JP5163488B2 - 積層体 - Google Patents
積層体 Download PDFInfo
- Publication number
- JP5163488B2 JP5163488B2 JP2008508417A JP2008508417A JP5163488B2 JP 5163488 B2 JP5163488 B2 JP 5163488B2 JP 2008508417 A JP2008508417 A JP 2008508417A JP 2008508417 A JP2008508417 A JP 2008508417A JP 5163488 B2 JP5163488 B2 JP 5163488B2
- Authority
- JP
- Japan
- Prior art keywords
- gas barrier
- film
- layer
- barrier coating
- coating layer
- 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
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Description
(ii)PET/AC/熱可塑性樹脂層/(RIE処理面)基材/AC/熱可塑性樹脂層/直鎖状低密度ポリエチレン(LLDPE)層
(iii)OPP/AC/熱可塑性樹脂層/(RIE処理面)基材/AC/熱可塑性樹脂層/低密度ポリプロピレン(CPP)層、
(iv)PET/インキ/AC/MAH−grafted PP/(処理面)PET/蒸着層/ガスバリア性被膜層(処理面)/MAH−grafted PP/CPP。
以下、本発明の積層体の実施例を具体的に説明する。なお、本発明はこれらの実施例に限定されるものではない。
厚さ12μmのポリエチレンテレフタレート(PET)フィルムの未処理面に、以下の条件でリアクティブイオンエッチング(RIE)を利用した前処理を施した。電極には周波数13.56MHzの高周波電源を用いた。
印加電力:120W
処理時間:0.1sec
処理ガス:アルゴン
処理ユニット圧力:2.0Pa。
上記例1において、RIE前処理時の処理時間を0.5secにした以外は、例1と同様の方法で積層体を作製した。自己バイアス値は450V,Ed値は430W・m−2・secであった。
上記例1において、RIE前処理時の印加電力を500Wにした以外は、例1と同様の方法で積層体を作製した。自己バイアス値は900V,Ed値は900W・m−2・secであった。
上記例1において、ポリプロピレン(PP)樹脂を押出し温度290℃で押出ラミネーションした以外は、例1と同様の方法で積層体を作製した。
上記例1において、PETフィルムに前処理を行わなかった以外は、例1と同様の方法で積層体を作製した。
上記例1において、PETフィルムにRIE前処理の代わりにコロナ処理を行った以外は、例1と同様の方法で積層体を作製した。
厚さ15μmのポリアミド(Ny)フィルムの未処理面に、以下の条件でリアクティブイオンエッチング(RIE)を利用した前処理を施した。電極には周波数13.56MHzの高周波電源を用いた。
印加電力:120W
処理時間:0.1sec
処理ガス:アルゴン
処理ユニット圧力:2.0Pa。
上記例7において、RIE前処理時の処理時間を0.5secにした以外は、例7と同様の方法で積層体を作製した。自己バイアス値は450V,Ed値は430W・m−2・secであった。
上記例7において、ポリプロピレン(PP)樹脂を押出し温度290℃で押出ラミネーションした以外は、例7と同様の方法で積層体を作製した。
上記例7において、Nyフィルムに前処理を行わなかった以外は、例7と同様の方法で積層体を作製した。
上記例7において、NyフィルムにRIE前処理の代わりにコロナ処理を行った以外は、例7と同様の方法で積層体を作製した。
厚さ20μmのポリプロピレン(PP)フィルムの未処理面に、以下の条件でリアクティブイオンエッチング(RIE)を利用した前処理を施した。電極には周波数13.56MHzの高周波電源を用いた。
印加電力:200W
処理時間:0.2sec
処理ガス:アルゴン
処理ユニット圧力:2.0Pa。
上記例12において、RIE前処理時の処理時間を0.5secにした以外は、例12と同様の方法で積層体を作製した。自己バイアス値は550V,Ed値は1800W・m−2・secであった。
上記例12において、PPフィルムに前処理を行わなかった以外は、例12と同様の方法で積層体を作製した。
上記例12において、PPフィルムにRIE前処理の代わりにコロナ処理を行った以外は、例12と同様の方法で積層体を作製した。
例1〜15において、基材に熱可塑性樹脂を押出ラミネートする前に、X線光電子分光測定によりRIEによる前処理面の表面分析を行った。測定に用いたX線光電子分光装置は日本電子株式会社製JPS−90MXVであり、X線源として非単色化MgKα(1253.6eV)を用い、出力100W(10kV−10mA)で測定した。定量分析はO1sで2.28、C1sで1.00、N1sで1.61の相対感度因子を用いて計算を行い、元素比率としてO比(O/CまたはO/(C+N))を求めた。C1s波形の波形分離解析にはガウシアン関数とローレンツ関数の混合関数を使用し、帯電補正はベンゼン環に由来するC−C結合ピークを285.0eVとして補正した。
例1〜15の積層体について、フィルム基材とラミネートした熱可塑性樹脂層との間のラミネート強度を、オリエンテック社テンシロン万能試験機RTC−1250を用いて測定した(JIS Z1707準拠)。この測定の際に、測定部位を水で湿潤させながら剥離を行った。剥離角度は180度とした。結果を表1に示す。また、このラミネート強度測定後のサンプルの剥離面が基材であるか層間であるかを、X線光電子分光測定により確認した。
厚さ12μmのポリエチレンテレフタレート(PET)フィルムの一方の面に、電子線加熱方式による真空蒸着装置により金属アルミニウムを蒸着し、これに酸素ガスを導入して厚さ15nmの酸化アルミニウムを形成した。この酸化アルミニウム上に、下記に示すA液とB液を配合比(wt%)60/40に混合した溶液をグラビアコート法により塗布して乾燥し、厚さ0.3μmのガスバリア性被膜層を形成して、ガスバリア性フィルムを作製した。
B液:ポリビニルアルコールの3wt%水/イソプロピルアルコール溶液(水:イソプロピルアルコール重量比90:10)。
上記例21において、ガスバリア性被膜層に印加電力1200W、プラズマ密度E=1700W・sec/m2の条件でイオンボンバードによるプラズマ処理を施した。処理ガスにアルゴンガスを用い、処理ユニット圧力を0.4Paとした。それ以外は、例21と同様の方法で積層体を作製した。
例21と同様に、厚さ12μmのポリエチレンテレフタレート(PET)フィルムの一方の面に、電子線加熱方式による真空蒸着装置により金属アルミニウムを蒸着し、これに酸素ガスを導入して厚さ15nmの酸化アルミニウムを形成した。この酸化アルミニウム上に、下記に示すA液とB液とC液を配合比(wt%)70/25/5に混合した溶液をグラビアコート法により塗布して乾燥し、厚さ0.3μmのガスバリア性被膜層を形成して、ガスバリア性フィルムを作製した。
B液:ポリビニルアルコールの3wt%水/イソプロピルアルコール溶液(水:イソプロピルアルコール重量比90:10)、
C液:β−(3,4−エポキシシクロヘキシル)トリメトキシシランとイソプロピルアルコール(IPA溶液)に塩酸(1N)を徐々に加え、30分間攪拌し加水分解させた後、水/IPA=1/1溶液で加水分解を行い、固形分5wt.%(R2Si(OH)3換算)に調整した加水分解溶液。
上記例23において、ガスバリア性被膜層に印加電力350W、プラズマ密度E=600W・sec/m2の条件でリアクティブイオンエッチング(RIE)によるプラズマ処理を施した。処理ガスに酸素ガスを用い、処理ユニット圧力を2.0Paとし、自己バイアス値は650Vであった。それ以外は、例23と同様の方法で積層体を作製した。
上記例21において、ガスバリア性被膜層に対してプラズマ処理を行わなかった。それ以外は、例21と同様の方法で積層体を作製した。
上記例21において、ガスバリア性被膜層に印加電力1000W、放電量500W・min/m2の条件でコロナ放電処理を行った。それ以外は、例21と同様の方法で積層体を作製した。
上記例23において、ガスバリア性被膜層に対してプラズマ処理を行わなかった。それ以外は、例23と同様の方法で積層体を作製した。
上記例23におけるプラズマ処理の代わりに、ガスバリア性被膜層に印加電力10W、プラズマ密度E=15W・sec/m2の条件でリアクティブイオンエッチング(RIE)によるプラズマ処理を施した。処理ガスにアルゴン/酸素混合ガスを用い、処理ユニット圧力を2.0Paとし、自己バイアス値は100Vであった。それ以外は、例23と同様の方法で積層体を作製した。
上記例28におけるプラズマ処理の代わりに、ガスバリア性被膜層に印加電力250W、プラズマ密度E=1300W・sec/m2の条件でリアクティブイオンエッチング(RIE)によるプラズマ処理を施した。処理ガスにアルゴン/酸素混合ガスを用い、処理ユニット圧力を2.0Paとし、自己バイアス値は650Vであった。それ以外は、例28と同様の方法で積層体を作製した。
例21〜29において、ガスバリア性被覆層に対する前処理の前後に、X線光電子分光測定によりガスバリア性被覆層の表面分析を行った。測定に用いたX線光電子分光装置は日本電子株式会社製JPS−90MXVであり、X線源として非単色化MgKα(1253.6eV)を用い、出力100W(10kV−10mA)で測定した。C1s波形の波形分離解析にはガウシアン関数とローレンツ関数の混合関数を使用し、帯電補正はC−C結合ピークを285.0eVとして補正した。波形分離解析よりC−C結合とC−OH結合のピーク強度を求めた。前処理前の官能基比D0(C−OH/C−C)と、前処理後の官能基比D(C−OH/C−C)を求めた。また、D/D0を求めた。
例21〜29の積層体について、日本工業規格JIS K6854−3:1999「接着剤−剥離接着強さ試験方法−第3部:T型剥離」に規定されている試験方法に従ってラミネート強度を測定した。試験にはオリエンテック社テンシロン万能試験機RTC−1250を用いた。
例23のガスバリア性フィルムのガスバリア性被膜層に同様にプラズマ処理を施し、更に基材のポリエチレンテレフタレート面にも、例1と同じプラズマ処理を行った。
この積層体2枚を、CPP面を対向させ、周縁部をシールし、パウチを作り、水を充填して、レトルト殺菌処理を行った。レトルト条件は、蒸気式レトルトで120℃、120分行った。
MAH−grafted PP/(処理面)PETの間では、
レトルト前:2.4N/15mm、レトルト後:1.5N/15mm、
ガスバリア性被膜層(処理面)/MAH−grafted PPの間で、
レトルト前:1.0N/15mm、レトルト後:4.1N/15mm
であった。
Claims (4)
- ポリエチレンテレフタレートフィルムからなる基材と、
前記基材の片面に設けられた酸化アルミニウム層と、
前記酸化アルミニウム層上に、A液:テトラエトキシシランの加水分解溶液と、B液:ポリビニルアルコール溶液との混合溶液を塗布し乾燥して形成され、プラズマ処理による前処理が施されたガスバリア性被膜層であって、前記ガスバリア性被膜層の表面を、X線光電子分光法(XPS)を用いて測定した時に、前記ポリビニルアルコールの炭素−炭素結合(C−C)と炭素−水酸基結合(C−OH)の官能基比D(C−OH/C−C)が0.25以上0.87以下であるガスバリア性被膜層と、
前記ガスバリア性被膜層上に直接積層された低密度ポリエチレン層と
を有することを特徴とする積層体。 - ポリエチレンテレフタレートフィルムからなる基材と、
前記基材の片面に設けられた酸化アルミニウム層と、
前記酸化アルミニウム層上に、A液:テトラエトキシシランの加水分解溶液と、B液:ポリビニルアルコール溶液と、C液:β−(3,4−エポキシシクロヘキシル)トリメトキシシランの加水分解溶液との混合溶液を塗布し乾燥して形成され、プラズマ処理による前処理が施されたガスバリア性被膜層であって、前記ガスバリア性被膜層の表面を、X線光電子分光法(XPS)を用いて測定した時に、前記ポリビニルアルコールの炭素−炭素結合(C−C)と炭素−水酸基結合(C−OH)の官能基比D(C−OH/C−C)が0.25以上0.87以下であるガスバリア性被膜層と、
前記ガスバリア性被膜層上に直接積層された低密度ポリエチレン層と
を有することを特徴とする積層体。 - 前記酸化アルミニウム層の厚さが5〜100nmであることを特徴とする請求項1または2に記載の積層体。
- 前記ガスバリア性被膜層について、前処理後の官能基比Dと前処理前の官能基比D0との比D/D0が0.30以上0.92以下であることを特徴とする請求項1ないし3のいずれか1項に記載の積層体。
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US8618536B2 (en) | 2010-06-29 | 2013-12-31 | Panasonic Corporation | Organic light-emitting element, display panel, display device, and manufacturing method for organic light-emitting element |
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Also Published As
Publication number | Publication date |
---|---|
CN102514336B (zh) | 2014-09-03 |
CN102514336A (zh) | 2012-06-27 |
EP2060391A1 (en) | 2009-05-20 |
US20110212275A1 (en) | 2011-09-01 |
WO2008029733A1 (fr) | 2008-03-13 |
JPWO2008029733A1 (ja) | 2010-01-21 |
KR101473021B1 (ko) | 2014-12-15 |
TW200823054A (en) | 2008-06-01 |
EP3351377A1 (en) | 2018-07-25 |
US20090181244A1 (en) | 2009-07-16 |
EP2060391B1 (en) | 2020-11-04 |
EP3351377B1 (en) | 2019-08-21 |
TWI476104B (zh) | 2015-03-11 |
KR20090047517A (ko) | 2009-05-12 |
EP2060391A4 (en) | 2012-03-28 |
US8628638B2 (en) | 2014-01-14 |
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