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WO/2022/252484A1 |
Disclosed are a polymer self-supporting nanofilm, a continuous and macro-scale preparation method therefor and an application thereof. The preparation method comprises the following steps: (1) uniformly coating an ionic liquid solution o...
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WO/2022/255055A1 |
This mixed gas separation method involves: a step (step S11) for preparing a separation membrane (12); and a step (step S12) for supplying, to the separation membrane (12), a mixed gas including multiple kinds of gases, and causing a gas...
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WO/2022/255453A1 |
Provided are an air filter medium, a pleat pack, an air filter unit, a mask filtering medium, and a method of recycling air filter medium that allow for reuse with minimal performance loss from performing a sterilization treatment. An ai...
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WO/2022/255877A1 |
The present invention relates to a method for manufacturing a carbon membrane supported on a ceramic support. The present invention also relates to a carbon membrane prepared from hydroquinone on a ceramic tubular support and to the use ...
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WO/2022/253613A1 |
The invention relates to a filter element which is designed to have a pocket-like or tubular shape with an interior extending in a longitudinal direction and which comprises a multilayer structure that has a permeable outer layer, a perm...
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WO/2022/250116A1 |
The present invention addresses the problem of achieving a novel reverse osmosis membrane (more specifically, reverse osmosis composite membrane) that is capable of suppressing biofouling. The problem is solved by using a reverse osmosis...
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WO/2022/249839A1 |
For the purpose of providing a separation membrane which is excellent in terms of low fouling properties, separation performance and water permeability, while having high chemical resistance, a separation membrane according to the presen...
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WO/2022/245080A1 |
The present invention relates to a method for manufacturing a thin film composite membrane for alkaline water electrolysis, and to a thin film composite membrane for alkaline water electrolysis. The present invention can provide a thin f...
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WO/2022/243976A1 |
Provided are methods and materials for preparing a metal-polymer coordination membrane by immersing a pre-formed membrane in a crosslinking bath comprising a non-solvent and a polymer coordinating agent comprising at least one metal, whe...
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WO/2022/246202A1 |
Fiber compositions are provided that incorporate metal organic framework (MOF) materials into the polymeric matrix of the fiber. The metal organic framework materials can be incorporated by including MOF particles into a "dope" or synthe...
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WO/2022/242051A1 |
The present invention relates to the technical field of nanofiltration pretreatment. Specifically disclosed are a novel functional nanofiber back-washable precise filter cartridge filtering apparatus and method. The apparatus comprises a...
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WO/2022/241069A1 |
A fluorinated copolymer having pendant amide functionality is disclosed in an aspect herein. A membrane from the fluorinated copolymer having at least some of the pendant amide functionality hydrolyzed to pendant amine functionality is h...
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WO/2022/239333A1 |
An air-supply module according to one embodiment of the present disclosure can supply a gas to a liquid supplied inside hollow fiber membranes, and is provided with: a case containing a fluororesin as the main component; and a plurality ...
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WO/2022/239873A1 |
A manufacturing system is provided which can convert from carbon dioxide and hydrogen to a methanol and dimethyl ether mixture with high yield. In this CO2 conversion device, for reacting CO2 and hydrogen as raw materials and converting ...
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WO/2022/239843A1 |
[Problem] To provide: an in-liquid substance separation membrane molded body that is made of highly chemical-resistant components, has a high membrane solvent permeation speed, and efficiently separates the substances (e.g., the ionic or...
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WO/2022/234904A1 |
The present invention relates to a cross-linked copolymer, a gas separation membrane comprising same, a method for preparing the cross-linked copolymer, and a method for manufacturing the gas separation membrane, and, more specifically, ...
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WO/2022/236065A1 |
The disclosure provides certain porous membranes comprised of cyclic polyolefin polymers, such as poly(norbornene)s. In one embodiment, a poly(norbornene) polymer is dissolved in tetrahydrofuran, cast into a film and subjected to solvent...
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WO/2022/229748A1 |
A polymeric membrane. The polymeric membrane includes a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with electron beam, wherein the polymeric membrane is selected from polyamide me...
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WO/2022/230923A1 |
The present invention uses poly(4-methyl-1-pentene), which is excellent in chemical resistance and gas permeability, to provide a separation membrane having high strength and low leakage while maintaining high gas permeability. Provided ...
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WO/2022/227838A1 |
A preparation method for a hollow fiber inorganic membrane, relating to a preparation method for a hollow fiber inorganic membrane. The objective of the present invention is to solve the problem that the existing membrane technology cann...
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WO/2022/230546A1 |
Provided is a porous polyimide film having an excellent gas permeation rate. The porous film is constituted from a porous material comprising either a polyimide resin or a polyimide resin composition including a polyimide resin and has...
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WO/2022/232329A1 |
Disclosed is a membrane with one or more dry-process porous layers that comprise (1) a polyolefin and (2) a product formed by reacting two components, which may be a compound with one or more carboxy groups and a compound with one or mor...
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WO/2022/229742A1 |
Tetrablock copolymers of formula ABAC are provided that can be used to form porous articles such as porous hollow fibers and porous membranes. Each A block is formed from a vinyl aromatic monomer, the B block is formed from a conjugated ...
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WO/2022/228227A1 |
A high-throughput silicon carbide ceramic filter membrane and a preparation method therefor. A process for directly coating a separation layer for a single time on the basis of a carrier is used, that is, after the carrier is sintered, t...
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WO/2022/228022A1 |
A micro-swelling type biocompatible membrane (1) and a preparation method therefor. The preparation method for the micro-swelling type biocompatible membrane (1) comprises the following steps: the synthesis of a copolymer containing a sk...
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WO/2022/231002A1 |
The present invention relates to a hollow fiber membrane in which the thickness L of a spherical structure layer is 60–500 μm (inclusive), the spherical structure layer has a first surface and a second surface, the average diameter Da...
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WO/2022/229889A1 |
Viral filtration media, an article comprising the viral filtration media, and a method of filtering a virus-containing sample using the viral filtration media, wherein the viral filtration media comprises: a porous substrate comprising a...
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WO/2022/221992A1 |
Hydrophilic vinylidene fluoride copolymers and preparation method thereof are provided. The copolymers comprise recurring units derived from hydrophilic monomers. The use of the same for producing articles characterized by improved perfo...
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WO/2022/224066A1 |
A method of producing a structured MOF composite tape by immobilizing metal chalcogenide particles into a polymer matrix, and then converting the metal chalcogenide into MOF in-situ. In some embodiments, the conversion is from ZnO- PTFE ...
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WO/2022/214341A1 |
The present invention relates to a solution comprising at least one polymer P, at least one water soluble 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/2022/215685A1 |
The present invention relates to a method for manufacturing a hollow-fiber membrane by: discharging a spinning stock solution that contains 10–40% by mass of a polysulfone-based resin, 1–30% by mass of polyvinylpyrrolidone, and 1–8...
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WO/2022/209002A1 |
This separation membrane composite body (1) is provided with: a porous supporting body (11); an intermediate membrane (12) which is a polycrystalline membrane that is provided on a surface of the supporting body (11), while having pores ...
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WO/2022/212900A1 |
A filter media comprises a layer of porous material having a patterned outer surface comprising a plurality of structures. Each structure in the plurality has at least a predetermined height based on an expected contaminant and spacing b...
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WO/2022/212412A1 |
Provided are porous polymeric filter membranes comprising a polymer having admixed therein at least one carbonaceous material. The membranes are capable of removing trace amounts of various impurities from a liquid composition, including...
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WO/2022/208202A1 |
An asymmetric membrane. The asymmetric membrane includes a membrane wall with a first and a second porous surface and an interior situated between the surfaces; a first asymmetrical region towards the first surface; a second asymmetrical...
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WO/2022/207492A1 |
A process for the production of particles comprising polyarylene (ether) sulfone, comprising the agglomeration of fine-particle material comprising polyarylene (ether) sulfone, particles comprising polyarylene (ether) sulfone and a proce...
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WO/2022/207359A1 |
A gas separation membrane comprising the following layers: (i) a porous support layer; and (ii) a discriminating layer comprising groups of the Formula (1): M-(O-)x, wherein: M is a metal or metalloid atom; O is an oxygen atom; and x has...
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WO/2022/208201A1 |
A hollow-fiber membrane. The hollow-fiber membrane is made from a polymeric blend comprising an aromatic sulfone polymer and polyoxazoline; wherein the hollow-fiber membrane comprises an inner surface facing towards its lumen, an outer s...
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WO/2022/207439A1 |
The invention is directed to a solution comprising from 0.05 to 7.5 parts by weight of a polyhydroxyamide and from 99.95 to 92.55 parts by weight of one or more alcohols, selected from isopropanol, n-propanol, and ethanol, wherein the po...
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WO/2022/207360A1 |
A gas separation membrane comprising the following layers: (i) a support layer; (ii) a discriminating layer comprising groups of the Formula (1): M-(O-)x wherein: M is a metal or metalloid atom; O is an oxygen atom; and x has a value of ...
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WO/2022/207234A1 |
A gas-separation membrane comprising the following components: (i) a porous substrate; and (ii) a discriminating layer in contact with the porous substrate; wherein the discriminating layer comprises a crosslinked copolymer of Formula 1,...
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WO/2022/207361A1 |
A gas separation membrane comprising the following layers: (i) a support layer; (ii) a layer comprising a crosslinked polysiloxane; (iii) a discriminating layer comprising groups of the Formula (1): M-(O-)x,wherein: M is a metal or metal...
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WO/2022/207613A2 |
Porous liquid-filtering membranes (101, 201, 401, 501, 601) having a repeatable distribution of pores (105, 205, 405, 505, 605) of a small dimension are provided, as well as pillar templates (200, 400, 500, 600) that are used to produce ...
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WO/2022/207233A1 |
A gas-separation membrane comprising the following components: (i) a porous substrate; and (ii) a discriminating layer in contact with the porous substrate; wherein the discriminating layer is obtainable by curing a composition comprisin...
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WO/2022/212357A1 |
Described herein are gas separation membranes that provide improved compatibility between the gutter layer and the porous support and/or the separation layer for gases. Such composite membranes have a high water/air selectivity in permea...
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WO/2022/209849A1 |
The present invention addresses the problem of providing a membrane reactor with which a processing amount and a processing speed are achieved simultaneously, the gist of the present invention lying in a membrane reactor including, in a ...
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WO/2022/207358A1 |
A gas separation membrane comprising the following layers: (i) a support layer; (ii) a discriminating layer comprising groups of the Formula (1): M-(O-)x Formula (1) wherein: M is a metal or metalloid atom; 0 is an oxygen atom; and x has...
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WO/2022/207470A1 |
Cationically charged membranes obtainable from curing a composition comprising an aromatic heterocyclic compound, wherein the aromatic heterocyclic compound comprises: a) an aromatic heterocyclic ring; b) at least two polymerisable group...
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WO/2022/208980A1 |
This method for evaluating a separation membrane module (20) includes: a step (STEP S21) of supplying, to a primary side of a separation membrane (12), performance degradation gas which has a property to lower the permeation quantity of ...
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WO/2022/199592A1 |
A method for preparing a block copolymer hollow fiber membrane by combining selective swelling and a melt spinning and stretching method, comprising: preparing, with an amphiphilic block copolymer as a film-forming material, nascent holl...
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