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WO/2020/055867A1 |
A method for treating a surface of a microporous membrane includes: (1) contacting at least one surface of the membrane with a treatment composition including: (a) an acrylic polymer prepared from a mixture of vinyl monomers including: (...
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WO/2020/053078A1 |
A polyarylene ether copolymer comprising i) at least one block comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one unit comprising at least one difunctional compound comprising at l...
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WO/2020/053077A1 |
A polyarylene ether sulfone comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one at least one nonsulfonated dihalodiaryl sulfone (compound B) and C) at least one sulfonated dihalodia...
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WO/2019/194783A9 |
Disclosed herein are multi-layer structures comprising a first composite layer disposed over a second composite layer, wherein the first composite layer contains a first active material dispersed in a first polymer containing an elastome...
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WO/2020/049884A1 |
Provided are a lithium ion permselective membrane having excellent membrane formability and Li+ selectivity, a lithium ion recovery device and a lithium-containing compound recovery device having excellent Li+ selectivity, and a lithium ...
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WO/2020/051229A1 |
The present disclosure is concerned with negatively charged filtration membranes and methods of making and using same, for example, in the concentration and/or filtration of dairy products. This abstract is intended as a scanning tool fo...
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WO/2020/050617A1 |
The present invention relates to a polyethylene terephthalate ultrafiltration membrane and a method for producing same and, more particularly, to a polyethylene terephthalate ultrafiltration membrane and a method for producing same, the ...
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WO/2020/050137A1 |
A method for producing piperylene, which produces piperylene from a hydrocarbon mixture that is derived from a petroleum fraction having 5 carbon atoms. Incidentally, the hydrocarbon mixture has a piperylene content ratio of from 60% by ...
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WO/2020/045074A1 |
This separation membrane sheet selectively transmits a specific fluid component, and includes a first porous layer and a resin composition layer layered on the first porous layer. The resin composition layer has a filtered residue fracti...
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WO/2020/045695A1 |
The present invention relates to a method for manufacturing an ultrathin graphene membrane having nanopores, comprising the steps of: (a) sequentially depositing an etching layer and a mask layer on one surface of a metal foil; (b) etchi...
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WO/2020/046405A1 |
Polymer membranes include a polymer material that is selectively permeable to acidic gases over methane in a gas stream, such as natural gas. The polymer material may be a polymer membrane comprising a fluorinated polytriazole polymer. T...
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WO/2020/044992A1 |
Provided is a gas separation system that can keep compressor power consumption energy low by keeping the amount of return gas to a minimum and separate a gas mixture at a high level of purification. The invention has a first separation m...
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WO/2020/041759A1 |
Provided herein are methods for making a freeze-cast material having a internal structure, the methods comprising steps of: determining the internal structure of the material, the internal structure having a plurality of pores, wherein: ...
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WO/2020/041226A1 |
A cross-linked polyimide of the reaction product of a crosslinking agent and a polyimide. The cross-linking agent having at least two cross-linking moieties and the polyimide has a plurality of polyimide chains having an aryl constituent...
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WO/2020/039452A1 |
An AEAPTMS (N-[3-(Trimethoxysilyl) propyl] ethylenediamine)/aminoethyl-aminopropyltrimethoxysilanepolya
crylonitrile (PAN) based electrospun nanocomposite materialfor CO2 adsorption and air purification is proposed. The material has CO2 ...
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WO/2020/040129A1 |
[Problem] To provide a composite semipermeable membrane having high permeability and separability. [Solution] Provided is a composite semipermeable membrane which is for water treatment, and comprises a micro-porous support membrane and ...
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WO/2020/038892A1 |
The present disclosure pertains to a system configured to generate oxygen including a compressor configured to intake and pressurize gas, an oxygen separation unit comprising a first sieve bed, a second sieve bed, and an input receiving ...
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WO/2020/037246A1 |
The present disclosure is directed to raicroporous ladder polymers containing amine-functionalized monomer segments, amidoxime-functionalized monomer segments, or a combination thereof. Monomer compounds for preparation of the polymers a...
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WO/2020/037058A1 |
A membrane filter is provided. The membrane filter including an ordered functional nanoporous material (OFNM) defining a layer and a membrane support. The layer having a two-dimensional structure and defining a plurality of pores and imp...
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WO/2020/037288A1 |
Provided are methods, devices, and kits for the isolation and enumeration of one or more components of interest within a liquid sample using microslit filter membranes. This disclosure relates to the enumeration of components within a sa...
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WO/2020/031732A1 |
Provided are a refining method for reducing microparticles included in a fluorine-based-solvent-containing article, and a refined fluorine-based-solvent-containing article in which microparticles are reduced. This method for refining a f...
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WO/2020/032577A1 |
The present invention relates to a water treatment filter assembly and a water treatment filter module including same, and more particularly, relates to a water treatment filter assembly and a water treatment filter module including same...
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WO/2020/032019A1 |
A positive osmosis membrane that is a layered body including a semipermeable membrane, a mesh-form support material having vacancies at a density of 5-2,000/inch, and a porous base material.
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WO/2020/031616A1 |
With respect to an ultrapure water production process where microparticles in water are removed using an NF membrane or UF membrane having at least one functional group of any of a primary amino group, a secondary amino group, a tertiary...
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WO/2020/031418A1 |
The porous tube according to one mode of the present invention has a fibrous scaffold having polytetrafluoroethylene as the main component, and satisfies the formulae (1) and (2), when G1 is Gurley seconds, P1 is the water pressure resis...
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WO/2020/032873A1 |
The present disclosure relates to composite membranes, their method of fabrication and uses thereof. In particular, the present disclosure relates to composite membrane comprising a bulk phase comprising porous particles and a binding ph...
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WO/2020/026958A1 |
The present invention provides a separation membrane having a polyarylene sulfide as a main component and a bivalent ion rejection of 5% or more, and a method for producing a separation membrane comprising: (1) a resin composition prepar...
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WO/2020/027580A1 |
The present invention pertains to: a fouling-resistant reverse osmosis membrane; a method for producing same; and a fouling-resistant reverse osmosis module including same, and more specifically, to a fouling-resistant reverse osmosis me...
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WO/2020/026542A1 |
Provided is a separation membrane that exhibits excellent separation performance even for separation of gases. This separation membrane is a separation membrane in which zeolite crystals are supported on a porous base material, and is ch...
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WO/2020/028079A1 |
The disclosure relates to improved composite membranes for use in separating components in a fluid mixture. The composite membrane comprises an isoporous support layer which provides support to a nonporous selective layer of the composit...
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WO/2020/027337A1 |
The present invention addresses the problem of providing a bonded body having high airtightness and also having excellent durability under high temperature/high pressure conditions. The problem can be solved by a bonded body comprising a...
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WO/2020/022321A1 |
The present disclosure provides a base material for liquid filters, the base material being composed of a polyolefin microporous membrane, wherein: the average flow pore size in a pore size distribution of the polyolefin microporous memb...
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WO/2020/021389A1 |
Embodiments of the present disclosure generally describe ethano-Tröger's base-amine monomers, ethano-Tröger's base polyimides of intrinsic microporosity, membranes based on ethano-Tröger's base polyimides of intrinsic microporosity, m...
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WO/2020/017472A1 |
Provided are a filtering medium for air filters, a filter pack, and an air filter unit, capable of retarding deterioration in collection efficiency. The PAO permeability ratio (final permeability/initial permeability) of the filtering me...
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WO/2020/014942A1 |
The present invention relates to the technical field of membranes, and provides a flexible carbon nanotube-functionalized conductive hollow fiber membrane and a preparation method therefor. A polymer hollow fiber membrane having a pore s...
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WO/2020/016068A1 |
The present invention relates to a method of manufacturing a nanofiltration membrane, comprising the steps of providing a support structure (20) comprising a first mesoporous layer (21) made of TiO2 and/or ZrO2 and a second porous layer ...
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WO/2020/018925A1 |
A filtration device containing a porous polyparaxylylene (PPX) filtration article is provided. The PPX filtration article includes at least one PPX polymer membrane layer and one or more substrate. Optionally, the PPX filtration article ...
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WO/2020/016106A1 |
The present invention relates to a functional fibre for purification of liquids comprising a matrix of polymer with copper impregnated therein and a method for preparing the same. The functional fibre of the present invention is capable ...
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WO/2020/013562A1 |
The present invention relates to a water treatment separation membrane, a water treatment module comprising same, and a manufacturing method therefor, the water treatment separation membrane comprising: a porous support; and a polyamide ...
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WO/2020/011892A1 |
Gas separation membrane comprising a porous support onto which is deposited a nanoporous single-layer graphene film with a CO2-philic polymer film having a thickness of 5-100 nm coated on top of graphene nanopores, acting as a CO2-select...
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WO/2020/012302A1 |
An isoporous membrane includes a multiblock copolymer film. The multiblock copolymer is crosslinked, and the film has a toughness of at least 50 kJ/m3 as a free-standing film when wet, as measured by integrating the area under a stress-s...
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WO/2020/010660A1 |
A preparation method for an ion-exchange membrane having an ordered ionic conduction structure, comprising: first, synthesizing a polymer A containing a metal ligand structure; and then individually formulating the polymer A, or the poly...
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WO/2020/014359A1 |
A water-permeable device. The device has a supporting layer and a water-permeable membrane. The water-permeable membrane includes graphene layers that are aligned to form interlayer hydrophobic channels between the graphene layers. The i...
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WO/2020/013578A1 |
The present invention relates to a porous fluoropolymer composite membrane having excellent water and oil repellency, and a manufacturing method therefor.
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WO/2020/008820A1 |
Provided is a hydrophilic composite membrane comprising a porous substrate and at least one hydrophilic material, among a first hydrophilic material and a second hydrophilic material, present in the pores of the porous substrate. The fir...
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WO/2020/009584A1 |
The present invention relates to a method for processing a fluid with forward osmosis process, the method comprising the steps of providing one or more tubular membranes, with the tubular membrane comprising a tubular base layer of a non...
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WO/2020/008152A1 |
The invention relates to a porous hollow fiber comprising a copolymer comprising units derived from vinylidene fluoride and units derived from at least a second comonomer, having a Young's modulus ranging from 2 to 30 MPa and in which th...
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WO/2020/009207A1 |
The present invention provides a filter wherein it is possible to manufacture a chemical solution that is excellent in preventing defects. In addition, a filter manufacturing method, a filtering device, and a chemical solution manufactur...
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WO/2020/004361A1 |
The present invention provides a gel which contains a water absorbent crosslinked polymer and a condensation product of a reactive silicon compound that has at least one group selected from the group consisting of an acid dissociable gro...
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WO/2020/004212A1 |
In the present invention, a porous hollow fiber membrane for humidification is produced by subjecting a spinning dope, which comprises a water-soluble organic solvent solution of a polyphenylsulfone resin and a hydrophilic polyvinylpyrro...
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