Surface modified layered double hydroxide
US-2019270891-A1 · Sep 5, 2019 · US
Layered double hydroxide particles in hydrogel matrices
US2024270592A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2024270592-A1 |
| Application number | US-202218684597-A |
| Country | US |
| Kind code | A1 |
| Filing date | Aug 19, 2022 |
| Priority date | Aug 20, 2021 |
| Publication date | Aug 15, 2024 |
| Grant date | — |
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Abstract
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Exemplary layered double hydroxides (LDHs) may comprise a compound of formula Mg 4-y AlX y (OH) 2 , wherein X is Mn +2 , Cu +2 , Zn +2 , or Fe +2 , and 0.01≤y≤1. Exemplary layered double hydroxide hydrogels (LDH-gels) may comprise a hydrogel and at least one LDH. Exemplary hydrogels may comprise polyethylene (glycol) diacrylate (PEGDA) or polyacrylamide (PAAm). Exemplary LDH-gels may comprise at least one LDH comprising a compound of formula Mg 4-y AlX y (OH) 2 , wherein X is Mn +2 , Cu +2 , Zn +2 , or Fe +2 , and 0.01≤y≤1.
First claim
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1 . A layered double hydroxide (LDH), the LDH comprising: a compound of formula Mg 4-y AlX y (OH) 2 , wherein: 2 . The layered double hydroxide of claim 1 , wherein X is Zn +2 . 3 . The layered double hydroxide of claim 2 , wherein X is Fe +2 . 4 . The layered double hydroxide of claim 1 , wherein 0.2≤y≤1. 5 . The layered double hydroxide of claim 4 , wherein y is 0.2. 6 . The layered double hydroxide of claim 4 , wherein y is 0.4. 7 . The layered double hydroxide of claim 4 , wherein y is 1. 8 . A layered double hydroxide hydrogel (LDH-gel), the LDH-gel comprising a hydrogel and at least one layered double hydroxide (LDH), the at least one LDH comprising: a compound of formula Mg 4-y AlX y (OH) 2 , wherein: 9 . The LDH-gel of claim 8 , wherein the hydrogel comprises polyethylene (glycol) diacrylate (PEGDA), polyacrylamide (PAAm), or combinations thereof. 10 . The LDH-gel of claim 9 , wherein the hydrogel comprises polyethylene (glycol) diacrylate (PEGDA). 11 . The LDH-gel of claim 9 , wherein the hydrogel comprises polyacrylamide (PAAm). 12 . The LDH-gel of claim 8 , wherein X is Zn +2 . 13 . The LDH-gel of claim 8 , wherein X is Fe +2 . 14 . The LDH-gel of claim 8 , wherein the LDH-gel comprises more than one LDH comprising a compound of formula Mg 4-y AlX y (OH) 2 . 15 . The LDH-gel of claim 14 , wherein the LDH-gel comprises a first LDH comprising a compound of formula Mg 4-y AlX y (OH) 2 where X is Zn +2 and a second LDH comprising a compound of formula Mg 4-y AlX y (OH) 2 where X is Fe +2 . 16 . The LDH-gel of claim 8 , wherein 0.2≤y≤1. 17 . The LDH-gel of claim 16 , wherein y is 0.2. 18 . The LDH-gel of claim 16 , wherein y is 1. 19 . The LDH-gel of claim 8 , wherein the LDH-gel is in the form of a bead. 20 - 36 . (canceled)
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Phosphorus compounds · CPC title
using composite sorbents, e.g. coated, impregnated, multi-layered · CPC title
using inorganic sorbents · CPC title
Runoff or storm water · CPC title
depicted by an image · CPC title
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- What does patent US2024270592A1 cover?
- Exemplary layered double hydroxides (LDHs) may comprise a compound of formula Mg 4-y AlX y (OH) 2 , wherein X is Mn +2 , Cu +2 , Zn +2 , or Fe +2 , and 0.01≤y≤1. Exemplary layered double hydroxide hydrogels (LDH-gels) may comprise a hydrogel and at least one LDH. Exemplary hydrogels may comprise polyethylene (glycol) diacrylate (PEGDA) or polyacrylamide (PAAm). Exemplary LDH-gels may comprise a…
- Who is the assignee on this patent?
- Univ Duke
- What technology area does this patent fall under?
- Primary CPC classification C01F7/784. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Aug 15 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).