Rubber composition, method for preventing discoloration of rubber composition, and tire
US-9200141-B2 · Dec 1, 2015 · US
Graphene compositions
US9434834B1 · US · B1
| Field | Value |
|---|---|
| Publication number | US-9434834-B1 |
| Application number | US-201113079001-A |
| Country | US |
| Kind code | B1 |
| Filing date | Apr 3, 2011 |
| Priority date | Apr 3, 2010 |
| Publication date | Sep 6, 2016 |
| Grant date | Sep 6, 2016 |
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- Title
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- Abstract
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Abstract
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Compositions comprising graphene sheets, at least one binder, and a carrier system, wherein about 1 to about 50 weight percent of the carrier system comprises at least one cyclic amide, cyclic imide, and/or lactone. The compositions may be used as coatings and inks.
First claim
Opening claim text (preview).
The invention claimed is: 1. A composition comprising graphene sheets, graphite, at least one binder, and a carrier system, wherein about 1 to about 50 weight percent of the carrier system comprises at least one cyclic imide and/or lactone and wherein the ratio by weight of graphite to graphene sheets is from about 50:50 to about 85:15. 2. The composition of claim 1 , wherein the carrier system comprises about 1 to about 40 weight percent of at least one cyclic imide and/or lactone. 3. The composition of claim 1 , wherein the carrier system comprises about 3 to about 40 weight percent of at least one cyclic imide and/or lactone. 4. The composition of claim 1 , wherein the binder is one or more selected from acrylate polymers, polyamides, and poly(vinyl butyral). 5. The composition of claim 1 , wherein the carrier system comprises gamma-butyrolactone. 6. The composition of claim 1 , further comprising silver. 7. The composition of claim 1 , wherein the graphene sheets have a surface area of at least about 400 m 2 /g. 8. The composition of claim 1 , wherein the graphene sheets have a surface area of at least about 500 m 2 /g. 9. The composition of claim 1 , wherein the graphene sheets have a carbon to oxygen ratio of at least about 10:1. 10. The composition of claim 1 , wherein the graphene sheets have a carbon to oxygen ratio of at least about 25:1. 11. The composition of claim 1 , wherein the graphene sheets have a carbon to oxygen ratio of at least about 75:1. 12. The composition of claim 1 in the form of an ink or coating. 13. The composition of claim 1 , wherein from about 1 to about 30 weight percent of the carrier system comprises at least one cyclic imide and/or lactone. 14. The composition of claim 1 , wherein from about 5 to about 40 weight percent of the carrier system comprises at least one cyclic imide and/or lactone. 15. The composition of claim 1 , wherein from about 5 to about 30 weight percent of the carrier system comprises at least one cyclic imide and/or lactone.
Assignees
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Classifications
Polyesters derived from dicarboxylic acids and dihydroxy compounds; (C08J2367/06 takes precedence) · CPC title
Conductive additives · CPC title
containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds · CPC title
from unsaturated acids or derivatives thereof · CPC title
- C08K5/1535Primary
Five-membered rings · CPC title
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Frequently asked questions
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- What does patent US9434834B1 cover?
- Compositions comprising graphene sheets, at least one binder, and a carrier system, wherein about 1 to about 50 weight percent of the carrier system comprises at least one cyclic amide, cyclic imide, and/or lactone. The compositions may be used as coatings and inks.
- Who is the assignee on this patent?
- Redmond Kate, Scheffer Dan, Martin Christy V, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C08K5/1535. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Sep 06 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).