Conductive water-borne coatings and methods for enhancing coating conductivity

Patent metadata

Field	Value
Publication number	US-9401232-B2
Application number	US-201313934862-A
Country	US
Kind code	B2
Filing date	Jul 3, 2013
Priority date	Jul 3, 2013
Publication date	Jul 26, 2016
Grant date	Jul 26, 2016

Abstract

The present disclosure is directed to conductive, translucent water-borne conductive coatings comprising a water-borne lubricant coating base material, an amount of PEDOT:PSS solution, and an amount of metal-containing nanowire, methods for making the same, and articles coated with such coatings.

First claim

We claim:

1. A method for enhancing the conductivity of a non-conductive surface comprising the step of:
applying a translucent conductive coating to a non-conductive surface, said non-conductive surface having a sheet resistance of about 10 10 ohm/square or greater, said translucent conductive coating comprising an amount of water-borne polyurethane coating combined with about 15 to about 35 wt % of poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate) solution and about 0.1 to about 0.5 wt % of metal-containing nanowires;
wherein the coating has a sheet resistance of greater than 10 3 ohms/square to about 10 6 ohm/square.

2. The method of claim 1 , wherein the metal-containing nanowires are selected from the group consisting of: copper-containing nanowires, silver-containing nanowires, or combinations thereof.

3. The method of claim 1 , wherein the metal-containing nanowires are copper-nickel-containing nanowires.

4. The method of claim 1 , wherein the coating comprises a water-borne polyurethane coating in an amount of from about 65 to about 85 weight percent.

Assignees

• Boeing Co

Inventors

• Riley Terrell D
• Corona Alexandra E
• Broadbent Christopher Lamar
• Shokri Shahnaz
• Le Quynhgiao N

Classifications

• H01B1/22 Primary

  the conductive material comprising metals or alloys · CPC title

• B60R16/06

  for removing electrostatic charges (carrying-off electrostatic charges in general H05F3/00) · CPC title

• C09D5/24 Primary

  Electrically-conducting paints {(conductive materials H01B1/00)} · CPC title

• B64D45/02

  Lightning protectors; Static dischargers · CPC title

• C08K2201/011

  Nanostructured additives · CPC title