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WO/2022/165329A1 |
An object of the present invention is to provide: a porous membrane comprising polytetrafluoroethylene and/or modified polytetrafluoroethylene, which has a small pore diameter, is difficult to break, and is resistant to an external force...
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WO/2022/160567A1 |
A preparation method for a modified inorganic membrane based on in situ reduction, and the use thereof. The preparation method for a modified inorganic membrane comprises: 1, preparing a catalyst loading layer; 2, loading a surface of an...
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WO/2022/155854A1 |
A single piece-type bipolar film roll with a mesh cloth support and a manufacturing method therefor. The single piece-type bipolar film roll is supported by a high-strength ultra-high molecular weight polyethylene mesh cloth, one side of...
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WO/2022/159780A1 |
Asymmetric films, methods of making asymmetric films, and uses of asymmetric films. A method may include using at least two different solvents and at least one homopolymer and at least one block copolymer that can undergo self assembly, ...
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WO/2022/152604A1 |
The present invention relates to a process for the separation of propylene from a gas mixture (GM) comprising propylene and propane by means of a membrane (M) comprising a polyarylene ether sulfone polymer (P) prepared by converting a re...
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WO/2022/155357A1 |
A gas separation membrane is provided. The gas separation membrane includes a poly(imide-oxadiazole) polymer including an oligomer having a structure comprising: [INSERT FORMULA]. In this structure, Ar1, Ar2, and Ar3 include aromatic moi...
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WO/2022/155190A1 |
A hydrogen-selective membrane including a metal leaf applied to a substrate. A system and method for fabricating a hydrogen-selective membrane, including applying a metal leaf to a substrate, annealing the metal leaf, applying a hydrogen...
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WO/2022/152748A1 |
The present relates to process for preparing a semi-permeable membrane, comprising the steps of: providing an aqueous phase comprising a polyfunctional amine monomer, covering a surface of a porous support membrane with the aqueous phase...
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WO/2022/147860A1 |
A method for preparing a superhydrophobic filter material of a bag-type dust collector and the use thereof, belonging to the field of the preparation of filter bags of bag-type dust collectors. The preparation method comprises: firstly p...
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WO/2022/147579A1 |
This disclosure relates to CO2-philic crosslinked polyethylene glycol membranes useful for natural gas purification processes. Also provided are methods of using the membranes to remove CO2 and H2S from natural gas.
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WO/2022/147535A1 |
A gas separation membrane, a method for making the gas separation membrane, and a method for using the gas separation membrane are provided. An exemplary gas separation membrane includes a polyether-block-polyamide (PEBA) matrix and a cr...
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WO/2022/145637A1 |
Provided is a solvent-resistant nanofiltration separation membrane which goes through a post-treatment process using a good solvent, so that the separation membrane performance may be effectively improved by an uncrosslinked selective la...
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WO/2022/145631A1 |
The present invention relates to a membrane which comprises a symmetrical membrane comprising an arranged pore layer, and an asymmetrical membrane formed on one or both surfaces of the symmetrical membrane, and thus has significantly imp...
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WO/2022/147515A1 |
A gas separation membrane, methods of forming the membrane, and methods of using the membrane for gas separation are provided. An exemplary gas separation membrane includes a cellulosic matrix and a polymer of intrinsic microporosity (PI...
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WO/2022/145781A1 |
The present invention relates to a hollow fiber membrane and a method for producing same, the hollow fiber membrane comprising, sequentially from the center: a first layer of a high-density sponge structure having pores of 1 nm or less i...
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WO/2022/136459A1 |
The present invention relates to a chromatographic material comprising a polymer network material-based self-supporting bi-continuous separation matrix for adsorptive material separation in liquid media, and a method of producing the chr...
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WO/2022/137137A1 |
A selectively permeable membrane for separating carbon dioxide from methane in a gaseous stream, the membrane comprising a carbonization product of a sulfonated poly(phenylene ether) copolymer, wherein the membrane has: a carbon dioxide ...
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WO/2022/136447A1 |
The present invention concerns gas-separation membranes. In some embodiments, the membranes comprise nano- or microislands or non-continuous metal layers suitable to adsorb, react with and/or otherwise retain at least one of the gases to...
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WO/2022/136166A1 |
Disclosed herein is a method of securing a membrane to a substrate, the method comprising: depositing a metal layer onto a surface of a substrate; and performing a bonding process that bonds a metal membrane onto the deposited metal layer.
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WO/2022/140437A1 |
A composite, method of making the composite, and method of using the composite are disclosed. The composite comprises a macroporous scaffold comprising pores; and a polymer matrix positioned within the pores; wherein the polymer matrix c...
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WO/2022/132051A1 |
The present invention relates to a composite membrane comprising at least one 2D material such as graphene oxide, graphene nanoplatelets or a mixture thereof, and an inorganic porous material such as gypsum, silicates and alumina. The co...
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WO/2022/132566A1 |
A low cost, high selectivity asymmetric polyimide/polyethersulfone (PES) blend hollow fiber membrane, a method of making the membrane and its use for a variety of liquid, gas, and vapor separations such as deep desulfurization of gasolin...
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WO/2022/129480A1 |
The present invention relates to a desalination and/or purification device (1), a desalination and/or purification carbon membrane, and a method of desalinating and/or purifying a liquid by using such a desalination and/or purification d...
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WO/2022/127635A1 |
A boron-removal reverse osmosis membrane and a preparation method therefor. The boron-removal reverse osmosis membrane comprises: a support layer formed on a surface of a substrate, the support layer comprising a polymer and a pore-formi...
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WO/2022/129063A1 |
The present invention relates to a continuous process for making polyolefines. The process involves a membrane-assisted separation of non-reacted olefins downstream a polymerisation reactor and enables economical production of polyolefin...
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WO/2022/121594A1 |
The present invention relates to the technical field of membrane separation, and discloses a method for preparing a nanofiber/MOFs-based preferential alcohol-permeable pervaporation membrane. The present invention first provides the stra...
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WO/2022/122389A1 |
Porous liquid-filtering membranes (102) are provided having a boundary region (303) substantially surrounding a pore region (302) and having greater tear resistance than the pore region (302). In various aspects, a liquid-filtering tear-...
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WO/2022/124987A1 |
A thin film composite hollow fibre membrane There is provided a thin film composite (TFC) hollow fibre membrane comprising a porous hollow fibre support layer and a selective layer, formed of a cross-linked polyamide comprising amino-fun...
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WO/2022/123428A2 |
A polymeric membrane. The membrane can include a polymeric membrane made from a polymer selected from an aromatic sulfone polymer, polyamide, cellulose, cellulose acetate, polymethylmethacrylate, polyvinylalcohol, and polyacrylnitril, wh...
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WO/2022/122769A1 |
The present invention relates to a composition for the manufacturing of a porous article, notably a membrane, which comprises a poly(arylene sulphide) and at least one water-soluble salt. The present invention also relates to a method fo...
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WO/2022/125452A1 |
This disclosure provides certain strong cation-modified ion exchange resins and membranes useful for carrying out the removal of metal and metal ion contaminants in fluid compositions. Filtered liquid compositions with significantly redu...
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WO/2022/121102A1 |
Disclosed are a porous polymer-modified metal carbon nanotube composite film, a preparation method therefor and the use thereof. The method comprises the following steps: mixing an acidified carbon nanotube film with a modification liqui...
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WO/2022/123497A1 |
A thermally-crosslinked membrane comprising a poly(1,2,4-triazole)-polymer that includes recurring hydroxyl-functionalized triazole units is described. The polymer has the structure of formula I: (I) wherein Ar describes an aromatic or h...
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WO/2022/121101A1 |
A method for separating dye-containing wastewater based on a porous polymer-modified metal carbon nanotube composite membrane, the method comprising: mixing an acidified carbon nanotube membrane with a modifying solution and then reactin...
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WO/2022/124554A1 |
The present invention relates to a polyamide reverse osmosis membrane having excellent durability and antifouling properties and a method for manufacturing same, the polyamide reverse osmosis membrane comprising: a porous support; a poly...
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WO/2022/125741A1 |
Reverse osmosis membranes resembling graphene oxide formed on the surface of porous substrates and methods for their fabrication are disclosed. The fabrication of these membranes is accomplished through the interfacial polymerization of ...
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WO/2022/120561A1 |
A water-soluble gel membrane having a virus enrichment function and a preparation method therefor and an application thereof. A preparation method for a chitosan water-soluble membrane is specifically disclosed, and comprises the followi...
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WO/2022/115438A1 |
Disclosed herein is a porous membrane comprising a porous substrate; a porous ceramic coating disposed on the porous substrate; where an average pore size of pores in the porous substrate are larger than an average pore size of pores in ...
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WO/2022/115385A1 |
Described are porous filter membranes that include two opposed sides, a thickness, and a porous structure between the opposed sides; filter components and filters that include this type of porous filter membrane; methods of making the po...
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WO/2022/115584A1 |
In a method for making a nanofiltration membrane, an ultrafiltration membrane is disposed onto a support module. A plurality of interface polymerization reactants is applied to the ultrafiltration membrane. The interface polymerization r...
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WO/2022/112150A1 |
The present invention relates to a solution comprising at least one sulfone polymer and N-tert.-butyl-2-pyrrolidone, the process of making a membrane and the use of this membrane for water treatment.
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WO/2022/106786A1 |
The subject of the invention relates to a separating element comprising: - an inorganic one-piece rigid porous support (2) having, on one side, a first outer planar surface (3) and, on an opposite side, a second outer planar surface (4);...
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WO/2022/105937A1 |
A preparation method for a fouling-resistant and anti-yellowing composite reverse osmosis membrane. By means of modifying stability and yellowing problems of a reverse osmosis membrane coating, and using living polymerization to graft th...
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WO/2022/103091A1 |
Provided are a porous aramid nanofiber thin film, a method for manufacturing same, and a secondary battery comprising same. The method for manufacturing the porous aramid nanofiber thin film comprises forming an aramid nanoseed suspensio...
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WO/2022/104072A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a polyvinylidene fluoride (PVDF)-based solvent and a polyvinylpyrrolidone (PVP)-based modifying agent, ...
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WO/2022/104089A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a plurality of titanium dioxide (TiO2) nanoparticles, a polyvinylidene fluoride (PVDF)-based solvent, a...
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WO/2022/103328A1 |
There is provided a method of forming a cross-linked polymeric membrane, the method comprising: contacting a polymeric membrane with a cross-linking solution to form the cross-linked polymeric membrane, wherein the cross- linking solutio...
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WO/2022/090975A1 |
The present disclosure relates to a method of preparing oxide and non-oxide ceramic filtration elements with a high abrasion resistance, wherein the process of manufacture allows low sinter temperatures in the presence of atmospheric oxy...
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WO/2022/089970A1 |
The invention relates to a method for producing a layered device (1) having a plurality of layers (4, 5), comprising the following steps: - providing an assembly aid layer (2) with an auxiliary layer surface (3), the auxiliary layer surf...
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WO/2022/094004A1 |
A hollow fiber membrane and methods of making the hollow fiber membrane are described. The membrane includes a hydrophobic polymer such as polysulfone, a hydrophilic polymer such as polyvinylpyrrolidone (PVP), and a fluropolymer additive...
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