Cellulose and cellulosic substrate-based device

Patent metadata

Field	Value
Publication number	US-9992867-B2
Application number	US-201515301501-A
Country	US
Kind code	B2
Filing date	Apr 13, 2015
Priority date	Apr 14, 2014
Publication date	Jun 5, 2018
Grant date	Jun 5, 2018

Abstract

A cellulosic substrate-based device is described, including a cellulosic substrate comprising a functionalized surface covalently functionalized by a chemical moiety in an amount sufficient to provide an omniphobic or hydrophobic surface; and a material printed on the functionalized surface, wherein the printed material has a line edge roughness of less than about 15 μm and/or a line lateral resolution of less than about 50 μm.

First claim

The invention claimed is:

1. A cellulosic substrate-based device, comprising:
a cellulosic substrate, wherein at least a portion of its surface is covalently functionalized by a chemical moiety and is omniphobic or hydrophobic; and
a material printed on the functionalized portion of the surface, wherein the printed material has a resolution selected from the group consisting of a line edge roughness of less than about 15 μm, a line lateral resolution of less than about 50 μm, and a combination thereof.

2. The device of claim 1 , wherein the cellulosic substrate is selected from the group consisting of paper, cellulose derivatives, woven cellulosic materials, non-woven cellulosic materials and a combination thereof.

3. The device of claim 1 , wherein the functionalized portion of the surface comprises a fluorinated hydrocarbon group, chlorinated hydrocarbon group, or hydrocarbon group linked to the cellulosic surface through a siloxane linker.

4. The device of claim 1 , wherein the material forms a conductive trace having a line edge roughness of less than about 10 μm.

5. The device of claim 1 , wherein the material forms a conductive trace having a line lateral resolution of less than about 30 μm, 25 μm, 20 μm, 15 μm, 10 μm, 5 μm, 2 μm, 1 μm, 500 nm, 200 nm, or 100 nm.

6. The device of claim 1 , wherein the material has a line edge roughness of less than about 15 μm, 10 μm, 9 μm, 8 μm, 7 μm, 6 μm, 5 μm, 4 μm, 3 μm, 2 μm, or 1 μm.

7. The device of claim 1 , wherein the material is printed on the functionalized portion of the surface by a method selected from the group consisting of ink-jet printing, gravure, screen printing, stencil printing, offset printing, and flexography.

8. The device of claim 1 , wherein the material is printed on the functionalized portion of the surface by printing a material solution in a liquid.

9. The device of claim 1 , wherein the material is printed on the functionalized portion of the surface by printing a material dispersion in a liquid.

10. The device of claim 1 , wherein the material printed on the functionalized portion of the surface has a structural dimension of less than about 50 μm, 40 μm, 30 μm, 25 μm, 20 μm, 15 μm, 10 μm, 5 μm, 2 μm, or 1 μm.

11. The device of claim 1 , wherein the material is selected from the group consisting of a conductive metal, carbon, dielectric material, conductive polymers, proteins, dye compounds, materials for printing LEDs or OLEDs or cells, buffer salt, lipids, biopolymers, sugars, peptides, amino acids, organometallic compound, chemicals for batteries, catalysts, building blocks for molecular electronics, elastomers, plastics, and nanoparticles.

12. The device of claim 1 , wherein the material printed on the functionalized surface is a part of a circuit wire, sensor, electrode, resistor, capacitor, transistor, LED, OLED, RFID tags, or inductor deposited on the functionalized portion of the surface.

13. The device of claim 1 , wherein the device is resistant to hydrophobic or hydrophilic chemicals.

14. The device of claim 1 , wherein the device is resistant to one or more chemicals selected from the group consisting of water, ethanol, glycerin, toluene, glacial acetic acid, chloroform, dimethyl sulfoxide, acetone, and hexadecane.

15. The device of claim 13 , wherein the material printed on the functionalized portion of the surface has a loss of mass less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% after the printed material is exposed to the chemical.

16. The device of claim 13 , wherein the material printed on the functionalized surface has an increase of resistance of less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% after the material is exposed to the chemical.

17. The device of claim 13 , wherein the material printed on the functionalized surface forms a capacitor, an inductor, a LED, or a battery.

18. The device of claim 17 , wherein the capacitor printed on the functionalized surface has a change of capacitance of less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% or in the range of 1% to 10%, or any other range bounded by any of the values noted here after the printed material is exposed to the hydrophobic or hydrophilic chemical.

19. The device of claim 17 , wherein the inductor printed on the functionalized surface has a change of inductance of less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% or in the range of 1% to 10%, or any other range bounded by any of the values noted here after the printed material is exposed to the hydrophobic or hydrophilic chemical.

20. The device of claim 17 , wherein the LED printed on the functionalized surface has a loss of luminosity of less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% or in the range of 1% to 10%, or any other range bounded by any of the values noted here after the printed material is exposed to the hydrophobic or hydrophilic chemical.

21. The device of claim 17 , wherein the battery printed on the functionalized surface has a loss of energy storage capacity of less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% or in the range of 1% to 10%, or any other range bounded by any of the values noted here after the printed material is exposed to the hydrophobic or hydrophilic chemical.

22. The device of claim 1 , wherein the material printed on the functionalized surface losses less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% of its mass after an adhesive tape is applied onto the material and subsequently removed.

23. The device of claim 1 , wherein the material printed on the functionalized surface has an increase of resistance of less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% of its mass after an adhesive tape is applied onto the material and subsequently removed.

24. The device of claim 1 , wherein the material printed on the functionalized surface has an increase of resistance of less than about 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% of its mass after the material and the functionalized portion of the surface on which the material is printed are folded.

25. The device of claim 24 , wherein the printed material and the functionalized portion of the surface on which the material is printed are folded more than about 100, 90, 80, 70, 60, 50, 40, 30, 20, 10, 5 times or 1 time.

26. The device of claim 24 , wherein the printed material and the functionalized portion of the surface on which the material is printed are folded to result in the compression or extension of the material.

27. The device of claim 26 , configured to sense an electrical change resulting from the extension or compression.

28. The device of claim 1 , wherein the device is a diagnostic device configured to detect an analyte.

29. The device of claim 28 , wherein the analyte is selected from the group consisting of small molecules, proteins, lipids, polysaccharides, nucleic acids, prokaryotic cells, eukaryotic cells, particles, viruses, metal ions, and combination thereof.

30. The device of claim 29 , wherein the analyte is selected from the group consisting of glucose, creatine, 4-amino-phenol, red blood cells, lipids, creatinine, urea, albumin, bilirubin, aspartate transaminase, alanine transaminase, alkaline phosphatase, and antibodies.

31. The device of claim 1 , wherein the functionalized portion of the surface forms at least a part of the

Assignees

• Harvard College

Inventors

• Lessing Joshua Aaron
• Glavan Ana C
• Walker S Brett
• Keplinger Christoph Matthias
• Whitesides George M

Classifications

• D21H21/16

  Sizing or water-repelling agents · CPC title

• H05K1/0386 Primary

  Paper sheets (used as reinforcing materials for organic insulating substrates H05K1/0366) · CPC title

• B41M5/52

  Macromolecular coatings · CPC title

• H05K3/1208

  Pretreatment of the circuit board, e.g. modifying wetting properties; Patterning by using affinity patterns (providing shape patterns H05K3/1258; adhesion treatments H05K3/38) · CPC title

• B41M5/529

  characterised by the use of fluorine- or silicon-containing organic compounds · CPC title