Multilayer coating for flame retardant foam or fabric

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution includes cationic materials. The cationic materials include polymers, nanoparticles, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a bilayer. The bilayer is the anionic layer and the cationic layer. The anionic solution includes layerable materials.

Aqueous Polyelectrolyte Complex as One Pot Nanocoating Solution to Impart Antiflammable Behavior to Various Substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes preparing a solution. The solution includes an anionic material, a cationic material, and water. The method further includes exposing the substrate to the solution to produce a coating on the substrate. The coating has cationic material and anionic material.

ORGANIC THERMOELECTRIC COMPOSITES AND THEIR USES

Embodiments of the invention are directed to conducting polymers are used to produce polymer composites through the addition of graphitic carbon. The concentration of graphitic carbons such as carbon nanotubes is low enough to produce many non-percolated networks of graphitic carbons. Potential commercial applications include self-powered energy harvesting units operated by any type and grade heat including body heat and waste heat. Embodiments of the invention are also directed to a process for a thermoelectric nanocomposite thin film comprising organic conducting polymers and organic conducting nanomaterials. 1. A polymer composite having enhanced thermoelectric properties , comprising:a conducting polymer matrix; anda graphitic carbon filler, wherein the graphitic carbon filler is dispersed throughout the conducting polymer matrix in a non-percolated fashion with minimal connections, and wherein the polymer composite has a hole concentration that is reduced relative to the conducting polymer matrix alone or the graphitic carbon filler alone and an electron mobility that is greater than that of the conducting polymer matrix alone or the graphitic carbon filler alone.2. The polymer composite of claim 1 , wherein the conducting polymer matrix is comprised of poly(3 claim 1 ,4-ethylenedioxythiophene) claim 1 , polyaniline claim 1 , or mixtures thereof.3. The polymer composite of claim 1 , wherein the graphitic carbon filler is carbon nanotubes claim 1 , graphene nanoribbons claim 1 , or mixtures thereof.4. The polymer composite of claim 1 , wherein the polymer composite has reduced phononic thermal conductivity and an increased Seebeck coefficient (ZT).5. The polymer composite of claim 1 , wherein the graphitic carbon fillers have greater electronic mobility than the conducting polymer matrix claim 1 , smaller electronic bandgap than the conducting polymer matrix claim 1 , and an electronic bandgap that is inside a bandgap of the conducting polymer matrix.6. The ...

Multilayer coating for flame retardant substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.

Multilayer coating for flame retardant substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.

Hand for Nanocoated Fabric

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, a geopolymer, a carbon-based filler, or any combinations thereof. The method also includes agitating the substrate. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material. 1. A method for coating a substrate to provide a flame resistant substrate , comprising:(A) exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate, wherein the cationic solution comprises cationic materials, and wherein the cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, a geopolymer, a carbon-based filler, or any combinations thereof;(B) agitating the substrate; and(C) exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer, wherein the anionic solution comprises a layerable material.2. The method of claim 1 , wherein agitating comprises ultrasonication.3. The method of claim 2 , wherein the ultrasonication comprises a frequency from about 20 kHz to about 300 kHz.4. The method of claim 1 , wherein the agitating comprises agitating the cationic solution claim 1 , the anionic solution claim 1 , or any combinations thereof.5. The method of claim 1 , further comprising rinsing the cationic layer deposited on the substrate claim 1 , and wherein the agitating is accomplished during the rinsing.6. The ...

High performance thermoelectric materials

A method and device produce thermoelectric power and thermoelectric modules. In one embodiment, a thermoelectric module comprises N-type carbon nanotube film and P-type carbon nanotube film.

Aqueous polyelectrolyte complex as one pot nanocoating solution to impart antiflammable behavior to various substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes preparing a solution. The solution includes an anionic material, a cationic material, and water. The method further includes exposing the substrate to the solution to produce a coating on the substrate. The coating has cationic material and anionic material.

Multilayer Coating for Flame Retardant Substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.

Protective Barrier for Tires and Application Thereof

A tire has a material diffusion barrier, and a method produces the same. In an embodiment, a method for producing a material diffusion barrier on a tire comprises exposing a surface of the tire to a cationic solution to produce a cationic layer on the surface. The method further comprises exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer, wherein a layer comprises the cationic layer and the anionic layer. The layer comprises the material diffusion barrier. 1. A method for producing a material diffusion barrier on a tire , comprising:(A) exposing a surface of the tire to a cationic solution to produce a cationic layer on the surface; and(B) exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer, wherein a layer comprises the cationic layer and the anionic layer, and wherein the layer comprises the material diffusion barrier.2. The method of claim 1 , further comprising:(C) exposing the anionic layer to a second cationic solution to produce a second cationic layer on the anionic layer, and wherein the layer comprises a trilayer comprising the cationic layer, the anionic layer, and the second cationic layer.3. The method of claim 1 , further comprising:(C) exposing the anionic layer to a second cationic solution to produce a second cationic layer on the anionic layer; and(D) exposing the second cationic layer to a second anionic solution to produce a second anionic layer on the second cationic layer, wherein the layer comprises a quadlayer comprising the cationic layer, the anionic layer, the second cationic layer, and the second anionic layer.4. The method of claim 1 , wherein the cationic solution comprises cationic materials claim 1 , and wherein the cationic materials comprise a polymer claim 1 , a colloidal particle claim 1 , a nanoparticle claim 1 , or any combinations thereof.5. The method of claim 4 , wherein the polymer comprises a polymer with hydrogen bonding ...

Thin Film Diffusion Barrier

A rubber substrate has a material diffusion barrier, and a method produces the same. In an embodiment, a method for producing a material diffusion barrier on a rubber substrate include exposing the rubber substrate to a cationic solution to produce a cationic layer on the rubber substrate. The method also includes exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer. The anionic layer comprises graphene oxide. The layer includes the cationic layer and the anionic layer. The layer comprises the material diffusion barrier. 1. A method for producing a material diffusion barrier on a rubber substrate , comprising:(A) exposing the rubber substrate to a cationic solution to produce a cationic layer on the rubber substrate;(B) exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer, wherein the anionic layer comprises graphene oxide, wherein a layer comprises the cationic layer and the anionic layer, and wherein the layer comprises the material diffusion barrier.2. The method of claim 1 , further comprising reducing the anionic layer comprising graphene oxide to produce a reduced graphene oxide layer.3. The method of claim 2 , wherein reducing the anionic layer comprising graphene oxide comprises thermal reduction claim 2 , chemical reduction claim 2 , an infrared radiation light source claim 2 , microwaves claim 2 , or a combinations thereof.4. The method of claim 1 , wherein the cationic solution comprises cationic materials claim 1 , and wherein the cationic materials comprise a polymer claim 1 , a colloidal particle claim 1 , a nanoparticle claim 1 , or any combinations thereof.5. The method of claim 4 , wherein the polymer comprises a polymer with hydrogen bonding claim 4 , wherein the polymer with hydrogen bonding comprises polyethylene oxide claim 4 , polyglycidol claim 4 , polypropylene oxide claim 4 , poly(vinyl methyl ether) claim 4 , polyvinyl alcohol claim 4 , ...

Waterborne Complex, Coating Procedure and Use as a Flame Retardant

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes preparing an aqueous solution. The aqueous solution comprises a phosphate material, a cationic material, and a water. The method further includes exposing the substrate to the aqueous solution to produce a coating on the substrate. The coating includes the cationic material and the phosphate material. The method also includes exposing the coating on the substrate to a melamine solution. 1. A method for coating a substrate to provide a flame resistant , coated substrate , comprising:(A) preparing an aqueous solution, wherein the aqueous solution comprises a phosphate material, a cationic material, and a water;(B) exposing the substrate to the aqueous solution to produce a coating on the substrate, wherein the coating comprises the cationic material and the phosphate material; and(C) exposing the coating on the substrate to an amine or amide rich solution.2. The method of claim 1 , wherein the aqueous solution comprises from about 0.01 wt. % cationic materials to about 30.0 wt. % cationic materials.3. The method of claim 1 , wherein the aqueous solution comprises from about 0.01 wt. % phosphate materials to about 30.0 wt. % phosphate materials.4. The method of claim 1 , wherein the substrate is exposed to the aqueous solution from about 1 second to about 24 hours.5. The method of claim 1 , wherein the coated substrate has between about 5.0 wt. % coating and about 25 wt. % coating.6. The method of claim 1 , wherein the coating is between about 10 nanometers and about 1 claim 1 ,000 nanometers thick.7. The method of claim 1 , wherein the substrate comprises foam claim 1 , fabric claim 1 , leather claim 1 , vinyl compounds claim 1 , plastic claim 1 , glass claim 1 , ceramic claim 1 , metal claim 1 , wood claim 1 , carpet claim 1 , hook and loop fasteners claim 1 , non-foam padding claim 1 , lapis claim 1 , ducts claim 1 , or any combinations thereof.8. The ...

HIGH GAS BARRIER THIN FILMS THROUGH PH MANIPULATION OF CLAY

Bilayers of a polycation and a platelet suspension on a substrate demonstrate significant oxygen barrier properties by altering the pH of the platelet. When the lower pH platelet suspension contacts deposited polycation, more positive charge is created and more platelet suspension is deposited, thereby leading to a thicker film with better gas barrier properties. 1. A method of preparing an oxygen barrier film , the method comprising:a. obtaining a substrate;b. exposing the substrate to a polycation solution with a pH of 6 or less to form a first layer; andc. exposing the substrate with the polycation to a platelet solution to form a second layer;wherein the first layer and second layer together form a bilayer; andwherein the oxygen transmission rate of the oxygen barrier film is decreased compared to the oxygen transmission rate of the substrate.2. The method of claim 1 , wherein steps b and c are repeated until the number of bilayers reaches at least 10 bilayers.3. The method of claim 2 , wherein the thickness of the at least 10 bilayers is greater than 100 nm.4. The method of claim 2 , wherein the pH of the polycation solution or platelet solution is about 5 or less.5. The method of claim 4 , wherein the thickness of the at least 10 bilayers is at least 150 nm.6. The method of claim 2 , wherein the pH of the polycation solution or platelet solution is about 3 or less.7. The method of claim 6 , wherein the thickness of the at least 10 bilayers is at least 250 nm.8. The method of claim 1 , wherein the method further comprises rinsing with water after step b and after step c.9. The method of claim 8 , wherein the method further comprises drying after rinsing with water.10. The method of claim 1 , wherein exposing comprises dipping in a solution claim 1 , spraying or flexographic printing.11. The method of claim 1 , wherein the method is layer by layer assembly.12. The method of claim 1 , wherein the polycation is selected from the group consisting of linear ...

Reactive Coating Method for Deposition of Insoluble Flame Retardant Using a Water-Borne Coating Procedure

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a melamine. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a phosphated molecule. 1. A method for coating a substrate to provide a flame resistant substrate , comprising:(A) exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate, wherein the cationic solution comprises cationic materials, and wherein the cationic materials comprise a melamine; and(B) exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer, wherein the anionic solution comprises a phosphated molecule.2. The method of claim 1 , wherein the melamine comprises a melamine salt claim 1 , a melamine hydrochloric acid claim 1 , or any combinations thereof.3. The method of claim 2 , wherein the melamine salt comprises a melamine acetate claim 2 , a melamine monoacetate claim 2 , a melamine hydrochloride claim 2 , or any combinations thereof.4. The method of claim 1 , wherein the melamine comprises melamine hydrochloride.5. The method of claim 1 , wherein the phosphated molecule comprises a polysodium phosphate claim 1 , an ammonium phosphate claim 1 , an ammonium polyphosphate claim 1 , a sodium hexametaphosphate claim 1 , or any combinations thereof.6. The method of claim 1 , wherein the phosphated molecule comprises ammonium polyphosphate.7. The method of claim 1 , wherein the substrate comprises a primer layer.8. The method of claim 1 , further ...

Polyelectrolyte Multilayer Films for Gas Separation and Purification

A method includes coating a substrate to provide a separation substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material. 1. A method for coating a substrate to provide a separation substrate , comprising:(A) exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate, wherein the cationic solution comprises cationic materials, and wherein the cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof; and(B) exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer, wherein the anionic solution comprises a layerable material.2. The method of claim 1 , wherein the layerable material comprises an anionic polymer claim 1 , a colloidal particle claim 1 , a phosphated molecule claim 1 , a sulfated molecule claim 1 , a boronic acid claim 1 , a boron containing acid claim 1 , or any combinations thereof.3. The method of claim 1 , wherein the substrate comprises a primer layer.4. The method of claim 1 , further comprising exposing the anionic layer to a second cationic solution to produce a second cationic layer deposited on the anionic layer.5. The method of claim 4 , further comprising exposing the second cationic layer to a second anionic solution to produce a second anionic layer on the second cationic ...

Multilayer Coating for Flame Retardant Substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.

ELECTRICALLY CONDUCTIVE AND DISSIPATIVE POLYURETHANE FOAMS

This invention relates to coated polyurethane foams and to a process for preparing coated polyurethane foams. More specifically, these coated polyurethane foams comprise (a) a polyurethane foam substrate, and (b) at least one bilayer of a coating composition on the foam substrate which comprises (1) a layer of a positively or negatively charged carbon allotrope, and (2) a layer of a positively or negatively charged polymer. When the carbon allotrope is positively charged, the other material is negatively charged, and vice versa. The final product (i.e. coated polyurethane foam) contains at least 1% by weight of the coating composition, based on 100% by weight of the coated polyurethane foam. The foams described herein have a surface resistivity of less than or equal to 10ohms per square. 1. A process for preparing a coated polyurethane foam comprising:(1) providing a polyurethane foam substrate;(2) applying a layer of a first material to the polyurethane foam substrate;(3) rinsing the coated polyurethane foam substrate with deionized water;(4) optionally, drying the coated polyurethane foam substrate with air;(5) applying a layer of a second material to the coated polyurethane foam substrate;(6) rinsing the coated polyurethane foam substrate with deionized water;(7) optionally, drying the coated polyurethane foam substrate with air;and(8) optionally, repeating the process to form additional bilayers of coatings on the polyurethane foam substrate; (a) carbon allotropes which are charged by direct covalent attachment to a cationic group,', '(b) carbon allotropes which are charged by direct covalent attachment to an anionic group,', '(c) non-covalent complexes of carbon allotropes with a surfactant that is cationically charged,', '(d) non-covalent complexes of carbon allotropes with a surfactant that is anionically charged,', '(e) mixtures of (a) and (c)', 'and', '(f) mixtures of (b) and (d);, 'wherein (i) said first material and said second material are oppositely ...

MULTILAYER BARRIER FILM

Multilayer film prepared by a layer-by-layer process that is an effective barrier for humidity and oxygen. 1. A coated structure , comprising:(a) a substrate having a surface; and (i) a first layer comprising a polycation, a polyanion, or a polar, non-ionic, water-soluble polymer, and', '(ii) a second layer comprising a platelet having a water content of less than 7% by weight., '(b) a coating substantially covering the surface, the coating comprising,'}2. (canceled)3. A coated structure , comprising:(a) a substrate having a surface; and (i) the first layer comprises a polycation, a polyanion, or a polar, non-ionic, water-soluble polymer, and', '(ii) the second layer comprises a platelet having a water content of less than 7% by weight., '(b) a coating substantially covering the surface, the coating comprising a plurality of alternating first and second layers, wherein'}4. (canceled)5. A coated structure , comprising:(a) a substrate having a surface; and (i) a polycation, a polyanion, or a polar, non-ionic, water-soluble polymer, or', '(ii) a platelet having a water content of less than 7% by weight,', 'wherein each layer comprising the platelet has adjacent layers comprising a polycation, a polyanion, or a polar, non-ionic, water-soluble polymer, and', 'wherein the coating comprises one or more layers comprising the platelet., '(b) a coating substantially covering the surface, the coating comprising a plurality of layers, wherein each layer comprises'}69-. (canceled)10. The structure of claim 1 , wherein the first layer is intermediate the substrate and second layer.11. The structure of claim 1 , wherein the second layer is intermediate the substrate and first layer.12. The structure of claim 1 , wherein the substrate is a sheet claim 1 , film claim 1 , or fiber.13. The structure of claim 1 , wherein the substrate is polymeric.14. (canceled)15. The structure of claim 1 , wherein the polycation is selected from the group consisting of linear polyethylenimine (LPEI) ...

High Performance Thermoelectric Materials

A method and device produce thermoelectric power and thermoelectric modules. In one embodiment, a thermoelectric module comprises N-type carbon nanotube film and P-type carbon nanotube film. 1. A thermoelectric module , comprising:(A) an N-type carbon nanotube film; and(B) a P-type carbon nanotube film.2. The thermoelectric module of claim 1 , wherein the N-type carbon nanotube film is fabricated by a method comprising: functionalizing a carbon nanotube with diethylenetriamine claim 1 , polyethyleneimine claim 1 , or any combinations thereof to fabricate the N-type carbon nanotube film.3. The thermoelectric module of claim 2 , further comprising reducing the N-type carbon nanotube film with NaBH.4. The thermoelectric module of claim 1 , wherein the P-type carbon nanotube film is synthesized by exposure to a CuSOsolution.5. The thermoelectric module of claim 4 , further comprising precipitating copper nanoparticles to decorate nanoparticles on the P-type carbon nanotube film.6. The thermoelectric module of claim 1 , wherein the N-type carbon nanotube film and P-type carbon nanotube film are connected in series.7. The thermoelectric module of claim 1 , further comprising a plurality of N-type carbon nanotube films and a plurality of P-type carbon nanotube films.8. The thermoelectric module of claim 1 , further comprising electrical insulation.9. The thermoelectric module of claim 8 , wherein the electrical insulation is arranged between each connected P-type carbon nanotube film and N-type carbon nanotube film.10. The thermoelectric module of claim 8 , wherein the electrical insulation comprises polytetrafluroethylene film.11. The thermoelectric module of claim 1 , further comprising an adhesive.12. The thermoelectric module of claim 11 , wherein the adhesive secures the N-type carbon nanotube film and the P-type carbon nanotube film to each other.13. The thermoelectric module of claim 11 , wherein the adhesive comprises silver and a carbon-based filler.14. The ...

Thin Film Diffusion Barrier

An elastomeric substrate has a material diffusion harrier, and a method produces the same. In an embodiment, a method for producing a material diffusion barrier on an elastomeric substrate includes exposing the elastomeric substrate to a cationic solution to produce a cationic layer on the elastomeric substrate. The method also includes exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer. The layer includes the cationic layer and the anionic layer. The layer comprises the material diffusion barrier. 1. A method for producing a material diffusion barrier on an elastomeric substrate , comprising:(A) exposing the elastomeric substrate to a cationic solution to produce a cationic layer on the elastomeric substrate;(B) exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer, wherein a layer comprises the cationic layer and the anionic layer, and wherein the layer comprises the material diffusion barrier.2. The method of claim 1 , further comprising:(C) exposing the anionic layer to a second cationic solution to produce a second cationic layer on the anionic layer, and wherein the layer comprises a trilayer comprising the cationic layer, the anionic layer, and the second cationic layer.3. The method of claim 1 , further comprising:(C) exposing the anionic layer to a second cationic solution to produce a second cationic layer on the anionic layer; and(D) exposing the second cationic layer to a second anionic solution to produce a second anionic layer on the second cationic layer, wherein the layer comprises a quadlayer comprising the cationic layer, the anionic layer, the second cationic layer, and the second anionic layer.4. The method of claim 1 , wherein the cationic solution comprises cationic materials claim 1 , and wherein the cationic materials comprise a polymer claim 1 , a colloidal particle claim 1 , a nanoparticle claim 1 , or any combinations thereof.5. The method of ...

Inner Liner Barrier from Multilayer Thin Film

A tire has a coating with a quadlayer or multiple quadlayers, and a method produces the same. In an embodiment, the method for coating a rubber substrate includes exposing the rubber substrate to a first cationic solution to produce a first cationic layer on the rubber substrate. The method also includes exposing the first cationic layer to a first anionic solution to produce a first anionic layer on the first cationic layer. In addition, the method includes exposing the first anionic layer to a second cationic solution to produce a second cationic layer on the first anionic layer. The method further includes exposing the second cationic layer to a second anionic solution to produce a second anionic layer on the second cationic layer. A quadlayer includes the first cationic layer, the first anionic layer, the second cationic layer, and the second anionic layer. The coating includes the quadlayer. 1. A method for coating a rubber substrate , comprising:(A) exposing the rubber substrate to a first cationic solution to produce a first cationic layer on the rubber substrate;(B) exposing the first cationic layer to a first anionic solution to produce a first anionic layer on the first cationic layer;(C) exposing the first anionic layer to a second cationic solution to produce a second cationic layer on the first anionic layer; and(D) exposing the second cationic layer to a second anionic solution to produce a second anionic layer on the second cationic layer, wherein a quadlayer comprises the first cationic layer, the first anionic layer, the second cationic layer, and the second anionic layer, and further wherein the coating comprises the quadlayer.2. The method of claim 1 , wherein the first cationic solution and the second cationic solution comprise cationic materials.3. The method of claim 2 , wherein the cationic materials comprise a polymer claim 2 , a colloidal particle claim 2 , a nanoparticle claim 2 , or any combinations thereof.4. The method of claim 3 , ...

Spray Formation of an Impermeable Barrier Layer on a Tire

A method is provided for forming an impermeable barrier layer on an inner tire surface of a tire. An assembly is also provided along with a kit for forming an impermeable barrier layer on an inner tire surface of a tire accordingly.

Nanocomposite conformal corrosion barrier coating

Metals across all industries demand anti-corrosion surface treatments and drive a continual need for high-performing and low-cost coatings. Ordered thin films comprising aligned inorganic platelets dispersed in a polyelectrolyte polymer matrix provide a new class of transparent conformal barrier coatings for protection in corrosive atmospheres. For example, films assembled via layer-by-layer deposition, as thin as 90 nm, are shown to reduce copper corrosion rates by >1000× in an aggressive HS atmosphere. These coatings can provide high-performing anti-corrosion treatment alternatives to costlier, more toxic, and less scalable thin films, such as graphene, hexavalent chromium, or atomic layer deposited metal oxides. 1. A corrosion barrier coating , comprising at least one layer of dispersed and aligned inorganic platelets in a polyelectrolyte polymer matrix deposited on a corrodible metal substrate.2. The coating of claim 1 , wherein the inorganic platelets comprise clay platelets.3. The coating of claim 2 , wherein the clay platelets comprise montmorillonite claim 2 , vermiculite claim 2 , or laponite.4. The coating of claim 1 , wherein the inorganic platelets comprise alumina claim 1 , graphene claim 1 , graphene oxide claim 1 , boron nitride claim 1 , or a layered double hydroxide.5. The coating of claim 1 , wherein the at least one layer of dispersed and aligned inorganic platelets in a polyelectrolyte polymer matrix comprises a layer of dispersed and aligned clay particles deposited on a polyelectrolyte polymer layer.6. The coating of claim 5 , wherein the clay platelets are anionic and the polyelectrolyte polymer layer comprises a cationic polymer layer.7. The coating of claim 6 , wherein the cationic polymer comprises polyethyleneimine or ethylene vinyl amine.8. The coating of claim 6 , wherein the polyelectrolyte polymer layer further comprises an anionic polymer layer.9. The coating of claim 8 , wherein the anionic polymer comprises poly(acrylic acid).10. ...

Aqueous Polyelectrolyte Complex as One Pot Nanocoating Solution to Impart Antiflammable Behavior to Various Substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes preparing a solution. The solution includes an anionic material, a cationic material, and water. The method further includes exposing the substrate to the solution to produce a coating on the substrate. The coating has cationic material and anionic material. 1. A flame-retardant coating comprising:a cationic material; andan anionic material, wherein a cumulative weight-percent of the cationic material and the anionic material depends upon a type of a substrate on which the cationic material and the anionic material are disposed.2. The flame-retardant coating of claim 1 , wherein the type of the substrate corresponds to a cotton fabric claim 1 , wherein a thickness of the flame-retardant coating is between 40 nanometers and 500 nanometers claim 1 , and wherein the cationic material and the anionic material comprise a polyelectrolyte complex.3. The flame-retardant coating of claim 1 , wherein the weight percent of the cationic material is between 1.0 weight percent and 99.0 weight percent claim 1 , and wherein the weight percent of the anionic material is between 1.0 weight percent and 99.0 weight percent such that the cumulative weight percent of the cationic material and the anionic material is 100 weight percent.4. The flame-retardant coating of claim 3 , wherein a thickness of the flame-retardant coating is between 10 nanometers and 1 micrometer.5. The flame-retardant coating of claim 3 , wherein a thickness of the flame-retardant coating is between 40 nanometers and 500 nanometers.6. The flame-retardant coating of claim 1 , wherein claim 1 , the flame-retardant coating passes a standard associated with a vertical flame test claim 1 , and wherein the vertical flame test corresponds to an American Society for Testing and Materials (ASTM) D6413 vertical flame test.7. The flame-retardant coating of claim 1 , wherein the cationic material comprises a ...

METHOD FOR APPLYING GAS-IMPERMEABLE COATINGS

A method of applying a gas-impermeable coating includes forming a polyelectrolyte complex suspension. The polyelectrolyte complex suspension is applied to a substrate. The substrate having the polyelectrolyte complex applied theron is treated. The treating reduces salt content of the polyelectrolyte complex. The treating results in a gas-impermeable coating being formed on the substrate

Spray Formation of an Impermeable Barrier Layer on a Tire

A method is provided for forming an impermeable barrier layer on an inner tire surface of a tire. An assembly is also provided along with a kit for forming an impermeable barrier layer on an inner tire surface of a tire accordingly.

Thin Film Diffusion Barrier

A coated substrate and method for producing the coated substrate provide a material diffusion barrier. In an embodiment, a method for producing a material diffusion barrier comprising a coating on an elastomeric substrate includes exposing the elastomeric substrate to a cationic solution to produce a cationic layer on the elastomeric substrate. The cationic solution comprises a polymer, a colloidal particle, a nanoparticle, a salt, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer. The anionic solution comprises an anionic polymer, a second colloidal particle, a second salt, or any combinations thereof. The coating comprises a bilayer comprising the cationic layer and the anionic layer.

Method for applying gas-impermeable coatings

A method of applying a gas-impermeable coating includes forming a polyelectrolyte complex suspension. The polyelectrolyte complex suspension is applied to a substrate. The substrate having the polyelectrolyte complex applied thereon is treated. The treating reduces salt content of the polyelectrolyte complex. The treating results in a gas-impermeable coating being formed on the substrate.

Electrostatically self-assembled antimicrobial coating for medical applications

A electrostatically self-assembled coating having a biologically active agent incorporated therein is provided. More particularly, a wound dressing having an antimicrobial coating within the dressing construction wherein an antimicrobial agent is released from the dressing over a period of time is produced using a layer-by-layer deposition process.

Method for applying gas-impermeable coatings

A method of applying a gas-impermeable coating includes forming a polyelectrolyte complex suspension. The polyelectrolyte complex suspension is applied to a substrate. The substrate having the polyelectrolyte complex applied thereon is treated. The treating reduces salt content of the polyelectrolyte complex. The treating results in a gas-impermeable coating being formed on the substrate.

Nanocomposite and method of making the same

A nanocomposite includes a stack that includes at least one bilayer. Each of the bilayers independently includes an anionic layer and cationic layer. The anionic layer includes a polyanionic polymer, first particles, or a combination thereof. The cationic layer includes a polycationic polymer, second particles, or a combination thereof. The anionic layer is in planar contact with the cationic layer. In each of the bilayers, the anionic layer includes the polyanionic polymer, the cationic includes the polycationic polymer, or a combination thereof.

Barreira de difusão de película fina

BARREIRA DE DIFUSÃO DE PELÍCULA FINA. Um substrato revestido e método para produzir o substrato revestido fornecem uma barreira de difusão de material. Em uma modalidade, um método para produzir uma barreira de difusão de material compreendendo um revestimento em um substrato elastomérico inclui expor o substrato elastomérico a uma solução catiônica para produzir uma camada catiônica no substrato elastomérico. A solução catiônica compreende um polímero, uma partícula coloidal, uma nanopartícula, um sal, ou qualquer combinação dos mesmos. O método ainda inclui, expor a camada catiônica para uma solução aniônica para produzir uma camada aniônica na camada catiônica. A solução aniônica compreende um polímero aniônico, uma segunda partícula coloidal, um segundo sal, ou qualquer combinação dos mesmos. O revestimento compreende uma bicamada compreendendo a camada catiônica e a camada aniônica.

Flame retardant nanocoated substrate

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, a geopolymer, a carbon-based filler, or any combinations thereof. The method also includes agitating the substrate. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.

Flame-retardant coatings including polyelectrolyte

A flame-retardant treatment composition includes a polyamine, a phosphoric acid methacrylate ester, and a photoinitiator. A flame-retardant coating includes a photopolymerized product of the flame-retardant treatment composition. A flame-retardant substrate includes a porous substrate such as wood or a fiber and the flame-retardant coating thereon.

Thin film diffusion barrier

A coated substrate and method for producing the coated substrate provide a material diffusion barrier. In an embodiment, a method for producing a material diffusion barrier comprising a coating on an elastomeric substrate includes exposing the elastomeric substrate to a cationic solution to produce a cationic layer on the elastomeric substrate. The cationic solution comprises a polymer, a colloidal particle, a nanoparticle, a salt, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer. The anionic solution comprises an anionic polymer, a second colloidal particle, a second salt, or any combinations thereof. The coating comprises a bilayer comprising the cationic layer and the anionic layer.

Thin film diffusion barrier

A rubber substrate has a material diffusion barrier, and a method produces the same. In an embodiment, a method for producing a material diffusion barrier on a rubber substrate includes exposing the rubber substrate to a cationic solution to produce a cationic layer on the rubber substrate. The method also includes exposing the cationic layer to an anionic solution 5 to produce an anionic layer on the cationic layer. The anionic layer comprises graphene oxide. The layer includes the cationic layer and the anionic layer. The layer comprises the material diffusion barrier.

Aqueous polyelectrolyte complex as one pot nanocoating solution to impart antiflammable behavior to various substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes preparing a solution. The solution includes an anionic material, a cationic material, and water. The method further includes exposing the substrate to the solution to produce a coating on the substrate. The coating has cationic material and anionic material.

Multilayer Coating for Flame Retardant Foam or Fabric

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution includes cationic materials. The cationic materials include polymers, nanoparticles, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a bilayer. The bilayer is the anionic layer and the cationic layer. The anionic solution includes layerable materials.

Improved inner liner barrier from multilayer thin film

A tire has a coating with a quadlayer or multiple quadlayers, and a method produces the same. In an embodiment, the method for coating a rubber substrate includes exposing the rubber substrate to a first cationic solution to produce a first cationic layer on the rubber substrate. The method also includes exposing the first cationic layer to a first anionic solution to produce a first anionic layer on the first cationic layer. In addition, the method includes exposing the first anionic layer to a second cationic solution to produce a second cationic layer on the first anionic layer. The method further includes exposing the second cationic layer to a second anionic solution to produce a second anionic layer on the second cationic layer. A quadlayer includes the first cationic layer, the first anionic layer, the second cationic layer, and the second anionic layer. The coating includes the quadlayer.

Multilayer coating for flame retardant substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.

多層薄膜からの改善したインナーライナーバリア

【課題】多層薄膜からの改善したインナーライナーバリアを提供すること。 【解決手段】ゴム基板を第１のカチオン性溶液に暴露して前記ゴム基板上に第１のカチオン層を製造する工程と、前記第１のカチオン層を第１のアニオン性溶液に暴露して前記第１のカチオン層上に第１のアニオン層を製造する工程と、前記第１のアニオン層を第２のカチオン性溶液に暴露して前記第１のアニオン層上に第２のカチオン層を製造する工程と、前記第２のカチオン層を第２のアニオン性溶液に暴露して前記第２のカチオン層上に第２のアニオン層を製造する工程とを含む、ゴム基板をコーティングする方法であって、四重層が前記第１のカチオン層、前記第１のアニオン層、前記第２のカチオン層および前記第２のアニオン層を含み、さらに前記コーティングが前記四重層を含む方法。 【選択図】図１

薄膜拡散バリア

【課題】ガスおよび蒸気に対する拡散バリアを改善すること。【解決手段】エラストマー基板は物質拡散バリアを有し、方法は同バリアを製造する。一実施形態では、エラストマー基板上に物質拡散バリアを製造する方法は、エラストマー基板をカチオン性溶液に暴露してエラストマー基板上にカチオン層を製造するステップを含む。本方法はまた、カチオン層をアニオン性溶液に暴露してカチオン層上にアニオン層を製造するステップを含む。層はカチオン層およびアニオン層を含む。層は物質拡散バリアを含む。【選択図】図１

Multilayer coating for flame retardant substrates

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.

Thin film diffusion barrier

Protective barrier for tires and application thereof

A tire has a material diffusion barrier, and a method produces the same. In an embodiment, a method for producing a material diffusion barrier on a tire comprises exposing a surface of the tire to a cationic solution to produce a cationic layer on the surface. The method further comprises exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer, wherein a layer comprises the cationic layer and the anionic layer. The layer comprises the material diffusion barrier.

Aqueous polyelectrolyte complex as one pot nanocoating solution to impart antiflammable behavior to various substrates

Improved inner liner barrier from multilayer thin film

Protective barrier for tires and application thereof

A tire has a material diffusion barrier, and a method produces the same. In an embodiment, a method for producing a material diffusion barrier on a tire comprises exposing a surface of the tire to a cationic solution to produce a cationic layer on the surface. The method further comprises exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer, wherein a layer comprises the cationic layer and the anionic layer. The layer comprises the material diffusion barrier.