JP2016058273A5 - - Google Patents

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JP2016058273A5
JP2016058273A5 JP2014184416A JP2014184416A JP2016058273A5 JP 2016058273 A5 JP2016058273 A5 JP 2016058273A5 JP 2014184416 A JP2014184416 A JP 2014184416A JP 2014184416 A JP2014184416 A JP 2014184416A JP 2016058273 A5 JP2016058273 A5 JP 2016058273A5
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organic electroluminescence
electroluminescence display
polymerizable compound
cationic
group
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JP6378985B2 (en
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本発明は、カチオン重合性化合物と、光カチオン重合開始剤とを含有する有機エレクトロルミネッセンス表示素子用封止剤であって、波長３６５ｎｍ、５０ｍＷ／ｃｍ ２ の光を３０秒間照射した後、Ｅ型粘度計を用いて、２５℃で測定した粘度が２万ｍＰａ・ｓ以下である時間が１５分以上であり、かつ、該粘度が３０万ｍＰａ・ｓ以下である時間が２０分以上であり、上記カチオン重合性化合物は、下記式（１）で表される化合物を含有する有機エレクトロルミネッセンス表示素子用封止剤である。 The present invention is an organic electroluminescence display element sealing agent containing a cationically polymerizable compound and a photocationic polymerization initiator, which is irradiated with light having a wavelength of 365 nm and 50 mW / cm 2 for 30 seconds, and then an E type. The time when the viscosity measured at 25 ° C. using a viscometer is 20,000 mPa · s or less is 15 minutes or more, and the time when the viscosity is 300,000 mPa · s or less is 20 minutes or more, The cationic polymerizable compound is a sealing agent for organic electroluminescence display elements containing a compound represented by the following formula (1).

Claims (5)

カチオン重合性化合物と、光カチオン重合開始剤とを含有する有機エレクトロルミネッセンス表示素子用封止剤であって、
波長３６５ｎｍ、５０ｍＷ／ｃｍ ２ の光を３０秒間照射した後、Ｅ型粘度計を用いて、２５℃で測定した粘度が２万ｍＰａ・ｓ以下である時間が１５分以上であり、かつ、該粘度が３０万ｍＰａ・ｓ以下である時間が２０分以上であり、
前記カチオン重合性化合物は、下記式（１）で表される化合物を含有する
ことを特徴とする有機エレクトロルミネッセンス表示素子用封止剤。
Figure 2016058273
 式（１）中、Ｒ１〜Ｒ１８は、水素原子、ハロゲン原子、又は、酸素原子若しくはハロゲン原子を含んでいてもよい炭化水素基であり、それぞれ同一であってもよいし、異なっていてもよい。Ｘは、結合手、酸素原子、炭素数１〜５のアルキレン基、オキシカルボニル基、炭素数２〜１０のアルキレンオキシカルボニル基、又は、第二級アミノ基である。 A sealing agent for an organic electroluminescence display element comprising a cationically polymerizable compound and a photocationic polymerization initiator,
After irradiating light with a wavelength of 365 nm and 50 mW / cm 2 for 30 seconds, using an E-type viscometer, the time when the viscosity measured at 25 ° C. is 20,000 mPa · s or less is 15 minutes or more, and The time during which the viscosity is 300,000 mPa · s or less is 20 minutes or more,
The said cationically polymerizable compound contains the compound represented by following formula (1), The sealing agent for organic electroluminescent display elements characterized by the above-mentioned.
Figure 2016058273
 In formula (1), R 1 to R 18 are a hydrogen atom, a halogen atom, or a hydrocarbon group that may contain an oxygen atom or a halogen atom, and may be the same or different. Also good. X is a bond, an oxygen atom, an alkylene group having 1 to 5 carbon atoms, an oxycarbonyl group, an alkyleneoxycarbonyl group having 2 to 10 carbon atoms, or a secondary amino group. カチオン重合性化合物は、下記式（２−１）で表される化合物及び／又は下記式（２−２）で表される化合物を含有することを特徴とする請求項１記載の有機エレクトロルミネッセンス表示素子用封止剤。
Figure 2016058273
 The organic electroluminescence display according to claim 1, wherein the cationic polymerizable compound contains a compound represented by the following formula (2-1) and / or a compound represented by the following formula (2-2). Device sealant.
Figure 2016058273
 光カチオン重合開始剤は、スルホニウムボレート系の光カチオン重合開始剤であることを特徴とする請求項１又は２記載の有機エレクトロルミネッセンス表示素子用封止剤。 The encapsulant for organic electroluminescence display elements according to claim 1, wherein the cationic photopolymerization initiator is a sulfonium borate-based cationic photopolymerization initiator. 光カチオン重合開始剤の含有量が、カチオン重合性化合物１００重量部に対して、０．０１〜１０重量部であることを特徴とする請求項１、２又は３記載の有機エレクトロルミネッセンス表示素子用封止剤。 4. The organic electroluminescence display element according to claim 1, wherein the content of the photo cationic polymerization initiator is 0.01 to 10 parts by weight with respect to 100 parts by weight of the cationic polymerizable compound. Sealant. 硬化遅延剤を含有しないことを特徴とする請求項１、２、３又は４記載の有機エレクトロルミネッセンス表示素子用封止剤。 5. The encapsulant for organic electroluminescence display elements according to claim 1, which does not contain a curing retarder.
JP2014184416A 2014-09-10 2014-09-10 Sealant for organic electroluminescence display element Active JP6378985B2 (en)

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JP2016058273A JP2016058273A (en) 2016-04-21
JP2016058273A5 true JP2016058273A5 (en) 2017-03-16
JP6378985B2 JP6378985B2 (en) 2018-08-22

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WO2018052007A1 (en) * 2016-09-16 2018-03-22 積水化学工業株式会社 Sealing agent for organic electroluminescent display element
CN110169201A (en) * 2017-01-12 2019-08-23 积水化学工业株式会社 Organic EL display element sealant
KR102118365B1 (en) 2017-04-21 2020-06-04 주식회사 엘지화학 Composition for encapsulating organic electronic element
KR102536932B1 (en) 2017-08-24 2023-05-30 덴카 주식회사 Encapsulant for organic electroluminescent elements
JP7270635B2 (en) 2018-09-26 2023-05-10 デンカ株式会社 Sealant for organic electroluminescence display elements
WO2020158776A1 (en) * 2019-01-30 2020-08-06 積水化学工業株式会社 Sealant for organic el display element
WO2020171186A1 (en) 2019-02-21 2020-08-27 デンカ株式会社 Composition

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JP4235698B2 (en) * 2003-08-21 2009-03-11 旭化成ケミカルズ株式会社 Photosensitive composition and cured product thereof
JP5143449B2 (en) * 2007-03-02 2013-02-13 株式会社ダイセル Thermal or active energy ray curable adhesive
JP2009019077A (en) * 2007-07-10 2009-01-29 Kyocera Chemical Corp Curable composition, adhesive for display element, and bonding method
DE102012202377A1 (en) * 2011-10-21 2013-04-25 Tesa Se Adhesive, in particular for encapsulating an electronic device
JP5919574B2 (en) * 2011-10-24 2016-05-18 パナソニックＩｐマネジメント株式会社 UV curable resin composition, optical component adhesive, and organic EL device sealing material
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