JP2010265459A - 脱カルボキシル化触媒を含有する二軸延伸ポリエステルフィルム、その製造方法およびその使用 - Google Patents
脱カルボキシル化触媒を含有する二軸延伸ポリエステルフィルム、その製造方法およびその使用 Download PDFInfo
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- JP2010265459A JP2010265459A JP2010113361A JP2010113361A JP2010265459A JP 2010265459 A JP2010265459 A JP 2010265459A JP 2010113361 A JP2010113361 A JP 2010113361A JP 2010113361 A JP2010113361 A JP 2010113361A JP 2010265459 A JP2010265459 A JP 2010265459A
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- Prior art keywords
- polyester film
- film
- halide
- film according
- biaxially stretched
- 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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Images
Classifications
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract
【解決手段】
ポリエステルを主成分とする二軸延伸ポリエステルフィルムであって、銅塩およびハロゲン化物の少なくとも1つを有し、23℃で50Hzにおける交流絶縁耐圧が100kV/mm以上である。
【選択図】なし
Description
ポリエステルのジクロロエタン(DCA)中の標準粘度SVは、DIN 53726に従い、ウベローデ型粘度系を使用し25℃で測定したジクロロ酢酸1%溶液の比粘度(ηrel)から求めた。ポリエステルの標準粘度SVは、以下の式より算出した。
熱収縮率は、1辺10cmの正方形のフィルムについて測定した。試料フィルム片は、一辺が長手方向に平行に、もう一辺が長手方向と垂直に(横方向に)なるように切り出して作成した。試料フィルムの長さは正確に測定し(長手方向の辺の初期長さをL0 MD、横方向の辺の初期長さをL0 TDとする)、対流オーブンの中で、収縮温度において(この場合150℃)15分間熱処理を行った。試料フィルムを取出し室温にて長さを正確に測定する(熱処理後の長手方向の辺の長さをLMD、熱処理後の横方向の辺の長さをLTDとする)。収縮率は以下の式から算出した。
「Lambda 3 UV/Vis」分光計(Perkin Elmer社製)を使用して測定した。
フィルムの絶縁耐圧は、DIN 53481−3(DIN 40634に記載されているフィルムに対する要求に従った)に準じて測定した。球&板系(電極径:49.5mm)を測定に使用し、50Hz正弦波交流電圧、23℃、相対湿度50%、空気中で測定した。
平均粒径d50はMalvern Master Sizer(Malvern Instruments Ltd(英国)社製)を使用したレーザーによる一般的な方法で測定した。他の装置としては、Horiba LA 500(HORIBA Europe GmbH(ドイツ)社製)またはSympathec Helos(Sympathec GmbH(ドイツ)社製)装置が挙げられ、基本的に同一の原理の装置である。水を入れたセルに測定サンプルを入れ、試験装置にセットする。試験は自動的に行われ、粒径d50の数学的な計算も一緒に行われる。粒径d50の値は、累積粒径分布曲線から決定し、50%における横軸の値を粒径d50とした。
フィルムの機械的性質はDIN EN ISO527−1〜3に準じて測定した。
フィルム(10cm×2cm)をワイヤーで吊るしてオートクレーブ(Adolf Wolf SANOklav社製 ST−MCS−204)中に入れ、オートクレーブの中に水を2L入れた。オートクレーブを密封し、100℃に加熱した。水蒸気によって中の空気は排出口から送出された。約5分後にバルブを閉じ、温度を110℃に上昇させ、圧力を1.2〜1.5気圧に上昇させた。設定時間が過ぎるとオートクレーブは自動的にスイッチが切れ、排出口が開放され、フィルムを取出した。そして、そのフィルムのSV値を測定した。
液化を伴いながら、二軸押出機(日本製鋼社製)中で原料を混合し、押出した。押出機および溶融ライン内の最高温度は278℃であった。処理能力は2000kg/時であった。溶融体はスロットダイ(温度280℃)を介して冷却ロール(30℃)上に押出し、110℃で3.2倍に長手方向に延伸し、115℃で3.5倍に横方向に延伸した。
2:蒸着ポリエステルフィルム
3:白色ポリエステルフィルム
4:接着層
5:太陽電池の埋込み部材
Claims (16)
- ポリエステルを主成分とする二軸延伸ポリエステルフィルムであって、銅塩およびハロゲン化物の少なくとも1つを有し、23℃で50Hzにおける交流絶縁耐圧が100kV/mm以上であることを特徴とする二軸延伸ポリエステルフィルム。
- 銅塩が銅(II)の塩である請求項1に記載のポリエステルフィルム。
- 銅塩における銅の対イオンが、カルボン酸、アミド又はカルボン酸のアセチル類似体の1価または多価アニオンである請求項1又は2に記載のポリエステルフィルム。
- ハロゲン化物が、ヨウ化物、塩化物および臭化物から選択される請求項1〜3の何れかに記載のポリエステルフィルム。
- ハロゲン化物が、アルカリ金属ハロゲン化物である請求項1〜4の何れかに記載のポリエステルフィルム。
- ポリエステルフィルムの質量に対するハロゲン化物の含有量が15〜600ppmである請求項1〜5の何れかに記載のポリエステルフィルム。
- 銅に対するハロゲン化物のモル比が0.5〜3.5である請求項1〜6の何れかに記載のポリエステルフィルム。
- 更に、前記ハロゲン化物の他に、ハロゲン化物とは異なる還元剤を含有する請求項1〜7の何れかに記載のポリエステルフィルム。
- 銅(II)に対するハロゲン化物とは異なる還元剤のモル比が0.5〜2.5である請求項7に記載のポリエステルフィルム。
- 更に、耐加水分解剤としてエポキシ化脂肪酸誘導体を含有する請求項1〜9の何れかに記載のポリエステルフィルム。
- ポリエステルフィルム中のハロゲン化物の含有量が0.05重量%以上で2重量%未満である鎖延長剤請求項11に記載のポリエステルフィルム。
- a)フラットフィルムダイを解してフィルムの個々の層に対応する溶融体を押出す工程と、b)押出されたシートを引取り、1つ以上の冷却ロールで冷却して固化し、実質的に非晶であるシートを形成する工程と、c)得られた非晶シートを再加熱して二軸延伸して二軸延伸フィルムを形成する工程と、d)得られた二軸延伸フィルムを熱固定する工程と、e)フィルムを巻取る工程とから成る請求項1〜12の何れかに記載の二軸延伸ポリエステルフィルムの製造方法。
- 請求項1〜12に記載の二軸延伸ポリエステルフィルムから成る電気絶縁体。
- 請求項1〜12に記載の二軸延伸ポリエステルフィルムと、少なくとも1つの他のフィルムとから成る積層体。
- 請求項1〜12に記載の二軸延伸ポリエステルフィルムから成る太陽電池モジュール。
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DE102009021566A DE102009021566A1 (de) | 2009-05-15 | 2009-05-15 | Biaxial gestreckte Polyesterfolie, enthaltend einen Decarboxylierungskatalysator, Verfahren zu ihrer Herstellung und ihre Verwendung in Elektroisolieranwendungen |
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JP2014239128A (ja) * | 2013-06-07 | 2014-12-18 | 三菱樹脂株式会社 | 太陽電池裏面封止用ポリエステルフィルム |
JP2014239125A (ja) * | 2013-06-07 | 2014-12-18 | 三菱樹脂株式会社 | 太陽電池裏面封止用ポリエステルフィルム |
JP2015034231A (ja) * | 2013-08-09 | 2015-02-19 | 三菱樹脂株式会社 | 二軸配向白色ポリエステルフィルム |
WO2015118966A1 (ja) * | 2014-02-07 | 2015-08-13 | 東レ株式会社 | ポリエステル樹脂組成物およびその製造方法 |
WO2015146183A1 (ja) * | 2014-03-28 | 2015-10-01 | 東レ株式会社 | ポリエステル樹脂組成物およびその製造方法 |
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WO2016167084A1 (ja) * | 2015-04-15 | 2016-10-20 | 東レ株式会社 | ポリエステル樹脂組成物及びその製造方法 |
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PL2251371T3 (pl) | 2017-10-31 |
EP2251371A3 (de) | 2014-09-17 |
CN101955633A (zh) | 2011-01-26 |
ES2633303T3 (es) | 2017-09-20 |
EP2251371B1 (de) | 2017-04-19 |
EP2251371B8 (de) | 2017-07-12 |
CN101955633B (zh) | 2013-12-18 |
DE102009021566A1 (de) | 2010-11-18 |
EP2251371A2 (de) | 2010-11-17 |
JP5809781B2 (ja) | 2015-11-11 |
KR101732888B1 (ko) | 2017-05-08 |
US20100292375A1 (en) | 2010-11-18 |
US9373737B2 (en) | 2016-06-21 |
KR20100123629A (ko) | 2010-11-24 |
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