US2019083943A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2019083943-A1 |
| Application number | US-201716079600-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 24, 2017 |
| Priority date | Feb 25, 2016 |
| Publication date | Mar 21, 2019 |
| Grant date | — |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
A monolayer membrane containing gelling polymer particles having at least one of a basic functional group and an acidic functional group, and having a thickness of less than 5 μm. A composite having a porous carrier and gelling polymer particles having at least any one of a basic functional group and an acidic functional group and filling up the surface pores of the porous carrier. The invention can provide a novel material capable of efficiently separating an acid gas from a mixed gas.
Opening claim text (preview).
1 - 83 . (canceled) 84 . A monolayer membrane containing gelling polymer particles having at least one of a basic functional group and an acidic functional group, and having a thickness of less than 5 μm. 85 . The monolayer membrane according to claim 84 , wherein the polymer compound constituting the gelling polymer particles is a polymer of a monomer component containing a monomer having at least one of a basic functional group and an acidic functional group, and the monomer component contains a monomer having an amino group and a monomer having a hydrophobic group, and the molar ratio of the amino group-having monomer to the hydrophobic group-having monomer is 1/95 to 95/5. 86 . The monolayer membrane according to claim 85 , wherein the amino group-having monomer is an N-(aminoalkyl)methacrylamide and the hydrophobic group-having monomer is an N-alkylacrylamide. 87 . The monolayer membrane according to claim 84 , wherein the gelling polymer particles are particles of a polymer compound infiltrated with a basic molecule. 88 . The monolayer membrane according to claim 84 , containing gelling polymer particles having an acidic functional group and gelling polymer particles having a basic functional group. 89 . The monolayer membrane according to claim 84 , wherein among the gelling polymer particles, a crosslinked structure is formed between at least a part of the gelling polymer particles. 90 . The monolayer membrane according to claim 84 , wherein the membrane stabilizer contains a polyvinylamine or a polyvinylamine derivative. 91 . The monolayer membrane according to claim 84 , containing a titanium crosslinking agent. 92 . A composite having a porous carrier and gelling polymer particles of claim 84 and filling up the surface pores of the porous carrier. 93 . The composite according to claim 93 , wherein the pore diameter of the surface pores gradually reduces toward the inside of the porous carrier. 94 . The composite according to claim 93 , wherein the porous carrier has an OH group or a COOH group in the surface thereof or the surface of the porous carrier is hydrophilized. 95 . The composite according to claim 93 , wherein the mean square roughness of the composite surface is 5 μm or less. 96 . A gas separation material having the composite of claim 93 . 97 . The gas separation material according to claim 96 , wherein the carbon dioxide permeance at 40° C. is 10 GPU or more and the nitrogen permeance at 40° C. is 100 GPU or less. 98 . The gas separation material according to claim 96 , wherein a plurality of the composites are connected in series.
Adsorbents being present on the surface of the membranes or in the pores · CPC title
characterised by their properties · CPC title
Nitrogen · CPC title
by deposition from the liquid phase, e.g. electrochemical deposition (B01D67/0046 takes precedence) · CPC title
Manufacture of shaped structures of ion-exchange resins · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.