Stretchable organic metals, composition, and use

Patent metadata

Field	Value
Publication number	US-2016315380-A1
Application number	US-201615135898-A
Country	US
Kind code	A1
Filing date	Apr 22, 2016
Priority date	Apr 23, 2015
Publication date	Oct 27, 2016
Grant date	—

Abstract

Disclosed are stretchable electrically conductive structure comprising a stretchable insulating substrate comprising nucleophile derivatized nanoparticles located at the surface of the stretchable insulating substrate, wherein the stretchable insulating substrate is a fiber or fabric; and a conducting polymer:template polymer coating disposed on at least a portion of a surface of the stretchable insulating substrate through which a chemical bond forms between at least one anion of the template polymer and nucleophile derivatized nanoparticles located at the surface of the stretchable insulating substrate.

First claim

1 . A stretchable electrically conductive structure, comprising
a stretchable insulating substrate comprising nucleophile derivatized nanoparticles located at the surface of the stretchable insulating substrate, wherein the stretchable insulating substrate is a fiber or fabric; and a conducting polymer:template polymer coating disposed on at least a portion of a surface of the stretchable insulating substrate through which a chemical bond forms between at least one anion of the template polymer and nucleophile derivatized nanoparticles located at the surface of the stretchable insulating substrate; optionally wherein the stretchable electrically conductive structure comprises a conductive organic particle disposed between the stretchable insulating substrate and the conducting polymer:template polymer coating.

2 . The stretchable electrically conductive structure of claim 1 , wherein the stretchable insulating substrate is a woven fabric.

3 . The stretchable electrically conductive structure of claim 1 , wherein the stretchable insulating substrate comprises a polyester-polyurethane copolymer and optionally further comprises polyacrylic, polyamide, polycarbonate, polyether, polyester, polyethylene, polyimide, polyurethane, polyurea, polythiourea, polysiloxane, polyisoprene, polybutadiene, polyethylene oxide, polylactic acid, blends or copolymers thereof.

4 . The stretchable electrically conductive structure of claim 1 , wherein the nucleophile derivatized nanoparticles comprise silicon dioxide (SiO 2 ), titanium dioxide (TiO 2 ), aluminum oxide, calcium oxide, amine functionalized nanoparticles, or a combination thereof.

5 . The stretchable electrically conductive structure of claim 1 ,wherein the nanoparticles have a particle size of about 1 nanometer (nm) to about 1000 nm.

6 . The stretchable electrically conductive structure of claim 1 , wherein the nanoparticles are present on the surface of the stretchable insulating substrate in an amount of 0.05 to about 5% area relative to the total surface area of the stretchable insulating substrate.

7 . The stretchable electrically conductive structure of claim 1 , wherein the nanoparticles are present in the stretchable insulating substrate in an amount of about 0.05 to about 5 wt % based on the total weight of the stretchable insulating substrate.

8 . The stretchable electrically conductive structure of claim 1 , wherein the stretchable insulating substrate has a thickness of about 100 nm to about 5 mm.

9 . The stretchable electrically conductive structure of claim 1 , wherein the conducting polymer of the conducting polymer:template polymer comprises units of a conducting monomer wherein the conducting monomer is thiophene, substituted thiophene, 3,4-ethylenedioxythiophene, thieno[3,4-b]thiophene, substituted thieno[3,4-b]thiophene, dithieno[3,4-b:3′,4′-d]thiophene, thieno[3,4-b]furan, substituted thieno[3,4-b]furan, bithiophene, substituted bithiophene, pyrrole, substituted pyrrole, phenylene, substituted phenylene, naphthalene, substituted naphthalene, biphenyl and terphenyl and their substituted versions, phenylene vinylene, substituted phenylene vinylene, aniline, substituted aniline, the monomers disclosed herein as structures (I)-(XXIX), or a combination thereof; and
the template polymer is a polyanion acting as a counterion for a conducting polymer.

10 . The stretchable electrically conductive structure of claim 1 , wherein the template polymer comprises sulfonic acid groups, phosphoric acid groups, or a combination thereof.

11 . The stretchable electrically conductive structure of claim 1 , wherein the conducting polymer:template polymer coating is a film or a pattern on the surface of the stretchable insulating substrate.

12 . The stretchable electrically conductive structure of claim 1 , wherein the conducting polymer:template polymer coating has a thickness of about 40 nm to about 1 micrometer.

13 . The stretchable electrically conductive structure of claim 1 , wherein the conductive organic particle is graphene, graphite, a combination of graphene and graphite, carbon nanotubes, buckyballs, “n-type” small molecules, or a combination thereof.

14 . The stretchable electrically conductive structure of claim 1 , wherein the conductive organic particle is present in an amount of about 0.2 to about 20 wt % based on the total weight of the stretchable electrically conductive structure

15 . The stretchable electrically conductive structure of claim 1 , having one or more of the following
sheet resistance of about 1 to about 50 ohm/□; and conductivity greater than 5000 S/cm; and exhibit an increase in resistance as a function of temperature at a temperature above 270K; and substantially retains its original electrical conductive properties after undergoing a washing treatment, which may include laundry detergent; and a hydrophobic treatment.

16 . The stretchable electrically conductive structure of claim 1 , wherein the conducting polymer:template polymer is PEDOT:PSS.

17 . A method of making a stretchable electrically conductive structure, comprising
providing a stretchable insulating substrate comprising nucleophile derivatized nanoparticles located at the surface of the stretchable insulating substrate, wherein the stretchable insulating substrate is a fiber or fabric; forming a conducting polymer:template polymer coating on at least a portion of a surface of the stretchable insulating substrate to form a stretchable electrically conductive structure, optionally further wherein the stretchable insulating substrate is plasma treated before the forming the conducting polymer:template polymer coating.

18 . The method of claim 17 , wherein the conducting polymer:template polymer coating is formed using a casting process, tape casting, flow coating, spray coating, spin coating, ink jetting, dip coating, or a combination thereof.

19 . The method of claim 17 , further comprising, disposing a conductive organic particle on at least a portion of a surface of the stretchable insulating substrate.

20 . An article comprising the stretchable electrically conductive structure of claim 1 .

21 . The article of claim 20 , is a flexible, all organic antennae.

Assignees

• Univ Connecticut

Inventors

• Sotzing Gregory Allen

Classifications

• H01Q1/368 Primary

  using carbon or carbon composite · CPC title

• D06N2209/041

  Conductive · CPC title

• D06N7/00

  Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material (paper-based or board-based structures for surface covering D21H27/20) · CPC title

• H01Q1/38

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H01B1/127

  comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes · CPC title