Method for manufacturing silver nanoparticle-containing ink, and silver nanoparticle-containing ink
US-9422443-B2 · Aug 23, 2016 · US
Method for producing silver nanoparticles, silver nanoparticles, and silver coating material composition
US9656322B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9656322-B2 |
| Application number | US-201314419606-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 29, 2013 |
| Priority date | Aug 7, 2012 |
| Publication date | May 23, 2017 |
| Grant date | May 23, 2017 |
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- Title
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Abstract
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The present invention provides silver nano-particles that are excellent in stability and develop excellent conductivity by low-temperature calcining, a method for producing the silver nano-particles, and a silver coating composition comprising the silver nano-particles. A method for producing silver nano-particles comprising: mixing a silver compound with an aliphatic amine comprising at least a branched aliphatic hydrocarbon monoamine (D) comprising a branched aliphatic hydrocarbon group and one amino group, said branched aliphatic hydrocarbon group having 4 or more carbon atoms, to form a complex compound comprising the silver compound and the amine; and thermally decomposing the complex compound by heating to form silver nano-particles.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for producing silver nano-particles comprising: mixing a silver compound with an aliphatic amine component comprising at least a linear aliphatic hydrocarbon monoamine (A) comprising a linear aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 6 or more carbon atoms in total and a branched aliphatic hydrocarbon monoamine (D) comprising a branched aliphatic hydrocarbon group and one amino group, said branched aliphatic hydrocarbon group having 4 or more carbon atoms, to form a complex compound comprising the silver compound and the amines; and thermally decomposing the complex compound by heating to form silver nano-particles. 2. The method for producing silver nano-particles according to claim 1 , wherein the silver compound is silver oxalate. 3. The method for producing silver nano-particles according to claim 1 , wherein the branched aliphatic hydrocarbon group in the branched aliphatic hydrocarbon monoamine (D) has 4 to 16 carbon atoms. 4. The method for producing silver nano-particles according to claim 1 , wherein the aliphatic amine further comprises at least one of: a linear aliphatic hydrocarbon monoamine (B) comprising a linear aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 5 or less carbon atoms in total; and an aliphatic hydrocarbon diamine (C) comprising an aliphatic hydrocarbon group and two amino groups, said aliphatic hydrocarbon group having 8 or less carbon atoms in total. 5. The method for producing silver nano-particles according to claim 4 , wherein the aliphatic hydrocarbon monoamine (B) is an alkylmonoamine having 2 or more and 5 or less carbon atoms. 6. The method for producing silver nano-particles according to claim 4 , wherein the aliphatic hydrocarbon monoamine (B) is a butylamine. 7. The method for producing silver nano-particles according to claim 1 , wherein the aliphatic hydrocarbon monoamine (A) is an alkylmonoamine having 6 or more and 12 or less carbon atoms. 8. The method for producing silver nano-particles according to claim 1 , wherein the branched aliphatic hydrocarbon monoamine (D) is contained in an amount of 10 mol % to 50 mol % of a total of the aliphatic amine. 9. The method for producing silver nano-particles according to claim 1 , wherein the aliphatic amine is used in a total amount of 1 to 50 moles per 1 mole of silver atoms in the silver compound. 10. Silver nano-particles produced by the method according to claim 1 . 11. A silver coating composition comprising silver nano-particles produced by the method according to claim 1 , and an organic solvent. 12. A silver conductive material comprising: a substrate, and a silver conductive layer obtained by applying, onto the substrate, a silver coating composition comprising silver nano-particles produced by the method according to claim 1 and an organic solvent, and calcining the silver coating composition.
Assignees
Inventors
Classifications
by dry processes · CPC title
- B22F9/30Primary
with decomposition of metal compounds, e.g. by pyrolysis · CPC title
mainly consisting of metals or alloys · CPC title
Silver · CPC title
Manufacture or treatment of nanostructures · CPC title
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Frequently asked questions
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- What does patent US9656322B2 cover?
- The present invention provides silver nano-particles that are excellent in stability and develop excellent conductivity by low-temperature calcining, a method for producing the silver nano-particles, and a silver coating composition comprising the silver nano-particles. A method for producing silver nano-particles comprising: mixing a silver compound with an aliphatic amine comprising at least …
- Who is the assignee on this patent?
- Daicel Corp
- What technology area does this patent fall under?
- Primary CPC classification B22F9/30. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue May 23 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).