤシ科植物粉末（ココナッツ粉等）、キク科植物粉末、アカネ科植物粉末、スイカズラ科植物粉末、センダン科植物粉末、ジンチョウゲ科植物粉末、シソ科植物粉末、フトモモ科植物粉末、セリ科植物粉末、イネ科植物粉末、クワ科植物粉末、モクセイ科植物粉末、除虫菊抽出粉末（カス粉）等の植物乾燥粉末等が挙げられ、これらの１種または２種以上を混合して用いることができる。中でも、原木の粉末である木粉やココヤシ果実の乾燥粉末であるココナッツ粉は、燃焼性、成形性の観点から燃焼基材（支燃材）として好適である。
燃焼基材（支燃材）の粒径は約４０〜３５０μｍとするのが、製造時の舞い上がりがなく、線香の強度を確保できるため好ましい。また、燃焼基材（支燃剤）は、蚊取線香の組成中に２０〜６０重量％の割合で混合することが好ましい。この配合割合で燃焼基材（支燃剤）を混合することにより、立ち消えが起こりにくく、成形しやすくなる効果を奏する。
粘結剤は、糊粉ともいわれ、燃焼基材（支燃剤）を結合する糊の役目のものであり、例えば、カルボキシメチルセルロース、ヒドロキシメチルセルロース、ヒドロキシプロピルメチルセルロース等のセルロース類、タブノキ皮抽出粉やタブ粉、デンプン、スターチ等のデンプン類、アラビアゴム等の天然系高分子化合物、ポリビニルアルコール、ポリビニルピロリドン等の合成高分子化合物等が挙げられる。中でも、クスノキ科タブノキ属の常緑高木の葉や樹皮の乾燥粉末であるタブ粉が好適である。
増量剤としては、例えば、炭酸カルシウム、珪藻土、ガラス粉末、カオリン、クレー、タルク等が挙げられる。
本発明の蚊取線香は、増量剤として配合される無機粉体を、蚊取線香全量に対して、３０重量％以上７０重量％以下の範囲で含有することが好ましく、中でも、４０重量％以上６０重量％以下の範囲で含有することがより好ましい。無機粉体の配合量を上記範囲内とすることにより、本発明の蚊取線香は、煙量を少なくすることができ、さらに、燃焼後の灰が固くなるため周囲に飛び散ることもなく好適である。
<About Component (C)>
Component (C) in the present invention is an incense base. The incense base material in the mosquito coil of the present invention can be roughly classified into a combustion base (support material), a caking agent and a bulking agent.
As a combustion base (flame retardant), for example, sandalwood powder, sandalwood powder, camphor tree powder, fir tree powder, cedar powder, cypress powder, tsuga powder, pine powder, willow powder, willow powder, oak powder, oak powder, nara powder , Maple maple powder, Naracharigiri powder, Japanese cypress powder, Spruce powder, Yellow poplar powder, Katsura powder, Acacia powder, Acornia powder, Anchovy powder, Anchovy powder, Anchovy powder, Nezuko powder, Kiri powder, Shioji powder, Balsa powder , Gum powder, Rawa powder, Shirakaba powder, Mitsumata powder, Oga powder, Bamboo powder, Citrus powder (orange, orange peel), Palmiaceous plant powder (coconut powder etc.), Asteraceae powder, Rubiaceae plant powder, Honeysuckle Family powder, plant family powder, ginseng Plant dry powder etc., such as plant powder, sorghum plant powder, green family plant powder, sorghum plant powder, gramineaceous plant powder, mulberry family plant powder, millet family plant powder, insecticidal chrysanthemum extract powder (cass flour), etc. These 1 type (s) or 2 or more types can be mixed and used. Among them, coconut powder, which is a dry powder of wood powder and coconut fruit, which is a powder of raw wood, is suitable as a burning base material (support material) from the viewpoint of combustibility and formability.
It is preferable that the particle size of the combustion base material (support material) be about 40 to 350 μm, because it is possible to ensure the strength of the incense stick without causing a rise at the time of production. Moreover, it is preferable to mix a combustion base material (flame retardant) in the ratio of 20 to 60 weight% in the composition of mosquito coil incense. By mixing the combustion base material (the flame retardant) at this mixing ratio, it is difficult for the burn-out to occur and the effect of facilitating molding can be obtained.
The caking agent is also called paste powder and serves as a paste for binding a combustion base (support agent). For example, celluloses such as carboxymethylcellulose, hydroxymethylcellulose, hydroxypropyl methylcellulose and the like; Examples thereof include powders, starches such as starch and starch, natural polymer compounds such as gum arabic, and synthetic polymer compounds such as polyvinyl alcohol and polyvinyl pyrrolidone. Among them, tab flour which is a dry powder of the leaves and bark of evergreen trees of the genus Cupressaceae is preferred.
Examples of the filler include calcium carbonate, diatomaceous earth, glass powder, kaolin, clay, talc and the like.
The mosquito coil of the present invention preferably contains the inorganic powder blended as an extender in the range of 30% by weight or more and 70% by weight or less based on the total amount of mosquito coiled stick incense, and in particular, 40% by weight or more It is more preferable to contain in the range of 60 weight% or less. By setting the compounding amount of the inorganic powder in the above range, the mosquito coil of the present invention can reduce the smoke amount, and further, because the ash after burning becomes hard, it does not fly around and is preferable. is there.
本発明における成分（Ｃ）線香基材は、その他の成分として、乳化剤、防腐剤、殺虫・忌避剤、消臭剤、揮散率向上剤、着色剤等を配合することもできる。
乳化剤としては、例えば、モノステアリン酸ソルビタン、モノヤシ油脂肪酸ポリオキシエチレンソルビタン、モノオレイン酸ポリオキシエチレンソルビタン等の界面活性剤が挙げられる。
防腐剤としては、例えば、イソプロピルメチルフェノール、オルトフェニルフェノール、ｐ−ヒドロキシ安息香酸メチル、ｐ−ヒドロキシ安息香酸エチル、ｐ−ヒドロキシ安息香酸プロピル、ｐ−ヒドロキシ安息香酸ブチル等のパラオキシ安息香酸エステル、ＰＣＭＸ、ＩＰＢＣ、グルコン酸クロルヘキシジン、塩酸クロルヘキシジン、ソルビン酸、デヒドロ酢酸、またこれらの塩等が挙げられる。
消臭剤としては、例えば、メタクリル酸ラウリル、ゲラニルクロトネート、カテキン、ポリフェノール、茶葉等が挙げられる。
揮散率向上剤としては、例えば、フェネチルイソチオシアネート、ハイミックス酸ジメチル、硝酸カリウム、二酸化マンガン等が挙げられる。
着色剤としては、例えば、赤色１０６号、赤色１０２号、青色１号、青色２号、黄色５号、黄色４号、黄色２０２号の（１）、黄色２０２号の（２）、緑色３号、緑色２０１号、緑色２０４号、緑色２０５号、緑色４０１号、緑色４０２号、橙色２０７号、黒色４０１号等の法定色素やマラカイトグリーンが挙げられる。
The component (C) incense base in the present invention may further contain, as other components, an emulsifier, an antiseptic, an insecticide / repellent, a deodorant, a volatilization improver, a coloring agent and the like.
Examples of the emulsifier include surfactants such as sorbitan monostearate, polyoxyethylene soya fatty acid polyoxyethylene sorbitan, polyoxyethylene sorbitan monooleate, and the like.
As the preservative, for example, isopropyloxyphenol such as isopropylmethylphenol, orthophenylphenol, methyl p-hydroxybenzoate, ethyl p-hydroxybenzoate, propyl p-hydroxybenzoate, butyl p-hydroxybenzoate and the like, PCMX , IPBC, chlorhexidine gluconate, chlorhexidine hydrochloride, sorbic acid, dehydroacetic acid, salts thereof and the like.
As a deodorizer, for example, lauryl methacrylate, geranyl crotonate, catechin, polyphenol, tea leaf and the like can be mentioned.
As a volatilization rate improver, phenethyl isothiocyanate, dimethyl hymic acid, potassium nitrate, manganese dioxide etc. are mentioned, for example.
As a coloring agent, for example, red 106, red 102, blue 1, blue 2, yellow 5, yellow 4, yellow 202, (1), yellow 202 (2), green 3 And legal dyes such as green 201, green 204, green 205, green 401, green 402, orange 207, black 401 and the like, and malachite green.
本発明の蚊取線香は、従来公知の方法により製造することができるが、少なくとも、成分（Ａ）、成分（Ｂ）および成分（Ｃ）を、水もしくは温水と混練する工程を有し、その後は、例えば、押出成形機、打抜機によって成形した後、乾燥して製造すればよい。
従来の蚊取線香は、燃焼時間が少なくとも６時間以上のものであるが、本発明の蚊取線香は、長くても３０分以内に燃焼が終了することを１つの態様とするものであり、その燃焼時間は１０分以上３０分以下である。本発明の短時間燃焼とは、３０分以内に燃焼が終了することを意味する。
短時間燃焼型の蚊取線香は、従来の蚊取線香と形状においても大きく異なる。従来の蚊取線香は、渦巻状の全長が７００ｍｍ以上、厚みが５ｍｍ以上、重さが１０ｇ以上であるのに対し、本発明の１つの態様である短時間燃焼型の蚊取線香は、全長が１０ｍｍ以上５０ｍｍ以下の範囲、厚みが２ｍｍ以上５ｍｍ以下の範囲、重さが０．２ｇ以上２ｇ以下の範囲のものである。中でも、本発明の蚊取線香は、全長が２０ｍｍ以上５０ｍｍ以下の範囲、厚みが２．５ｍｍ以上４．５ｍｍ以下の範囲、重量が１ｇ以上１．８ｇ以下の範囲のものが好ましい。
線香の形状としては、棒状、渦巻き状、コーン状、プレート状（板状）等、使用目的に応じて適宜選択可能であるが、中でも、プレート状（板状）のものが好ましい。
The mosquito coil of the present invention can be produced by a conventionally known method, and it comprises at least a step of kneading the component (A), the component (B) and the component (C) with water or warm water, For example, it may be manufactured by drying after being formed by an extruder and a punching machine.
The conventional mosquito coil has a burning time of at least 6 hours or more, but the mosquito coil of the present invention has one aspect in which the burning is completed within 30 minutes at the longest, The combustion time is 10 minutes or more and 30 minutes or less. The short time combustion of the present invention means that the combustion is completed within 30 minutes.
The short-burning mosquito coil is also very different in shape from the conventional mosquito coil. The conventional mosquito coil incense has a total length of 700 mm or more, a thickness of 5 mm or more, and a weight of 10 g or more, whereas the short-time burning type mosquito coil according to one aspect of the present invention has a total length Is in the range of 10 mm to 50 mm, the thickness is in the range of 2 mm to 5 mm, and the weight is in the range of 0.2 g to 2 g. Among them, the mosquito coil of the present invention preferably has a length in the range of 20 mm to 50 mm, a thickness in the range of 2.5 mm to 4.5 mm, and a weight in the range of 1 g to 1.8 g.
The shape of the incense sticks can be appropriately selected depending on the purpose of use, such as a rod-like shape, a spiral shape, a cone shape, a plate shape (plate shape), etc. Among them, a plate shape (plate shape) is preferable.
本発明の害虫防除方法は、本発明の蚊取線香を使用して、少なくとも１２時間、害虫防除効果と芳香が持続することを特徴とするものであり、密閉性の高い空間での使用に適した方法である。本発明における害虫は特に限定されず、例えば、アカイエカ、ネッタイイエカ、チカイエカ、コガタアカイエカ等のイエカ類、トラフカクイカ等のカクイカ類、ヒトスジシマカ、ネッタイシマカ、トウゴウヤブカ、キンイロヤブカ、セスジヤブカ、オオクロヤブカ等のヤブカ類、アシマダラヌマカ等のヌマカ類、キンパラナガハシカ等のナガハシカ類、シナハマダラカ、コガタハマダラカ等のハマダラカ類、アシマダラブユ、キアシオオブユ等のブユ類、ウシアブ、イヨシロオビアブ等のアブ類、サシチョウバエ類、ヌカカ類、ツェツェバエ類等の吸血性や刺咬性害虫、セスジユスリカ、オオユスリカ、アカムシユスリカ、シマユスリカ、オオヤマチビユスリカ等のユスリカ類、ハチ類等が挙げられる。特に吸血性や刺咬性害虫が好適である。 The pest control method of the present invention is characterized in that the pest control effect and the fragrance are sustained for at least 12 hours using the mosquito coil of the present invention, and is suitable for use in a highly airtight space. Method. The pests according to the present invention are not particularly limited. Species, long-tailed deer such as Euphorax albopictus, anemonefish such as Chinese anemone fish, Anchovy edulis mosquitoes, anemonefish such as anipodfish, assassinid flies, vampires such as bullfinch, anchovy, etc Biting pests, C. mexicanus, C. mexicanus, C. mexicanus, C. mexicanus, C. mexicanus, C. mexicanus, C. mexicanus, etc., bees and the like. In particular, blood-sucking and biting pests are preferred.
以下、製剤例および試験例等により、本発明をさらに詳しく説明するが、本発明は、これらの例に限定されるものではない。実施例において、特に明記しない限り、部は重量部を意味する。 The present invention will be described in more detail by the following formulation examples and test examples, but the present invention is not limited to these examples. In the examples, parts mean parts by weight unless otherwise stated.
＜殺虫活性持続性確認試験＞
本発明の蚊取線香が、成分（Ａ）、（Ｂ）および（Ｃ）を併用し、成分（Ａ）、および（Ｂ）を特定量含有することにより、密閉性の高い空間において短時間燃焼させるだけで、害虫防除効果を長時間持続することができることを、アカイエカを使用した試験により示す。
（１）成分（Ｂ）香料成分
２−シクロヘキシリデン−２−フェニルアセトニトリルおよび３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノンを、香料全量に対してそれぞれ５重量％および２重量％を使用した。
（２）試験検体
木粉、ココナッツ粉およびタブ粉をよく混合したものを、成分（Ｃ）線香基材の燃焼基材（支燃材）として使用した。
次に成分（Ａ）としてメトフルトリン０．４重量部、成分（Ｂ）として上記香料成分を含有する香料０．１重量部および成分（Ｃ）線香基材として、増量剤である炭酸カルシウム５０重量部と上記燃焼基材（支燃材）を使用して全体量を１００重量部とし、これに適量の温水を添加して均一になるまで練合した。練合物を押出成形機（エクストルーダー）を用いてシート状（帯状）に成形した後、打抜機によって板状に打ち抜いた。その後、一端の角度が３６度、高さが４０ｍｍの二等辺三角形状に成形したものを、６５℃の微風下において１０時間乾燥して、１個あたり、重さ１．５ｇ、厚み３ｍｍの短時間燃焼型の蚊取線香を得た。これを試験検体として使用した。
<Pesticidal activity sustainability test>
The mosquito coil of the present invention combines components (A), (B) and (C), and contains components (A) and (B) in a specific amount, so that it burns in a short time in a space with high sealability. The results show that the pest control effect can be sustained for a long time only by
(1) Component (B) Perfume Component 5% by weight of 2-cyclohexylidene-2-phenylacetonitrile and 3,5-dinitro-2,6-dimethyl-4-t-butylacetophenone, respectively, based on the total amount of perfume and 2% by weight was used.
(2) Test sample A well-mixed mixture of wood flour, coconut flour and tab flour was used as a combustion base (support material) of the component (C) incense base.
Next, 0.4 parts by weight of metfluthrin as component (A), 0.1 parts by weight of fragrance containing the above-mentioned perfume component as component (B) and 50 parts by weight of calcium carbonate as an extender as component (C) incense base Using the above-mentioned combustion base (support material), the total amount was 100 parts by weight, and an appropriate amount of warm water was added thereto and kneaded until uniform. The kneaded product was formed into a sheet (band shape) using an extruder (extruder), and then punched into a plate by a punching machine. After that, one that is formed into an isosceles triangle with an angle of 36 degrees at one end and a height of 40 mm is dried for 10 hours under a slight wind of 65 ° C., and the weight per piece is 1.5 g, thickness is 3 mm I got a time-burning mosquito coil. This was used as a test sample.
（３）試験方法
無換気８畳試験室（３．６ｍ×３．６ｍ×高さ２．４ｍ≒３１．１ｍ３）に、図１に示すように、供試虫（アカイエカ）２０頭を入れたポリエステル製ケージ（１４メッシュ、２３ｃｍ×２３ｃｍのＰＥＴ製の網を二つ折りにして袋状としたもの）を試験室の床から０．７５ｍ、１．５ｍの高さに、各２個対角方向に合計４個を設置した。
設置は、供試虫のノックダウン数を観察するタイミングである、試験開始直後、６時間後、１２時間後のそれぞれに行った。
試験開始は、一端に点火した試験検体を線香皿に立て、試験室の中央に設置した時点とした。試験検体の燃焼時間は１５分であった。
試験開始直後、６時間後、１２時間後のそれぞれにおいて、設置した４個のポリエステル製ケージ中の供試虫のノックダウン数を１０分毎に計測した。
経時的な供試虫のノックダウン数（行動停止した頭数）からノックダウン率を算出し、時間経過にともなうノックダウン率からプロビット法によりＫＴ50値（供試虫の５０％がノックダウンする時間：分）およびＫＴ９０値（供試虫の９０％がノックダウンする時間：分）を算出した。
また、設置した４個のポリエステル製ケージは、試験室内にそれぞれ、試験開始直後〜２時間後、６〜８時間後、１２〜１４時間後の２時間放置した後、供試虫をプラスチック容器に移し、２５℃の別室に移して砂糖水を与え、さらに２４時間後の死虫数を計測し、２４時間後の致死率（％）を算出した。
試験検体につき２回の試験を行い、ＫＴ50値（分）、ＫＴ９０値（分）、２４時間後の致死率（％）の平均値を表１に示す。
(3) Test method As shown in FIG. 1, 20 test insects (Rice mosquitoes) are placed in a non-ventilated 8 tatami test room (3.6 m × 3.6 m × 2.4 m331.1 m 3 ). Polyester cages (14 mesh, 23 cm × 23 cm PET net folded in half into a bag) at a height of 0.75 m and 1.5 m from the floor of the test room A total of four were installed in the direction.
The setting was performed immediately after the start of the test, and 6 hours and 12 hours after the start of the test, which was the timing for observing the knockdown number of the test insect.
The test was started when the test sample with one end ignited was placed on the incense plate and placed in the center of the test room. The burning time of the test sample was 15 minutes.
Immediately after the start of the test, 6 hours after and 12 hours after, the number of knockdowns of the test insect in four polyester cages placed was measured every 10 minutes.
The knockdown rate is calculated from the number of knockdowns of the test insect over time (number of animals that have stopped working), and the KT 50 value (probability of 50% of test insects knockdown) from the knockdown rate over time : Minutes) and KT 90 values (time for knocking down 90% of the test insects: minutes) were calculated.
In addition, four polyester cages are placed in the test room after leaving them for 2 hours immediately after the start of the test, 2 hours later, 6 hours after 8 hours, 12 hours after 12 hours, and then placing the test insects in plastic containers. Transfer to a separate room at 25 ° C. to give sugar water, count the number of dead insects after 24 hours, and calculate the mortality rate (%) after 24 hours.
Two tests were conducted for each test sample, and the average values of KT 50 (minutes), KT 90 (minutes) and mortality (%) after 24 hours are shown in Table 1.
表１の結果より、本発明の蚊取線香は、試験開始（燃焼開始）から１２〜１４時間経過後、すなわち半日が経過した状態であっても、ＫＴ50値が１９．８分、ＫＴ９０値が４４．７分であり、燃焼時間が短時間であっても、密閉性の高い空間での使用において害虫防除効果が長時間持続することが確認された。
さらに、表１中の「２４時間後の致死率」に示すように、ほぼ１００％の致死率であることから、ノックダウン（行動停止した）供試虫もその後致死したことを確認することができ、本発明の蚊取線香は、密閉性の高い空間での使用において、高い殺虫効果を発揮することが明らかとなった。
According to the results in Table 1, the mosquito coil of the present invention has a KT 50 value of 19.8 minutes, KT 90 even after 12 to 14 hours since the start of the test (combustion start), that is, even when half a day has passed. Even if the value is 44.7 minutes and the burning time is short, it is confirmed that the pest control effect lasts for a long time in the use in a highly airtight space.
Furthermore, as shown in “Deletion after 24 hours” in Table 1, from the fact that it is almost 100% lethality, it should be confirmed that the knockdown (action stopped) test insect also died thereafter. It has been revealed that the mosquito coil of the present invention exerts a high insecticidal effect when used in a highly airtight space.
＜芳香持続性確認試験＞
本発明の蚊取線香が、成分（Ａ）、（Ｂ）および（Ｃ）を併用し、成分（Ｂ）として特定の香料成分を含有することにより、密閉性の高い空間での使用において、害虫防除効果と同じく長時間にわたり芳香が得られることを、試験により示す。
（１）成分（Ｂ）香料成分
本発明の成分（Ｂ）として、以下の香料成分（ｂ１）、（ｂ２）、（ｂ３）を使用した。
（ｂ１）：香料全量に対して、５重量％の２−シクロヘキシリデン−２−フェニルアセトニトリルおよび２重量％の３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノン
（ｂ２）：香料全量に対して、８重量％のβ−イオノン、５重量％のアセチルセドレンおよび５重量％のα−イソメチルイオノン
（ｂ３）：香料全量に対して、５重量％のα−イソメチルイオノン
（２）試験検体
木粉、ココナッツ粉およびタブ粉を乳鉢に入れて用いてよく混合したものを、成分（Ｃ）線香基材の燃焼基材（支燃材）として使用した。
次に成分（Ａ）としてメトフルトリン０．４重量部、成分（Ｂ）として上記（ｂ１）〜（ｂ３）いずれかの香料成分を含有する香料０．１重量部および成分（Ｃ）線香基材として、増量剤である炭酸カルシウム５０重量部と上記の燃焼基材（支燃材）を使用して全体量を１００重量部とし、これに適量の温水を添加して均一になるまで練合した。練合物を押出成形機（エクストルーダー）を用いてシート状（帯状）に成形した後、打抜機によって板状に打ち抜いた。その後、一端の角度が３６度、高さが４０ｍｍの二等辺三角形状に成形したものを、６５℃の微風下において１０時間乾燥して、１個あたり、重さ１．５ｇ、厚み３ｍｍの短時間燃焼型の蚊取線香を得た。これを実施例１〜３の試験検体として使用した。また、成分（Ｂ）を含有しない香料を使用すること以外は実施例と同じ試験検体を比較例として、使用した。試験に供した実施例１〜３と比較例１〜３の詳細は以下のとおりである。
実施例１：香料として上記香料成分（ｂ１）を含有する試験検体
比較例１：香料として上記香料成分（ｂ１）を含有しないこと以外は実施例１と同じ試験検体
実施例２：香料として上記香料成分（ｂ２）を含有する試験検体
比較例２：香料として上記香料成分（ｂ２）を含有しないこと以外は実施例２と同じ試験検体
実施例３：香料として上記香料成分（ｂ３）を含有する試験検体
比較例３：香料として上記香料成分（ｂ３）を含有しないこと以外は実施例３と同じ試験検体
（２）試験方法
一端に点火した試験検体（実施例１〜３、比較例１〜３）を線香皿に立て、無換気８畳試験室（３．６ｍ×３．６ｍ×高さ２．４ｍ≒３１．１ｍ３）の床中央に設置し、無換気条件で１２時間放置した。１２時間後に、「煙臭さ」と「香り強度」について官能評価を実施した。
「煙臭さ」「香り強度」の２項目について、パネラー２０名が下記５段階で点数評価し、各項目について平均点を算出し、下記［評価基準］に従い「煙臭マスキング評価」と「芳香評価」として表２に結果を示す。
「煙臭さ」
１点：煙臭い
２点：やや煙臭い
３点：普通
４点：あまり煙臭くない
５点：煙臭くない
「香り強度」
１点：香りが弱い
２点：香りがやや弱い
３点：普通
４点：香りが少し強い
５点：香りが強い
[評価基準]
Ａ：評価平均点が３点以上
Ｂ：評価平均点が２以上３未満
Ｃ：評価平均点が１以上２未満
<Fragrance persistence test>
The mosquito coil of the present invention contains components (A), (B) and (C) in combination, and contains a specific fragrant component as component (B), so that the pest in use in a highly airtight space Tests show that the fragrance is obtained over a long time as well as the control effect.
(1) Component (B) Perfume component The following perfume components (b1), (b2) and (b3) were used as a component (B) of the present invention.
(B1): 5% by weight of 2-cyclohexylidene-2-phenylacetonitrile and 2% by weight of 3,5-dinitro-2,6-dimethyl-4-t-butylacetophenone (b2) based on the total amount of the perfume : 8% by weight of β-ionone, 5% by weight of acetyl cedrene and 5% by weight of α-isomethylionone (b3): 5% by weight of α-iso, based on the total amount of the fragrance Methylionone (2) Test Specimen A mixture of wood powder, coconut powder and tab powder in a mortar and thoroughly mixed was used as a combustion base (support material) of the component (C) incense base.
Next, 0.1 parts by weight of a perfume containing 0.4 parts by weight of metfluthrin as the component (A) and 0.1% by weight of a fragrance containing the fragrance component as any of the above (b1) to (b3) as the component (B) Using 50 parts by weight of calcium carbonate as an extender and the above combustion base material (support material), the total amount was 100 parts by weight, and an appropriate amount of warm water was added thereto and kneaded until uniform. The kneaded product was formed into a sheet (band shape) using an extruder (extruder), and then punched into a plate by a punching machine. After that, one that is formed into an isosceles triangle with an angle of 36 degrees at one end and a height of 40 mm is dried for 10 hours under a slight wind of 65 ° C., and the weight per piece is 1.5 g, thickness is 3 mm I got a time-burning mosquito coil. This was used as a test sample of Examples 1-3. In addition, the same test sample as that of the example was used as a comparative example except that a flavor not containing the component (B) was used. The details of Examples 1 to 3 and Comparative Examples 1 to 3 subjected to the test are as follows.
Example 1: Test sample containing the above perfume component (b1) as a perfume Comparative example 1: The same test sample as in Example 1 except that the above perfume component (b1) is not contained as a perfume Example 2: Above perfume as perfume Test Sample Containing Component (b2) Comparative Example 2: The same test sample as Example 2 except that the above perfume component (b2) is not contained as a perfume Example 3: Test containing the above perfume component (b3) as a perfume Specimen Comparative Example 3 The same test specimen as in Example 3 except that the above-mentioned perfume component (b3) is not contained as a perfume (2) Test method Test specimen ignited at one end (Examples 1 to 3, Comparative Examples 1 to 3) Were placed in the incense plate, placed in the center of the floor of a non-ventilated 8 tatami test room (3.6 m × 3.6 m × 2.4 m ≒ 31.1 m 3 ), and left for 12 hours under non-ventilated conditions. After 12 hours, sensory evaluation was carried out on "smell odor" and "odor intensity".
Twenty panelists rated 2 items of "smell odor" and "scent intensity" in the following 5 grades, calculated the average score for each item, and evaluated "smell odor masking evaluation" and "aroma according to the following" evaluation criteria " The results are shown in Table 2 as “Evaluation”.
"Smoke"
1 point: smoke smell 2 points: somewhat smoke smell 3 points: normal 4 points: not much smoke smell 5 points: not smell smell "scent"
1 point: weak smell 2 points: slightly weak smell 3 points: normal 4 points: strong smell a little 5 points: strong smell
[Evaluation criteria]
A: Average evaluation score is 3 or more B: Evaluation average score is 2 or more and less than 3 C: Evaluation average score is 1 or more and less than 2
表２の結果より、本発明の蚊取線香（実施例１〜３）は、「煙臭マスキング評価」「芳香評価」ともに、「３．０」以上のＡ評価であり、密閉性の高い空間での使用において、害虫防除効果と同じく１２時間後も煙臭マスキング効果と芳香に優れることが確認された。一方、本発明の成分（Ｂ）を含有しない蚊取線香（比較例１〜３）は、「煙臭マスキング評価」「芳香評価」ともに、「３．０」より低いＢまたはＣ評価であり、煙臭マスキング効果と芳香に劣ることが確認された。
本発明の成分（Ｂ）は、蚊取線香の煙臭を長時間にわたりマスキングしながら、芳香を維持するという優れた効果を発揮する成分であることが、明らかとなった。
From the results of Table 2, the mosquito coil of the present invention (Examples 1 to 3) has an A rating of "3.0 or more" for both the "smoke odor masking evaluation" and "aroma evaluation", and the space with high sealing property It was confirmed that the smoke odor masking effect and the aroma were excellent even after 12 hours in the same manner as the pest control effect. On the other hand, mosquito coil incense which does not contain the component (B) of the present invention (comparative examples 1 to 3) is B or C evaluation lower than "3.0" in both "smoke odor masking evaluation" and "aroma evaluation", It was confirmed to be inferior to the smoke odor masking effect and the aroma.
It became clear that the component (B) of this invention is a component which exhibits the outstanding effect of maintaining a fragrance, masking the smoke odor of mosquito coil incense for a long time.
本発明によれば、成分（Ａ）として特定の蒸気圧を有するピレスロイド化合物と、成分（Ｂ）として特定の香料成分を、それぞれ特定量組み合わせることにより、害虫防除効果と同じく長時間にわたり芳香が得られるため、使用者は、害虫防除効果を香りにより実感することが可能な蚊取線香とし得るため、有用である。さらに、芳香を害虫防除効果と連動させることで、香りの有無によって害虫防除効果の持続を使用者が認識できるようになると推測する。 According to the present invention, by combining a pyrethroid compound having a specific vapor pressure as the component (A) and a specific perfume component as the component (B) in a specific amount, an aroma is obtained over a long time as in the pest control effect. Therefore, the user is useful because it can be a mosquito coil that can realize the pest control effect by the smell. Furthermore, by linking the aroma with the pest control effect, it is estimated that the user can recognize the continuation of the pest control effect depending on the presence or absence of the smell.
Claims (4)
成分（Ａ）の含有量が０．００５重量％以上５重量％以下であり、
成分（Ｂ）の含有量が０．０００２５重量％以上５重量％以下であることを特徴とする蚊取線香。
成分（Ａ）：Ｄｏｎｏｖａｎ法による２５℃における蒸気圧が１×１０−５〜１×１０−４ｍｍＨｇの範囲のピレスロイド化合物
成分（Ｂ）：２−シクロヘキシリデン−２−フェニルアセトニトリル、３，５−ジニトロ−２，６−ジメチル−４−ｔ−ブチルアセトフェノン、β−イオノン、アセチルセドレンおよびα−イソメチルイオノンから選択されるいずれか１種以上の香料成分
成分（Ｃ）：線香基材 The following components (A), (B) and (C) are contained,
The content of component (A) is 0.005% by weight or more and 5% by weight or less,
Mosquito coil in which the content of the component (B) is not less than 0.00025% by weight and not more than 5% by weight.
Component (A): Pyrethroid compound having a vapor pressure of 1 × 10 −5 to 1 × 10 −4 mmHg at 25 ° C. according to the Donovan method Component (B): 2-cyclohexylidene-2-phenylacetonitrile, 3,5 Any one or more perfume ingredients selected from dinitro-2,6-dimethyl-4-tert-butylacetophenone, β-ionone, acetyl cedrene and α-isomethyl ionone Component (C): fragrant base material
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