COATINGS CONTAINING FUNCTIONALIZED GRAPHENE SHEETS AND ARTICLES COATED THEREWITH

John M. Crain

Patent

Atlas literature

Patent

US 9,039,938

COATINGS CONTAINING FUNCTIONALIZED GRAPHENE SHEETS AND ARTICLES COATED THEREWITH

John M. Crain

Claims

Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.

11 independent · 20 dependent

1
Independentfunctionalized graphene sheetsbinderelectrically conductive coating
A coating, comprising functionalized graphene sheets and at least one binder: wherein the functionalized graphene sheets have a carbon to oxygen ratio of at least about 50:1.
1. 2
  Dependent← claim 1binder
  The coating of claim 1, wherein the binder is a polymeric binder.
2. 3
  Dependent← claim 1
  The coating of claim 1, further comprising one or more car ri ers.
3. 4
  Dependent← claim 1
  The coating of claim 1, further comprising one or more dispersants.
4. 5
  Dependent← claim 1electrically conductive coating
  The coating of claim 1, wherein the coating has an electrical conductivity of at least about 1 0-8 S/cm.
5. 6
  Dependent← claim 1electrically conductive coating
  The coating of claim 1, wherein the coating has an electrical conductivity of at least about 10 3 S/cm.
6. 7
  Dependent← claim 1functionalized graphene sheets
  The coating of claim 1, wherein the functionalized graphene sheets have a surface area of at least about 300 m 2/g.
7. 11
  Dependent← claim 1electrically conductive polymer
  The coating of claim 1, further comprising at least one electrically conductive polymer.
8. 12
  Dependent← claim 1carbonaceous material other than functionalized graphene sheets
  The coating of claim 1, further comprising at least one carbonaceous materials other than the functionalized graphene sheets.
9. 27
  Dependent← claim 1functionalized graphene sheets
  The coating of claim 1, wherein the functionalized graphene sheets have a carbon to oxygen ratio of at least about 100:1.
8
Independentfunctionalized graphene sheets
The coating of claim 1, wherein the functionalized graphene sheets have a surface area of from about 400 to about 2400 m2/g. 2 SVG 12866089.12-15-2014.I₃QB₈₇₃₁PXXIFW3.CLM₄343515.2.291.165.1177.269.svg 0.347 2.953 Graph Black and white Claims 9-10.
9
Independent
canceled
10
Independent
canceled
13
Independentfunctionalized graphene sheetsbinder
A method for coating a substrate having a surface, comprising the step of applying a coating comprising functionalized graphene sheets and at least one binder to the surface, wherein the functionalized g raphene sheets have a carbon to oxygen ratio of at least about 50:1.
1. 14
  Dependent← claim 13
  The method of claim 13, wherein the substrate comprises a polymeric material.
2. 15
  Dependent← claim 13
  The method of claim 13, wherein the substrate is a metal.
3. 16
  Dependent← claim 13
  The method of claim 13, wherein the substrate is a fabric, textile, or pulp product.
4. 17
  Dependent← claim 13
  The method of claim 13, wherein the coating has an electrical conductivity of at least about 10 -g S/cm. 3 SVG 12866089.12-15-2014.I₃QB₈₇₃₁PXXIFW3.CLM₄343516.1.298.174.1184.277.svg 0.343 2.953 Graph Black and white
5. 18
  Dependent← claim 13
  The method of claim 13, wherein the coating has an electrical conductivity of at least about 1 03 S/cm.
6. 19
  Dependent← claim 13functionalized graphene sheets
  The method of claim 13, wherein the functionalized graphene sheets have a surface area of at least about 300 m2/g.
7. 20
  Dependent← claim 13functionalized graphene sheets
  The method of claim 13, wherein the functionalized graphene sheets have a surface area of from about 400 to about 2400 m 2/g. original
8. 28
  Dependent← claim 13
  The method of claim 13, wherein the coating has an electrical conductivity of at least about 10 2 S/cm.
21
Independent
canceled
22
Independentfunctionalized graphene sheetsbindercoated article
An article coated with a coating comprising functionalized graphene sheets having at least one binder, wherein the functionalized graphene sheets have a carbon to oxygen ratio of at least about 50:1.
1. 23
  Dependent← claim 22coated article
  The article of claim 22 in the form of an electrical or electronic component housing.
2. 24
  Dependent← claim 22coated article
  The article of claim 22, wherein the coating has an electrical conductivity of at least about -g S/cm.
3. 25
  Dependent← claim 22coated article
  The article of claim 22, wherein the coating has an electrical conductivity of at least about 1 03 S/cm. original
26
Independent
canceled
29
Independentbinder
The coating of claim 1, wherein the binder is one or more polymers selected from the group consisting of poly (ethylene oxide) s, poly (propylene oxide) s, ethylene oxide/propylene oxide copolymers, cellulosic resins, ethyl cellulose, ethyl hydroxyethyl cellulose, carboxymethyl cellulose, cellulose acetate, cellulose acetate propionates, cellulose acetate butyrates, poly (vinyl butyral, polyvinyl alcohol, ethylene/vinyl acetate polymers, acrylic polymers and copolymers, styrene/acrylic copolymers, styrene/maleic anhydride copolymers, isobutylene/maleic anhydride copolymers, vinyl acetate/ethylene copolymers, ethylene/acrylic acid copolymers, polyoleﬁns, polystyrenes, oleﬁn and styrene copolymers, epoxy resins, acrylic latex polymers, polyester acrylate oligomers and polymers, polyesterdiol diacrylate polymers, UV-curable resins, and polyamides. Claims 30-31.
30
Independent
canceled
31
Independent
canceled

Device structures

Layer stacks claimed or described, ordered top of device to substrate.

electrically conductive coating

functionalized graphene sheetscoating

coated article

functionalized graphene sheetscoating

substratesubstrate

Materials

Materials described outside the worked examples.

functionalized graphene sheets

Coating Active Component

binder

Binder

Process steps

Additional fabrication and treatment steps described in the patent.

Thermal Exfoliation

Step 1

Temperature

250°C

Process details

notes:Exfoliation of graphite oxide at temperatures of at least 250°C, preferably 250 to 3000°C, to form high surface area functionalized graphene sheets

Reported properties

Performance values and ranges asserted in the specification or claims.

Property	Value	Material
electrical conductivity of coating (lower bound, claim 5/17/24)	≥ 1e-8 S/cm	—
electrical conductivity of coating (higher bound, claim 6/18/25/28)	≥ 1000 S/cm	—
FGS surface area (claim 7/19)

Why these are connected

Related documents with shared materials, methods, properties, or citations.

COATINGS CONTAINING FUNCTIONALIZED GRAPHENE SHEETS AND ARTICLES COATED THEREWITH | Matter42 Literature