Magnetic receptive printable media

• US 9,028,951 B2
• Filed: 09/10/2013
• Issued: 05/12/2015
• Est. Priority Date: 09/10/2013
• Status: Expired due to Fees

• Current Assignee: MagnetNotes, Ltd.
• Original Assignee: MagnetNotes, Ltd.
• Inventors: Boudouris, Randall, Rundquist, Luke
• Primary Examiner(s): MULVANEY, ELIZABETH EVANS
• Application Number:
  US14/022,923
• Publication Number:
  US 20150069650A1
• Time in Patent Office: 609 Days
• Field of Search: 428/195.1
• US Class Current: 428/195.1
• CPC Class Codes: B29C 2948/9258 Velocity
• CPC Class Codes: B29C 2948/92609 Dimensions
• CPC Class Codes: B29C 2948/92933 Conveying, transporting or storage of articles
• CPC Class Codes: B29C 2948/92942 Moulded article
• CPC Class Codes: B29C 48/0023 combined with printing or marking
• CPC Class Codes: B29C 48/155 Partial coating thereof
• CPC Class Codes: B29C 48/92 Measuring, controlling or regulating
• CPC Class Codes: B32B 15/00 Layered products comprising a layer of metal
• CPC Class Codes: B32B 2250/02 2 layers
• CPC Class Codes: B32B 2264/10 Inorganic particles
• CPC Class Codes: B32B 2307/208 Magnetic, paramagnetic
• CPC Class Codes: B32B 2590/00 Signboards, advertising panels, road signs
• CPC Class Codes: B32B 27/06 as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08
• CPC Class Codes: B32B 27/18 characterised by the use of special additives
• CPC Class Codes: B32B 27/30 comprising vinyl (co)polymers; comprising acrylic (co)polymers
• CPC Class Codes: B32B 27/306 comprising vinyl acetate or vinyl alcohol (co)polymers
• CPC Class Codes: B32B 27/308 comprising acrylic (co)polymers
• CPC Class Codes: B32B 29/00 Layered products comprising a layer of paper or cardboard
• CPC Class Codes: B32B 37/153 at least one layer is extruded and immediately laminated while in semi-molten state
• CPC Class Codes: B32B 38/145 Printing
• CPC Class Codes: B41M 5/41 : Base layers supports or substrates
• CPC Class Codes: B41M 5/42 : Intermediate, backcoat, or covering layers B41M5/405 takes precedence; multilayer thermal transfer systems in general B41M5/38214
• CPC Class Codes: B41M 5/504 : Backcoats
• CPC Class Codes: B41M 5/506 : Intermediate layers
• CPC Class Codes: B41M 5/508 : Supports
• CPC Class Codes: B41M 5/52 : Macromolecular coatings
• CPC Class Codes: C09D 5/23 : Magnetisable or magnetic paints or lacquers
• CPC Class Codes: D21H 27/20 : Flexible structures being applied by the user, e.g. wallpaper printed wallpapers B41M3/18; paperhanging B44C7/00; pregummed wallpaper C09J7/21
• CPC Class Codes: E04F 13/002 : made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings of a number of similar elements carried by a common web E04F13/0862; paperhanging, tapestry work B44C7/00
• CPC Class Codes: G09F 3/04 : to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion by a separate adhesive layer G09F3/10
• CPC Class Codes: H01F 41/16 : the magnetic material being applied in the form of particles, e.g. by serigraphy , to form thick magnetic films or precursors therefor H01F41/18 -H01F41/24 take precedence
• CPC Class Codes: Y10T 428/24802 : Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
• CPC Class Codes: Y10T 428/249921 : Web or sheet containing structurally defined element or component
• CPC Class Codes: Y10T 428/269 : including synthetic resin or polymer layer or component
• CPC Class Codes: Y10T 428/31678 : Of metal
• CPC Class Codes: Y10T 428/31855 : Of addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31935 : Ester, halide or nitrile of addition polymer
• CPC Class Codes: Y10T 428/31938 : Polymer of monoethylenically unsaturated hydrocarbon
• CPC Class Codes: Y10T 428/31993 : Of paper
• CPC Class Codes: Y10T 428/32 : Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer

Abstract

Magnetic receptive media, the magnetic receptive media comprises at least one printable substrate layer and at least one layer formed from a hot melt polymer composition, the hot melt polymer composition comprising Greater than about 70% to about 95% magnetite and about 5% to less than about 30% thermoplastic polymer and methods of making and using the same.

Claims

1. Magnetic receptive media, the magnetic receptive media comprises at least one printable substrate layer and at least one layer formed from a hot melt polymer composition, the hot melt polymer composition comprising:

a) greater than about 70% to about 95% magnetite; and

b) about 5% to less than about 30% thermoplastic polymer.

2. The magnetic receptive media of claim 1, the hot melt polymer composition comprising:

a) about 75% to about 95% magnetite; and

b) about 5% to about 25% thermoplastic polymer.

3. The magnetic receptive media of claim 1, the hot melt polymer composition comprising:

a) about 80% to about 95% magnetite; and

b) about 5% to about 15% thermoplastic polymer.

4. The magnetic receptive media of claim 1 wherein said magnetic receptive media is a component of a graphic wall system.

5. The magnetic receptive media of claim 4 wherein said graphic wall system comprises a magnetic backing which can be secured to a vertical flat surface for displaying said magnetic receptive media.

6. The magnetic receptive media of claim 5 wherein said magnetic backing comprises a magnetic layer having a thickness of about 500 microns to about 1000 microns.

7. The magnetic receptive media of claim 5 wherein said magnetic backing is built into a vertical wall.

8. The magnetic receptive media of claim 1 wherein said hot melt polymer composition comprises at least one copolymer of ethylene or a blend thereof.

9. The magnetic receptive media of claim 8 wherein said at least one copolymer of ethylene comprises at least one monomer selected from the group consisting of vinyl acetate, n-butyl acrylate, (meth)acrylic acid, ethylene methyl (meth)acrylate and ethylene ethyl (meth)acrylate.

10. The magnetic receptive media of claim 1 wherein said at least one thermoplastic polymer is ethylene vinyl acetate or a blend thereof.

11. The magnetic receptive media of claim 1 wherein the magnetic receptive layer is about 75 microns to about 300 microns.

12. An in-line method of making a magnetic receptive media, the magnetic receptive media having dimensions of thickness, width and length, the method comprising:

a) providing a hot melt composition comprising about 60% to about 95% magnetite and about 5% to about 40% thermoplastic polymer; and

b) extruding said hot melt composition at an elevated temperature directly onto a printable substrate layer using a slot die head to form a roll or a sheet comprising the printable substrate layer and a layer of the hot melt composition at a speed of about 60 feet/minute to about 1000 feet/minute.

13. The method of claim 12 further comprising the steps of:

c) feeding the roll or sheet through a printing press;

d) printing on the printable substrate layer.

14. The method of claim 12 wherein the printable substrate layer comprises at least one member selected from the group consisting of paper, paper products, paste board, polyolefin, vinyl, polyester and nylon.

15. The method of claim 12 wherein said printable substrate layer comprises a roll or sheet having a width of about 60 inches.

17. The system of claim 14 comprising a speed of about 60 feet/minute to about 1000 feet/minute.

18. The system of claim 14 comprising a speed of about 350 feet/minute to about 500 feet/minute.

16. A continuous system for preparing a magnetic receptive media, the magnetic assembly comprising at least one printed substrate layer and at least one magnetic layer, the system comprising:

an extruder for applying the magnetic layer;

at least one slot die head in communication with the extruder;

a moving substrate, the extruder supplies the slot die head with a polymeric magnetic composition comprising at least one polymer and at least one magnetic material, the magnetic material comprising magnetic particles, the slot die head applies the polymeric magnetic composition onto said substrate to form the magnetic layer onto the substrate;

a printing press, the substrate is advanced through the printing press; and

a controller;

wherein the extruder and the printing press are in operative communication with the controller, so that the thickness of the magnetic layer and the speed of the moving substrate can be controlled by the controller.