JP4535673B2

JP4535673B2 - Efficacy indicator of aerosol agent containing volatile drug, and medicinal effect indication method in environmental atmosphere using the same

Info

Publication number: JP4535673B2
Application number: JP2002282532A
Authority: JP
Inventors: 純郎勝田
Original assignee: Dainihon Jochugiku Co Ltd
Current assignee: Dainihon Jochugiku Co Ltd
Priority date: 2002-07-11
Filing date: 2002-09-27
Publication date: 2010-09-01
Anticipated expiration: 2022-09-27
Also published as: JP2004091452A

Description

【０００１】
【産業上の利用分野】
本発明は、揮散性薬剤含有エアゾール剤の改良に関し、更にその薬効表示具、及び環境雰囲気中の薬効表示方法に関するものである。
【０００２】
【従来の技術】
従来より、屋内で消臭、除菌、芳香剤や殺虫、防虫剤などの様々な揮散性薬剤が使用されている。例えば、主に台所、トイレや下駄箱などで、消臭成分及び／又は除菌成分と芳香成分を含むエアゾール剤が対象物に対して直接噴霧処理され、また、室内やトイレなどでは、芳香成分を必要ならば電気による熱やファンを用いて徐々に放散させるように設計した固形状、ゲル状あるいは液状の芳香剤が普及している。そして、前者にあっては即時効果を目的とし、一方、後者の場合長時間にわたる持続効果を目指したものであり、両者は別々の商品形態をとっている。
ところで、この即時的な消臭及び／又は除菌処理後、長時間にわたりゆっくりではあっても芳香成分を放散し続けたいという需要も多く、検討が試みられているが、両方の効果を併せ持つタイプの商品は未だ開発されていない。例えば、特開平１１−３２１９５１号公報には、空間へ噴射する噴射ノズルへの連通路と、吸液蒸散体への連通路がエアゾールボタン内もしくはこれに連接するキャップ内で分岐しているエアゾール噴射装置が記載されているものの、エアゾール内容液処方との関係について何ら言及されておらず、有用な消臭、除菌、芳香エアゾール剤を提供できるほどに開示されているとは言いがたい。このことは殺虫、防虫剤についても同様である。
【０００３】
また、薬液保持体中に含まれる揮散性薬剤の薬効表示方法は各種提案されており、例えば、下記のような方法があげられる。
１）気化性（昇華性）染料を用いてその揮散による消色を利用したもの。
２）大気中のＣＯ₂やＨ₂Ｏとの接触により色調変化を生じる指示薬を利用したもの。
３）電子供与性色素と電子受容性の顕色性化合物を用い、かつ減感性成分の揮散による発色を利用したもの。
このうち、３）は特許第２６４０７１７号公報の記載技術に代表される方法で、通常電子受容性の顕色性化合物として、フェノール等の有機顕色性化合物が使用されるが、一方、特開昭６３−２１２３６４号公報や特開平７−３２４００３号公報には、顕色性化合物としてシリカなどの無機顕色性化合物を使用する方法も示されている。
【０００４】
しかし、いずれの場合も、電子供与性色素、電子受容性の顕色性化合物と、揮散性薬剤、ならびに必要ならば加えてもよい揮散性溶剤の３〜４成分（揮散性薬剤と揮散性溶剤の少なくとも一方が減感性を有する）を必須成分とした組成物、及びこれを担体に保持した薬剤保持体であることを特徴としている。すなわち、これらの従来技術は、揮散成分の揮散と共に呈色を生起せしめる薬効表示具を開示するが、実質一度限りの使用を意図したものであって、呈色後、減感性成分の補給手段や、繰り返し使用することについての言及は全くない。また、これまでに開発されたほとんどの薬効表示具は、薬液保持体中に含まれる揮散性薬剤の残量の減少を視覚的に知らせることにより使用者に交換を促す表示具であり、揮散性薬剤の環境雰囲気中の薬効を表示するという目的から開発された薬効表示具は未だない。
【０００５】
【発明が解決しようとする課題】
本発明は、即時的な薬効を与えた後、長時間にわたり揮散性薬剤の揮散を持続し、しかも遊び感覚を楽しめ得る揮散性薬剤含有エアゾール剤、及びこれに適用される薬効表示具であって、揮散性薬剤（エアゾール原液）の揮散経過及びその終点を色調変化により明瞭に認知でき、かつ繰り返し使用可能な薬効表示具、更にこれを用いた環境雰囲気中の薬効表示方法を提供しようとするものである。
【０００６】
【課題を解決するための手段及び発明の実施の形態】
上記課題を解決するため、本発明者らは、特開平１１−３２１９５１号公報の技術内容を参考にするとともに、エアゾール噴射装置に吸液蒸散体を収納してなる透明樹脂容器を付設し、噴射圧で吸液蒸散体を揺動させる構成を組み合わせることによって、目的の揮散性薬剤含有エアゾール剤が得られることを知見した。更に、非揮散性の電子供与性色素及び顕色性化合物が担持され前記色素に基づく発色を呈する吸液蒸散体に、減感性のエアゾール原液を含むエアゾール内容液を吸液させて退色せしめた後、エアゾール原液の継続的揮散が終点に近づくに伴い、吸液蒸散体の呈色を生起せしめる色調変化が目的の薬効表示システムに合致することを見出し本発明を完成した。
【０００７】
すなわち、請求項１の発明は、消臭成分としてのカキノキ、アジサイ及び緑茶抽出液、除菌成分としてのテトラヒドロリナロール及びヒノキチオール、芳香成分としての天然及び合成香料成分及びリラックスグリーン系香料、２０℃における蒸気圧が１×１０ ^-1 ｍＰａ〜１×１０ ² ｍＰａのピレスロイド系殺虫・防虫成分から選ばれる揮散性薬剤及び揮散性減感性溶剤としてのエタノールからなるエアゾール原液／噴射剤の比率が５０／５０〜１５／８５（容量比）であるエアゾール内容液をエアゾール噴射装置に充填し、このエアゾール噴射装置の上部には、外径１〜１０ｍｍの略球形のセルロース系担体である吸液蒸散体が収納された開口部付きの透明樹脂容器を付設し、噴射操作に伴い０．１５〜０．５ＭＰａ／２５℃の噴射圧で前記エアゾール内容液を前記透明樹脂容器内に噴射して前記吸液蒸散体を揺動せしめ、噴射された前記エアゾール内容液の２０〜７０％をこの吸液蒸散体に吸液させるとともに略残部を前記開口部から環境雰囲気中に噴射し、前記エアゾール内容液の空間噴射による即時効果と、噴射操作後３０分以上にわたり前記吸液蒸散体に吸液された前記エアゾール原液を環境雰囲気中に継続的に揮散させることによる持続効果を併せ持つようになした揮散性薬剤含有エアゾール剤に適用される薬効表示具であって、
トリフェニルメタン−フタリド系の非揮散性の電子供与性色素及び顕色性化合物が担持され前記色素に基づく発色を呈している前記吸液蒸散体に、減感性を有する前記エアゾール原液を含む前記エアゾール内容液を吸液させて退色せしめた後、前記吸液蒸散体に吸液された前記エアゾール原液の継続的揮散が終点に近づくに伴い、前記吸液蒸散体の呈色を生起せしめることにより、環境雰囲気中の前記揮散性薬剤の消失を示すようになしたことを特徴とする揮散性薬剤含有エアゾール剤の薬効表示具に関するものである。
【０００８】
本発明で用いられる揮散性薬剤は、常温で揮散して薬効を奏するもので、消臭成分、除菌成分、芳香成分、殺虫・防虫成分、防黴成分、忌避成分等があげられる。それぞれの各分野における揮散性薬剤を例示すると以下の如くであるがこれらに限定されるものではない。
▲１▼消臭成分：カキノキ、アジサイ、緑茶などの植物抽出液。
▲２▼除菌成分：テトラヒドロリナロール、ヒノキチオール。
▲３▼芳香成分：ラベンダー、ジャスミン、シトラール、シトロネラール、ハーブ、ライム油、オレンジオイルなどの天然及び合成香料成分、“緑の香り”と呼ばれる青葉アルコールや青葉アルデヒド配合の香料成分。
▲４▼殺虫・防虫成分：２０℃における蒸気圧が１×１０^-1ｍＰａ〜１×１０²ｍＰａのピレスロイド系殺虫・防虫剤。例えば、エムペントリン及び一般式（Ｉ）
【化１】

（式中、Ｘ及びＹは同一又は相異なって水素原子、メチル基、ハロゲン原子又はトリフルオロメチル基を表し、Ｚは水素原子、フッ素原子、メチル基、メトキシメチル基又はプロパルギル基を表す）で表されるフッ素置換ベンジルアルコールエステル化合物があげられる。一般式（Ｉ）の化合物の具体例としては、２,３,５,６−テトラフルオロベンジル−クリサンテマート（以降、化合物Ａと称す）、２,３,５,６−テトラフルオロベンジル−２，２−ジメチル−３−（１−プロペニル）シクロプロパンカルボキシラート（以降、化合物Ｂと称す）、２,３,５,６−テトラフルオロベンジル−２，２−ジメチル−３−（２，２−ジクロロビニル）シクロプロパンカルボキシラート（以降、化合物Ｃと称す）、４−メチル−２,３,５,６−テトラフルオロベンジル−クリサンテマート（以降、化合物Ｄと称す）、４−メチル−２,３,５,６−テトラフルオロベンジル−２，２−ジメチル−３−（１−プロペニル）シクロプロパンカルボキシラート（以降、化合物Ｅと称す）、４−メチル−２,３,５,６−テトラフルオロベンジル−２，２−ジメチル−３−（２−フルオロ−２−クロロビニル）シクロプロパンカルボキシラート（以降、化合物Ｆと称す）、４−メトキシメチル−２,３,５,６−テトラフルオロベンジル−クリサンテマート（以降、化合物Ｇと称す）、４−メトキシメチル−２,３,５,６−テトラフルオロベンジル−２，２−ジメチル−３−（１−プロペニル）シクロプロパンカルボキシラート（以降、化合物Ｈと称す）、２,３,４，５,６−ペンタフルオロベンジル−２，２−ジメチル−３−（２−クロロ−２−トリフルオロメチルビニル）シクロプロパンカルボキシラート（以降、化合物Ｉと称す）、４−プロパルギル−２,３,５,６−テトラフルオロベンジル−２，２−ジメチル−３−（１−プロペニル）シクロプロパンカルボキシラート（以降、化合物Ｊと称す）を例示できる。これらの化合物は一種類を使用してもよいし、又は二種類以上の化合物を組み合わせて使用してもよい。なお、エムペントリンや一般式（Ｉ）で表される化合物には、その不斉炭素や二重結合に基づく光学異性体や幾何異性体が存在するが、これらの各々やそれらの任意の混合物の使用も本発明に含まれるのは勿論である。
▲５▼防黴成分：ｏ−フェニルフェノール、３−メチル−４−イソプロピルフェノール。
これらの成分は、用途、使用目的に応じて適宜選択され、通常エアゾール全量に対して、０．１〜１０容量％の範囲で配合される。
【０００９】
本発明でエアゾール原液を構成する揮散性溶剤は、揮散性薬剤を均一に溶解し、更に薬液を経時的に安定に保つものであればよく、従来公知の、メタノール、エタノールなどのアルコール類、ミリスチン酸イソプロピル、フタル酸ジメチルなどのエステル類、ジエチレングリコールジメチルエーテル、エチレングリコール−ｎ−ブチルエーテルなどのグリコールエーテル類、アセトン、メチルエチルケトンなどのケトン類をあげることができる。これらの揮散性溶剤は減感性を有するので、併用する揮散性薬剤は減感性を有さなくても構わない。
なお、揮散性薬剤が上記消臭成分及び／又は除菌成分と芳香成分に係る場合は、薬理的に揮散性溶剤としてエタノールが適当であり、本発明でもこの組み合わせが好適に採用される。
【００１０】
エアゾール内容液中の噴射剤としては、液化石油ガス、ＤＭＥ、圧縮ガスなどが使用される。そして、エアゾール内容液中の前記エアゾール原液と噴射剤の比率は、後述するエアゾール噴射装置の仕様との組み合わせを考慮して、５０／５０〜１５／８５（容量比）に特定される。すなわち、本発明は、エアゾール内容液を、吸液蒸散体への吸液と空間噴射にバランスよく分配することに特徴を有するのであり、例えば噴射剤の比率が５０容量％より小さいと吸液蒸散体の揺動力が劣るばかりか空間噴霧粒子の拡散効果が弱くなり、一方、従来の消臭エアゾール剤のように、噴射剤の比率を８５容量％より多くすると、吸液蒸散体へ分配されるエアゾール内容液が少なくなり所望の持続効果が得られない。
【００１１】
本発明で用いられるエアゾール噴射装置には、エアゾールボタンもしくはこれに連接するキャップの上部に透明樹脂容器（好ましくは球状）が付設される。この透明樹脂容器は、開口部を備え、好ましくは略球形の吸液蒸散体を通常多数個収納してなり、噴射操作に伴い０．１５〜０．５ＭＰa／２５℃の噴射圧でこの容器内に噴射されたエアゾール内容液は吸液蒸散体を揺動せしめる。そして、噴射されたエアゾール内容液の２０〜７０％、好ましくは３５〜６０％がこの吸液蒸散体に吸液され、略残部が開口部から空間に噴射される設計となっている。
【００１２】
エアゾール噴射装置の仕様ならびに機構を図を用いて説明する。図１は一実施例における噴射システムの側断面図で、図２は他の実施例における噴射システムの側断面図である。ここに、１はエアゾール噴射装置、２はエアゾール噴射装置１の上部に突出するノズルステム、３はノズルステムに嵌合されたエアゾールボタン、４はエアゾール噴射装置１の上部に設けた透明樹脂容器、５はエアゾール内容液の透明樹脂容器への連通路、６はＯ−リング、７は吸液蒸散体、８は開口部を示す。
【００１３】
吸液蒸散体７は、揮散性溶剤吸液能と揺動性を有すれば種々の材質のものを使用でき、セルロース系担体、多孔質樹脂、あるいはシリカゲル、無水ケイ酸などの多孔質担体などがあげられる。なかでも、外径１〜１０ｍｍの略球形で、ビスコースや天然パルプを主原料としたセルロース系担体が好ましく、例えば、揮散性溶剤としてエタノールを使用する場合、エタノール吸液量が０．２〜２．０ｇ／ｃｍ³のものが適している。エタノール吸液量は、４０×２０×５ｍｍに裁断した吸液蒸散体を薬方紙上に載せてエタノールを滴下し、エタノールが吸液蒸散体下部の薬方紙上に溢れ出てきた時点で吸液重量を測定して求める。エタノール吸液量が０．２ｇ／ｃｍ³未満であると、当然のことながら吸液蒸散体７への揮散性薬剤吸着量が少なく持続効果を期待できず、エアゾール内容液が溢れて汚れを生じる場合があるし、一方、２．０ｇ／ｃｍ³より多いとエアゾール内容液の吸液力が強すぎて揮散性薬剤が表面から蒸散しにくいケースが起こりうる。
【００１４】
また、本発明では、吸液蒸散体７に吸液されたエアゾール原液が環境雰囲気中に揮散するにつれて色調の変化を呈する薬効表示具が提供される。薬効表示機能の方式としては適宜採用可能であるが、前述の３）の改良方式、すなわち、非揮散性の電子供与性色素及び顕色性化合物が担持され前記色素に基づく発色を呈する吸液蒸散体７に、減感性のエアゾール原液を含むエアゾール内容液を吸液させて退色せしめた後、エアゾール原液の継続的揮散が終点に近づくに伴い、吸液蒸散体７の呈色を生起せしめる薬効表示システムが本発明の目的に最も合致する。
【００１５】
本発明で使用される非揮散性の電子供与性色素としては、トリフェニルメタン−フタリド系、フルオラン系、フェノチアジン系、インドリルフタリド系、スピロピラン系、ロイコオーラミン系、ローダミンラクタム系化合物があげられ、例えば、クリスタルバイオレットラクトン、ローダミンラクトン、３−ジエチルアミノ−６，８−ジメチルフルオラン、１，３，３−トリメチルインドリノ−２，２−スピロ−６−ニトロ−８−メトキシベンゾピラン、Ｎ−アセチルオーラミン、ベンゾイルロイコメチレンブルーなどを例示できる。そして、これらの単独又は２種以上が吸液蒸散体７に担持される。
【００１６】
また、電子受容性の顕色性化合物としては、シリカ、活性アルミナ、フロリジール、クレー、タルク、珪石粉、活性白土、ベントナイト、カオリン、セライト、パーライト、珪酸アルミニウム、珪酸マグネシウム、酸化チタン、酸化亜鉛などの無機顕色性化合物や、フェノール、ビスフェノールＡ、ｏ−クレゾール、オイゲノール、４−ヒドロキシ安息香酸メチルなどの有機顕色性化合物が用いられる。なかでも、無機顕色性化合物は、有機顕色性化合物と比較して安全性が高く、また共存する各化合物との安定性や耐久性に優れており、これらの１種又は２種以上が好適に使用される。
【００１７】
非揮散性の電子供与性色素及び顕色性化合物は、適当な溶媒によって溶液とするか、又は、これらの一方もしくは双方の化合物が不溶性の場合には懸濁溶液として、前記多孔質担体に滴下、塗布、含浸等の手段により保持もしくは担持され、吸液蒸散体７を構成する。また、多孔質担体の製造段階で、電子供与性色素及び顕色性化合物の単独又は両方を添加し保持もしくは担持させて吸液蒸散体７とすることも可能である。
更に、電子供与性色素及び顕色性化合物、ならびにエアゾール原液による呈色、退色反応に影響を及ぼさない限り、必要に応じてバインダーなどの固着剤や紫外線吸収剤、抗酸化剤、揮散調整剤などを吸液蒸散体７に適宜添加することもできる。また、非揮散性薬剤を本発明に支障を来たさない範囲で添加し、揮散性薬剤の薬効に加え、非揮散性薬剤由来の薬効を空間噴射によって加味させるようにしても構わない。
【００１８】
多孔質担体に予め有色染料あるいは有色顔料を加え、吸液蒸散体７として下地が着色したものを用いることもできる。かかる構成により、色調変化のバリエーションが増え、視認性が向上すると共に視覚的に楽しむことができる。このような有色染料及び有色顔料を例示すると、ファースト・イエローＧ、ベンジジン・イエロー、インドファースト・オレンジ、イルガジン・レッド、レーキ・レッドＣ、ローダミンＦＢ、フタロシアニンブルー、ブリリアント・グリーンＢなどがあげられる。
【００１９】
上記薬効表示機能を具備する吸液蒸散体７は、透明樹脂容器４に収納されるが、この容器をとおして視認できる色調の変化は、遊び感覚やインテリア性の付与とともに、薬効の消失時期を知らせる表示システムとして有用である。そして、本発明の薬効表示具によれば、エアゾール内容液の再噴射により色調変化が可逆的に復元し、何度も繰り返し使用可能なので極めて実用的である。
【００２０】
使用にあたり、エアゾールボタン３を操作すると、エアゾール容器内の内容液がノズルステム２から連通路５を経て透明樹脂容器４に達し、噴射圧によってこの中に収納されている吸液蒸散体７（通常１０〜２００個の多数個）を揺動させる。吸液蒸散体７の材質や個数はエアゾール内容液の２０〜７０％、好ましくは３５〜６０％が吸液されるように適宜選定すればよいが、噴射圧の範囲は０．１５〜０．５ＭＰa／２５℃、好ましくは０．２５〜０．４ＭＰa／２５℃に設定する必要がある。すなわち、噴射圧が０．１５ＭＰa／２５℃より小さいと吸液蒸散体７の揺動力が劣り、一方、０．５ＭＰa／２５℃を超えると吸液蒸散体７へ分配されるエアゾール内容液の比率が極端に低くなり好ましくない。
【００２１】
本発明で用いる透明樹脂容器４は、成型上及び取扱い上の理由から上半部と下半部に分割され両部は嵌合により一体化されるのがよい。上半部の頂部には図１や図２に示す如く、任意な形状の開口部８が１個又は複数個設けられる。一方、下半部の底壁は、エアゾール噴射操作に伴い供給されるエアゾール内容液と吸液蒸散体７が十分接触するように、半球状あるいは逆円錐状を呈するように設計され、さらにエアゾール噴射装置との間にネック状の連結部を形成するのが好ましい。
通常、透明樹脂容器内で前記吸液蒸散体７に吸液されないエアゾール内容液は、透明樹脂容器４の壁に付着する一部を除き開口部８から環境雰囲気中に噴射されて空間噴射による即時効果を奏する。その後、本発明のエアゾール剤は、吸液蒸散体７からの継続的揮散による持続効果を併せもつ。なお、連通路５の途中に設けたＯ−リング６は、一部エアゾール内容液が連通路５に漏れ出るのを防止する作用を有する。
【００２３】
請求項１ないし３の発明は、揮散性薬剤含有エアゾール剤に適用される薬効表示具であって、非揮散性の電子供与性色素及び顕色性化合物が担持され前記色素に基づく発色を呈している吸液蒸散体に、減感性のエアゾール原液を含むエアゾール内容液を吸液させて退色せしめた後、エアゾール原液の継続的揮散が終点に近づくに伴い、吸液蒸散体の呈色を生起せしめる色調変化を利用した薬効表示具に関するものである。
【００２４】
請求項４の発明は、前述の薬効表示具を用いた揮散性薬剤の環境雰囲気中の薬効表示方法に関するものである。
【００２５】
こうして得られた本発明の揮散性薬剤含有エアゾール剤は、噴射による即時効果とともに、吸液蒸散体からの継続的揮散により３０分以上にわたってゆっくりとした持続効果も奏し、しかも吸液蒸散体の揺動作用や色調の変化がもたらす遊び感覚を楽しむことができるので、室内、リビング、台所、トイレ、下駄箱などでの使用に好適である。また、その薬効表示具、及び環境雰囲気中の薬効表示方法によれば、揮散性薬剤（エアゾール原液）の揮散経過及び環境雰囲気中の揮散性薬剤の消失を明瞭に認知でき、しかも繰り返し使用可能で、エアゾール内容液の再噴射を促す時期を知らせえるので極めて実用的である。
【００２６】
【実施例】
つぎに具体的実施例ならびに試験例に基づいて、本発明を更に詳細に説明する。
【００２７】
実施例１
揮散性薬剤としての緑茶抽出液３．０ｇ（エアゾール内容液全体量に対して、１．５Ｗ／Ｖ％）、リラックスグリーン系香料（青葉アルコール、青葉アルデヒド配合）２．０ｇ（エアゾール内容液全体量に対して、１．０Ｗ／Ｖ％）を、揮散性溶剤としてのエタノール６０ｍＬに溶解したエアゾール原液を２００ｍＬのエアゾール噴射装置１に入れ、該噴射装置にバルブ部分を取り付け、該バルブ部分を通じてジメチルエーテルと液化石油ガス混合噴射剤１４０ｍＬを加圧充填した。あらかじめ、外径約３ｍｍの球形のセルロース系多孔質担体［製品名：ビスコパール（レンゴー株式会社製）］の表面及び内部に、電子供与性色素のクリスタルバイオレットラクトンと顕色性化合物のシリカを少量担持させ、この青色を呈する吸液蒸散体（７）２００個を透明樹脂容器４に収納した。これをエアゾール噴射装置１の上部に装填し、本発明の薬効表示具を備えた消臭、除菌、芳香用のエアゾール剤を得た。なお、本エアゾール剤の２５℃における噴射圧は０．３８ＭＰａであった。
かかる消臭、除菌、芳香用エアゾール剤のエアゾールボタン３を押してリビングで使用したところ、エアゾール内容液が透明樹脂容器４に噴射され、吸液蒸散体７が噴射圧で揺動するとともに、これにエアゾール内容液の約５０％が供給された。それと同時に青色を呈していた吸液蒸散体７が退色した。また、エアゾール内容液の略残部は開口部８から環境雰囲気中に噴射され、即時的な消臭効果が得られた。その後、吸液蒸散体７に吸液されたエアゾール原液が開口部８から徐々に揮散し、２〜３時間にわたり緑の香りによるリラックス効果が持続した。エアゾール原液の揮散が終点に近づくに伴い、吸液蒸散体７の色調が青色に呈色し、環境雰囲気中における香りの消失を認知できるとともに、エアゾール内容液を吸液蒸散体７に再補給する時期の目安となった。エアゾール内容液を再噴射すると吸液蒸散体７は退色し、再び香りを楽しめた。
【００２８】
実施例２
揮散性薬剤としての４−メチル−２,３,５,６−テトラフルオロベンジル−２，２−ジメチル−３−（１−プロペニル）シクロプロパンカルボキシラート［化合物Ｅ］３．０ｇ（エアゾール内容液全体量に対して、３．０Ｗ／Ｖ％）、シラフルオフェン１．０ｇ（エアゾール内容液全体量に対して、１．０Ｗ／Ｖ％）、テトラヒドロリナロール１．０ｇ（エアゾール内容液全体量に対して、１．０Ｗ／Ｖ％）を、揮散性溶剤としてのエタノール３０ｍＬに溶解したエアゾール原液を１００ｍＬのエアゾール噴射装置１に入れ、該噴射装置にバルブ部分を取り付け、該バルブ部分を通じてジメチルエーテルと液化石油ガス混合噴射剤７０ｍＬを加圧充填した。あらかじめ、外径約２ｍｍの球形のセルロース系多孔質担体［製品名：ビスコパール（レンゴー株式会社製）］の表面及び内部に、電子供与性色素のクリスタルバイオレットラクトンと顕色性化合物のシリカを少量担持させ、この青色を呈する吸液蒸散体（７）１００個を透明樹脂容器４に収納した。これをエアゾール噴射装置１の上部に装填し、本発明の薬効表示具を備えた殺虫、防虫、抗菌用のエアゾール剤を得た。なお、本エアゾール剤の２５℃における噴射圧は０．３５ＭＰａであった。
かかる殺虫、防虫、抗菌用エアゾール剤を容積８００Ｌのタンス内で使用した。エアゾールボタン３を押して約５秒間噴射したところ、エアゾール内容液が透明樹脂容器４に噴射され、吸液蒸散体７が噴射圧で揺動するとともに、これにエアゾール内容液の約４０％が供給された。それと同時に青色を呈していた吸液蒸散体７が退色した。また、エアゾール内容液の略残部は開口部８からタンス内の衣類に噴射され、即時的な殺虫・防虫、ならびに抗菌効果が得られた。その後、このエアゾール剤をタンス床面に置き、吸液蒸散体７に吸液されたエアゾール原液を開口部８から徐々に揮散させたところ、４〜６ケ月間にわたり殺虫・防虫、ならびに抗菌効果が持続した。エアゾール原液の揮散が終点に近づくに伴い、吸液蒸散体７の色調が青色に呈色し、環境雰囲気中における薬効の消失を認知できるとともに、エアゾール内容液を吸液蒸散体７に再補給する時期の目安となった。エアゾール内容液を再噴射すると吸液蒸散体７は退色し、繰り返し使用が可能であった。
【００２９】
試験例１
実施例１に準じて、表１に示す各種消臭、除菌、芳香用エアゾール剤を調製した。これを、面積１０ｍ²、高さ２．５ｍの部屋の中央に置き、３秒間噴霧処理を行って、吸液蒸散体７の揺動性、ならびに即時の消臭効果と芳香の持続性を調べた。なお、持続性の評価は、３０分未満を×、３０分〜２時間を△、２時間以上を○で示した。
【００３０】
【表１】

【００３１】
試験の結果、本発明の消臭、除菌、芳香用エアゾール剤は、即時の消臭効果ならびに芳香の持続性がともにすぐれ、また吸液蒸散体７が揺動するので見た目にも楽しく実用的であった。
これに対し、比較例１で示すように、揮散性溶剤としてエタノールの替わりにプロピレングリコールメチルエーテルを用いると消臭、除菌、芳香用エアゾール剤としての性能が劣った。また、噴射剤の比率や噴射圧を過大に高めた場合（比較例２）、放香の持続性が得られず、一方、比較例３のように噴射剤の比率や噴射圧が低すぎると、吸液蒸散体７の揺動力や即時の消臭効果が劣り、いずれも従来製品と比べてメリットはなかった。
【００３２】
試験例２
実施例１に準じ、薬効表示具用の顕色性化合物としてシリカ（無機顕色性化合物）またはビスフェノールＡ（有機顕色性化合物）を用いて、表２に示す消臭、除菌、芳香用エアゾール剤を調製した。これを、面積１０ｍ²、高さ２．５ｍの部屋の中央に置き、エアゾール内容液を５秒間噴射した。噴射直後から薬効表示具の呈色時（香りの消失時）までを１回とし、これを５回繰り返した。
また、電子供与性色素、顕色性化合物、及び減感性薬液（揮散性薬剤、揮散性溶剤）の３〜４成分を担持させたマットタイプの消臭、除菌、芳香剤を対照例として調製し、同様に薬効成分の揮散を行った。それぞれの薬効表示具の色調変化を、使用前、使用中の薬効持続時、薬効終了時の各時点で確認し表２に示した。
【００３３】
【表２】

【００３４】
試験の結果、本発明の薬効表示具は、エアゾール原液（減感性薬液）の揮散に伴い吸液蒸散体７の呈色を生起せしめ、薬効の終点を明示するとともにエアゾール内容液を吸液蒸散体７に再補給する目安となった。また、薬効表示具の表示に従い、エアゾール内容液を再び吸液蒸散体７に補給したところ吸液蒸散体７は再度退色するとともに香気が周囲に漂いはじめた。また、顕色性化合物として無機のシリカを用いた場合、有機のビスフェノールＡを用いたものに比べ、長期にわたり何度も繰り返し利用することができ好ましかった。このように、本発明の薬効表示具は、色調変化によりエアゾール原液（揮散性薬剤）の揮散経過及びその終点を明瞭に認知でき、かつ繰り返し使用可能な薬効表示具であり、実用的な環境雰囲気中の薬効表示方法を提供するものである。
これに対し、電子供与性色素、顕色性化合物、及び減感性薬液（揮散性薬剤、揮散性溶剤）の３〜４成分を担持させたマットタイプの消臭、除菌、芳香剤は、使用前、使用中の吸液蒸散体に色調の変化なく視覚判断するのが難しかった。更に、減感性薬液を補給する手段を有さないため、繰り返し使用することができず不便であった。
【００３５】
【発明の効果】
本発明は、噴射による即時効果とともに吸液蒸散体からの継続的揮散による持続効果を併せ持ち、しかも遊び感覚も楽しめる揮散性薬剤含有エアゾール剤を提供する。また、本発明の薬効表示具、及び環境雰囲気中の薬効表示方法によれば、揮散性薬剤（エアゾール原液）の揮散経過及び環境雰囲気中の揮散性薬剤の消失を明瞭に認知でき、しかも繰り返し使用可能で、エアゾール内容液の再噴射を促す時期を知らせえるので極めて実用的である。
【図面の簡単な説明】
【図１】本発明の一実施例における噴射システムの側断面図である。
【図２】他の実施例における噴射システムの側断面図である。
【符号の説明】
１．エアゾール噴射装置
２．ノズルステム
３．エアゾールボタン
４．透明樹脂容器
５．透明樹脂容器への連通路
６．Ｏ−リング
７．吸液蒸散体
８．開口部[0001]
[Industrial application fields]
The present invention relates to improvement of a volatile drug-containing aerosol, and further relates to a drug efficacy indicator and a drug efficacy display method in an environmental atmosphere.
[0002]
[Prior art]
Conventionally, various volatile chemicals such as deodorizing, disinfecting, fragrance, insecticide, and insect repellent are used indoors. For example, aerosols containing deodorant components and / or sanitizing components and fragrance components are sprayed directly on objects, mainly in kitchens, toilets, shoe boxes, etc. Solid, gel, or liquid fragrances that are designed to be gradually dissipated using electrical heat or a fan if necessary are in widespread use. And in the former, it aims at an immediate effect, while in the latter case, it aims at a long-lasting effect, and both take separate product forms.
By the way, after this immediate deodorization and / or sterilization treatment, there is also a great demand for continuing to dissipate the fragrance component over a long period of time. The product has not been developed yet. For example, Japanese Patent Application Laid-Open No. 11-321951 discloses an aerosol injection in which a communication path to an injection nozzle that injects into a space and a communication path to a liquid absorber are branched in an aerosol button or a cap connected to the aerosol button. Although the device is described, no mention is made of the relationship with the aerosol content liquid formulation, and it is difficult to say that the device is disclosed to the extent that it can provide useful deodorizing, sanitizing, and aroma aerosols. The same applies to insecticides and insect repellents.
[0003]
Various methods for indicating the efficacy of a volatile drug contained in a chemical carrier have been proposed, and examples thereof include the following methods.
1) Using decolorization by volatilization using a vaporizable (sublimation) dye.
2) CO in the atmosphere₂And H₂Uses an indicator that changes color tone upon contact with O.
3) Using an electron-donating dye and an electron-accepting color-developing compound and utilizing the color developed by volatilization of the desensitizing component.
Among these, 3) is a method typified by the technology described in Japanese Patent No. 2640717, and an organic color developing compound such as phenol is usually used as the electron accepting color developing compound. Japanese Patent Application Laid-Open No. 63-212364 and Japanese Patent Application Laid-Open No. 7-32003 also show a method of using an inorganic color developing compound such as silica as the color developing compound.
[0004]
However, in any case, 3 to 4 components of an electron-donating dye, an electron-accepting color developing compound, a volatile agent, and a volatile solvent that may be added if necessary (volatile agent and volatile solvent) A composition having an essential component of at least one of them having a desensitization property, and a drug holder holding the same on a carrier. That is, these conventional techniques disclose a medicinal effect indicator that causes coloration along with the volatilization of the volatilization component, but is intended to be used substantially once, and after coloration, means for supplying desensitization components and There is no mention of repeated use. In addition, most of the medicinal effect indicators that have been developed so far are indication devices that prompt the user to replace the volatile agent by visually informing the decrease in the remaining amount of the volatile agent contained in the chemical liquid carrier. There has not yet been a medicinal effect indicator developed for the purpose of displaying the medicinal effect of the drug in the environmental atmosphere.
[0005]
[Problems to be solved by the invention]
The present invention is a volatile drug-containing aerosol that can be volatilized by a volatile drug for a long time after giving immediate medicinal effects, and that can also enjoy a sense of play, and a medicinal effect display device applied thereto. It is intended to provide a medicinal effect indicator that can clearly recognize the volatilization process and end point of a volatile chemical (aerosol stock solution) and its end point by color change and that can be used repeatedly, and a medicinal effect indication method in an environmental atmosphere using the same. It is.
[0006]
Means for Solving the Problem and Embodiment of the Invention
In order to solve the above-mentioned problems, the present inventors refer to the technical content of JP-A-11-321951, attach a transparent resin container containing a liquid vaporizer to an aerosol injection device, and It was found that the desired volatilizing agent-containing aerosol agent can be obtained by combining a configuration in which the liquid vaporizer is swung by pressure. Further, after the non-volatile electron-donating dye and the color developing compound are carried and the liquid absorption vaporizer exhibiting color development based on the dye absorbs the aerosol content liquid containing the desensitizing aerosol stock solution to cause the color to fade. As the continuous volatilization of the aerosol solution approaches the end point, the present inventors have found that the color change that causes coloration of the liquid absorption vaporized body matches the intended medicinal effect display system.
[0007]
That is, the invention of claim 1Oyster, hydrangea and green tea extracts as deodorant ingredients, tetrahydrolinalol and hinokitiol as sanitizing ingredients, natural and synthetic fragrance ingredients and relaxing green fragrance ingredients as aromatic ingredients, vapor pressure at 20 ° C. of 1 × 10 ^-1 mPa ~ 1 × 10 ² Selected from mPa pyrethroid insecticides and insect repellentsThe aerosol injection device is filled with an aerosol content liquid having a ratio of 50/50 to 15/85 (volume ratio) of aerosol stock solution / propellant made of ethanol as a volatile chemical and a volatile desensitizing solvent. Is attached with a transparent resin container with an opening in which a liquid-absorbing transpiration body, which is a substantially spherical cellulose-based carrier having an outer diameter of 1 to 10 mm, is accommodated. The aerosol content liquid is sprayed into the transparent resin container at an injection pressure of 25 ° C. to swing the liquid absorption vaporizing body, and 20 to 70% of the sprayed aerosol content liquid is absorbed into the liquid absorption vaporizing body. The remaining liquid was injected into the environmental atmosphere from the opening, and the immediate effect of the aerosol content liquid injection was absorbed into the liquid absorption transpiration body for 30 minutes or more after the injection operation. The serial aerosol stock solution volatile drug-containing aerosols that no such both sustained effect be continuous volatilization into the environment atmosphereApplicable medicinal effect indicator,
Of triphenylmethane-phthalide systemThe aerosol content liquid containing the aerosol stock solution having desensitization is absorbed into the liquid absorbing vaporized body that is loaded with a non-volatile electron donating dye and a color developing compound and exhibits color development based on the dye. After fading, as the continuous volatilization of the aerosol stock solution absorbed by the liquid absorbing vapor nears the end point, the color of the liquid absorbing vapor is caused.This indicates the disappearance of the volatile drug in the environmental atmosphere.The present invention relates to a medicinal effect indicator of a volatile drug-containing aerosol agent characterized by the above.
[0008]
The volatile chemicals used in the present invention have a medicinal effect by volatilizing at room temperature, and examples include deodorant components, disinfecting components, aromatic components, insecticide / insecticide components, antifungal components, and repellent components. Examples of volatile chemicals in each field are as follows, but are not limited thereto.
(1) Deodorant ingredients: plant extracts such as oyster, hydrangea, green tea.
(2) Bactericidal components: tetrahydrolinalol, hinokitiol.
(3) Fragrance ingredient: Natural and synthetic fragrance ingredients such as lavender, jasmine, citral, citronellal, herbs, lime oil, orange oil, and fragrance ingredients containing green leaf alcohol and green leaf aldehyde called “green fragrance”.
(4) Insecticide and insect repellent component: vapor pressure at 20 ° C. is 1 × 10^-1mPa ~ 1 × 10²An mPa pyrethroid insecticide and insect repellent. For example, empentrin and general formula (I)
[Chemical 1]

(Wherein X and Y are the same or different and each represents a hydrogen atom, a methyl group, a halogen atom or a trifluoromethyl group, and Z represents a hydrogen atom, a fluorine atom, a methyl group, a methoxymethyl group or a propargyl group). And fluorine-substituted benzyl alcohol ester compounds represented. Specific examples of the compound of the general formula (I) include 2,3,5,6-tetrafluorobenzyl-chrysanthemate (hereinafter referred to as Compound A), 2,3,5,6-tetrafluorobenzyl-2. , 2-Dimethyl-3- (1-propenyl) cyclopropanecarboxylate (hereinafter referred to as Compound B), 2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (2,2- Dichlorovinyl) cyclopropanecarboxylate (hereinafter referred to as Compound C), 4-methyl-2,3,5,6-tetrafluorobenzyl-chrysantemate (hereinafter referred to as Compound D), 4-methyl-2, 3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxylate (hereinafter referred to as Compound E), 4-methyl-2,3,5,6-tetrafluoro Benji -2,2-dimethyl-3- (2-fluoro-2-chlorovinyl) cyclopropanecarboxylate (hereinafter referred to as Compound F), 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl-clear Santemate (hereinafter referred to as Compound G), 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxylate (hereinafter referred to as Compound H) 2,3,4,5,6-pentafluorobenzyl-2,2-dimethyl-3- (2-chloro-2-trifluoromethylvinyl) cyclopropanecarboxylate (hereinafter referred to as Compound I) 4-propargyl-2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxylate (hereinafter referred to as compound) It can be exemplified as referred). One kind of these compounds may be used, or two or more kinds of compounds may be used in combination. In addition, the compound represented by empentrin and general formula (I) has optical isomers and geometric isomers based on the asymmetric carbon or double bond, and the use of each of these or any mixture thereof. Of course, the present invention is also included in the present invention.
(5) Antifungal component: o-phenylphenol, 3-methyl-4-isopropylphenol.
These components are appropriately selected according to the use and purpose of use, and are usually blended in the range of 0.1 to 10% by volume with respect to the total amount of aerosol.
[0009]
The volatile solvent constituting the aerosol stock solution in the present invention may be any one that dissolves the volatile drug uniformly and further keeps the chemical solution stable over time. Conventionally known alcohols such as methanol and ethanol, myristin Examples thereof include esters such as isopropyl acid and dimethyl phthalate, glycol ethers such as diethylene glycol dimethyl ether and ethylene glycol-n-butyl ether, and ketones such as acetone and methyl ethyl ketone. Since these volatile solvents have desensitization, the volatile chemicals used in combination may not have desensitization.
In addition, when a volatile chemical | medical agent concerns on the said deodorizing component and / or disinfection component, and an aromatic component, ethanol is suitable as a volatile solvent pharmacologically, and this combination is employ | adopted suitably also in this invention.
[0010]
As the propellant in the aerosol content liquid, liquefied petroleum gas, DME, compressed gas and the like are used. And the ratio of the said aerosol stock solution in an aerosol content liquid and a propellant is specified to 50 / 50-15 / 85 (capacity ratio) in consideration of the combination with the specification of the aerosol injection apparatus mentioned later. That is, the present invention is characterized in that the aerosol content liquid is distributed in a balanced manner between the liquid absorption to the liquid absorption vaporizer and the space injection. For example, if the ratio of the propellant is less than 50% by volume, the liquid absorption transpiration is achieved. Not only is the body's rocking force inferior, but the diffusion effect of the space spray particles is weakened. On the other hand, if the proportion of the propellant is more than 85% by volume as in the case of the conventional deodorizing aerosol, it is distributed to the liquid absorbing vapor. The aerosol content is reduced and the desired sustained effect cannot be obtained.
[0011]
In the aerosol injection device used in the present invention, a transparent resin container (preferably spherical) is attached to an upper part of an aerosol button or a cap connected to the aerosol button. This transparent resin container is provided with an opening, and preferably contains a large number of generally spherical liquid-absorbing vaporizers. The transparent resin container has an injection pressure of 0.15 to 0.5 MPa / 25 ° C. in accordance with the injection operation. The aerosol content liquid sprayed on the oscillates the liquid absorption evaporation body. And it is designed that 20 to 70%, preferably 35 to 60% of the sprayed aerosol content liquid is sucked into this liquid absorption vaporizer, and the remaining part is jetted into the space from the opening.
[0012]
The specifications and mechanism of the aerosol spray device will be described with reference to the drawings. FIG. 1 is a side sectional view of an injection system in one embodiment, and FIG. 2 is a side sectional view of an injection system in another embodiment. Here, 1 is an aerosol injection device, 2 is a nozzle stem protruding above the

aerosol injection device

1, 3 is an aerosol button fitted to the nozzle stem, 4 is a transparent resin container provided at the top of the

aerosol injection device

1, 5 is a communication path of the aerosol content liquid to the transparent resin container, 6 is an O-ring, 7 is a liquid absorption vaporizer, and 8 is an opening.
[0013]
The liquid-absorbing vaporizer 7 can be made of various materials as long as it has a volatile solvent absorbing ability and a rocking property, such as a cellulose-based carrier, a porous resin, or a porous carrier such as silica gel or silicic anhydride. Is given. Among them, a cellulose carrier having a substantially spherical shape with an outer diameter of 1 to 10 mm and mainly made of viscose or natural pulp is preferable. For example, when ethanol is used as a volatile solvent, the ethanol absorption amount is 0.2 to 2.0 g / cm^ThreeIs suitable. The amount of ethanol absorbed is a liquid absorption vaporized body cut to 40 x 20 x 5 mm, placed on the medicinal paper, and ethanol is dropped, and when the ethanol overflows onto the medicinal paper at the bottom of the liquid absorption vaporized body, the liquid is absorbed. Determine by measuring the weight. Ethanol absorption is 0.2 g / cm^ThreeIf it is less than that, it is natural that the adsorbed amount of the volatile drug to the liquid absorption vaporizer 7 is small and a sustained effect cannot be expected, and the aerosol content liquid may overflow and cause contamination, while 2.0 g / cm^ThreeIf the amount is larger, there may be a case where the absorption capacity of the aerosol content liquid is too strong and the volatile drug is difficult to evaporate from the surface.
[0014]
Moreover, in this invention, the medicinal effect display tool which exhibits a change of color tone as the aerosol stock solution absorbed by the liquid absorption vaporizer 7 volatilizes in environmental atmosphere is provided. As a method for displaying the efficacy, it can be used as appropriate. However, the improved method 3) described above, that is, liquid absorption transpiration that carries a non-volatile electron-donating dye and a color developing compound and develops a color based on the dye. After the body 7 has absorbed the aerosol content liquid containing the desensitizing aerosol stock solution and faded, the medicinal effect indication that causes the color of the liquid absorption vaporized body 7 to develop as the continuous volatilization of the aerosol stock solution approaches the end point The system best meets the purpose of the present invention.
[0015]
Non-volatile electron donating dyes used in the present invention include triphenylmethane-phthalide, fluorane, phenothiazine, indolylphthalide, spiropyran, leucooramine, and rhodamine lactam compounds. For example, crystal violet lactone, rhodamine lactone, 3-diethylamino-6,8-dimethylfluorane, 1,3,3-trimethylindolino-2,2-spiro-6-nitro-8-methoxybenzopyran, N -Acetyl auramine, benzoyl leucomethylene blue, etc. can be illustrated. And these single or 2 types or more are carry | supported by the liquid absorption vaporizer 7. FIG.
[0016]
Examples of electron-accepting color developing compounds include silica, activated alumina, Florisil, clay, talc, silica powder, activated clay, bentonite, kaolin, celite, perlite, aluminum silicate, magnesium silicate, titanium oxide, zinc oxide, etc. And organic color developing compounds such as phenol, bisphenol A, o-cresol, eugenol, methyl 4-hydroxybenzoate, and the like. Among these, the inorganic color developing compound is higher in safety than the organic color developing compound, and is excellent in stability and durability with each coexisting compound. Preferably used.
[0017]
The non-volatile electron donating dye and the color developing compound are dropped into the porous carrier as a solution with an appropriate solvent, or as a suspension when one or both of these compounds are insoluble. The liquid-absorbing vaporizer 7 is constituted by being held or supported by means such as coating and impregnation. It is also possible to make the liquid absorbing vaporized body 7 by adding and holding or supporting the electron donating dye and the color developing compound alone or both at the production stage of the porous carrier.
Furthermore, as long as it does not affect the coloration and fading reaction of the electron-donating dye and the color developing compound, and the aerosol stock solution, a fixing agent such as a binder, an ultraviolet absorber, an antioxidant, a volatilization adjusting agent, etc. Can also be appropriately added to the liquid-absorbing vaporizer 7. Moreover, a non-volatile chemical | medical agent may be added in the range which does not interfere with this invention, and in addition to the medicinal effect of a volatile chemical | medical agent, you may make it consider the medicinal effect derived from a non-volatile chemical | medical agent by space injection.
[0018]
Colored dyes or colored pigments are added to the porous carrier in advance, and the liquid-absorbing vaporized body 7 having a colored base can also be used. With such a configuration, variations in color tone increase, visibility is improved, and visual enjoyment is possible. Examples of such colored dyes and pigments include First Yellow G, Benzidine Yellow, India First Orange, Irgadine Red, Lake Red C, Rhodamine FB, Phthalocyanine Blue, Brilliant Green B and the like.
[0019]
The liquid vaporizer 7 having the above-mentioned medicinal effect display function is housed in a transparent resin container 4. The change in the color tone that can be visually recognized through this container is accompanied by a sense of play and interior properties, and the disappearance of medicinal effects. It is useful as a display system to inform. The medicinal effect display device of the present invention is extremely practical because the change in color tone is reversibly restored by re-injection of the aerosol content liquid and can be used over and over again.
[0020]
In use, when the aerosol button 3 is operated, the liquid content in the aerosol container reaches the transparent resin container 4 from the nozzle stem 2 through the communication path 5 and is stored in the liquid absorption vaporizer 7 (usually by injection pressure) (normally 10 to 200) are swung. The material and the number of the liquid-absorbing vaporizer 7 may be appropriately selected so that 20 to 70%, preferably 35 to 60%, of the aerosol content liquid is absorbed, but the range of the injection pressure is 0.15 to 0. It is necessary to set to 5 MPa / 25 ° C., preferably 0.25 to 0.4 MPa / 25 ° C. That is, when the injection pressure is less than 0.15 MPa / 25 ° C., the swinging force of the liquid absorbent transpiration body 7 is inferior, while when it exceeds 0.5 MPa / 25 ° C., the ratio of the aerosol content liquid distributed to the liquid absorption transpiration body 7 Is undesirably low.
[0021]
The transparent resin container 4 used in the present invention is preferably divided into an upper half part and a lower half part for molding and handling reasons, and both parts are preferably integrated by fitting. As shown in FIGS. 1 and 2, one or a plurality of openings 8 having an arbitrary shape are provided at the top of the upper half. On the other hand, the bottom wall of the lower half is designed to have a hemispherical shape or an inverted conical shape so that the aerosol content liquid supplied in accordance with the aerosol injection operation and the absorbent vaporizer 7 are in sufficient contact with each other. It is preferable to form a neck-like connecting portion between the device.
Normally, the aerosol content liquid that is not absorbed by the liquid absorbent vaporizer 7 in the transparent resin container is injected into the environmental atmosphere from the opening 8 except for a part adhering to the wall of the transparent resin container 4, and immediately by space injection. There is an effect. Thereafter, the aerosol agent of the present invention also has a sustaining effect due to continuous volatilization from the liquid absorbent vaporizer 7. The O-ring 6 provided in the middle of the communication path 5 has a function of preventing part of the aerosol content liquid from leaking into the communication path 5.
[0023]
Claim1Or3The invention of, VolatileIt is a medicinal effect indicator applied to aerosols containing dispersible drugs, and it displays non-volatile electron-donating dyes and color developing compounds and develops colors based on the dyes.is doingAfter the aerosol content liquid containing the desensitizing aerosol stock solution is absorbed into the liquid vaporizer and faded, the color that causes the liquid color of the liquid vaporizer to discolor as the continuous volatilization of the aerosol liquid nears the end point The present invention relates to a medicinal effect indicator using change.
[0024]
Claim4The present invention relates to a method for indicating the efficacy of a volatile drug in the ambient atmosphere using the above-described efficacy indication device.
[0025]
The volatile drug-containing aerosol agent of the present invention thus obtained has an immediate effect by jetting, and also has a slow and sustained effect over 30 minutes due to continuous volatilization from the liquid absorber, and the liquid absorber has a rocking effect. It can be used for indoor use, living room, kitchen, toilet, clog box, etc., because it can enjoy the sense of play brought about by movement and color change. Moreover, according to the efficacy indication device and the efficacy indication method in the environmental atmosphere, it is possible to clearly recognize the volatilization process of the volatile chemical (aerosol stock solution) and the disappearance of the volatile chemical in the environmental atmosphere, and it can be used repeatedly. It is extremely practical because it can inform the time of re-injection of aerosol content liquid.
[0026]
【Example】
Next, the present invention will be described in more detail based on specific examples and test examples.
[0027]
Example 1
3.0 g of green tea extract as a volatile agent (1.5 W / V% with respect to the total amount of aerosol content), 2.0 g of relaxed green flavor (containing green leaf alcohol and green leaf aldehyde) (total amount of aerosol content) , 1.0 W / V%) is dissolved in 60 mL of ethanol as a volatile solvent, and 200 mL of the aerosol injection device 1 is put in, and a valve portion is attached to the injection device. Through the valve portion, dimethyl ether and 140 mL of liquefied petroleum gas mixed propellant was pressurized and filled. A small amount of an electron-donating dye crystal violet lactone and a developing compound silica are previously formed on the surface and inside of a spherical cellulose-based porous carrier [product name: Viscopar (manufactured by Rengo Co., Ltd.)] having an outer diameter of about 3 mm. 200 pieces of the liquid-absorbing vaporizer (7) exhibiting blue color were stored in the transparent resin container 4. This was loaded in the upper part of the aerosol injection apparatus 1, and the aerosol agent for deodorizing, disinfecting, and aroma provided with the medicinal effect indicator of this invention was obtained. In addition, the injection pressure in 25 degreeC of this aerosol agent was 0.38 MPa.
When the aerosol button 3 of the deodorizing, sterilizing, and fragrance aerosol agent is pressed and used in the living room, the aerosol content liquid is sprayed onto the transparent resin container 4, and the liquid absorption vaporizer 7 is swung by the spraying pressure. About 50% of the aerosol content was supplied to At the same time, the liquid absorbing transpiration body 7 which was blue was faded. In addition, substantially the remainder of the aerosol content liquid was jetted from the opening 8 into the environmental atmosphere, and an immediate deodorizing effect was obtained. Thereafter, the aerosol stock solution absorbed in the liquid absorption vaporized body 7 gradually volatilized from the opening 8, and the relaxation effect by the green scent lasted for 2-3 hours. As the volatilization of the aerosol stock solution approaches the end point, the color of the liquid absorption vaporizer 7 becomes blue, the disappearance of the scent in the environmental atmosphere can be recognized, and the liquid aerosol content is replenished to the liquid absorption vaporizer 7. It became an indication of the time. When the aerosol content liquid was re-injected, the liquid-absorbing vaporizer 7 faded and enjoyed the scent again.
[0028]
Example 2
3.0 g of 4-methyl-2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxylate [Compound E] as a volatile agent (the entire aerosol content liquid) 3.0 W / V%), 1.0 g of silafluophene (1.0 W / V% with respect to the total amount of aerosol content), 1.0 g of tetrahydrolinalol (with respect to the total amount of aerosol content, 1.0 W / V%) is dissolved in 30 mL of ethanol as a volatile solvent, put into a 100 mL aerosol injection device 1, a valve portion is attached to the injection device, and dimethyl ether and liquefied petroleum gas are mixed through the valve portion. 70 mL of propellant was pressurized and filled. A small amount of an electron-donating dye crystal violet lactone and a developing compound silica are previously formed on the surface and inside of a spherical cellulose-based porous carrier [product name: Viscopar (manufactured by Rengo Co., Ltd.)] having an outer diameter of about 2 mm. 100 transparent absorbent bodies (7) exhibiting blue color were stored in the transparent resin container 4. This was loaded in the upper part of the aerosol injection apparatus 1, and the aerosol agent for insecticide, insecticide, and antibacterial provided with the medicinal effect display tool of this invention was obtained. In addition, the injection pressure in 25 degreeC of this aerosol agent was 0.35 Mpa.
Such insecticide, insect repellent, and antibacterial aerosol agents were used in a 800-liter volume chiffon. When the aerosol button 3 is pressed and sprayed for about 5 seconds, the aerosol content liquid is sprayed onto the transparent resin container 4 and the liquid absorption vaporizer 7 is swung by the spraying pressure, and about 40% of the aerosol content liquid is supplied thereto. It was. At the same time, the liquid absorbing transpiration body 7 which was blue was faded. In addition, almost the remainder of the aerosol content liquid was sprayed from the opening 8 onto the clothes in the chiffon, and an instant insecticidal / insecticidal and antibacterial effect was obtained. Thereafter, this aerosol agent was placed on the floor surface of the chest and the aerosol stock solution absorbed in the liquid absorbing vaporized body 7 was gradually volatilized from the opening 8 to provide insecticidal / insecticidal and antibacterial effects for 4 to 6 months. Lasted. As the volatilization of the aerosol solution approaches the end point, the color of the liquid absorber 7 becomes blue, and the disappearance of the medicinal effect in the environmental atmosphere can be recognized, and the aerosol content liquid is replenished to the liquid absorber 7. It became an indication of the time. When the aerosol content liquid was re-injected, the liquid-absorbing vaporizer 7 faded and could be used repeatedly.
[0029]
Test example 1
In accordance with Example 1, various deodorizing, sterilizing and aroma aerosol agents shown in Table 1 were prepared. This is an area of 10m²Then, it was placed in the center of a room with a height of 2.5 m and sprayed for 3 seconds to examine the oscillating property of the liquid-absorbing transpiration body 7 as well as the immediate deodorizing effect and fragrance persistence. The evaluation of sustainability was indicated by x for less than 30 minutes, Δ for 30 minutes to 2 hours, and ◯ for 2 hours or more.
[0030]
[Table 1]

[0031]
As a result of the test, the aerosol agent for deodorizing, sterilizing, and aroma of the present invention has both an immediate deodorizing effect and a long-lasting aroma, and the liquid-absorbing vaporizer 7 oscillates and is fun and practical. Met.
On the other hand, as shown in Comparative Example 1, when propylene glycol methyl ether was used instead of ethanol as the volatile solvent, the performance as a deodorizing, sterilizing, and aroma aerosol agent was inferior. Moreover, when the ratio and the injection pressure of the propellant are excessively increased (Comparative Example 2), the sustainability of the fragrance cannot be obtained. On the other hand, when the ratio and the injection pressure of the propellant are too low as in Comparative Example 3. In addition, the swinging force and the immediate deodorizing effect of the liquid-absorbing vaporizer 7 were inferior, and none of them had any merit compared to the conventional products.
[0032]
Test example 2
In accordance with Example 1, using silica (inorganic color developing compound) or bisphenol A (organic color developing compound) as a color developing compound for medicinal effect indicator, deodorizing, disinfecting and aroma shown in Table 2 An aerosol was prepared. This is an area of 10m²The aerosol content liquid was sprayed for 5 seconds in the center of a room with a height of 2.5 m. Immediately after the injection, the time from the time when the medicinal effect indicator was colored (when the fragrance disappeared) was defined as one time, and this was repeated five times.
In addition, mat type deodorant, disinfectant, and fragrance prepared by supporting 3 to 4 components of electron donating dye, color developing compound, and desensitizing chemical solution (volatile chemical, volatile solvent) were prepared as control examples. In the same manner, the medicinal components were volatilized. Table 2 shows the changes in color tone of each drug efficacy indicator, which were confirmed before use, at the time of sustained drug efficacy during use, and at the end of drug efficacy.
[0033]
[Table 2]

[0034]
As a result of the test, the medicinal efficacy display device of the present invention caused the color of the liquid absorbent vaporized body 7 to evaporate with the volatilization of the aerosol stock solution (desensitizing chemical liquid), clearly indicates the end point of the medicinal effect and the liquid aerosol content of the aerosol content liquid. It became a standard to re-supply to 7. In addition, when the aerosol content liquid was replenished to the liquid absorption evaporation body 7 in accordance with the indication on the medicinal effect indicator, the liquid absorption evaporation body 7 faded again and the aroma began to drift around. Further, when inorganic silica was used as the color developing compound, it was preferable because it could be used repeatedly over a long period of time, compared to the case using organic bisphenol A. As described above, the medicinal effect indicator of the present invention is a medicinal effect indicator that can clearly recognize the volatilization process and the end point of the aerosol stock solution (volatile agent) by color change and can be used repeatedly, and has a practical environmental atmosphere. It provides a medicinal effect indication method.
On the other hand, mat-type deodorizing, disinfecting, and aromatic agents carrying 3 to 4 components of electron donating dyes, color developing compounds, and desensitizing chemicals (volatile chemicals, volatile solvents) are used. Previously, it was difficult to visually judge the liquid absorption vaporizer in use without any change in color. Furthermore, since there is no means for replenishing the desensitizing chemical solution, it cannot be used repeatedly, which is inconvenient.
[0035]
【The invention's effect】
The present invention provides a volatile drug-containing aerosol that has both the immediate effect of jetting and the sustained effect of continuous volatilization from the liquid vaporizer, and also allows a fun sense of play. In addition, according to the medicinal effect display device of the present invention and the medicinal effect indication method in the environmental atmosphere, the volatilization process of the volatile chemical (aerosol stock solution) and the disappearance of the volatile chemical in the environmental atmosphere can be clearly recognized and used repeatedly. It is possible to inform the timing of prompting the re-injection of the aerosol liquid.
[Brief description of the drawings]
FIG. 1 is a side sectional view of an injection system according to an embodiment of the present invention.
FIG. 2 is a side sectional view of an injection system according to another embodiment.
[Explanation of symbols]
1. Aerosol injection device
2. Nozzle stem
3. Aerosol button
4). Transparent resin container
5. Communication path to transparent resin container
6). O-ring
7). Absorbent vapor
8). Aperture

Claims

Oyster, hydrangea and green tea extracts as deodorant components, tetrahydrolinalol and hinokitiol as sterilizing components, natural and synthetic fragrance components and relaxing green fragrances as aromatic components, vapor pressure at 20 ° C. of 1 × 10 ⁻¹ mPa The ratio of aerosol stock solution / propellant consisting of a volatilizing agent selected from pyrethroid insecticides and insect repellent components of ˜1 × 10 ² mPa and ethanol as a volatile desensitizing solvent is 50/50 to 15/85 (volume ratio) A certain aerosol content liquid is filled in an aerosol injection device, and an upper part of the aerosol injection device has a transparent resin container with an opening in which a liquid absorbing vapor that is a substantially spherical cellulose-based carrier having an outer diameter of 1 to 10 mm is housed. The aerosol content liquid is added to the transparent tree at an injection pressure of 0.15 to 0.5 MPa / 25 ° C. in accordance with the injection operation. The liquid-absorbing vaporizing body is sprayed into the container to swing, and 20-70% of the sprayed aerosol content liquid is absorbed into the liquid-absorbing vaporizing body, and substantially the remaining portion is brought into the environmental atmosphere from the opening. Injecting, the immediate effect by the space injection of the aerosol content liquid, and the continuous effect by volatilizing the aerosol stock solution absorbed by the liquid absorption vaporizer for 30 minutes or more after the injection operation in the environmental atmosphere. It is a medicinal effect indicating device applied to a volatile drug-containing aerosol that has been combined,
The aerosol containing the aerosol stock solution having desensitization in the liquid-absorbing vaporizer, which is loaded with a triphenylmethane-phthalide non-volatile electron-donating dye and a color developing compound and exhibits color development based on the dye. After the liquid content is absorbed and faded, the continuous volatilization of the aerosol solution absorbed by the liquid absorption vaporized body approaches the end point, thereby causing the color of the liquid absorbing vaporized body to occur . A medicinal effect indicating device for a volatile drug-containing aerosol agent characterized in that the disappearance of the volatile drug in an environmental atmosphere is indicated .

The said liquid absorption vaporizer can repeatedly perform the display function of the fading by the absorption of the said aerosol content liquid containing the said aerosol stock solution, and the color generation display accompanying the continuous volatilization of this aerosol stock solution. A medicinal effect indicator of the volatile drug-containing aerosol described in 1.

The color developing compound is one or two selected from silica, activated alumina, florisil, clay, talc, silica powder, activated clay, bentonite, kaolin, celite, perlite, aluminum silicate, magnesium silicate, titanium oxide, and zinc oxide. The medicinal effect display tool of a volatile drug-containing aerosol according to claim 1 or 2, wherein the compound is an inorganic color developing compound of more than one species.

A medicinal effect indication method in an environmental atmosphere, characterized by using the medicinal effect indicating tool of the volatile drug-containing aerosol agent according to claim 1 .