JP2012107253A - アレルゲン失活剤 - Google Patents
アレルゲン失活剤 Download PDFInfo
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- JP2012107253A JP2012107253A JP2012029719A JP2012029719A JP2012107253A JP 2012107253 A JP2012107253 A JP 2012107253A JP 2012029719 A JP2012029719 A JP 2012029719A JP 2012029719 A JP2012029719 A JP 2012029719A JP 2012107253 A JP2012107253 A JP 2012107253A
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Abstract
【解決手段】〔1〕光触媒機能を持つ酸化チタン、ならびに水および/または低級アルコールを含有するアレルゲン失活剤、〔2〕好ましくは、酸化チタンの一次粒子の平均粒子径が1〜200nmである前記〔1〕記載のアレルゲン失活剤。ハウスダスト処理剤、スプレーならびにシートに好適に用いられる。
【選択図】なし
Description
〔1〕光触媒機能を持つ酸化チタンを含有するアレルゲン失活剤
に関する。
本発明のハウスダスト処理剤の処理対象としては、一般的にハウスダストと称されるものであれば特に限定されないが、ダニの死骸や糞、花粉などのアレルゲンを含むハウスダストに対して優れた除去効果を奏し、ダニの死骸や糞などのダニアレルゲンを含むハウスダストに対して特に優れた除去効果を奏する。
本発明のスプレーは、前記ハウスダスト処理剤を公知のスプレー容器に充填してなるものであり、好ましい態様のハウスダスト処理剤を充填してなるものがより好適である。
本発明のシートは、前記ハウスダスト処理剤を公知のシート材料に含浸させてなるものであり、好ましい態様のハウスダスト処理剤を含浸させてなるものがより好適である。
表1に示す酸化チタンA〜F、シリカまたはタルクを表2に示す配合に従って各成分を混合し、試験液1〜5(実施例1〜5)および比較試験液1〜3(比較例1〜3)を得た。
前記試験液1〜5及び比較試験液1〜3のアレルゲン失活作用を、アレルゲンとしてダニアレルゲンを用い、以下の方法に従って評価した。
前記試験液1のアレルゲン失活作用が光によりどのような影響を受けるかを確認するため、光条件を変更する以外は試験例1と同様に、アレルゲン失活作用の程度を評価した。対照として、比較試験液1を使用した。その結果を表5に示す。
前記試験液1のアレルゲン失活作用がpHによりどのような影響を受けるかを確認するため、試験前に乳酸または炭酸ナトリウムを用いて試験液のpHを調整する以外は試験例1と同様に、アレルゲン失活作用の程度を評価した。その結果を表6に示す。なお、試験液1の試験前のpHは6であった。
表7に示す配合に従って各成分を混合し、試験液6(実施例6)および比較試験液4〜11(比較例4〜11)を得た。なお、表7における単位はgである。
試験液6および比較試験液4〜11について試験例1と同様にアレルゲン失活作用を評価した。その結果を表8に示す。
直径9cmのプラスチックシャーレに、塵埃として標準ダスト〔コットンリンタ、(財)日本空気清浄協会製〕10mgを入れ、市販のハンドスプレー容器に充填してなる試験液6または比較試験液4〜11を0.7mL標準ダストめがけて噴霧した。室温にて乾燥させた後、実体顕微鏡(Nikon製;拡大倍率50倍)にて顕鏡し、以下の評価基準に従って、標準ダストの吸着、凝集の程度を観察した。なお、対照として、プラスチックシャーレに標準ダストを入れただけのもの、試験液の代わりに水を噴霧したものを同様に観察した。その結果を表8に示す。
○:吸着・凝集性有り
×:吸着・凝集性無し
〔1〕 光触媒機能を持つ酸化チタンを含有するアレルゲン失活剤。
〔2〕 水および/または低級アルコールをさらに含有する〔1〕記載のアレルゲン失活剤。
〔3〕 〔1〕または〔2〕記載のアレルゲン失活剤およびポリアクリル酸ナトリウムを含有するハウスダスト処理剤。
〔4〕 〔3〕記載のハウスダスト処理剤をスプレー容器に充填してなるハウスダスト処理用スプレー。
〔5〕 〔3〕記載のハウスダスト処理剤をシート材に含浸してなるハウスダスト処理用シート。
〔6〕 アレルゲンを失活させるための、光触媒機能を持つ酸化チタンの使用。
〔7〕 水および/または低級アルコールに光触媒機能を持つ酸化チタンおよびポリアクリル酸ナトリウムを分散する工程を含む、ハウスダスト処理剤の製造方法。
Claims (2)
- 光触媒機能を持つ酸化チタン、ならびに水および/または低級アルコールを含有するアレルゲン失活剤。
- 酸化チタンの一次粒子の平均粒子径が1〜200nmである請求項1記載のアレルゲン失活剤。
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JP2014058479A (ja) * | 2012-09-18 | 2014-04-03 | Fumakilla Ltd | 有害物質の吸入抑制製品 |
JP2015105266A (ja) * | 2013-12-02 | 2015-06-08 | オーストリッチファーマ株式会社 | アレルゲン抗体およびそれを有する組成物と抗体を有するフィルター |
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JP2000015032A (ja) * | 1998-06-30 | 2000-01-18 | Daikin Ind Ltd | 局所清浄型空気清浄機 |
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JPH11315398A (ja) * | 1998-02-20 | 1999-11-16 | Daiwa House Ind Co Ltd | 光触媒用チタン陽極酸化皮膜の生成方法 |
JP2000015032A (ja) * | 1998-06-30 | 2000-01-18 | Daikin Ind Ltd | 局所清浄型空気清浄機 |
JP2004510841A (ja) * | 2000-09-29 | 2004-04-08 | ザ プロクター アンド ギャンブル カンパニー | アレルゲン中和組成物 |
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JP2014058479A (ja) * | 2012-09-18 | 2014-04-03 | Fumakilla Ltd | 有害物質の吸入抑制製品 |
JP2015105266A (ja) * | 2013-12-02 | 2015-06-08 | オーストリッチファーマ株式会社 | アレルゲン抗体およびそれを有する組成物と抗体を有するフィルター |
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