JP2008534326A - ブロッキング防止バリア複合体 - Google Patents
ブロッキング防止バリア複合体 Download PDFInfo
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- JP2008534326A JP2008534326A JP2008504080A JP2008504080A JP2008534326A JP 2008534326 A JP2008534326 A JP 2008534326A JP 2008504080 A JP2008504080 A JP 2008504080A JP 2008504080 A JP2008504080 A JP 2008504080A JP 2008534326 A JP2008534326 A JP 2008534326A
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Abstract
Description
本発明は、食品および種子製品を含む、様々な水分および/または酸素に感受性のある製品のための包装材料に使用するのに適した多層複合体、およびかかる複合体を作製する方法に関する。
本発明の他の特徴、および利点は、以下の説明および添付図面から明らかとなる。
本発明の一態様によるバリア複合体の一例を図1に示す。複合体10は、第1の非印刷面20および第2の印刷面25を有する基材15を含んでいる。第1の面20は、ホールドアウト・コーティング30およびブロッキング防止特性を有するバリア層35を備えている。基材15の第2の面25は、プリント・コーティング40およびブロッキング防止コーティング45を備えている。
また本発明は、ブロッキングの低減したバリア複合体を形成する方法についても企図している。特に、本発明はブロッキング防止特性を有する紙バリア複合体の形成方法について企図している。この複合体は、プレミアム包装または他の高品質印刷用途に使用することができる。図3に概要を示す一態様において、方法100は、印刷面と非印刷面を有する紙基材を用意すること110と、非印刷面にホールドアウト・コーティングを塗布すること120と、ホールドアウト・コーティング上にブロッキング防止特性を有するバリア層を形成すること130と、紙の印刷面にブロッキング防止コーティングを塗布すること140とを含む。次いで、複合体を、ロールに巻くこと150ができる。
水蒸気透過速度(WVTR)の全ての測定は、その全体を参照により本明細書に援用するASTM F 1249−90(1995年再承認)表題「Water Vapor Trsnsmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared.Sensor」を使用して行った。
約1.3%のELVANOL 51−05 PVOHおよび約25%のDARAN8730を含む約6乾燥ポンド/リームのホールドアウト・コーティングを、紙の非光沢面に塗布し乾燥した。次いで、バリア層組成物を、約5乾燥ポンド/リームの量をホールドアウト・コーティング上に塗布した。バリア層組成物は、約5ポンド/リームのDARAN8730、約0.1ポンド/リームのLudox TM−50および約0.05ポンド/リームのMichemlube160を含んでいた。
使用した基材は、40ポンド/リームまたは35ポンド/リームのStora Enso印刷紙であった。紙は、光沢のあるクレー・コートを有する面をブレード被覆し、反対側の光沢のない面を抄紙機上でスターチ・コートした。
一面をブレード被覆し、反対側の面を光沢のないスターチ・コーティングした光沢のあるクレー・コートを有する34#/リームDunn UltraIl紙を基材として使用した。
Claims (20)
- (a)ブロッキング防止特性を有し、紙の第1の面を実質的に覆うポリマー層と、
(b)前記紙の第2の面を実質的に覆うブロッキング防止コーティングとを含むことを特徴とするバリア紙。 - 前記ポリマー層が、ポリ塩化ビニリデン、エチレンビニルアルコール、またはポリビニルアルコールを含む、請求項1に記載のバリア紙。
- 前記ポリマー層が、シリカ、ワックス、またはこれらの組合せを更に含む、請求項2に記載のバリア紙。
- 前記ブロッキング防止コーティングが、シリカ、ワックス、またはこれらの組合せを含む、請求項1に記載のバリア紙。
- 前記ブロッキング防止コーティングが、結合剤中に無機微粒子を有するプリント・コーティング上に重なっている、請求項1に記載のバリア紙。
- バリア特性を有する複合体であって、
(a)第1の面と第2の面を有し、前記第1の面がその上にホールドアウト・コーティングを有し、前記第2の面がその上にプリント・コーティングを有する紙基材と、
(b)前記ホールドアウト・コーティング上に重なるバリア層と、
(c)前記プリント・コーティング上に重なるブロッキング防止コーティングとを含むことを特徴とする複合体。 - 前記ブロッキング防止コーティングが、コロイドシリカおよび場合によってワックスを含む、請求項6に記載の複合体。
- 前記ブロッキング防止コーティングが、コロイドシリカ、ワックスまたはこれらの組合せを含む、請求項6に記載の複合体。
- 前記ブロッキング防止コーティングが、紙基材に対して約0.001ポンド/リーム(lb/ream)から約1ポンド/リームまでの量のコロイドシリカを含む、請求項6に記載の複合体。
- 前記バリア層が、ブロッキング防止特性を有する、請求項6に記載の複合体。
- 前記バリア層が、ポリ塩化ビニリデン、エチレンビニルアルコール、またはポリビニルアルコール;ならびに
シリカ、ワックス、およびこれらの組合せからなる群から選択されるブロッキング防止剤を含む、請求項10に記載の複合体。 - 前記バリア層上に重なるブロッキング防止層を更に含む、請求項6に記載の複合体。
- 前記ブロッキング防止層が、ポリマー・キャリヤー材料、ならびにシリカ、ワックス、およびこれらの組合せからなる群から選択されるブロッキング防止剤を含む、請求項12に記載の複合体。
- 前記ポリマー・キャリヤー材料が、ポリ塩化ビニリデンからなる、請求項13に記載の複合体。
- ブロッキングが低減したバリア複合体の形成方法であって、
(a)第1の面および第2の面を有する紙を用意すること、
(b)前記紙の第1の面上にバリア層を形成すること、および
(c)前記紙の第2の面にブロッキング防止コーティングを塗布することを含み、
前記ブロッキング防止コーティングが、シリカ、ワックス、またはこれらの組合せを含むことを特徴とする形成方法。 - ブロッキング防止剤をバリア層に混和することを更に含み、前記ブロッキング防止剤が、コロイドシリカ、ワックス、またはこれらの組合せを含む、請求項15に記載の方法。
- 前記バリア層上にブロッキング防止層を形成することを更に含み、前記ブロッキング防止層が、
ポリマー材料、および
シリカ、ワックス、またはこれらの組合せ
を含む請求項15に記載の方法。 - 前記バリア層を形成する前に、前記紙の第1の面にホールドアウト・コーティングを塗布することを更に含む、請求項15に記載の方法。
- 前記ブロッキング防止コーティングを塗布する前に、前記紙の第2の面にプリント・コーティングを塗布することを更に含む、請求項15に記載の方法。
- 前記バリア複合体をロールに巻くことを更に含む、請求項15に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/092,435 US7404999B2 (en) | 2004-09-30 | 2005-03-29 | Anti-blocking barrier composite |
US11/092,435 | 2005-03-29 | ||
PCT/US2006/008806 WO2006104675A1 (en) | 2005-03-29 | 2006-03-10 | Anti-blocking barrier composite |
Publications (3)
Publication Number | Publication Date |
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JP2008534326A true JP2008534326A (ja) | 2008-08-28 |
JP2008534326A5 JP2008534326A5 (ja) | 2009-04-23 |
JP5597884B2 JP5597884B2 (ja) | 2014-10-01 |
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JP2008504080A Active JP5597884B2 (ja) | 2005-03-29 | 2006-03-10 | ブロッキング防止バリア複合体 |
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US (1) | US7404999B2 (ja) |
EP (1) | EP1875001A1 (ja) |
JP (1) | JP5597884B2 (ja) |
CA (1) | CA2599448A1 (ja) |
MX (1) | MX2007012055A (ja) |
WO (1) | WO2006104675A1 (ja) |
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JP5597884B2 (ja) | 2014-10-01 |
CA2599448A1 (en) | 2006-10-05 |
US20060068212A1 (en) | 2006-03-30 |
WO2006104675A1 (en) | 2006-10-05 |
MX2007012055A (es) | 2007-12-13 |
EP1875001A1 (en) | 2008-01-09 |
US7404999B2 (en) | 2008-07-29 |
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