JP6994518B2 - 積層体に使用するためのポリマーブレンド、積層体、および物品 - Google Patents
積層体に使用するためのポリマーブレンド、積層体、および物品 Download PDFInfo
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Description
本発明の実施形態によるポリマーブレンドは、本明細書で特定されるある特定の特徴を有する、エチレン、アルキルアクリレート(アルキルアクリレートがメチルアクリレートまたはブチルアクリレートである)、およびグリシジルメタクリレートを含むターポリマーと、本明細書で特定されるある特定の特徴を有する、エチレン、ならびにメチルアクリレートおよびエチルアクリレートの少なくとも一方を含むコポリマーと、を含む。参照を容易にするために、エチレン、アルキルアクリレート(アルキルアクリレートがメチルアクリレートまたはブチルアクリレートである)、およびグリシジルメタクリレートを含むターポリマーは、エチレン、メチルアクリレート、およびグリシジルメタクリレートを含む場合、本明細書で「E-AA-GMAターポリマー」または「E-MA-GMAターポリマー」とも称され、エチレン、ブチルアクリレート、およびグリシジルメタクリレートを含む場合、本明細書で「E-BA-GMAターポリマー」とも称される。文脈から一方のみが明らかに適用可能である場合を除いて、E-AA-GMAターポリマーがE-MA-GMAターポリマーおよびE-BA-GMAターポリマーの両方を指すことを理解されたい。加えて、参照を容易にするために、いくつかのかかるコポリマーがメチルアクリレートモノマーおよびエチルアクリレートモノマーの両方を含み得るという理解の下で、エチレンと、メチルアクリレートおよびエチルアクリレートの少なくとも一方とを含むコポリマーは、本明細書で「エチレン/(メ)エチルアクリレートコポリマー」とも称される。
本発明のいくつかの実施形態は、積層体にも関する。いくつかのかかる実施形態では、積層体は、各層が対向する表面を有する、少なくとも3つの層を含む。A層およびC層は、ポリエチレンテレフタレート(PET)を含み、B層は、本明細書に開示される実施形態のうちのいずれかによるポリマーブレンドを含む。発明ポリマーブレンドを含むB層は、A層とC層との間の接着剤層であり、A層をC層に接着させて、積層体を形成する。本発明のいくつかの実施形態によるポリマーブレンドは、PET外層を有するPETフィルムおよび/または多層フィルムを有利に接着させて、積層体を形成する。かかる実施形態では、本明細書の教示に基づいて当業者に既知のいずれのポリエチレンテレフタレートも使用され得る。
本発明の実施形態は、本明細書に記載の積層体のうちのいずれかから形成された物品も提供する。かかる物品の例としては、パッケージ、フレキシブルパッケージ、ポーチ、電子機器、電化製品、衣類等が挙げられ得る。いくつかの実施形態では、本発明のパッケージは、液体、粉末、食品、または他の品目を含み得る。本発明の物品およびパッケージは、本明細書の教示を考慮して当業者に既知の技法を使用して本明細書に開示される積層体から形成され得る。
Claims (10)
- 接着剤組成物であって、
(a)エチレン、アルキルアクリレート、およびグリシジルメタクリレートを含むターポリマーであって、前記ターポリマーの重量に基づいて5~30重量パーセントのアルキルアクリレート含有量を有し、かつ前記ターポリマーの重量に基づいて1~10重量パーセントのグリシジルメタクリレート含有量を有し、ターポリマー(a)の量が、前記接着剤組成物の総重量に基づいて前記接着剤組成物の13重量%より多く50重量パーセント以下を構成し、前記アルキルアクリレートが、メチルアクリレートまたはブチルアクリレートである、ターポリマーと、
(b)エチレン、ならびにメチルアクリレートおよびエチルアクリレートの少なくとも一方を含むコポリマーであって、前記コポリマーの重量に基づいて5~30重量パーセントのアクリレート含有量を有し、コポリマー(b)の量が、前記接着剤組成物の総重量に基づいて前記接着剤組成物の50~90重量パーセントを構成する、コポリマーと、を含み、
ターポリマー(a)およびコポリマー(b)の量が、前記接着剤組成物の総重量に基づいて前記接着剤組成物の少なくとも80重量パーセントである、接着剤組成物。 - ターポリマー(a)中の前記アルキルアクリレートが、メチルアクリレートである、請求項1に記載の接着剤組成物。
- ターポリマー(a)のコポリマー(b)に対するメルトインデックス(I2)比(ターポリマー(a)のI2/コポリマー(b)のI2)が、2を超える、請求項1または請求項2に記載の接着剤組成物。
- コポリマー(b)が、エチレンおよびエチルアクリレートを含み、前記接着剤組成物が、各々前記接着剤組成物の総重量に基づいて、4~30重量パーセントのメチルアクリレート、13重量パーセント未満のエチルアクリレート、および3重量パーセント未満のグリシジルメタクリレートを含むか、またはコポリマー(b)が、エチレンおよびメチルアクリレートを含み、前記接着剤組成物が、各々前記接着剤組成物の総重量に基づいて、4~30重量パーセントのメチルアクリレート、13重量パーセント未満のエチルアクリレート、および3重量パーセント未満のグリシジルメタクリレートを含む、請求項1~3のいずれかに記載の接着剤組成物。
- 0.910g/cm3以下の密度を有するポリオレフィンをさらに含む、請求項1~4のいずれかに記載の接着剤組成物。
- 前記接着剤組成物が、前記接着剤組成物の総重量に基づいて、10~20重量パーセントのターポリマー(a)、70~90重量パーセントのコポリマー(b)、および0~10重量パーセントの前記ポリオレフィンを含む、請求項1~5のいずれかに記載の接着剤組成物。
- 各層が対向する表面を有する、少なくとも3つの層を含む積層体であって、
A層が、ポリエチレンテレフタレートを含み、
B層が、請求項1~6のいずれかに記載の接着剤組成物を含み、B層の上表面が、A層の底表面と接着接触しており、
C層が、ポリエチレンテレフタレートを含み、
C層の上表面が、B層の底表面と接着接触している、積層体。 - A層およびC層の少なくとも一方が、単層フィルムである、請求項7に記載の積層体。
- A層およびC層の少なくとも一方が、多層フィルムであり、かかる多層フィルムの最外層が、B層と接着接触しているポリエチレンテレフタレート層である、請求項7に記載の積層体。
- 請求項7~9のいずれかに記載の積層体を含む物品。
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PCT/CN2017/087859 WO2018227323A1 (en) | 2017-06-12 | 2017-06-12 | Polymer blends for use in laminates, laminates, and articles |
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JP2020530037A JP2020530037A (ja) | 2020-10-15 |
JP6994518B2 true JP6994518B2 (ja) | 2022-01-14 |
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US (1) | US20200095409A1 (ja) |
EP (1) | EP3638506B1 (ja) |
JP (1) | JP6994518B2 (ja) |
CN (1) | CN110709242B (ja) |
AR (1) | AR112129A1 (ja) |
BR (1) | BR112019024847B1 (ja) |
MX (1) | MX2019014189A (ja) |
WO (1) | WO2018227323A1 (ja) |
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FR3130285A1 (fr) * | 2021-12-09 | 2023-06-16 | Sk Geo Centric Co., Ltd. | Composition de polymère de faible fluidité contenant un copolymère abs et un terpolymère et procédé de réduction de la fluidité d'un copolymère abs |
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JP2006522209A (ja) | 2003-04-04 | 2006-09-28 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | アスファルト用のポリマー改質剤としての、管形反応器で製造されたエチレン/アルキルアクリレートコポリマー |
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JP4965018B2 (ja) * | 2000-01-11 | 2012-07-04 | 三井・デュポンポリケミカル株式会社 | 熱可塑性樹脂組成物、その製法及びその用途 |
DE50013618D1 (de) * | 2000-07-25 | 2006-11-23 | Huber+Suhner Ag | Abdichtungsbahnen für das Bauwesen sowie Verfahren zu deren Herstellung und Verwendung |
CN100532443C (zh) * | 2004-01-08 | 2009-08-26 | 纳幕尔杜邦公司 | 包含乙烯共聚物和聚烯烃的组合物 |
US7695822B2 (en) * | 2005-05-10 | 2010-04-13 | Toray Plastics (America), Inc. | Tie-layer for polyolefin films |
EP2270077A1 (en) * | 2008-04-09 | 2011-01-05 | Asahi Kasei E-materials Corporation | Sealing resin sheet |
US20100269890A1 (en) * | 2009-04-23 | 2010-10-28 | Christopher John Koch | Polymeric Encapsulants for Photovoltaic Modules and Methods of Manufacture |
EP2432832A1 (en) * | 2009-05-19 | 2012-03-28 | Specialized Technology Resources, Inc | Encapsulant compositions, methods of manufacture and uses thereof |
EP2371735A1 (de) * | 2010-03-31 | 2011-10-05 | Amcor Flexibles Kreuzlingen Ltd. | Verpackungsfolie |
FR3022545B1 (fr) * | 2014-06-18 | 2016-06-24 | Arkema France | Encapsulant d'un module photovoltaique |
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2017
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- 2017-06-12 JP JP2019566074A patent/JP6994518B2/ja active Active
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- 2017-06-12 US US16/607,621 patent/US20200095409A1/en not_active Abandoned
- 2017-06-12 CN CN201780091170.7A patent/CN110709242B/zh active Active
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JP2006522209A (ja) | 2003-04-04 | 2006-09-28 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | アスファルト用のポリマー改質剤としての、管形反応器で製造されたエチレン/アルキルアクリレートコポリマー |
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JP2020530037A (ja) | 2020-10-15 |
CN110709242A (zh) | 2020-01-17 |
CN110709242B (zh) | 2022-03-25 |
EP3638506B1 (en) | 2024-05-01 |
MX2019014189A (es) | 2020-02-03 |
US20200095409A1 (en) | 2020-03-26 |
EP3638506A4 (en) | 2020-12-23 |
EP3638506A1 (en) | 2020-04-22 |
BR112019024847B1 (pt) | 2022-07-26 |
BR112019024847A2 (pt) | 2020-06-09 |
AR112129A1 (es) | 2019-09-25 |
WO2018227323A1 (en) | 2018-12-20 |
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