High aspect ratio layered double hydroxide materials and methods for preparation thereof
US-2017267623-A1 · Sep 21, 2017 · US
Synthesis of magnesium adamantane salts and magnesium oxide nanocomposites, and systems and methods including the salts or the nanocomposites
US10106482B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10106482-B2 |
| Application number | US-201715453180-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 8, 2017 |
| Priority date | Mar 17, 2016 |
| Publication date | Oct 23, 2018 |
| Grant date | Oct 23, 2018 |
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Abstract
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A method for preparing a magnesium adamantane carboxylate salt is provided. The method includes mixing a magnesium salt and a diamondoid compound having at least one carboxylic acid moiety to form a reactant mixture and hydrothermally treating the reactant mixture at a reaction temperature for a reaction time to form the magnesium adamantane carboxylate salt.
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What is claimed is: 1. A method for preparing a magnesium adamantane carboxylate salt, the method comprising: mixing a magnesium salt and a diamondoid compound having at least one carboxylic acid moiety to form a reactant mixture; and hydrothermally treating the reactant mixture at a reaction temperature for a reaction time to form the magnesium adamantane carboxylate salt. 2. The method of claim 1 , wherein the magnesium salt and the diamondoid compound are mixed in amounts that provide a ratio of Mg 2+ to diamondoid compound in the reaction mixture of from 0.5:1 to 1.0:1. 3. The method of claim 1 , wherein the magnesium salt is Mg(OH) 2 . 4. The method of claim 1 , wherein the diamondoid compound is 1-adamantane carboxylic acid. 5. The method of claim 1 , wherein the reaction temperature is from 100° C. to 180° C. 6. The method of claim 1 , wherein the reaction temperature is from 140° C. to 160° C. 7. The method of claim 1 , wherein the reaction time is at least 12 hours. 8. The method of claim 1 , wherein the magnesium adamantane carboxylate salt comprises a layered morphology. 9. The method of claim 8 , wherein the layered morphology comprises a plurality of layers lacking edge-to-face connections. 10. The method of claim 8 , wherein the layered morphology comprises a plurality of layers each having aspect ratios greater than 500. 11. A method for preparing a nanocomposite, the method comprising: thermally decomposing a magnesium adamantane carboxylate salt to form the nanocomposite; the magnesium adamantane carboxylate salt prepared by: mixing a magnesium salt and a diamondoid compound having at least one carboxylic acid moiety to form a reactant mixture; and hydrothermally treating the reactant mixture at a reaction temperature for a reaction time to form the magnesium adamantane carboxylate salt. 12. The method of claim 11 , wherein thermally decomposing the magnesium adamantane carboxylate salt comprises heating the magnesium adamantane carboxylate salt in air at a decomposition temperature for a decomposition time. 13. The method of claim 12 , wherein the decomposition temperature is at least 450° C. 14. The method of claim 12 , wherein the decomposition time is at least 4 hours. 15. The method of claim 11 , wherein the nanocomposite comprises magnesium oxide particles dispersed on a carbon support. 16. The method of claim 11 , wherein the nanocomposite comprises a microporous sheet morphology. 17. A catalyst system comprising: (a) a magnesium adamantane carboxylate salt prepared by: mixing a magnesium salt and a diamondoid compound having at least one carboxylic acid moiety to form a reactant mixture; and hydrothermally treating the reactant mixture at a reaction temperature for a reaction time to form the magnesium adamantane carboxylate salt; (b) a nanocomposite prepared by: thermally decomposing the magnesium adamantine carboxylate of (a) to form the nanocomposite; or (c) a mixture of (a) and (b).
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by d-values or two theta-values, e.g. as X-ray diagram · CPC title
obtained by SEM · CPC title
Decomposition and pyrolysis · CPC title
obtained by TEM, STEM, STM or AFM · CPC title
by IR- or Raman-data · CPC title
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- What does patent US10106482B2 cover?
- A method for preparing a magnesium adamantane carboxylate salt is provided. The method includes mixing a magnesium salt and a diamondoid compound having at least one carboxylic acid moiety to form a reactant mixture and hydrothermally treating the reactant mixture at a reaction temperature for a reaction time to form the magnesium adamantane carboxylate salt.
- Who is the assignee on this patent?
- Saudi Arabian Oil Co, Univ Durham
- What technology area does this patent fall under?
- Primary CPC classification C07C51/418. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Oct 23 2018 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 6 related publications on this page (citations in our corpus or others sharing the same primary CPC).