JP4634804B2 - 水分および気体浸透性、非多孔性イオノマーフィルム - Google Patents
水分および気体浸透性、非多孔性イオノマーフィルム Download PDFInfo
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Description
本出願は、2002年11月12日出願の米国特許仮出願第60/425,604号明細書の利益を主張する。
(A)内部層が、少なくとも約500cc.ミル/m2.Dの酸素透過速度(OTR)と、少なくとも約1200g.ミル/m2.Dの水蒸気透過速度(MVTR)とを有するフィルムであって、(i)約50重量%〜約95重量%の量で存在するエチレン酸コポリマーイオノマーと、(ii)少なくとも約5重量%の有機酸塩とのブレンドを含むフィルムを含み、そして
(B)外部不浸透性フィルム層が、(a)ポリアミドもしくはそれらの混合物、ポリエステルまたはそれらの混合物、エチレンビニルアルコールコポリマー、ポリ塩化ビニリデン、ポリオレフィンまたはこれらの任意の混合物よりなる群のポリマーから選択されるポリマーを含む少なくとも1つのポリマー層と、(b)任意選択的に少なくとも1つの結合層とを含む、単層フィルムであるか、あるいは積層または多層フィルムである、積層フィルムである。
本発明のフィルムの第2の必須成分は、不浸透性外部層である。本発明の不浸透性層は、ポリアミド、ポリエステル、ポリオレフィン、無水物変性エチレンホモ−およびコ−ポリマーよりなる群のポリマーから選択されるポリマーの少なくとも1層を含む。任意選択的に、ポリエチレンビニルアルコールまたはポリ塩化ビニリデンから選択される第2のバリアポリマーが、本発明の積層フィルムに含まれてよい。
以下に、本発明の好ましい態様を示す。
[1] 少なくとも約5000cc.ミル/m2.Dの酸素透過速度(OTR)と、少なくとも約25g.ミル/m2.Dの水蒸気透過速度(MVTR)とを有するフィルムであって、(i)約50重量%〜約95重量%の量で存在するエチレン酸コポリマーイオノマーと、(ii)少なくとも約5重量%の有機酸塩とのブレンドを含むことを特徴とするフィルム。
[2] 前記有機酸塩が、少なくとも約10重量%の量で存在することを特徴とする[1]に記載のフィルム。
[3] 前記有機酸塩が、少なくとも約20重量%の量で存在することを特徴とする[2]に記載のフィルム。
[4] 前記有機酸塩が、少なくとも約30重量%の量で存在することを特徴とする[3]に記載のフィルム。
[5] 前記有機酸塩が、約50重量%までの量で存在することを特徴とする[4]に記載のフィルム。
[6] 前記有機酸塩が、36個以下の炭素原子を有することを特徴とする[5]に記載のフィルム。
[7] 前記有機酸塩が、12個〜36個の炭素原子を有することを特徴とする[6]に記載のフィルム。
[8] (1)前記塩が、カプロン酸、カプリル酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、エルカ酸およびベヘン酸、ならびにそれらの異性体よりなる群から選択される酸の塩であり、そして(2)対イオンが、アルカリ金属、遷移金属およびアルカリ土類金属よりなる群の金属から誘導される少なくとも1つの金属イオンであることを特徴とする[7]に記載のフィルム。
[9] 前記酸が、カプロン酸、カプリル酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、エルカ酸およびベヘン酸の異性体よりなる群から選択され、そして金属対イオンがカリウムイオンであることを特徴とする[8]に記載のフィルム。
[10] 前記酸が、ステアリン酸およびオレイン酸の異性体よりなる群から選択されることを特徴とする[9]に記載のフィルム。
[11] 前記酸が、ステアリン酸およびオレイン酸の分枝鎖異性体よりなる群から選択されることを特徴とする[10]に記載のフィルム。
[12] 前記酸がイソステアリン酸であることを特徴とする[11]に記載のフィルム。
[13] 前記フィルムが、少なくとも約100のOTRを有することを特徴とする[12]に記載のフィルム。
[14] 少なくとも約500のOTRを有することを特徴とする[13]に記載のフィルム。
[15] 少なくとも約3000〜約25,000のOTRを有することを特徴とする[14]に記載のフィルム。
[16] 少なくとも約100のMVTRを有することを特徴とする[12]に記載のフィルム。
[17] 少なくとも約200のMVTRを有することを特徴とする[16]に記載のフィルム。
[18] 少なくとも約500のMVTRを有することを特徴とする[17]に記載のフィルム。
[19] 少なくとも約750のMVTRを有することを特徴とする[18]に記載のフィルム。
[20] 少なくとも約1000のMVTRを有することを特徴とする[19]に記載のフィルム。
[21] 少なくとも約1200のMVTRを有することを特徴とする[20]に記載のフィルム。
[22]少なくとも約1500のMVTRを有することを特徴とする[21]に記載のフィルム。
[23] 少なくとも約2500のMVTRを有することを特徴とする[22]に記載のフィルム。
[24] 少なくとも約10,000のMVTRを有することを特徴とする[23]に記載のフィルム。
[25] 液体吸収性内部層と、不浸透性外部層とを含む積層フィルムであって、前記吸収性層が、[21]に記載のフィルムを含み、および前記外部不浸透性フィルム層が、(a)ポリアミドもしくはそれらの混合物、エチレンビニルアルコールコポリマー、ポリ塩化ビニリデン、ポリオレフィンまたはこれらの任意の混合物よりなる群のポリマーから選択されるポリマーを含む少なくとも1つのポリマー層と、(b)任意選択的に少なくとも1つの結合層とを含む、単層フィルムであるか、あるいは積層または多層フィルムであることを特徴とする積層フィルム。
イオノマー1は、エチレンと、アクリル酸n−ブチル(23.5重量%)と、メタクリル酸(9重量%)とを含み、水酸化ナトリウムを使用してナトリウムによって52%(名目上)まで中和され、1のメルトインデックスを有する、ターポリマーである。
Claims (2)
- 少なくとも5000cc . ミル/m 2. Dの酸素透過速度(OTR)と、少なくとも25g . ミル/m 2. Dの水蒸気透過速度(MVTR)とを有するフィルムであって、(i)50重量%〜95重量%の量で存在するエチレン酸コポリマーイオノマーと、(ii)少なくとも5重量%から50重量%までの有機酸塩とのブレンドを含み、該エチレン酸コポリマーイオノマーおよび該有機酸塩の重量パーセントは、該エチレン酸コポリマーイオノマーおよび該有機酸塩の総重量を基準とすることを特徴とするフィルム。
- 液体吸収性内部層と、不浸透性外部層とを含む積層フィルムであって、
前記液体吸収性内部層が、少なくとも5000cc . ミル/m 2. Dの酸素透過速度(OTR)と、少なくとも1200g . ミル/m 2. Dの水蒸気透過速度(MVTR)とを有するフィルムであって、(i)50重量%〜95重量%の量で存在するエチレン酸コポリマーイオノマーと、(ii)少なくとも5重量%から50重量%までの有機酸塩とのブレンドを含み、前記有機酸塩が、対イオンが、アルカリ金属、遷移金属およびアルカリ土類金属よりなる群の金属から誘導される少なくとも1つの金属イオンであるイソステアリン酸の塩であるフィルムを含み、
該エチレン酸コポリマーイオノマーおよび該有機酸塩の重量パーセントは、該エチレン酸コポリマーイオノマーおよび該有機酸塩の総重量を基準とし、および
前記不浸透性外部層が、(a)ポリアミドもしくはそれらの混合物、エチレンビニルアルコールコポリマー、ポリ塩化ビニリデン、ポリオレフィンまたはこれらの任意の混合物よりなる群のポリマーから選択されるポリマーを含む少なくとも1つのポリマー層と、(b)任意選択的に少なくとも1つの結合層とを含む、単層フィルムであるか、あるいは積層または多層フィルムである
ことを特徴とする積層フィルム。
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US42560402P | 2002-11-12 | 2002-11-12 | |
US10/704,935 US7045566B2 (en) | 2002-11-12 | 2003-11-11 | Moisture and gas permeable non-porous ionomeric films |
PCT/US2003/036165 WO2004043155A2 (en) | 2002-11-12 | 2003-11-12 | Moisture and gas permeable non-porous ionomeric films |
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JP (1) | JP4634804B2 (ja) |
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US20070078223A1 (en) * | 2005-09-30 | 2007-04-05 | Chen John C | Compositions and structures having tailored oxygen transmission |
WO2008082975A1 (en) * | 2006-12-29 | 2008-07-10 | Dow Global Technologies Inc. | Compositions |
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BRPI0910190A2 (pt) | 2008-07-02 | 2016-01-19 | Dow Global Technologies Inc | película, bolsa de película e composição |
WO2010051525A1 (en) * | 2008-10-31 | 2010-05-06 | E. I. Du Pont De Nemours And Company | High clarity laminated articles comprising an ionomer interlayer |
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WO2004043155A3 (en) | 2004-07-01 |
WO2004043156A3 (en) | 2004-08-12 |
AU2003287714A1 (en) | 2004-06-03 |
DE60320129D1 (de) | 2008-05-15 |
WO2004043155A2 (en) | 2004-05-27 |
JP2006509848A (ja) | 2006-03-23 |
BR0315476A (pt) | 2005-08-23 |
US7045566B2 (en) | 2006-05-16 |
US20050037216A1 (en) | 2005-02-17 |
CN1711027B (zh) | 2010-05-26 |
EP1560495B1 (en) | 2008-04-02 |
CN1711027A (zh) | 2005-12-21 |
DE60320129T2 (de) | 2009-06-18 |
EP1560495A2 (en) | 2005-08-10 |
WO2004043156A2 (en) | 2004-05-27 |
AU2003295490A1 (en) | 2004-06-03 |
MXPA05005024A (es) | 2005-08-03 |
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