Fabric print medium

Patent metadata

Field	Value
Publication number	US-11260688-B2
Application number	US-201816603001-A
Country	US
Kind code	B2
Filing date	Jun 8, 2018
Priority date	Jul 6, 2017
Publication date	Mar 1, 2022
Grant date	Mar 1, 2022

Abstract

A fabric printable medium comprising a fabric base substrate, with an image-side and a back-side, having a water proofing treatment including a water-repellant agent applied thereto; an adhesion promoting layer, applied to the image-side of the fabric base substrate, comprising a polymeric compound and a physical networking component; an ink-receiving coating layer over the adhesion promoting layer, comprising a first and a second crosslinked polymeric network; and a barrier layer applied to the back-side of the fabric base substrate, comprising polymeric binders and filler particles with flame retardancy properties. Also disclosed are the method for making such fabric print medium and the method for producing printed images using said material.

First claim

The invention claimed is:

1. A fabric printable medium comprising:
a fabric base substrate, with an image-side and a back-side, having a water proofing treatment including a water-repellant agent applied thereto;
an adhesion promoting layer, applied to the image-side of the fabric base substrate, comprising a polymeric compound and a physical networking component;
an ink-receiving coating layer, applied over the adhesion promoting layer, comprising a first and a second crosslinked polymeric network;
a barrier layer, applied to the back-side of the fabric base substrate, comprising polymeric binders and filler particles with flame retardancy properties; and
a pressure sensitive adhesive coating layer that is applied on top of the barrier layer, wherein a coat weight of the pressure sensitive adhesive coating layer ranges from about 5 gsm to about 60 gsm.

2. The fabric printable medium of claim 1 wherein the water-repellent agent comprises a fluorocarbon polymer, polyacrylate with perfluoro side chain, a polyvinylidene chloride emulsion, a polyolefin emulsion, a poly(ethyl-terephthalate) emulsion, an aqueous wax dispersion, a perfluorooctane sulfonate, a perfluorooctanoic acid, a paraffin wax, paraffin wax plus aluminum salt, paraffin wax plus chromium salt, a fatty acid, a hydrogen siloxane emulsion, or a combination thereof.

3. The fabric printable medium of claim 1 wherein the water-repellent agent is a fluorocarbon polymer.

4. The fabric printable medium of claim 1 wherein, in the adhesion promoting layer, the physical networking component comprises an acrylate copolymer, a polyethylene glycol copolymer, a polyurethane copolymer, an isophorone diisocyanate, or a combination thereof; and wherein the physical networking component has a weight average molecular weight from 300,000 Mw to 1,000,000 Mw.

5. The fabric printable medium of claim 1 wherein, in the adhesion promoting layer, the polymeric compound is an acrylic polymers or copolymers, vinyl acetate polymers or copolymers, polyester polymers or copolymers, vinylidene chloride polymers or copolymers, butadiene polymers or copolymers, styrene-butadiene polymers or copolymers, acrylonitrile-butadiene polymers or copolymers, or a combination thereof.

6. The fabric printable medium of claim 1 wherein the adhesion promoting layer is applied at a dry coat weight ranging from about 7 gsm to about 15 gsm coat weight.

7. The fabric printable medium of claim 1 wherein, in the ink-receiving coating layer, the first crosslinked polymeric network and the second crosslinked polymeric network are different and independently comprises polyacrylate, polyurethane, vinyl-urethane, acrylic urethane, polyurethane-acrylic, polyether polyurethane, polyester polyurethane, polycaprolactam polyurethane, polyether polyurethane, alkyl epoxy resin, epoxy novolac resin, polyglycidyl resin, polyoxirane resin, polyamine, styrene maleic anhydride, a derivative thereof, or a combination thereof.

8. The fabric printable medium of claim 1 wherein the ink-receiving coating layer has a coat-weight ranging from about 3 gsm to about 30 gsm.

9. The fabric printable medium of claim 1 wherein, in the barrier layer, the polymeric binder is a polymer, or a copolymer, selected from the group consisting of acrylic polymers or copolymers, vinyl acetate polymers or copolymers, polyester polymers or copolymers, vinylidene chloride polymers or copolymers, butadiene polymers or copolymers, styrene-butadiene polymers or copolymers and acrylonitrile-butadiene polymers or copolymers.

10. The fabric printable medium of claim 1 wherein, in the barrier layer, the filler particles with flame retardancy properties is selected from the group consisting of phosphorus-containing compounds, nitrogen-containing compounds, organophosphate compounds, alumina trihydrate and calcium carbonate.

11. The fabric printable medium of claim 1 wherein the barrier layer is applied to the fabric base substrate at a dry coat-weight range from about 5 gsm to about 60 gsm.

12. The fabric printable medium of claim 1 further comprising a release layer that is applied on top of the pressure sensitive adhesive coating layer.

13. The fabric printable medium of claim 1 wherein the coat weight of the pressure sensitive adhesive coating layer ranges from about 20 gsm to about 40 gsm.

14. The fabric printable medium of claim 1 wherein, in the barrier layer, the filler particles with flame retardancy properties is selected from the group consisting of phosphorus-containing compounds, nitrogen-containing compounds, and organophosphate compounds.

15. A method for forming a fabric printable medium comprising:
providing a fabric base substrate, with an image-side and a back-side, having a water proofing treatment including a water-repellant agent applied thereto;
applying an adhesion promoting layer, on the image-side of the fabric base substrate, the adhesion promoting layer comprising a polymeric compound and a physical networking component;
applying an ink-receiving coating layer, on the image-side of the fabric base substrate, over the adhesion promoting layer, comprising a first and a second crosslinked polymeric network; and
applying a barrier layer on the back-side of the fabric base substrate, comprising polymeric binders and filler particles with flame retardancy properties; and
a pressure sensitive adhesive coating layer that is applied on top of the barrier layer, wherein a coat weight of the pressure sensitive adhesive coating layer ranges from about 5 gsm to about 60 gsm.

16. A printing method comprising:
obtaining a fabric printable medium comprising a fabric base substrate, with an image-side and a back-side, having a water proofing treatment including a water-repellant agent applied thereto; an adhesion promoting layer, applied to the image-side on the fabric base substrate, the adhesion promoting layer comprising a polymeric compound and a physical networking component; an ink-receiving coating layer, applied on the image-side, over the adhesion promoting layer, comprising a first and a second crosslinked polymeric network; a barrier layer applied to the back-side of the medium, comprising polymeric binders and filler particles with flame retardancy properties; and a pressure sensitive adhesive coating layer that is applied on top of the barrier layer, wherein a coat weight of the pressure sensitive adhesive coating layer ranges from about 5 gsm to about 60 gsm;
and applying an ink composition onto said fabric printable medium to form a printed image.

17. A fabric printable medium consisting of:
a fabric base substrate, with an image-side and a back-side, having a water proofing treatment including a water-repellant agent applied thereto;
an adhesion promoting layer, applied to the image-side of the fabric base substrate, comprising a polymeric compound and a physical networking component;
an ink-receiving coating layer, applied over the adhesion promoting layer, comprising a first and a second crosslinked polymeric network;
a barrier layer, applied to the back-side of the fabric base substrate, comprising polymeric binders and filler particles with flame retardancy properties; and
a pressure sensitive adhesive coating layer that is applied on top of the barrier layer;
and optionally, a release layer that is applied on top of the pressure sensitive adhesive coating layer.

Assignees

• Hewlett Packard Development Co

Inventors

• Fu Xulong
• Zhou Xiaoqi
• Makau Fredrick Muya

Classifications

• B41M5/5236

  characterised by the use of natural gums, of proteins, e.g. gelatins, or of macromolecular carbohydrates, e.g. cellulose · CPC title

• D06N3/0059

  Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes (D06N3/0065 takes precedence) · CPC title

• B41M5/5272

  Polyesters; Polycarbonates · CPC title

• D06N3/042

  Acrylic polymers (D06N3/045 takes precedence) · CPC title

• B32B38/10

  Removing layers, or parts of layers, mechanically or chemically · CPC title