JP2013537978A - ガス状媒質の多孔質化学的インジケータ - Google Patents
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Abstract
Description
A−CH=CH2+B−Si−H→A−CH2−CH2−Si−B
一般的に、ヒドロシリル化反応を触媒するには、白金、パラジウム、ロジウム、又はイリジウム触媒などの貴金属触媒などの触媒が用いられる。ビニル性基を含む化合物はシリコーンであってよく、ヒドロシランを含む化合物がシリコーンであってもよく、あるいは両方がシリコーンであってもよい。本明細書において使用するところの「シリコーン」及び「シロキサン」なる用語は互換可能に使用され、ジアルキル又はジアリールシロキサン(−SiR2O−)繰り返し単位を有する単位のことを指す。ヒドロシリル化によって調製されるシリコーン感圧接着剤の例は、例えば米国特許第5,169,727号(ボードマン(Boardman))に述べられている。
これらの実施形態の中に化学的インジケータがある。第1の実施形態は、不活性の多孔質基材と、前記不活性の多孔質基材の少なくとも一部の孔の内部に含まれたインジケータ色素又は色素の混合物と、前記不活性の多孔質基材に接着された不活性の接着層と、を有する化学的インジケータを含む。
合成例S1:色素溶液の調製
表S1に示される試薬を用いて、色素1の溶液をエタノール溶液で調製した。固体の色素をガラス容器に入れ、エタノールを加えて色素を溶解し、1.0N水酸化ナトリウム水溶液を加えて溶液を塩基性とした。
TIPS膜の試料を、合成例S1で調製した色素1の溶液でコーティングした。色素溶液はマイクロピペットを用いて膜上に付着させることにより、2.0マイクロリットルの色素溶液を膜上に置いた。次いで試料を暗所で数時間、空気中で乾燥した。コーティングされたTIPS膜を、下記表1に述べられるようにして接着剤又はテープに積層することによって、センサー装置を調製した。接着剤を積層したセンサー装置を試料レスピレータカートリッジに取り付けた。センサー装置を取り付けたレスピレータカートリッジを毎分32リットル(Lpm)のSO2流に、相対湿度(RH)43%、SO2ガス濃度9.2ppmで曝露し、出口側のSO2の濃度を漏出について観測した。オリンパス社製C−5060 CAMEDIAカメラを使用し、絞り値3.2、シャッター速度1/8、近接焦点、及び遅延フラッシュにてセンサー装置を観測した。カメラ及び出口モニターの観測結果を下記表2にまとめて示す。
TIPS膜の試料を、合成例S1で調製した色素1の溶液でコーティングした。色素溶液はマイクロピペットを用いて膜上に付着させることにより、2.0マイクロリットルの色素溶液を膜上に置いた。次いで試料を暗所で数時間、空気中で乾燥した。コーティングされたTIPS膜を、下記表3に述べられるようにして接着剤又はテープに積層することによって、センサー装置を調製した。接着剤を積層したセンサー装置を試験レスピレータカートリッジに取り付けた。センサー装置を取り付けたレスピレータカートリッジを毎分32リットル(Lpm)のSO2流に、相対湿度(RH)43%、SO2ガス濃度8.3ppmで曝露し、レスピレータカートリッジの出口側のSO2の濃度を漏出について観測した。オリンパス社製C−5060 CAMEDIAカメラを使用し、絞り値3.2、シャッター速度1/8、近接焦点、及び遅延フラッシュにてセンサー装置を観測した。カメラ及び出口モニターの観測結果を下記表4にまとめて示す。
Claims (23)
- 不活性の多孔質基材と、
前記不活性の多孔質基材の少なくとも一部の孔の内部に含まれたインジケータ色素又は色素の混合物と、
前記不活性の多孔質基材に接着された不活性の接着層と、を有する化学的インジケータ。 - 前記不活性の多孔質基材が微多孔質基材を含み、前記孔の実質的にすべてが直径1,000マイクロメートル未満である、請求項1に記載の化学的インジケータ。
- 前記不活性の多孔質基材が、ポリマー多孔質基材を含む、請求項1に記載の化学的インジケータ。
- 前記ポリマー多孔質基材が、ポリエチレン、ポリプロピレン、若しくは他の炭化水素ポリマー又はこれらの混合物を含む、請求項3に記載の化学的インジケータ。
- 前記不活性の多孔質基材が、熱誘導相分離法によって調製された膜を含む、請求項1に記載の化学的インジケータ。
- 前記膜がポリプロピレンを含む、請求項5に記載の化学的インジケータ。
- 前記インジケータ色素が、酸インジケータ色素又は塩基インジケータ色素を含む、請求項1に記載の化学的インジケータ。
- 前記不活性の接着層が、酸含有及び塩基含有単位を実質上含まない接着層を含む、請求項1に記載の化学的インジケータ。
- 前記不活性の接着層が、天然ゴム接着剤、合成ゴム接着剤、ポリα−オレフィン接着剤、スチレンブロックコポリマー接着剤、ポリ(メタ)アクリレート接着剤、シリコーン接着剤、又はこれらの混合物を含む、請求項1に記載の化学的インジケータ。
- 接着層によって前記不活性の多孔質基材に接着された非多孔質層を更に有する、請求項1に記載の化学的インジケータ。
- ケースと、
前記ケースの内部の少なくとも1個の化学的インジケータと、を有する装置であって、前記化学的インジケータが、
不活性の多孔質基材と、
前記不活性の多孔質基材の少なくとも一部の孔の内部に含まれたインジケータ色素又は色素の混合物と、
前記不活性の多孔質基材に接着された不活性の接着層と、を有する、装置。 - 前記接着層が、前記化学的インジケータを前記ケースの表面に接着する、請求項11に記載の装置。
- 前記不活性の多孔質基材が微多孔質基材を含み、前記孔の実質的にすべてが直径1,000マイクロメートル未満である、請求項11に記載の装置。
- 前記インジケータ色素が、酸インジケータ色素又は塩基インジケータ色素を含む、請求項11に記載の装置。
- 更なる化学的インジケータを更に有し、前記更なる化学的インジケータが前記少なくとも1個の化学的インジケータと同じか又は異なりうる、請求項11に記載の装置。
- 前記ケースが、レスピレータカートリッジを含む、請求項11に記載の装置。
- 前記不活性の接着層によって前記不活性の多孔質基材に接着された非多孔質層を更に有する、請求項11に記載の装置。
- 前記非多孔質層に接着された第2の接着層を更に有する、請求項17に記載の装置。
- 前記非多孔質層が透明層を含む、請求項17に記載の装置。
- 前記不活性の接着層が、透明な接着層を含む、請求項11に記載の装置。
- 化学的インジケータを調製する方法であって、
不活性の多孔質基材を提供する工程と、
インジケータ色素溶液を提供する工程と、
前記不活性の多孔質基材の孔に前記インジケータ色素混合物の少なくとも一部が入り込むように、前記インジケータ色素溶液を前記不活性の多孔質基材に適用する工程と、
不活性の接着剤の層を前記多孔質基材に適用する工程と、を含む、方法。 - 不活性の接着剤の層を前記多孔質基材に適用する工程が、不活性の接着層を前記多孔質基材に積層することを含む、請求項21に記載の方法。
- 前記インジケータ色素溶液を適用した後に、前記不活性の多孔質基材を乾燥させる工程を更に含む、請求項21に記載の方法。
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US38558910P | 2010-09-23 | 2010-09-23 | |
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PCT/US2011/051767 WO2012040032A2 (en) | 2010-09-23 | 2011-09-15 | Porous chemical indicator for gaseous media |
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JP2016151510A (ja) * | 2015-02-18 | 2016-08-22 | 学校法人日本大学 | ガス濃度の変化の検出材料及びガス濃度の変化の検出方法 |
JP2017173204A (ja) * | 2016-03-25 | 2017-09-28 | シグマアルドリッチジャパン合同会社 | サンプル中の目的成分の存在を検知するための装置 |
KR20180123101A (ko) * | 2016-03-14 | 2018-11-14 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 알데하이드용 중합체 수착제를 포함하는 복합 과립제 |
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Also Published As
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BR112013006113A2 (pt) | 2018-05-08 |
WO2012040032A3 (en) | 2012-07-19 |
JP5911494B2 (ja) | 2016-04-27 |
WO2012040032A2 (en) | 2012-03-29 |
EP2619570A2 (en) | 2013-07-31 |
EP2619570A4 (en) | 2017-09-06 |
US20130189166A1 (en) | 2013-07-25 |
US9134251B2 (en) | 2015-09-15 |
CN107064414A (zh) | 2017-08-18 |
CN103119436A (zh) | 2013-05-22 |
KR20130117775A (ko) | 2013-10-28 |
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