JP5083688B2 - 酸素検知体 - Google Patents
酸素検知体 Download PDFInfo
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- JP5083688B2 JP5083688B2 JP2008085881A JP2008085881A JP5083688B2 JP 5083688 B2 JP5083688 B2 JP 5083688B2 JP 2008085881 A JP2008085881 A JP 2008085881A JP 2008085881 A JP2008085881 A JP 2008085881A JP 5083688 B2 JP5083688 B2 JP 5083688B2
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- oxygen
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Description
比較例1は、実施例1の酸素検知材の水分活性値が異なる。すなわち、実施例1と同じ酸素検知溶液及び吸収体を用い、吸収体に酸素検知溶液を含浸させ、乾燥させ、酸素検知材の水分活性Awを0.1となるよう調製した。それ以外は、実施例1と同様に酸素検知体を脱酸素剤とともにガスバリア袋に封入した。
比較例2は、実施例1の酸素検知材の水分活性値が異なる。すなわち、実施例1と同じ酸素検知溶液及び吸収体を用い、吸収体に酸素検知溶液を含浸させ、酸素検知材の水分活性Awを0.9となるよう調製した。それ以外は、実施例1と同様に酸素検知体を脱酸素剤とともにガスバリア袋に封入した。
Claims (4)
- 酸素検知溶液を吸収体に含浸させて雰囲気中の酸素濃度に反応して変色する酸素検知材を、被包部材で形成した袋部に封入した酸素検知体において、
前記被包部材には、包装の内外に通じる貫通孔を少なくとも1箇所に備え、
前記酸素検知材の25℃における水分活性がAw=0.30〜0.70であることを特徴とする酸素検知体。 - 前記貫通孔の総開口面積は、前記袋部の表面積に対して1×10−4%〜1%である請求項1に記載の酸素検知体。
- 前記被包部材は、水蒸気透過率が100g/[m2・24hr](40℃、90%RH)以下である請求項1または請求項2に記載の酸素検知体。
- 前記酸素検知材の吸収体がシート状の有機高分子吸収体からなるものである請求項1〜請求項3のいずれかに記載の酸素検知体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008085881A JP5083688B2 (ja) | 2007-03-30 | 2008-03-28 | 酸素検知体 |
Applications Claiming Priority (3)
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JP2007095402 | 2007-03-30 | ||
JP2007095402 | 2007-03-30 | ||
JP2008085881A JP5083688B2 (ja) | 2007-03-30 | 2008-03-28 | 酸素検知体 |
Publications (2)
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JP2008275599A JP2008275599A (ja) | 2008-11-13 |
JP5083688B2 true JP5083688B2 (ja) | 2012-11-28 |
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Family Applications (1)
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JP2008085881A Active JP5083688B2 (ja) | 2007-03-30 | 2008-03-28 | 酸素検知体 |
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JP (1) | JP5083688B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101196856B1 (ko) | 2009-10-28 | 2012-11-01 | 파우더테크 컴퍼니 리미티드 | 산소 검지제 및 산소 검지제의 제조 방법 |
JP2013027800A (ja) * | 2011-07-26 | 2013-02-07 | Mitsubishi Gas Chemical Co Inc | 酸素検知剤付き脱酸素剤 |
WO2020218078A1 (ja) * | 2019-04-23 | 2020-10-29 | 株式会社サクラクレパス | 積層体及びインジケーター |
IT202000010195A1 (it) | 2020-05-07 | 2021-11-07 | 2Dto3D | Sistema indicatore di presenza di diossido di carbonio in ambienti ad atmosfera controllata, etichetta adesiva comprendente tale sistema indicatore ed il relativo procedimento di produzione del sistema. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2580157B2 (ja) * | 1987-03-31 | 1997-02-12 | 日本鉄粉株式会社 | 酸素検知剤 |
JPS6469951A (en) * | 1987-09-11 | 1989-03-15 | Ekika Carbon Dioxide Co | Carbon dioxide gas detection indicator |
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JP2008275599A (ja) | 2008-11-13 |
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