Compositions of matter comprising nanoparticles and non-conductive substrates

Patent metadata

Field	Value
Publication number	US-10745320-B2
Application number	US-201715672931-A
Country	US
Kind code	B2
Filing date	Aug 9, 2017
Priority date	Jan 28, 2014
Publication date	Aug 18, 2020
Grant date	Aug 18, 2020

Abstract

In various aspects, the processes disclosed herein may include the steps of inducing an electric field about a non-conductive substrate, and depositing functionalized nanoparticles upon the non-conductive substrate by contacting a nanoparticle dispersion with the non-conductive substrate, the nanoparticle dispersion comprising functionalized nanoparticles having an electrical charge, the electric field drawing the functionalized nanoparticles to the non-conductive substrate. In various aspects, the related composition of matter disclosed herein comprise functionalized nanoparticles bonded to a surface of a non-conductive fiber, the surface of the non-conductive fiber comprising a sizing adhered to the surface of the non-conductive fiber. This Abstract is presented to meet requirements of 37 C.F.R. § 1.72(b) only. This Abstract is not intended to identify key elements of the processes, and related apparatus and compositions of matter disclosed herein or to delineate the scope thereof.

First claim

The invention claimed is:

1. A composition of matter, comprising:
a porous non-conductive substrate with an electric field induced therethrough by an electrode;
functionalized nanoparticles within pores of the porous non-conductive substrate, the functionalized nanoparticles having a charge, the functionalized nanoparticles influenced by the electric field wherein the electric field is capable of causing motion of the functionalized nanoparticles; and
other functionalized nanoparticles deposited onto the porous non-conductive substrate within pores of the porous non-conductive substrate to form a uniform film upon surfaces within pores of the porous non-conductive substrate, the uniform film is incorporated into the electrode.

2. The composition of matter of claim 1 , further comprising:
a bond formed between the non-conductive substrate and the other functionalized nanoparticles.

3. The composition of matter of claim 1 , further comprising:
a covalent bond formed between the non-conductive substrate and functional groups of the other functionalized nanoparticles.

4. The composition of matter of claim 1 , further comprising:
a covalent bond formed between the non-conductive substrate and nanoparticle portions of the other functionalized nanoparticles.

5. The composition of matter of claim 1 , the functionalized nanoparticles and the other functionalized nanoparticles comprising:
nanoparticles comprised of carbon with oxidized carbon atoms on surfaces of the nanoparticles; and
polyethyleneimine (PEI) bonded to the oxidized carbon atoms.

6. The composition of matter of claim 1 , wherein the functionalized nanoparticles and the other functionalized nanoparticles are electrically conductive.

7. The composition of matter of claim 1 , the non-conductive substrate comprising a material selected from the group consisting of glass, aromatic polyamide, cotton, wool, and polyethylene terephthalate.

8. The composition of matter of claim 1 , wherein the electric field is static.

9. The composition of matter of claim 1 , further comprising:
a mask disposed over portions of a surface of the non-conductive substrate that blocks deposition of the functionalized nanoparticles.

10. The composition of matter of claim 1 , further comprising:
an electrical pathway formed within the non-conductive substrate by the other functionalized nanoparticles.

11. The composition of matter of claim 1 , further comprising:
sizing interposed between a surface of the non-conductive substrate and the other functionalized nanoparticles.

12. The composition of matter of claim 1 , comprising:
the other functionalized nanoparticles form inkjet-printed hierarchically structured patterns.

13. A composition of matter, comprising:
a non-conductive substrate that is porous;
an electric field induced through the porous non-conductive substrate by an electrode;
functionalized nanoparticles having a charge, the functionalized nanoparticles within pores of the porous non-conductive substrate under influence of the electric field;
other functionalized nanoparticles that form a uniform film upon surfaces within pores of the porous non-conductive substrate, the uniform film forms an extension of the electrode; and
wherein the electric field is capable of causing motion of the functionalized nanoparticles.

14. The composition of matter of claim 13 , each of the functionalized nanoparticles comprising:
a nanoparticle formed of an electrically conductive material; and
a functional group attached to the nanoparticle.

15. The composition of matter of claim 13 , the functionalized nanoparticles comprising:
nanoparticles comprised of carbon with oxidized carbon atoms on surfaces of the nanoparticles; and
polyethyleneimine (PEI) bonded to the oxidized carbon atoms.

16. The composition of matter of claim 13 , each of the functionalized nanoparticles comprising:
a nanoparticle; and
a functional group formed as an oxidized site on a surface of the nanoparticle.

17. The composition of matter of claim 13 , each of the functionalized nanoparticles comprising:
a nanoparticle; and
a functional group that forms a covalent bond with the non-conductive substrate.

18. The composition of matter of claim 13 , each of the functionalized nanoparticles comprising:
a nanoparticle that forms a covalent bond with the non-conductive substrate; and
a functional group.

19. A composition of matter, comprising:
a non-conductive fiber that forms at least a portion of a boundary of a pore within a porous non-conductive substrate;
functionalized nanoparticles deposited onto a surface of the non-conductive fiber;
wherein the functionalized nanoparticles were deposited onto the surface of the non-conductive fiber from charged functionalized nanoparticles within the pore influenced by an electric field induced through the porous non-conductive substrate; and
wherein the electric field is capable of causing motion of the charged functionalized nanoparticles.

20. The composition of matter of claim 19 , each of the functionalized nanoparticles comprising:
a nanoparticle that comprises carbon; and
a functional group attached to a surface of the nanoparticle.

Assignees

• Univ Delaware

Inventors

• Thostenson Erik

Classifications

• C25D13/02 Primary

  with inorganic material · CPC title

• C09D7/61

  inorganic · CPC title

• C08K3/041

  Carbon nanotubes · CPC title

• C08K3/042

  Graphene or derivatives, e.g. graphene oxides · CPC title

• C03C25/44 Primary

  Carbon, e.g. graphite · CPC title