JP2017501905A - 多層化膜、それらの製造方法、及びそれらを含む物品 - Google Patents
多層化膜、それらの製造方法、及びそれらを含む物品 Download PDFInfo
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Abstract
Description
i)ポリマー主鎖に沿った炭素原子1000個当たり0.01〜3の長鎖分岐と、
ii)I10/I2≧5.63の溶融流量比と、
iii)等式:(Mw/Mn)≦(I10/I2)−4.63により定義される分子重量分布Mw/Mnと、
iv)全体溶融破壊の発生における4×106ダイン/cm2超の臨界剪断応力、またはほぼ同じ溶融指数及びMw/Mnを有する直鎖状エチレンポリマーの表面溶融破壊の発生における臨界剪断速度よりも少なくとも50%大きい表面溶融破壊の発生における臨界剪断速度と、を有する実質的に直鎖状のエチレンポリマーである。
本実施例は、開示される多層化膜及びそれらの製造方法を示す。これらの実施例はまた、比較多層化膜を上回る本多層化膜の特性を示すためにも実行された。本膜において実行された試験は、以下で詳述される。
使用される試験方法は、254mm/分の一定伸張速度で部分的に予備剥離された膜上での180°剥離強度測定である。23℃に温度制御された室内で、全ての測定を実行した。本片を、INSTRU−MET Corporation製のINSTRON Model 1122により把持し、剥離した。空圧式把持具を備えるINSTRONを操作し、180°に2つの検体脚部を分離し、接合した領域を各脚部と90°に残し、約50mmの2つの把持具の間の最初の距離をから開始して、254mm/分の一定分離速度を使用した。各検体は75mm引っ張られる。一対当たり5つの個別の検体の応力歪み曲線を記録した。平均ピーク荷重を、剥離開始の目印と最も高い荷重の端部との間の平均接着強度として報告し、平均した。
Claims (16)
- 多層膜であって、
第1の層及び第2の層と、
結合層と、を備え、前記結合層が、前記第1の層と前記第2の層との間に配置され、前記第1の層が前記結合層の第1の表面に接して配置され、前記第2の層が前記結合層の第2の表面に接して配置され、前記第2の表面が、前記第1の表面に対向して配置され、前記結合層が、結晶ブロック複合体及びカルボキシル化オレフィンコポリマーを含む、前記多層膜。 - 前記カルボキシル化オレフィンコポリマーが、カルボキシル化エチレンコポリマーまたはカルボキシル化プロピレンコポリマーである、請求項1に記載の前記多層膜。
- 前記カルボキシル化オレフィンコポリマーが、グリシジルメタクリレートエチレンコポリマーである、請求項1に記載の前記多層膜。
- 前記カルボキシル化オレフィンコポリマーが、前記カルボキシル化オレフィンコポリマーの総重量に基づいて、0.05〜20重量%の量でカルボキシル化種を含む、請求項1に記載の前記多層膜。
- 前記結合層が、エラストマーをさらに含み、前記エラストマーが、均一に分岐したエチレン−α−オレフィンコポリマー、ポリオレフィンエラストマー、ビニル芳香族ブロックコポリマー、または前述のエラストマーのうちの少なくとも1つを含む組み合わせである、請求項1に記載の前記多層膜。
- 前記結晶ブロック複合体が、230℃及び2.16キログラムでASTM D1238に従って測定されるとき、0.1〜30dg/分の溶融流量比を有する、請求項1に記載の前記多層膜。
- 前記結晶ブロック複合体が、5〜95重量%の結晶エチレンブロック及び95〜5重量%の結晶アルファ−オレフィンブロックを含む、請求項1に記載の前記多層膜。
- 前記第1の層が、ポリプロピレンを含み、前記ポリプロピレンが、ランダムコポリマーポリプロピレン、衝撃性コポリマーポリプロピレン、高衝撃性ポリプロピレン、高溶融強度ポリプロピレン、アイソタクチックポリプロピレン、シンジオタクチックポリプロピレン、または前述のポリプロピレンのうちの少なくとも1つを含む組み合わせからなる群から選択される、請求項1に記載の前記多層膜。
- 前記第2の層が、エチレンイオノマー、アクリル酸エチレンコポリマー、またはそれらの組み合わせを含む、請求項1に記載の前記多層膜。
- 前記アクリル酸エチレンコポリマーが、アクリル酸、メタクリル酸、エタクリル酸、メチルアクリレート、エチルアクリレート、メチルメタクリレート、エチルメタクリレート、プロピルアクリレート、プロピルメタクリレート、イソプロピルアクリレート、イソプロピルメタクリレート、ブチルアクリレート、ブチルメタクリレート、イソブチルアクリレート、イソブチルメタクリレート、tert−ブチルアクリレート、tert−ブチルメタクリレート、オクチルアクリレート、オクチルメタクリレート、ウンデシルアクリレート、ウンデシルメタクリレート、オクタデシルアクリレート、オクタデシルメタクリレート、ドデシルアクリレート、ドデシルメタクリレート、2−エチルヘキシルアクリレート、2−エチルヘキシルメタクリレート、イソボルニルアクリレート、イソボルニルメタクリレート、ラウリルアクリレート、ラウリルメタクリレート、2−ヒドロキシエチルアクリレート、2−ヒドロキシエチルメタクリレート、グリシジルアクリレート、グリシジルメタクリレート、ポリ(エチレングリコール)アクリレート、ポリ(エチレングリコール)メタクリレート、ポリ(エチレングリコール)メチルエーテルアクリレート、ポリ(エチレングリコール)メチルエーテルメタクリレート、ポリ(エチレングリコール)ベヘニルエーテルアクリレート、ポリ(エチレングリコール)ベヘニルエーテルメタクリレート、ポリ(エチレングリコール)4−ノニルフェニルエーテルアクリレート、ポリ(エチレングリコール)4−ノニルフェニルエーテルメタクリレート、ポリ(エチレングリコール)フェニルエーテルアクリレート、ポリ(エチレングリコール)フェニルエーテルメタクリレート、ジメチルマレアート、ジエチルマレアート、ジブチルマレアート、ジメチルフマレート、ジエチルフマレート、ジブチルフマレート、ジメチルフマレート、酢酸ビニル、ビニルアセテート、ビニルプロピオネート、またはそれらの組み合わせとエチレンポリマーとの重合から得られる、請求項9に記載の前記多層膜。
- 前記アクリル酸エチレンコポリマーが、イオンで中和され、前記イオンが、Li、Na、K、Ag、Hg、Cu、Be、Mg、Ca、Sr、Ba、Cd、Sn、Pb、Fe、Co、Zn、Ni、Al、Sc、Hf、Ti、Zr、Ce、またはそれらの組み合わせを含む、請求項10に記載の前記多層膜。
- 前記第2の層が、金属箔を含み、前記金属箔が、アルミニウム、銅、金、またはスズを含む、請求項1に記載の前記多層膜。
- 請求項1に記載の前記多層膜を含む物品。
- 多層膜を製造する方法であって、
多層化膜であって、
第1の層及び第2の層と、
結合層と、を備える多層化膜を共押出することであって、前記結合層が、前記第1の層と前記第2の層との間に配置され、前記第1の層が前記結合層の第1の表面に接して配置され、前記第2の層が前記結合層の第2の表面に接して配置され、前記第2の表面が、前記第1の表面に対向して配置され、前記結合層が、結晶ブロック複合体及びカルボキシル化オレフィンコポリマーを含む、共押出することと、
前記多層化膜を吹込むこと、または流延すること、または押出コーティングすることと、を含む、前記方法。 - 圧延ミルで前記膜を積層することをさらに含む、請求項13に記載の前記方法。
- 圧縮型で前記膜を積層することをさらに含む、請求項13に記載の前記方法。
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EP (1) | EP3089870B1 (ja) |
JP (2) | JP2017501905A (ja) |
KR (1) | KR102311420B1 (ja) |
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BR112016014241A2 (pt) | 2017-08-08 |
TWI661937B (zh) | 2019-06-11 |
CN105848878B (zh) | 2018-06-08 |
EP3089870B1 (en) | 2018-04-25 |
EP3089870A1 (en) | 2016-11-09 |
JP2020189491A (ja) | 2020-11-26 |
CN105848878A (zh) | 2016-08-10 |
WO2015102991A1 (en) | 2015-07-09 |
JP6983957B2 (ja) | 2021-12-17 |
KR20160106612A (ko) | 2016-09-12 |
US20160325534A1 (en) | 2016-11-10 |
KR102311420B1 (ko) | 2021-10-13 |
US10486402B2 (en) | 2019-11-26 |
SG11201605238UA (en) | 2016-07-28 |
TW201538325A (zh) | 2015-10-16 |
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