JP2004269475A - Acaricidal composition - Google Patents
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Abstract
Description
【０００１】
【発明の属する技術分野】
本発明は２−（２，６−ジフルオロフェニル）−４−（２−エトキシ−４−ｔｅｒｔ−ブチルフェニル）−２−オキサゾリンを有効成分として含有する殺ダニ剤、及びそれを家屋内に施用する殺ダニ方法に関するものである。
【０００２】
【従来の技術】
式（Ａ）
【０００３】
【特許文献１】
国際特許公開第９３／２２２９７号パンフレット
【０００４】
【発明が解決しようとする課題】
本発明は、家屋内に棲息するダニを防除するのに適した本化合物の製剤を提供することを目的とするものである。
【０００５】
【課題を解決するための手段】
本発明者は、本化合物の製剤につき鋭意検討を行った結果、本化合物、ポリオキシエチレンヒマシ油又はポリオキシエチレン硬化ヒマシ油、脂肪酸エステル、低級アルコール及び水を特定の比率で含有する組成物が、保存安定性が高く、また家屋内に棲息するダニを防除するのに適した製剤であることを見出し、本発明に至った。
【０００６】
即ち、本発明は（１）本化合物、（２）ポリオキシエチレンヒマシ油又はポリオキシエチレン硬化ヒマシ油、（３）脂肪酸エステル、（４）低級アルコール及び（５）水を特定の比率で含有する殺ダニ組成物（以下、本発明組成物と記す。）、及び本発明組成物を家屋内に施用する殺ダニ方法を提供するものである。
【０００７】
【発明の実施の形態】
本化合物は特許文献１に記載の方法により製造することができる。本化合物は、通常、本発明組成物中に０．００１〜１重量％含有される。
【０００８】
本発明において用いられるポリオキシエチレンヒマシ油は、ヒマシ油にエチレンオキシドを付加重合して得られる界面活性剤であり、ポリオキシエチレン硬化ヒマシ油は、水添ヒマシ油にエチレンオキシドを付加重合して得られる界面活性剤であって、これらにおけるエチレンオキシドの付加モル数（ヒマシ油又は硬化ヒマシ油１モル当り）は通常３〜６０、好ましくは２０〜４０程度である。
【０００９】
入手容易な市販のポリオキシエチレンヒマシ油としては、例えば、日光ケミカルズ株式会社製ＣＯ−３（エチレンオキサイド付加モル数３）、ＣＯ−１０（エチレンオキサイド付加モル数１０）、ＣＯ−２０ＴＸ（エチレンオキサイド付加モル数２０）、ＣＯ−４０ＴＸ（エチレンオキサイド付加モル数４０）、ＣＯ−５０ＴＸ（エチレンオキサイド付加モル数５０）及びＣＯ−６０ＴＸ（エチレンオキサイド付加モル数６０）、クローダジャパン株式会社製Ｅｔｏｃａｓ ５（エチレンオキサイド付加モル数５）、Ｅｔｏｃａｓ１０（エチレンオキサイド付加モル数１０）、Ｅｔｏｃａｓ ２９（エチレンオキサイド付加モル数２９）、Ｅｔｏｃａｓ ３５（エチレンオキサイド付加モル数３５）、Ｅｔｏｃａｓ ４０（エチレンオキサイド付加モル数４０）及びＥｔｏｃａｓ ６０（エチレンオキサイド付加モル数６０）、並びに日本エマルジョン株式会社製ＥＭＡＬＥＸ Ｃ−２０（エチレンオキサイド付加モル数２０）、ＥＭＡＬＥＸ Ｃ−３０（エチレンオキサイド付加モル数３０）及びＥＭＡＬＥＸ Ｃ−４０（エチレンオキサイド付加モル数４０）等が挙げられる。入手容易な市販のポリオキシエチレン硬化ヒマシ油としては、例えばクローダジャパン株式会社製Ｃｒｏｄｕｒｅｔ７、Ｃｒｏｄｕｒｅｔ２５、Ｃｒｏｄｕｒｅｔ４０、Ｃｒｏｄｕｒｅｔ５０及びＢＣｒｏｄｕｒｅｔ６０、日光ケミカルズ株式会社製ＨＣＯ−５（エチレンオキサイド付加モル数５）、ＨＣＯ−１０（エチレンオキサイド付加モル数１０）、ＨＣＯ−２０（エチレンオキサイド付加モル数２０）、ＨＣＯ−３０（エチレンオキサイド付加モル数３０およびＨＣＯ−４０（エチレンオキサイド付加モル数４０）、並びに日本エマルジョン株式会社製ＥＭＡＬＥＸ ＨＣ−２０（エチレンオキサイド付加モル数２０）等が挙げられる。
【００１０】
本発明組成物中のポリオキシエチレンヒマシ油又はポリオキシエチレン硬化ヒマシ油の量は、本化合物１重量部に対して１０〜１００重量部、好ましくは１５〜８０重量部の割合である。尚、ポリオキシエチレンヒマシ油およびポリオキシエチレン硬化ヒマシ油の両方を使用する場合は、通常、ポリオキシエチレンヒマシ油及びポリオキシエチレン硬化ヒマシ油の合計量が本化合物１重量部に対して１０〜１００重量部、好ましくは１５〜８０重量部の割合である。
【００１１】
本発明組成物中に含有される界面活性剤は、上述のようにポリオキシエチレンヒマシ油又はポリオキシエチレン硬化ヒマシ油であるが、さらにアニオン性界面活性剤、例えばポリオキシエチレントリデシルエーテル酢酸ナトリウム（ＥＣＴＤ−６ＮＥＸ；日光ケミカルズ株式会社製）を配合してもよい。
【００１２】
本発明組成物中に含有される脂肪族エステルは、通常、炭素数５〜１５の脂肪酸モノカルボン酸又はジカルボン酸の炭素数１〜８のアルキルエステルであり、好ましくは総炭素数１２〜１８のアジピン酸エステル又はセバシン酸エステル、具体的には例えばアジピン酸ジイソプロピル、アジピン酸ジエチル、セバシン酸ジブチル、セバシン酸ジイソプロピル等が挙げられる。とりわけ、アジピン酸ジイソプロピルが好ましい。
本発明組成物中の該脂肪族エステルの量は、本化合物１重量部に対して１０〜６０重量部、好ましくは１０〜４０重量部である。
【００１３】
本発明組成物中に含有される低級アルコールは、炭素数１〜４の脂肪族アルコールであり、エタノール又は２−プロパノールが好ましい。特に、エタノールが好適に用いられる。本発明組成物中の低級アルコールの量は、本化合物１重量部に対して２００〜１２００重量部、好ましくは２００〜６００重量部である。
【００１４】
本発明組成物中に含有される水の量は、本化合物１重量部に対して１００〜３００００重量部、好ましくは３００〜１５０００重量部である。
【００１５】
本発明組成物は、必要に応じて酸化防止剤、共力剤、安定化剤、ｐＨ調節剤等を適宜含有していてもよい。
【００１６】
酸化防止剤としては、例えばジブチルヒドロキシトルエン、ブチルヒドロキシアニソール、２，２−メチレンビス（４−メチル−６−ｔｅｒｔ−ブチルフェノール）、２，６−ジ−ｔ−ブチル−４−メチルフェノ−ル等のフェノール系酸化防止剤等が挙げられる。
【００１７】
共力剤としては、例えばビス−（２，３，３，３−テトラクロロプロピル）エーテル（Ｓ−４２１）、Ｎ−（２−エチルヘキシル）ビシクロ［２．２．１］ヘプト−５−エン−２，３−ジカルボキシイミド（ＭＧＫ２６４）、α−［２−（２−ブトキシエトキシ）エトキシ］−４，５−メチレンジオキシ−２−プロピルトルエン（ＰＢＯ）等が挙げられる。
【００１８】
安定剤としては、ベンゾフェノン系またはベンゾトリアゾール系等の紫外線吸収剤等が挙げられる。
【００１９】
本化合物が概してアルカリ性で安定な傾向を示すことから。ｐＨ調節剤としてクエン酸ナトリウム、トリエタノールアミン、水酸化カリウム、水酸化カルシウム、水酸化ナトリウム、炭酸ナトリウム、無水ピロリン酸ナトリウム、ホウ砂、リン酸水素ナトリウム等を用いて、本発明組成物を弱アルカリ性に保つことが本発明組成物の殺ダニ活性を長期間保つのに有効である。
【００２０】
本発明組成物には、さらに必要に応じて、パラオキシ安息香酸エステル類等の抗菌剤、悪臭トラップとしての効能を有するβ−シクロデキストリンやベタイン、抗バクテリア剤であるトリクロル酸やヒノキチオール、悪臭のマスキング効果を有する植物精油等を適宜配合することができる。
【００２１】
本発明組成物は、例えば本化合物、ポリオキシエチレンヒマシ油又はポリオキシエチレン硬化ヒマシ油、脂肪酸エステル、低級アルコール、及び水、さらに必要に応じて添加される成分を混合することにより製造できる。
【００２２】
本発明組成物は、家屋内に棲息するダニの防除に有効である。防除し得るダニとしては、例えばコナヒョウヒダニ、ヤケヒョウヒダニ等のヒョウヒダニ類、コウノホシカダニ、ケナガコナダニ、ムギコナダニ等のコナダニ類、チリニクダニ、サヤアシニクダニ等のニクダニ類、マルニクダニ類、ミナミツメダニ、クワガタツメダニ、フトツメダニ、ホソツメダニ、アシナガツメダニ等のツメダニ類、イエダニ、トリサシダニ、ワクモ、スズメサシダニ等のイエダニ類、イエササラダニ類、シラミダニ類、ヒゼンダニ類等が挙げられる。
【００２３】
本発明組成物は、噴射剤、必要によりさらに気体担体を加えてエアゾール製剤（圧縮ガスを噴射剤として用いる噴霧器）として用いてもよいが、ポンプスプレー（例えば、特開平８−２９５３５９号公報参照）、トリガースプレー（例えば、特開平１４−２３３７９８号公報参照）などのように噴射剤を必要とせず、ポンプの動作により噴射される噴霧器を用いて噴霧するのが簡便である。
【００２４】
本発明の殺ダニ方法は本発明組成物を家屋内に施用することにより行われる。この場合の施用量は、本発明組成物を施用する面積１ｍ２あたりの本化合物量で、通常０．０１〜５０ｇの割合である。本発明組成物を施用する家屋内の場所としては、家屋内のダニが棲息している又は棲息しているであろう場所、具体的には例えばカーペット、畳等が挙げられる。本発明組成物の施用方法としては、例えば上記のエアゾール製剤又は噴霧器を用いて対象場所に噴霧する方法が挙げられる。
【００２５】
【実施例】
以下、本発明を実施例によりさらに詳細に説明するが、本発明はこれらの例に限定されるものではない。
【００２６】
製剤例１
アジピン酸ジイソプロピル０．２５重量部に、本化合物０．０２５重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）１．０重量部及びエタノール１０重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００２７】
製剤例２
アジピン酸ジイソプロピル０．５重量部に、本化合物０．０５重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）１．０重量部及びエタノール１５重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００２８】
製剤例３
アジピン酸ジイソプロピル０．５重量部に、本化合物０．０５重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）１．０重量部及びエタノール２０重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００２９】
製剤例４
アジピン酸ジイソプロピル１．０重量部に、本化合物０．１重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）２．０重量部及びエタノール２０重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００３０】
製剤例５
アジピン酸ジイソプロピル１．０重量部に、本化合物０．１重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）２．０重量部及びエタノール３０重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００３１】
製剤例６
アジピン酸ジイソプロピル２．０重量部に、本化合物０．１重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）８．０重量部及びエタノール２０重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００３２】
製剤例７
アジピン酸ジイソプロピル１．０重量部に、本化合物０．１重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）１．５重量部、ＥＣＴＤ−６ＮＥＸ（日光ケミカルズ株式会社製アニオン性界面活性剤）０．５重量部及びエタノール３０重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００３３】
製剤例８
アジピン酸ジイソプロピル０．３重量部に、本化合物０．０１重量部を溶解させ、Ｅｔｏｃａｓ３５（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）０．２重量部及びエタノール５重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００３４】
製剤例９
アジピン酸ジイソプロピル０．１５重量部に、本化合物０．０１重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）０．２重量部及びエタノール５重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００３５】
製剤例１０
アジピン酸ジイソプロピル０．１５重量部に、本化合物０．０１重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）０．２重量部及びエタノール１０重量部を混合し、脱イオン水を加えて全体を１００重量部とし、本発明組成物を得た。
【００３６】
比較例１
エタノール４０重量部に、本化合物０．１重量部を溶解させ、脱イオン水を加えて全体を１００重量部とした。
【００３７】
比較例２
エタノール４０重量部に、本化合物０．０２５重量部を溶解させ、脱イオン水を加えて全体を１００重量部とした。
【００３８】
比較例３
アジピン酸ジイソプロピル２．０重量部に、本化合物０．１重量部を溶解させ、Ｅｔｏｃａｓ２９（クローダジャパン株式会社製ポリオキシエチレンヒマシ油）４．０重量部及びエタノール１５重量部を混合し、脱イオン水を加えて全体を１００重量部とした。
【００３９】
比較例４
キシレン０．７８重量部及びポリオキシエチレンノニルフェニルエーテル０．１２重量部の混合物に本化合物０．１重量部を溶解させ、脱イオン水を加えて全体を１００重量部とした。
【００４０】
比較例５
キシレン０．０７８重量部及びポリオキシエチレンノニルフェニルエーテル０．０１２重量部の混合物に本化合物０．０１重量部を溶解させ、脱イオン水を加えて全体を１００重量部とした。
【００４１】
次に試験例を示す。
製剤例１〜８において得られた本発明組成物及び比較例１〜５において得られた組成物を、初期の液状と−５℃及び５℃で２週間保存した場合の液状とを観察した。結果を表１に示す。
【００４２】
【表１】
〇：透明で、濁りや分離なし。
×：濁りの発生又は本化合物の析出が見られる。
【００４３】
上表に示されるように、比較例１〜３の組成物は保存安定性が十分でない。また、ＷＯ９３／２２２９７の製剤例１に示されるようなキシレンとポリオキシエチレンノニルフェニルエーテルとを使用した乳剤の水希釈液も、液状が好ましいものではない。
【００４４】
試験例２
製造例５において得られた本発明組成物を用いて、カーペット（５×５ｃｍ）に３０ｃｍの高さからトリガースプレーで１回噴霧して、本発明組成物約１００ｍｇをカーペットに付着させた。風乾後、コナヒョウヒダニ（成ダニ約７０匹、若・幼ダニ約８０匹）を放ち、エサを与えて、３週間及び６週間後に成ダニ数及び若・幼ダニ数を調査した（３反復）。
結果を表に示す。
【００４５】
【表２】
【発明の効果】
本発明組成物は、保存安定性に優れ、家屋内のダニの防除に有効である。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an acaricide containing 2- (2,6-difluorophenyl) -4- (2-ethoxy-4-tert-butylphenyl) -2-oxazoline as an active ingredient, and to apply it to a house. It relates to the method of killing mites.
[0002]
[Prior art]
Formula (A)
[0003]
[Patent Document 1]
International Patent Publication No. 93/22297 pamphlet
[Problems to be solved by the invention]
An object of the present invention is to provide a preparation of the present compound, which is suitable for controlling ticks living in a house.
[0005]
[Means for Solving the Problems]
The present inventors have conducted intensive studies on the preparation of the present compound, and as a result, a composition containing the present compound, polyoxyethylene castor oil or polyoxyethylene hydrogenated castor oil, a fatty acid ester, a lower alcohol and water in a specific ratio is obtained. The present invention was found to be a preparation having high storage stability and suitable for controlling ticks living in houses.
[0006]
That is, the present invention contains (1) the present compound, (2) polyoxyethylene castor oil or polyoxyethylene hardened castor oil, (3) fatty acid ester, (4) lower alcohol, and (5) water in a specific ratio. It is intended to provide an acaricidal composition (hereinafter referred to as the present composition) and a method for acaricidal application of applying the present composition indoors.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
This compound can be produced by the method described in Patent Document 1. This compound is usually contained in the composition of the present invention in an amount of 0.001 to 1% by weight.
[0008]
Polyoxyethylene castor oil used in the present invention is a surfactant obtained by addition polymerization of castor oil with ethylene oxide, and polyoxyethylene hydrogenated castor oil is obtained by addition polymerization of hydrogenated castor oil with ethylene oxide. Surfactants, in which the number of moles of ethylene oxide added (per mol of castor oil or hydrogenated castor oil) is usually 3 to 60, preferably about 20 to 40.
[0009]
Examples of easily available commercially available polyoxyethylene castor oil include, for example, CO-3 (ethylene oxide added mole number: 3), CO-10 (ethylene oxide added mole number: 10), and CO-20TX (ethylene oxide) manufactured by Nikko Chemicals Co., Ltd. Additional mole number 20), CO-40TX (ethylene oxide added mole number 40), CO-50TX (ethylene oxide added mole number 50) and CO-60TX (ethylene oxide added mole number 60), Etocas 5 (manufactured by Croda Japan KK) Etocas 10 (ethylene oxide addition mole number 10), Etocas 29 (ethylene oxide addition mole number 29), Etocas 35 (ethylene oxide addition mole number 35), Etocas 40 (ethylene oxide addition mole) Mole number 40) and Etocas 60 (ethylene oxide addition mole number 60), and EMALEX C-20 (ethylene oxide addition mole number 20), EMALEX C-30 (ethylene oxide addition mole number 30) and EMALEX C manufactured by Nippon Emulsion Co., Ltd. -40 (40 moles of ethylene oxide added). Examples of commercially available polyoxyethylene hydrogenated castor oil that are easily available include, for example, Croduret 7, Croduret 25, Croduret 40, Croduret 50 and B Croduret 60 manufactured by Croda Japan Co., Ltd., HCO-5 (ethylene oxide added mole number 5), HCO-10 manufactured by Nikko Chemicals Co. (Ethylene oxide addition mole number 10), HCO-20 (Ethylene oxide addition mole number 20), HCO-30 (Ethylene oxide addition mole number 30 and HCO-40 (Ethylene oxide addition mole number 40), and Nippon Emulsion Co., Ltd. EMALEX HC-20 (the number of moles of ethylene oxide added is 20) and the like.
[0010]
The amount of polyoxyethylene castor oil or polyoxyethylene hydrogenated castor oil in the composition of the present invention is 10 to 100 parts by weight, preferably 15 to 80 parts by weight, per 1 part by weight of the present compound. When both polyoxyethylene castor oil and polyoxyethylene hydrogenated castor oil are used, the total amount of polyoxyethylene castor oil and polyoxyethylene hydrogenated castor oil is usually 10 to 10 parts by weight based on 1 part by weight of the present compound. 100 parts by weight, preferably 15 to 80 parts by weight.
[0011]
The surfactant contained in the composition of the present invention is, as described above, polyoxyethylene castor oil or polyoxyethylene hydrogenated castor oil, and further contains an anionic surfactant such as sodium polyoxyethylene tridecyl ether acetate. (ECTD-6NEX; manufactured by Nikko Chemicals Co., Ltd.).
[0012]
The aliphatic ester contained in the composition of the present invention is usually an alkyl ester having 1 to 8 carbon atoms of a fatty acid monocarboxylic acid or dicarboxylic acid having 5 to 15 carbon atoms, preferably having a total of 12 to 18 carbon atoms. Adipates or sebacates, specifically, for example, diisopropyl adipate, diethyl adipate, dibutyl sebacate, diisopropyl sebacate and the like. Especially, diisopropyl adipate is preferable.
The amount of the aliphatic ester in the composition of the present invention is 10 to 60 parts by weight, preferably 10 to 40 parts by weight, per 1 part by weight of the present compound.
[0013]
The lower alcohol contained in the composition of the present invention is an aliphatic alcohol having 1 to 4 carbon atoms, and is preferably ethanol or 2-propanol. In particular, ethanol is preferably used. The amount of the lower alcohol in the composition of the present invention is 200 to 1200 parts by weight, preferably 200 to 600 parts by weight, per 1 part by weight of the present compound.
[0014]
The amount of water contained in the composition of the present invention is 100 to 30,000 parts by weight, preferably 300 to 15,000 parts by weight, based on 1 part by weight of the present compound.
[0015]
The composition of the present invention may optionally contain an antioxidant, a synergist, a stabilizer, a pH adjuster, and the like, if necessary.
[0016]
Examples of the antioxidant include phenols such as dibutylhydroxytoluene, butylhydroxyanisole, 2,2-methylenebis (4-methyl-6-tert-butylphenol), and 2,6-di-t-butyl-4-methylphenol. Antioxidants and the like.
[0017]
Examples of the synergist include bis- (2,3,3,3-tetrachloropropyl) ether (S-421) and N- (2-ethylhexyl) bicyclo [2.2.1] hept-5-ene-. 2,3-dicarboximide (MGK264), α- [2- (2-butoxyethoxy) ethoxy] -4,5-methylenedioxy-2-propyltoluene (PBO) and the like.
[0018]
Examples of the stabilizer include a benzophenone-based or benzotriazole-based ultraviolet absorber.
[0019]
Because the compounds generally tend to be alkaline and stable. The composition of the present invention is weakened using sodium citrate, triethanolamine, potassium hydroxide, calcium hydroxide, sodium hydroxide, sodium carbonate, anhydrous sodium pyrophosphate, borax, sodium hydrogen phosphate, or the like as a pH adjuster. It is effective to keep the composition alkaline in order to maintain the acaricidal activity of the composition of the present invention for a long period of time.
[0020]
The composition of the present invention further comprises, if necessary, antibacterial agents such as paraoxybenzoates, β-cyclodextrin and betaine having an effect as an odor trap, trichloric acid and hinokitiol as antibacterial agents, and masking of odor. A vegetable essential oil having an effect can be appropriately blended.
[0021]
The composition of the present invention can be produced, for example, by mixing the present compound, polyoxyethylene castor oil or polyoxyethylene hardened castor oil, a fatty acid ester, a lower alcohol, and water, and further adding components as needed.
[0022]
The composition of the present invention is effective for controlling ticks living in houses. Examples of the mites that can be controlled include: Dermatophagoides farinae, Dermatophagoides farinae such as Dermatophagoides farinae, Dermatophagoides farinae such as Dermatophagoides farinae, Dermatophagoides farinae, Dermatophagoides farinae, Dermatophagoides farinae, Scarabaeidae, and other mites. And house dust mites, house mites, house mites, house mites, house mites, house lice mites, lice mites, and bark mites.
[0023]
The composition of the present invention may be used as an aerosol formulation (nebulizer using compressed gas as a propellant) by adding a propellant and, if necessary, a gaseous carrier, but may be used as a pump spray (for example, see JP-A-8-295359). It does not require a propellant as in the case of trigger spray (see, for example, JP-A-14-233798), and it is convenient to spray using a sprayer that is sprayed by the operation of a pump.
[0024]
The acaricide method of the present invention is carried out by applying the composition of the present invention to a house. In this case, the application rate is usually 0.01 to 50 g in terms of the amount of the present compound per 1 m 2 of the area to which the composition of the present invention is applied. The indoor place to which the composition of the present invention is applied includes a place where a house tick inhabits or is likely to inhabit, specifically, for example, a carpet, a tatami mat and the like. As an application method of the composition of the present invention, for example, a method of spraying a target place using the above-mentioned aerosol preparation or sprayer can be mentioned.
[0025]
【Example】
Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to these Examples.
[0026]
Formulation Example 1
0.025 parts by weight of the present compound is dissolved in 0.25 parts by weight of diisopropyl adipate, and 1.0 part by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 10 parts by weight of ethanol are mixed and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0027]
Formulation Example 2
0.05 parts by weight of the present compound is dissolved in 0.5 parts by weight of diisopropyl adipate, and 1.0 part by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 15 parts by weight of ethanol are mixed and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0028]
Formulation Example 3
0.05 parts by weight of the present compound is dissolved in 0.5 parts by weight of diisopropyl adipate, and 1.0 part by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 20 parts by weight of ethanol are mixed and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0029]
Formulation Example 4
0.1 part by weight of the present compound is dissolved in 1.0 part by weight of diisopropyl adipate, and 2.0 parts by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 20 parts by weight of ethanol are mixed and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0030]
Formulation Example 5
0.1 part by weight of this compound is dissolved in 1.0 part by weight of diisopropyl adipate, and 2.0 parts by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 30 parts by weight of ethanol are mixed and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0031]
Formulation Example 6
0.1 part by weight of the present compound is dissolved in 2.0 parts by weight of diisopropyl adipate, 8.0 parts by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Crowda Japan) and 20 parts by weight of ethanol are mixed, and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0032]
Formulation Example 7
0.1 part by weight of the present compound is dissolved in 1.0 part by weight of diisopropyl adipate, 1.5 parts by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.), and ECTD-6NEX (anion manufactured by Nikko Chemicals Co., Ltd.) 0.5 parts by weight of anionic surfactant) and 30 parts by weight of ethanol were mixed, and deionized water was added to make the whole 100 parts by weight, thereby obtaining a composition of the present invention.
[0033]
Formulation Example 8
0.01 parts by weight of the present compound is dissolved in 0.3 parts by weight of diisopropyl adipate, 0.2 parts by weight of Etocas 35 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 5 parts by weight of ethanol are mixed, and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0034]
Formulation Example 9
0.01 parts by weight of the present compound is dissolved in 0.15 parts by weight of diisopropyl adipate, and 0.2 parts by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 5 parts by weight of ethanol are mixed and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0035]
Formulation Example 10
0.01 parts by weight of this compound is dissolved in 0.15 parts by weight of diisopropyl adipate, and 0.2 parts by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 10 parts by weight of ethanol are mixed and deionized. Water was added to make the whole 100 parts by weight to obtain a composition of the present invention.
[0036]
Comparative Example 1
0.1 part by weight of the present compound was dissolved in 40 parts by weight of ethanol, and deionized water was added to make the whole 100 parts by weight.
[0037]
Comparative Example 2
0.025 parts by weight of the present compound was dissolved in 40 parts by weight of ethanol, and deionized water was added to make up the whole to 100 parts by weight.
[0038]
Comparative Example 3
0.1 parts by weight of the present compound is dissolved in 2.0 parts by weight of diisopropyl adipate, 4.0 parts by weight of Etocas 29 (polyoxyethylene castor oil manufactured by Croda Japan Co., Ltd.) and 15 parts by weight of ethanol are mixed, and deionized. Water was added to make the whole 100 parts by weight.
[0039]
Comparative Example 4
0.1 parts by weight of the present compound was dissolved in a mixture of 0.78 parts by weight of xylene and 0.12 parts by weight of polyoxyethylene nonylphenyl ether, and deionized water was added to make the whole 100 parts by weight.
[0040]
Comparative Example 5
In a mixture of 0.078 parts by weight of xylene and 0.012 parts by weight of polyoxyethylene nonylphenyl ether, 0.01 part by weight of the present compound was dissolved, and deionized water was added to make the whole 100 parts by weight.
[0041]
Next, test examples will be described.
The compositions of the present invention obtained in Formulation Examples 1 to 8 and the compositions obtained in Comparative Examples 1 to 5 were observed for the initial liquid state and the liquid state when stored at -5 ° C and 5 ° C for 2 weeks. Table 1 shows the results.
[0042]
[Table 1]
〇: Transparent, no turbidity or separation.
×: Generation of turbidity or precipitation of the compound is observed.
[0043]
As shown in the above table, the compositions of Comparative Examples 1 to 3 have insufficient storage stability. Also, a water dilution of an emulsion using xylene and polyoxyethylene nonylphenyl ether as shown in Formulation Example 1 of WO 93/22297 is not preferable in liquid form.
[0044]
Test example 2
Using the composition of the present invention obtained in Production Example 5, the carpet (5 × 5 cm) was sprayed once with a trigger spray from a height of 30 cm to attach about 100 mg of the composition of the present invention to the carpet. After air-drying, Dermatophagoides farinae (about 70 adult mites, about 80 young and juvenile mites) were released, fed, and the number of adult mites and the number of young and juvenile mites were examined three and six weeks later (three repetitions).
The results are shown in the table.
[0045]
[Table 2]
【The invention's effect】
The composition of the present invention has excellent storage stability and is effective for controlling house ticks.
Claims (6)
（２）ポリオキシエチレンヒマシ油又はポリオキシエチレン硬化ヒマシ油、
（３）脂肪酸エステル、
（４）低級アルコール、
及び
（５）水
を含有し、（１）〜（５）の含量が、（１）１重量部に対して、（２）が１０〜１００重量部、（３）が１０〜６０重量部、（４）が２００〜１２００重量部、（５）が１００〜３００００重量部の割合であることを特徴とする殺ダニ組成物。(1) 2- (2,6-difluorophenyl) -4- (2-ethoxy-4-tert-butylphenyl) -2-oxazoline as an acaricidal component;
(2) polyoxyethylene castor oil or polyoxyethylene hydrogenated castor oil,
(3) fatty acid esters,
(4) lower alcohol,
And (5) water, wherein the content of (1) to (5) is (1) 1 part by weight, (2) is 10 to 100 parts by weight, (3) is 10 to 60 parts by weight, An acaricidal composition, wherein (4) is 200 to 1200 parts by weight and (5) is 100 to 30000 parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003066234A JP4432336B2 (en) | 2003-03-12 | 2003-03-12 | Acaricidal composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003066234A JP4432336B2 (en) | 2003-03-12 | 2003-03-12 | Acaricidal composition |
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| Publication Number | Publication Date |
|---|---|
| JP2004269475A true JP2004269475A (en) | 2004-09-30 |
| JP4432336B2 JP4432336B2 (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003066234A Expired - Fee Related JP4432336B2 (en) | 2003-03-12 | 2003-03-12 | Acaricidal composition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153795A (en) * | 2005-12-05 | 2007-06-21 | Yashima Sangyo Kk | Ectoparasiticidal composition and method for exterminating ectoparasite |
| JP2009114118A (en) * | 2007-11-06 | 2009-05-28 | Lion Corp | Aqueous liquid composition for controlling acarid, aqueous liquid composition packed in spray can and used for controlling acarid and method for controlling acarid |
| JP2009292793A (en) * | 2008-06-09 | 2009-12-17 | Sumitomo Chemical Co Ltd | Mite-proof composition |
| WO2023243549A1 (en) * | 2022-06-14 | 2023-12-21 | 住友化学株式会社 | Dust-mite-controlling preparation containing etoxazole as active ingredient, and method for controlling dust mites using same |
-
2003
- 2003-03-12 JP JP2003066234A patent/JP4432336B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153795A (en) * | 2005-12-05 | 2007-06-21 | Yashima Sangyo Kk | Ectoparasiticidal composition and method for exterminating ectoparasite |
| JP2009114118A (en) * | 2007-11-06 | 2009-05-28 | Lion Corp | Aqueous liquid composition for controlling acarid, aqueous liquid composition packed in spray can and used for controlling acarid and method for controlling acarid |
| JP2009292793A (en) * | 2008-06-09 | 2009-12-17 | Sumitomo Chemical Co Ltd | Mite-proof composition |
| WO2023243549A1 (en) * | 2022-06-14 | 2023-12-21 | 住友化学株式会社 | Dust-mite-controlling preparation containing etoxazole as active ingredient, and method for controlling dust mites using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4432336B2 (en) | 2010-03-17 |
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