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US 2016/0177109 A1Published application
Conductive polymer coatings for three dimensional substrates
AssigneeBiotectix, LLC
InventorsJeffrey Hendricks, Kyle Mallires, Sarah Richardson-Burns
Life of this patent
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Abstract
The present invention generally relates to compositions and methods for the preparation of conductive polymer coatings, and methods for application of the coatings to three-dimensional substrates.
Claims21
1-111:
- (canceled)
An electrically conductive polymeric coating derived from a coating precursor composition comprising:
- a conductive polymer component comprising poly(3,4-ethylenedioxythiophene) and a primary counterion comprising one or more repeat units having a negatively charged functional group;
- a secondary doping agent;
- a crosslinking agent;
- a surfactant component;
- and
- a flexibility enhancer comprising polyacrylic acid, poly(acrylamide-co-acrylic acid), polyvinylpyrrolidone, polyvinyl alcohol, poloxypropylene-polyoxyethylene polaxamer, poly(2-acrylamido-2-methyl-1-propanesulfonic acid), sulfonated polytetrafluoroethylene, polystyrene sulfonic acid, polystyrene sulfonate, poly(acrylic acid-co-maleic acid), poly(2-hydroxyethyl methacrylate), polyanetholesulfonic acid sodium salt, polyvinyl sulfonic acid sodium salt, poly(1-vinylpyrrolidone-co-vinyl acetate), polystyrene-block-poly(ethylene-r-butylene)-block-polystyrene sulfonate, polyethylene glycol, polyethylene oxide, or a combination thereof.
3 more elements
An electrically conductive polymeric coating derived from a coating precursor composition comprising:
- a conductive polymer component comprising poly(3,4-ethylenedioxythiophene) and a primary counterion comprising one or more repeat units having a negatively charged functional group;
- a secondary doping agent;
- a crosslinking agent;
- a surfactant component;
- and
- a flexibility enhancer comprising a hydrophilic polymer,
- wherein the electrical resistance of the coating increases by no greater than 50% after 600 flexing cycles when the coating is applied to a substrate having an outer diameter of 0.25 inches and each cycle comprises flexing the coated substrate about a bend radius of 1.25 inches.
4 more elements
An electrically conductive polymeric coating derived from a coating precursor composition comprising:
- a conductive polymer component comprising poly(3,4-ethylenedioxythiophene) and a primary counterion comprising one or more repeat units having a negatively charged functional group;
- a secondary doping agent;
- a crosslinking agent;
- a surfactant component;
- and
- a conductive filler comprising metal particles, carbon black, carbon fiber, graphite, graphene, carbon nanotubes, carbon fiber silicon, silicon particles, or a combination thereof,
- wherein the conductive filler is present in the electrically conductive polymeric coating in an amount sufficient to reduce the contact resistance of the polymeric coating,
- and wherein the conductive filler is present in the coating precursor composition in a concentration of no more than about 25% of the composition on a weight per volume basis.
5 more elements
Dependencies are inferred from the claim text.