JP2017522205A - ストライプ状多層フィルム - Google Patents
ストライプ状多層フィルム Download PDFInfo
- Publication number
- JP2017522205A JP2017522205A JP2016575338A JP2016575338A JP2017522205A JP 2017522205 A JP2017522205 A JP 2017522205A JP 2016575338 A JP2016575338 A JP 2016575338A JP 2016575338 A JP2016575338 A JP 2016575338A JP 2017522205 A JP2017522205 A JP 2017522205A
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- JP
- Japan
- Prior art keywords
- layer
- multilayer film
- lldpe
- ethylene
- polymer
- 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.)
- Granted
Links
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/14—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
- B32B5/142—Variation across the area of the layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/18—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
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Abstract
Description
「配合物」、「ポリマー配合物」などの用語は、2つ以上のポリマーの組成物を意味する。このような配合物は、混和性であっても混和性でなくてもよい。このような配合物は、相分離されても相分離されなくてもよい。このような配合物は、透過電子分光法、光散乱法、X線散乱法、及び当技術分野において既知の任意の他の方法から決定されるように、1つ以上のドメイン構成を含有しても含有しなくてもよい。配合物は、積層物ではなく、積層物の1層以上の層が配合物を含有してもよい。
コア成分は、層Aと層Bとの10〜50,000層の交互ストライプを含む。「ストライプ」(または「ストライプ状」)という用語は、フィルム層がフィルムの幅寸法に沿って並んで配置される多層フィルム構造である。ストライプ状多層フィルムは、「積層型」層構造を有する多層フィルムとは異なり、これを除外する。図1は、積層型層構造を有する多層フィルムを示す。積層型層は、図1の多層フィルム構造の幅寸法Wに沿って、互いの上部に配置されたものである。積層型多層フィルムを平面図から眺めるとき、単一のフィルム層(すなわち、最上部のフィルム層)のみが見える。図2は、ストライプ状層構造を有する多層フィルムを示す。ストライプ状層は、図2のフィルムの幅寸法Wに沿って並んで配置される。ストライプ状多層フィルムを平面図から眺めるとき、複数のフィルム層が見える。図3は、押出機を出るストライプ状多層フィルムを示す。
本多層フィルムのコア成分は、層Aと層Bとの10〜50,000層の交互ストライプを含む。層Aは、1つ以上のフィルム材料からなる。「フィルム材料」は、所望のフィルム特性をコア成分に付与するポリマーである。フィルム特性の非限定的な例としては、引張(強度、伸長)、衝撃(強度、耐性)、引裂き(エルメンドルフ)、及びそれらの組合せが挙げられる。
本多層フィルムのコア成分は、層Aと層Bとの10〜50,000層の交互ストライプを含む。層Bは、1つ以上の輸送材料からなる。「輸送材料」は、50vol%の層Bを有する1ミルの多層フィルムについて50g−ミル/m2/日超のWVTR及び50,000cc−ミル/m2/日/気圧超のCO2TRをコア成分に付与するポリマーである。
コア成分は、任意の層Cを含んでもよい。実施形態において、本多層フィルムのコア成分は、層Aと、層Bと、層Cとの10〜50,000層の交互ストライプを含む。層Cは、1つ以上の結合材料からなる。「結合材料」は、層Aと層Bとの間の接着力を向上させるポリマーである。層A、B、及びCは、A−B、A−B−C、A−B−A−C、A−B−C−A、A−B−B−Cなどを含む、任意の所望の順序で配置してもよいが、これらに限定されない。
実施形態において、層A、層B、及び層Cのうちの1つ、いくつか、またはすべてを粒子状充填材料で充填することができる。実施形態において、層Aは充填されてもよい。例えば、層Aは、第1のLLDPEと、第2のLLDPE(第1のLLDPEとは異なる)と、LLDPEエチレン系ポリマー(例えば、第1のLLDPE及び第2のLLDPEとは異なる第3のLLDPE)と粒子状充填材料とである複合物との配合物であってもよい。
本多層フィルムのコア成分は、層Aと、層Bと、層Cとの10〜100,000層の交互ストライプを含む。
(i)50、または100、または150、または200、または250〜300、または350、または400、または450、または500g−ミル/m2/24時間の水蒸気透過率(WVTR)、及び
(ii)50,000、または10,000、または150,000〜200,000、または250,000、または300,000cc−ミル/m2/24時間/気圧の二酸化炭素透過率(CO2TR)。
実施形態において、多層フィルムは、少なくとも1層のスキン層を含む。さらなる実施形態において、多層フィルムは、2層のスキン層を含む。このスキン層は、最外層であり、コア成分の両側に1つのスキン層がある。スキン層は、互いに対向して、コア成分を挟む。スキン層は、ストライプ状層または積層型層であり得る。実施形態において、スキン層は、ストライプ状の層である。個々のスキン層それぞれの組成は、他のスキン層と同じであっても異なっていてもよい。スキン層として使用することができる好適なポリマーの非限定的な例としては、エチレン系ポリマー、プロピレン系ポリマー、ポリエチレンオキシド、ポリカプロラクトン、ポリアミド、ポリエステル、ポリエステルのコポリマー、ポリフッ化ビニリデン、ポリスチレン、ポリカーボネート、ポリメチルメタクリレート、ポリアミド、エチレン−co−アクリル酸コポリマー、ポリオキシメチレン、及びこれらのうちの2つ以上の配合物、ならびにこれらのうちの1つ以上を含む他のポリマーとの配合物が挙げられる。
スキン層は、コア成分(介在層ではない)と直接接触してもよい。あるいは、多層フィルムは、各スキン層とコア成分との間に1層以上の介在層を含んでもよい。本多層フィルムは、任意の付加層を含んでもよい。任意の層は、コア成分とスキン層との間に位置する介在層(または内側層)であってもよい。このような介在層(または内側層)は、単一、繰り返し、または規則的な繰り返し層であってもよい。このような任意の層は、十分な接着性を有し(または提供する)、所望の特性をフィルムまたはシート、例えば、結合層、低バリア層、スキン層などに提供する材料を含むことができる。
本多層フィルムは、独立型フィルムであり得、または別のフィルム、積層体、シート、もしくは物品の成分であり得る。
(i)50、または100、または150、または200、または250〜300、または350、または400、または450、または500g−ミル/m2/24時間の水蒸気透過率(WVTR)、及び
(ii)50,000、または10,000、または150,000〜200,000、または250,000、または300,000cc−ミル/m2/24時間/気圧の二酸化炭素(CO2)透過率。
本開示は、物品を提供する。実施形態において、本多層フィルムは、物品の成分である。好適な物品の非限定的な例としては、積層構造体、ダイ成形品、熱成形品、真空成形品、または圧力成形品が挙げられる。他の物品は、管、パリソン、及び吹込成形品、例えば瓶または他の容器を含む。
密度をASTM D 792に従って測定する。
Claims (13)
- 多層フィルムであって、
層Aと層Bとの10〜50,000層の交互ストライプを含む、コア成分を含み、
層Aが、10μm〜10mmの幅を有し、フィルム材料を含み、
層Bが、10μm〜10mmの幅を有し、輸送材料を含み、
前記コア成分が、50,000〜300,000cc−ミル/m2/24時間/気圧のCO2透過速度(CO2TR)及び50〜500g−ミル/m2/24時間の水透過速度(WVTR)を有する、多層フィルム。 - 前記層Aのフィルム材料が、エチレン系ポリマー、エチレン系ポリマーと粒子状充填材料との複合物、酢酸エチレンポリマー、及びそれらの組合せからなる群から選択されるポリマーである、請求項1に記載の多層フィルム。
- 前記層Aのフィルム材料が、第1の直鎖状低密度ポリエチレン(LLDPE)及び第2の直鎖状低密度ポリエチレン(LLDPE)を含む、請求項1または2に記載の多層フィルム。
- 前記層Aのフィルム材料が、(i)エチレン系ポリマーと粒子状充填材料との複合物と、(ii)少なくとも1つの直鎖状低密度ポリエチレン(LLDPE)と、の配合物を含む、請求項1〜3のいずれか一項に記載の多層フィルム。
- 前記層Aのフィルム材料が、(i)エチレン系ポリマーと粒子状充填材料との複合物と、(ii)第1の直鎖状低密度ポリエチレン(LLDPE)と、(iii)第2のLLDPEと、の配合物を含む、請求項1〜4のいずれか一項に記載の多層フィルム。
- 前記層Bの輸送材料が、ブロックポリエーテルアミド、エチレン酢酸ビニルポリマー、及びそれらの組合せからなる群から選択されるポリマーである、請求項1〜5のいずれか一項に記載の多層フィルム。
- 前記層Aのフィルム材料が、直鎖状低密度ポリエチレン(LLDPE)を含み、前記層Bの輸送材料が、ブロックポリエーテルアミドを含む、請求項1〜6のいずれか一項に記載の多層フィルム。
- 層Aと層Bとの体積比が、85:15〜10:90である、請求項1〜7のいずれか一項に記載の多層フィルム。
- 前記コア成分が、層Aと層Bとの20〜200層の交互層を含む、請求項1〜8のいずれか一項に記載の多層フィルム。
- 少なくとも1層のスキン層を含む、請求項1〜9のいずれか一項に記載の多層フィルム。
- 前記スキン層が、(i)エチレン系ポリマーと粒子状充填材料との複合物と、(ii)第1の直鎖状低密度ポリエチレン及び第2の直鎖状低密度ポリエチレンと、の配合物を含む、請求項10に記載の多層フィルム。
- 前記コア成分が、層Aと、層Bと、層Cとの10〜50,000層の交互ストライプを含み、
層Cが、10μm〜10mmの幅を有し、結合材料を含む、請求項1〜11のいずれか一項に記載の多層フィルム。 - 請求項1〜12のいずれか一項に記載の多層フィルムを含む物品。
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JP2016575338A Expired - Fee Related JP6539680B2 (ja) | 2014-06-30 | 2015-06-29 | ストライプ状多層フィルム |
Country Status (8)
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US (1) | US20180215121A1 (ja) |
EP (1) | EP3160730A1 (ja) |
JP (1) | JP6539680B2 (ja) |
KR (1) | KR20170027738A (ja) |
CN (1) | CN106470831B (ja) |
AU (1) | AU2015284365B2 (ja) |
BR (1) | BR112016029789A2 (ja) |
WO (1) | WO2016003899A1 (ja) |
Families Citing this family (6)
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NL2024761B1 (en) | 2019-06-12 | 2021-01-21 | Perfo Tec B V | Package for preserving respiring produce and method |
AU2020292104A1 (en) | 2019-06-12 | 2022-01-27 | Perfo Tec B.V. | Package for preserving respiring produce and method |
AU2021316168A1 (en) * | 2020-07-31 | 2023-02-09 | Berry Global, Inc. | Multilayer film |
NL2027105B1 (en) | 2020-12-14 | 2022-07-08 | Perfo Tec B V | Package for preserving respiring produce and method |
NL2027106B1 (en) | 2020-12-14 | 2022-07-08 | Perfo Tec B V | Package comprising a tray for preserving respiring produce and method |
NL2029437B1 (en) | 2021-10-15 | 2023-05-16 | Perfo Tec B V | Package for preserving respiring produce and method |
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JPS5822135A (ja) * | 1981-07-31 | 1983-02-09 | Dainippon Printing Co Ltd | 遮光板の製造方法 |
JPH1086966A (ja) * | 1996-09-11 | 1998-04-07 | Honda Motor Co Ltd | 金属製品包装用フィルム |
JP2003524662A (ja) * | 1998-03-18 | 2003-08-19 | キンバリー クラーク ワールドワイド インコーポレイテッド | 区分化された通気性フィルム |
WO2015153993A1 (en) * | 2014-04-03 | 2015-10-08 | 3M Innovative Properties Company | Apertured film and method of making an apertured film with a laser |
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US6245401B1 (en) * | 1999-03-12 | 2001-06-12 | Kimberly-Clark Worldwide, Inc. | Segmented conformable breathable films |
TWI385107B (zh) * | 2005-10-24 | 2013-02-11 | Dow Global Technologies Llc | 薄膜、由該薄膜所製備的包裝及其使用方法 |
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WO2010002837A1 (en) * | 2008-07-01 | 2010-01-07 | Dow Global Technologies Inc. | Films, articles prepared therefrom, and methods of making the same |
US8623481B2 (en) * | 2012-02-10 | 2014-01-07 | Multisorb Technologies, Inc. | Film with oxygen absorbing regions |
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2015
- 2015-06-29 WO PCT/US2015/038307 patent/WO2016003899A1/en active Application Filing
- 2015-06-29 EP EP15734549.7A patent/EP3160730A1/en not_active Withdrawn
- 2015-06-29 JP JP2016575338A patent/JP6539680B2/ja not_active Expired - Fee Related
- 2015-06-29 US US15/322,500 patent/US20180215121A1/en not_active Abandoned
- 2015-06-29 CN CN201580033342.6A patent/CN106470831B/zh not_active Expired - Fee Related
- 2015-06-29 KR KR1020167036815A patent/KR20170027738A/ko unknown
- 2015-06-29 BR BR112016029789A patent/BR112016029789A2/pt not_active Application Discontinuation
- 2015-06-29 AU AU2015284365A patent/AU2015284365B2/en not_active Ceased
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JPS5822135A (ja) * | 1981-07-31 | 1983-02-09 | Dainippon Printing Co Ltd | 遮光板の製造方法 |
JPH1086966A (ja) * | 1996-09-11 | 1998-04-07 | Honda Motor Co Ltd | 金属製品包装用フィルム |
JP2003524662A (ja) * | 1998-03-18 | 2003-08-19 | キンバリー クラーク ワールドワイド インコーポレイテッド | 区分化された通気性フィルム |
WO2015153993A1 (en) * | 2014-04-03 | 2015-10-08 | 3M Innovative Properties Company | Apertured film and method of making an apertured film with a laser |
JP2017512870A (ja) * | 2014-04-03 | 2017-05-25 | スリーエム イノベイティブ プロパティズ カンパニー | セグメント化されたフィルム及びその製造方法 |
JP2017512869A (ja) * | 2014-04-03 | 2017-05-25 | スリーエム イノベイティブ プロパティズ カンパニー | 有孔フィルム及びレーザによる有孔フィルムの作製方法 |
Also Published As
Publication number | Publication date |
---|---|
BR112016029789A2 (pt) | 2017-08-22 |
AU2015284365B2 (en) | 2019-05-02 |
EP3160730A1 (en) | 2017-05-03 |
JP6539680B2 (ja) | 2019-07-03 |
AU2015284365A1 (en) | 2017-02-02 |
WO2016003899A1 (en) | 2016-01-07 |
CN106470831B (zh) | 2020-04-14 |
US20180215121A1 (en) | 2018-08-02 |
CN106470831A (zh) | 2017-03-01 |
KR20170027738A (ko) | 2017-03-10 |
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