JP6083989B2 - 吸湿性成形体 - Google Patents
吸湿性成形体 Download PDFInfo
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- JP6083989B2 JP6083989B2 JP2012209763A JP2012209763A JP6083989B2 JP 6083989 B2 JP6083989 B2 JP 6083989B2 JP 2012209763 A JP2012209763 A JP 2012209763A JP 2012209763 A JP2012209763 A JP 2012209763A JP 6083989 B2 JP6083989 B2 JP 6083989B2
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- Prior art keywords
- hygroscopic
- cao
- hygroscopic molded
- sro
- organic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920005989 resin Polymers 0.000 claims description 20
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- 229910052731 fluorine Inorganic materials 0.000 description 7
- 239000011737 fluorine Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
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- 239000012298 atmosphere Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
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- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
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- 239000002861 polymer material Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- 239000004698 Polyethylene Substances 0.000 description 1
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
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- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
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Description
1.吸湿剤及びバインダーを含有する吸湿性成形体であって、前記吸湿剤はSrOとCaOとの混合物からなり、SrOとCaOとの重量比はSrO:CaO=50.0〜87.5:50.0〜12.5であることを特徴とする吸湿性成形体。
2.前記CaOは、比表面積10m2/g以上である、上記項1に記載の吸湿性成形体。
3.前記吸湿剤の含有量が30〜95重量%である、上記項1又は2に記載の吸湿性成形体。
4.前記バインダーは、樹脂成分である、上記項1〜3のいずれかに記載の吸湿性成形体。
5.前記樹脂成分は、フッ素系樹脂である、上記項4に記載の吸湿性成形体。
6.前記フッ素系樹脂は、フィブリル化されている、上記項5に記載の吸湿性成形体。
7.有機EL素子用である、請求項1〜6のいずれかに記載の吸湿性成形体。
以下のようなシート状の吸湿性成形体を作製した。
上記で作製したシート状の吸湿性成形体を封止空間内に配置した有機EL素子について有機EL素子に発生する非発光部発生状況を調べた。
上記で作製したシート状の吸湿性成形体を厚さ3mm金属板に貼り付けた。金属板に貼り付ける際にローラー(0.3kg)を使って圧着させ気泡が入らないようにした。尚、上記の作業は乾燥材が水分を吸着しないように「N2環境 露点−40℃以下」の湿度雰囲気で実施した。また、作成した試験片は吸湿しないようにアルミ包材に包装した。
次式より厚み増加率σを算出した。
結果を表1に示す。
試験例2の試験後のサンプルの表面状態を目視により観察した。
Claims (7)
- 吸湿剤及びバインダーを含有する吸湿性成形体であって、前記吸湿剤はSrOとCaOとの混合物からなり、SrOとCaOとの重量比はSrO:CaO=50.0〜87.5:50.0〜12.5であることを特徴とする吸湿性成形体。
- 前記CaOは、比表面積10m2/g以上である、請求項1に記載の吸湿性成形体。
- 前記吸湿剤の含有量が30〜95重量%である、請求項1又は2に記載の吸湿性成形体。
- 前記バインダーは、樹脂成分である、請求項1〜3のいずれかに記載の吸湿性成形体。
- 前記樹脂成分は、フッ素系樹脂である、請求項4に記載の吸湿性成形体。
- 前記フッ素系樹脂は、フィブリル化されている、請求項5に記載の吸湿性成形体。
- 有機EL素子用である、請求項1〜6のいずれかに記載の吸湿性成形体。
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JP2012209763A JP6083989B2 (ja) | 2012-09-24 | 2012-09-24 | 吸湿性成形体 |
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JP2012209763A JP6083989B2 (ja) | 2012-09-24 | 2012-09-24 | 吸湿性成形体 |
Publications (2)
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JP2014067485A JP2014067485A (ja) | 2014-04-17 |
JP6083989B2 true JP6083989B2 (ja) | 2017-02-22 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6692688B2 (ja) * | 2016-04-28 | 2020-05-13 | ダイニック株式会社 | 吸湿用シート |
JP7391000B2 (ja) * | 2020-10-09 | 2023-12-04 | 双葉電子工業株式会社 | 乾燥剤組成物、封止構造体、有機elデバイス、及び、有機elデバイスを製造する方法 |
JP2022160191A (ja) * | 2021-04-06 | 2022-10-19 | 双葉電子工業株式会社 | 乾燥剤組成物、封止構造体、有機elデバイス、及び、有機elデバイスを製造する方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011142099A (ja) * | 2001-01-12 | 2011-07-21 | Nihon Gore Kk | ポリテトラフルオロエチレン製多孔質吸着シート |
JP4707391B2 (ja) * | 2002-07-08 | 2011-06-22 | ダイニック株式会社 | 吸湿性成形体 |
JP2007000817A (ja) * | 2005-06-27 | 2007-01-11 | Nihon Micro Coating Co Ltd | 吸湿シート |
WO2009139292A1 (ja) * | 2008-05-12 | 2009-11-19 | 財団法人山形県産業技術振興機構 | 有機el発光装置およびその製造方法 |
EP2445029A1 (en) * | 2010-10-25 | 2012-04-25 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Multilayered protective layer, organic opto-electric device and method of manufacturing the same |
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- 2012-09-24 JP JP2012209763A patent/JP6083989B2/ja active Active
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