JP2014039066A - 封止材組成物およびそれを硬化させてなる太陽電池モジュール封止材ならびにそれを用いてなる太陽電池モジュールの製造方法 - Google Patents
封止材組成物およびそれを硬化させてなる太陽電池モジュール封止材ならびにそれを用いてなる太陽電池モジュールの製造方法 Download PDFInfo
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- JP2014039066A JP2014039066A JP2013234275A JP2013234275A JP2014039066A JP 2014039066 A JP2014039066 A JP 2014039066A JP 2013234275 A JP2013234275 A JP 2013234275A JP 2013234275 A JP2013234275 A JP 2013234275A JP 2014039066 A JP2014039066 A JP 2014039066A
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- solar cell
- cell module
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- Sealing Material Composition (AREA)
- Polyurethanes Or Polyureas (AREA)
- Photovoltaic Devices (AREA)
Abstract
【解決手段】太陽電池モジュール5を、ポリオール成分(A成分)と脂肪族系イソシアネートおよび脂環族イソシアネートの少なくとも一方(B成分)とを有し、上記A成分の93〜100重量%が下記のポリエーテルポリオール(X)で構成されている封止材組成物を用いて封止するようにした。
(X)平均官能基数が2〜4であり、かつ、水酸基およびアミノ基の少なくとも一方を有する化合物に、アルキレンオキサイドを開環付加重合して得られるポリエーテルポリオール。
【選択図】図1
Description
(X)平均官能基数が2〜4であり、かつ、水酸基およびアミノ基の少なくとも一方を有する化合物に、アルキレンオキサイドを開環付加重合して得られるポリエーテルポリオール。
56100÷水酸基価(mgKOH/g)×官能基数=分子量・・・(1)
また、水酸基価は、JIS K 1557−1(アセチル化法)で測定することができ、粘度は、JIS K 1557−5で測定することができる。
(封止材組成物の調製)
官能基数3のグリセリンを開始剤として、アルキレンオキサイドを開環付加重合させた、分子量4800、水酸基価35mgKOH/g、粘度800mPa・s/25℃のA成分〔ポリエーテルポリオール(X),(末端EO単位の含有量10%)〕100重量部と、光安定剤としてヒンダードアミン(三共有機合成社製、サノールLS292)2.0重量部と、反応触媒としてジブチルチンジラウレート1.0重量部を添加し、攪拌機で充分に混合した後、減圧下で脱泡した。これにB成分であるイソホロンジイソシアネート(バイエルマテリアルサイエンス社製 デスモジュールI、NCO%=37.8)を7.2重量部を添加し、気泡が入らないよう注意しながら攪拌機で混合した。
上記実施の形態で示したとおり、別途用意した太陽電池モジュール枠内に、厚み3mmのガラスからなる表面板状部材と、厚み3mmのガラスからなる裏面板状部材とを、6mmの間隔を空けて配置し、それらの間に、電気的に接続された3個の太陽電池セルを配置する。そして、このモジュール枠を水平ラインに対し20°傾け、その枠内に上記封止材組成物を静かに注ぎ入れた。なお、その際、封止材組成物に気泡が生じることがなかったため、注入後の封止材組成物の脱泡は不要であった。封止材組成物の注入後、モジュール枠の傾きを元に戻して水平となるようにし、50℃で6時間静置して封止材組成物を硬化させ、モジュール枠から脱型することにより、表面板状部材と裏面板状部材との間に配置された太陽電池セルが封止材(封止材組成物の硬化体)で封止されてなる太陽電池モジュールを製造した。
封止材組成物を後記の表1に記載の配合に変更した他は、実施例1と同様にして太陽電池モジュールを製造した。なお、水添MDIとしては、バイエルマテリアルサイエンス社製のデスモジュールWを使用し、HDIイソシアヌレート体としては、バイエルマレリアルサイエンス社製のデスモジュールN3600(NCO%=23.0%、粘度1100mPa/25℃)を使用した。
JIS K6253−3準拠のタイプAデュロメータを用い、JIS K6253−3に準拠する方法により測定を行った。読み取るまでの時間は、押針を押し込んだ直後(1秒以内)とした。
JIS K 6400−5に準拠し、ダンベル1号型の試験片を用いて測定した。
JIS K 6400−5に準拠し、ダンベル1号型の試験片を用いて、伸び率が100%時の強度を測定した。
JIS K 6400−5に準拠し、ダンベル1号型の試験片を用いて測定した。
JIS K7361に準拠して、厚み2mmに調製した試験片を、日本電色工業社製のNDH−2000を用いて測定した。
Q−Lab社製のQUV Weather Tester(UVA340ランプ)を用い、雰囲気温度60℃、2000時間経過後に試験片に変色が発生するか否かを目視にて観察し、変色しなかったものを○とした。
Claims (4)
- 太陽電池モジュール封止材に用いられる封止材組成物であって、ポリオール成分(A成分)と脂肪族系イソシアネートおよび脂環族イソシアネートの少なくとも一方(B成分)とを有し、上記A成分の93〜100重量%が下記のポリエーテルポリオール(X)で構成されていることを特徴する封止材組成物。
(X)平均官能基数が2〜4であり、かつ、水酸基およびアミノ基の少なくとも一方を有する化合物に、アルキレンオキサイドを開環付加重合して得られるポリエーテルポリオール。 - 上記ポリエーテルポリオール(X)が、分子量が3000〜8000、水酸基価が20〜80mgKOH/g、粘度が1500mPa・s/25℃以下、の条件を満たすものである請求項1記載の封止材組成物。
- 請求項1記載の封止材組成物を硬化させてなる太陽電池モジュール封止材であって、その太陽電池モジュール封止材が、アスカーA硬度が60以下、伸び率が500%以上、100%モジュラスが1.0MPa以下、の物性を備えることを特徴とする太陽電池モジュール封止材。
- 太陽電池セルを太陽電池モジュール封止材で封止してなる太陽電池モジュールの製造方法であって、所定間隔を保って配置された一対の板状部材間に太陽電池セルを配置する工程と、上記太陽電池セルが配置された一対の板状部材間に請求項1記載の封止材組成物を注入する工程と、注入された上記封止材組成物を脱泡することなく硬化させる工程とを備えることを特徴とする太陽電池モジュールの製造方法。
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JP2013234275A JP6349073B2 (ja) | 2013-11-12 | 2013-11-12 | 封止材組成物およびそれを硬化させてなる太陽電池モジュール封止材ならびにそれを用いてなる太陽電池モジュールの製造方法 |
CN201480072956.0A CN106459662B (zh) | 2013-11-12 | 2014-11-11 | 密封剂组合物、通过使其硬化制备的太阳能电池组件密封剂和使用其生产太阳能电池组件的方法 |
ES14795841T ES2747946T3 (es) | 2013-11-12 | 2014-11-11 | Composición de sellador, sellador de módulo de celdas solares preparado por endurecimiento de la misma, y procedimiento para producir un módulo de celdas solares mediante el uso de la misma |
EP14795841.7A EP3068840B1 (en) | 2013-11-12 | 2014-11-11 | Sealant composition, solar cell module sealant prepared by hardening the same, and method for producing solar cell module using the same |
PCT/EP2014/074263 WO2015071256A1 (en) | 2013-11-12 | 2014-11-11 | Sealant composition, solar cell module sealant prepared by hardening the same, and method for producing solar cell module using the same |
US15/034,924 US20160284905A1 (en) | 2013-11-12 | 2014-11-11 | Sealant composition, solar cell module sealant prepared by hardening the same, and method for producing solar cell module using the same |
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- 2014-11-11 EP EP14795841.7A patent/EP3068840B1/en active Active
- 2014-11-11 ES ES14795841T patent/ES2747946T3/es active Active
- 2014-11-11 US US15/034,924 patent/US20160284905A1/en not_active Abandoned
- 2014-11-11 WO PCT/EP2014/074263 patent/WO2015071256A1/en active Application Filing
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EP3068840A1 (en) | 2016-09-21 |
ES2747946T3 (es) | 2020-03-12 |
JP6349073B2 (ja) | 2018-06-27 |
CN106459662A (zh) | 2017-02-22 |
US20160284905A1 (en) | 2016-09-29 |
CN106459662B (zh) | 2019-09-24 |
WO2015071256A1 (en) | 2015-05-21 |
EP3068840B1 (en) | 2019-07-24 |
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