JP2012507414A - 磁気受容押出フィルム - Google Patents

磁気受容押出フィルム Download PDF

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JP2012507414A
JP2012507414A JP2011534533A JP2011534533A JP2012507414A JP 2012507414 A JP2012507414 A JP 2012507414A JP 2011534533 A JP2011534533 A JP 2011534533A JP 2011534533 A JP2011534533 A JP 2011534533A JP 2012507414 A JP2012507414 A JP 2012507414A
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ディーツ，デイトン，ジョセフ
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
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    • B41M5/508—Supports
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/208—Magnetic, paramagnetic
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/41—Base layers supports or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
    • B41M5/504—Backcoats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
    • B41M5/506—Intermediate layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers

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  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

押出フィルムの形成において用いられる磁性受容粒子を組み込む実際の適用は、磁石に付く性質を有する磁性受容フィルムを製造する。さらに同時押出の技術を組み込む際に、第１および第３の層を変えずに維持したままで、磁性受容層を有する印刷媒体を製造することができる。
【選択図】なし

Description

本発明は、標準的な押出フィルムの形成と組み合わせた磁気受容媒体を組み込むものである。今日の印刷市場で入手可能な製品は、商業的な押出フィルムと、押出処理後に適用された磁気受容コーティングとを組み合わせる。これは、磁石に取り付ける片側印刷フィルムを製造する。この新しい発明は、押出処理の形成において、磁気受容媒体の組み込みの利点を示しており、磁気受容性を有し、両側の印刷面を維持する印刷媒体を生み出す。
多くの開示されたプロセスにおいて、押出フィルムのためのポリマのマスターバッチングに含まれる有機および無機媒体双方の多くの付加物があった。これらは、遮光、不透明度の増加、および複数の他の利点に沿った後処理性質の変化といった多くの商業上の用途を有する。これらの付加的なアプローチは、ポリプロピレン、ポリエステル、ポリエチレンおよび多くの他の種類や様々な合成フィルムのような媒体全体に用いられてきた。
この非仮出願は、２００８年１１月６日に出願された仮出願番号第６１／１９８，５２４号に基づく。
我々は塗料から紙および塗布フィルムに至るまで多くの磁気受容製品を開発してきた。この製品ラインにより我々は、まずフィルムを押し出し、次いでこのフィルムを塗布する代わりに、１プロセスで磁気受容印刷媒体を生成することができる。小売グラフィックスは常に変化しており、２面の製品の必要性は非常に現実的である。廃棄物を減少させ、出荷や仲介費用を低減させる能力を有するので、導入の必要性は産業においてゲームチェンジャーである。先に開示された発明、米国特許第５，９４５，２０５号において、コア層（第１の層）における充填剤の使用は光吸収目的には有用であり、包装食品を紫外線劣化という損傷から防ぐ。それらの処理において、空隙処理を増加させ、紫外線遮蔽を生成するためにグラファイトのような層状顔料を用いる。この顔料は一般に、０．５％乃至５％の重量比で現れる。我々の発明において、１５％乃至７０％の重量比、０．０１μ乃至３０μの寸法比で磁鉄鉱粉または他の強磁性粒子を有する。このことは産業において利用されるよりかなり高い添加である。米国特許第４，３４５，００５号は金属化塗料の接着を向上させるための添加物の使用を開示する。反応硬化における電子ビーム硬化は、これらのコーティングを硬化させる。この処理は添加材に磁石が付かないようにする。
米国特許第４，１１７，１９３号はエチレン−ブテン共重合体の低結晶樹脂および表面に潤滑油および粘着防止剤を有するポリオレフィン樹脂の包含が、低安定性を示すフィルムを製造し、ブロッキング防止の補助となることを教示する。
本発明は、印刷を受けるのに好適な上層および下層を同時押出する機能を用いて合わせられる従来型の押出処理における磁気受容媒体の組み込みに基づく。このアプローチは押出処理において採用されておらず、ポリマにおける充填材の通常の添加量として考えられているよりも多くを用いて、磁石にくっつく好適な磁性と、一方が他方の上にある複数層とを有するフィルムを製造する。この発明は産業上の廃棄物を減らし、より環境的に責任のある選択肢を示す。使用された製品は工場に戻され、コア層にマスターバッチされる。このことは磁気受容コアを隠す白い印刷可能な外層のため可能となる。
実施例
以下の例は本発明をさらに例示および説明するよう示され、任意の事項に限定するものとして捉えられるべきではない。
実施例１
押出フィルムに適合可能であるよう製造され重量に対し２５％の添加された磁気受容粒子と混合されたポリプロピレン樹脂の混合物が、間に磁気受容層を挟む上層および下層で同時押出された。
第１の層とその次の外側層との間の流れの温度を調整することが重要である。磁性または他の強磁性の媒体の添加が多いため、熱シンクとして作用し、冷却を遅らせる。外側層に粘土または炭酸カルシウムを多く添加すると、実施例ごとの差異を補償する助けとなりうる。同時押出されたウェブは、その後縦および横の双方向へ段階的に方向付けられてもよい。プロセスの目的に応じて、本発明に微小空隙およびキャビテーション技術を適用してもよい。ポリマの好適な溶融点は４００°Ｆ乃至６００°Ｆである。
図１は、本発明の実施例を示す。

Claims (6)

  1. 印刷を除くのに好適な１またはそれ以上の外側層を有する磁性受容コア層を含むことを特徴とするフィルム構造。
  2. 印刷を除くのに好適な１またはそれ以上の外側層を有する磁性受容コア層を含むことを特徴とする押出フィルム構造。
  3. 印刷を除くのに好適な１またはそれ以上の外側層を有する磁性受容コア層を含むことを特徴とする同時押出フィルム構造。
  4. 印刷を除くのに好適な１またはそれ以上の外側層を有する磁性受容コア層を含むことを特徴とするキャストフィルム構造。
  5. 外側層の不透明度を向上させるために１またはそれ以上の二軸配向された外側層を有する強磁性材料を用いたフィルム。
  6. 磁石に取り付けるのに好適な強磁性媒体を用いたフィルム。
JP2011534533A 2008-11-06 2009-11-06 磁気受容押出フィルム Pending JP2012507414A (ja)

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US19852408P 2008-11-06 2008-11-06
US61/198,524 2008-11-06
US12/590,293 US20100127207A1 (en) 2008-11-06 2009-11-05 Magnetic receptive extruded films
US12/590,293 2009-11-05
PCT/US2009/005994 WO2010053560A1 (en) 2008-11-06 2009-11-06 Magnetic receptive extruded films

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CN (1) CN102202804A (ja)
AU (1) AU2009311655A1 (ja)
BR (1) BRPI0916030A2 (ja)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016506880A (ja) * 2013-01-14 2016-03-07 ディーツ ファミリー，エルエルシーＤｅｅｔｚ Ｆａｍｉｌｙ，Ｌｌｃ 磁気受容性押出フィルム
US9724894B2 (en) 2008-11-06 2017-08-08 Deetz Family, Llc Magnetic receptive extruded films

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9028951B2 (en) 2013-09-10 2015-05-12 Magnetnotes, Ltd. Magnetic receptive printable media
MX2019003851A (es) 2016-10-03 2019-09-18 Viskase Companies Inc Método de fabricación de películas celulósicas para envasar alimentos y películas celulósicas para envasar alimentos producidas de ese modo.
MX2019003852A (es) * 2016-10-03 2019-10-14 Viskase Companies Inc Método de fabricación de películas plásticas para envasar alimentos y películas plásticas para envasar alimentos producidas de ese modo.
BE1026962B1 (nl) * 2019-01-10 2020-08-13 Ivc Bvba Vloer-of wandpaneel

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