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WO/2017/177673A1 |
A scale inhibition carbon membrane capable of effectively preventing generation of scales and having a good residual chlorine removal effect and a preparation method therefor. The carbon membrane comprises, in parts by weight: 15-35 part...
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WO/2017/174987A1 |
This invention relates to membranes of two dimensional material and their uses in filtration. The membranes may include polyaromatic molecules which provide a improvement in the rejection observed for small solutes. The two dimensional m...
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WO/2017/176163A1 |
The invention is related to membrane technology, specifically to anion-exchange membranes and methods for manufacturing ion-exchange membranes with enhanced mass-exchange properties. The technical result of the proposed invention is an i...
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WO/2017/172338A1 |
A porous membrane is made from a poly(phenylene ether) copolymer containing 10 to 40 mole percent repeat units derived from 2-methyl-6-phenylphenol and 60 to 90 mole percent repeat units derived from 2,6-dimethylphenol; and a block copol...
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WO/2017/171474A1 |
The present specification provides a composition for interfacial polymerization of a polyamide and a method for manufacturing a reverse osmosis membrane using the same, the composition containing: at least one of an amine compound and an...
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WO/2017/172238A1 |
A method is described of producing a catalyst-containing composite oxygen ion membrane and a catalyst-containing composite oxygen ion membrane in which a porous fuel oxidation layer and a dense separation layer and optionally, a porous s...
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WO/2017/172336A1 |
A separation module that includes a porous membrane, where the porous membrane includes a poly(phenylene ether) copolymer containing 10 to 40 mole percent repeat units derived from 2-methyl-6-phenylphenol and 60 to 90 mole percent repeat...
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WO/2017/162554A1 |
The present invention is related to a method for fabricating multilayer singlebore membranes (10) or multilayer multibore membranes (20) for ultrafiltration applications including the following method steps: (a)feeding at least a materia...
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WO/2017/163025A1 |
A process for preparing a composite membrane comprising the steps: a) applying a radiation-curable composition to a porous support; b) irradiating the composition present on the support, thereby forming a gutter layer of cured polymer; c...
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WO/2017/165098A1 |
The invention is an improved method of making a carbon molecular sieve (CMS) membrane in which a polyimide precursor polymer is pyrolyzed to form a carbon molecular sieve membrane by heating, in a furnace, said polyimide precursor polyme...
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WO/2017/160817A1 |
A process for separating hydrogen from a gas mixture having hydrogen and a larger gas molecule is comprised of flowing the gas mixture through a carbonized polyvinylidene chloride (PVDC) copolymer membrane having a hydrogen permeance in ...
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WO/2017/160815A1 |
A carbonized PVDC copolymer useful for the separation of an olefin from its corresponding paraffin may be made by heating a polyvinylidene chloride copolymer film or hollow fiber having a thickness of 1 micrometer to 20 micrometers to a ...
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WO/2017/157727A1 |
Solution comprising a sulfone polymer and a N-acyl-pyrrolidine of formula I wherein R1 to R9 independently from each other are a hydrogen atom or a methyl group. The solution is applied in membrane formation with polyvinylpyrrolidone as ...
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WO/2017/156139A1 |
The invention relates to a process for making SAPO-34 membranes with less than 2 micron thickness and good H2 selectivity, and the use of these membranes as hb-selective zeolite membranes in the PDH process.
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WO/2017/148473A1 |
The invention relates to a method for producing a permeation membrane. The permeation membrane can be used in particular in the field of membrane-based material separations. The aim of the invention is to produce or provide a permeation ...
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WO/2017/149011A1 |
The invention relates to a hollow fibre membrane having at least one first texturing in the form of a first wave characterised by a first plane of oscillation and a first wave length, and at least one second texturing in the form of a se...
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WO/2017/150585A1 |
The present invention relates to a layered semipermeable membrane satisfying the conditions below. (A) The maximum peak intensity between 3700 and 2900 cm-1 is 0.08 or greater in the difference spectrum between an IR spectrum measured at...
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WO/2017/152064A1 |
An ion conductive intercalation membrane is useful to separate anode and cathode compartments in an electrochemical cell and provide ion transport between the anode and cathode compartments. The intercalation membrane does not receive an...
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WO/2017/149758A1 |
Provided is a membrane filtration device that is provided with a filtration mode for filtering water to be treated by passing the water to be treated from a primary side to a secondary side of a filtration membrane and a filtration membr...
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WO/2017/149298A2 |
A membrane filter comprises a plurality of porous layers having successively decreasing mean pore sizes. In one embodiment, the layers are formed from the same membrane which is wrapped in a cylindrical fashion. Also disclosed is a metho...
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WO/2017/146231A1 |
Provided is a monolayer having a thickness of less than 5 µm and including a gelling polymer particle having at least one of a basic functional group or an acidic functional group. Also provided is a composite that includes: a porous ca...
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WO/2017/146457A2 |
The present invention relates to an ultrathin-film composite membrane based on a thermally rearranged poly(benzoxazole-imide) copolymer and a production method therefor and to a technique for forming a porous support by means of a therma...
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WO/2017/146412A1 |
The present invention relates to a porous support for a water treatment separation membrane, an ultra-thin composite membrane comprising the same, and a manufacturing method therefor and, to a technique of forming a porous support from a...
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WO/2017/138916A1 |
Disclosed herein is filtration material having expanded polytetrafluoroethylene (ePTFE) and method of making. The method comprises expanding polytetrafluoroethylene in a machine direction orienter (MDO) and expanding or stretching to a r...
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WO/2017/132973A1 |
A reverse osmosis membrane (100) and a method of processing the same are described herein. The reverse osmosis membrane (100) includes a polymer material (102), a nonwoven fabric material (106), and a nanofiber material (104) between the...
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WO/2017/133375A1 |
Provided are a method for preparing an aromatic polyamide porous film and an aromatic polyamide porous film. The preparation method comprises formulating an ionic liquid and an aromatic polyamide into a mixed solution by a solvent; and p...
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WO/2017/135822A1 |
The present invention is in the field of a preparation of inorganic tight nanofiltration membranes with a cut-off <450 Da and with high water permeability using atomic layer deposition, a membrane obtained with said process, and applicat...
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WO/2017/130101A1 |
The present invention is a structure, method of making and method of use for a novel macroscopic hierarchically structured, nitrogen-doped, nano-porous carbon membrane (HNDCMs) with asymmetric and hierarchical pore architecture that can ...
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WO/2017/132077A1 |
Polyparaxylylene (PPX) polymer films that can be expanded into porous articles that have a node and fibril microstructure are provided. The fibrils contain PPX polymer chains oriented with the fibril axis. The PPX polymer may contain one...
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WO/2017/125470A1 |
The present disclosure relates to a microporous hollow fiber filter membrane having a large inner diameter and a thin wall. The fiber can be used for sterile filtration of liquids or removal of particles from liquids. The disclosure furt...
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WO/2017/124572A1 |
Disclosed are an ultrafiltration membrane and a preparation method therefor. The ultrafiltration membrane consists of a cavity constituted by a sulfone polymer membrane matrix and an organic polymer encapsulation layer, wherein the cavit...
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WO/2017/122207A1 |
A water permeable composite membrane is disclosed herein, comprising a thin film layer on a porous substrate. The thin film comprises a polymer and amine - containing compound associated with the polymer, and the amine-containing compoun...
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WO/2017/121169A1 |
Provided is a method for preparing an anthraquinone-functionalized poly(vinylidene fluoride) ultrafiltration membrane, comprising: (1) synthesizing 2-(1-hydroxy-3-butenyl)-1,4,5,8-tetramethoxynaphthalene; (2) synthesizing a poly(vinylide...
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WO/2017/123507A1 |
Provided is a process for preparation of a highly permeable thin film composite membranes for nanofiltration, reverse osmosis, and forward osmosis, particularly for reverse osmosis of brackish water. The process includes treating a prepa...
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WO/2017/119850A1 |
There is provided a method of forming a thin film through-hole membrane comprising: providing a patterning structure, the patterning structure comprising a patterning substrate, a sacrificial layer and a thin film; imprinting the thin fi...
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WO/2017/119649A1 |
The present invention relates to a polymer solution for manufacturing an acetylated alkyl cellulose separation membrane by using a heat-induced phase separation method, and a method for manufacturing an acetylated alkyl cellulose separat...
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WO/2017/116009A1 |
The present invention relates to a preparation process for a thin film composite membrane (TFC, hereinafter TFC), and provides a method for preparing a membrane through a one-step process using a dual (double layer)-slot coating techniqu...
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WO/2017/109092A1 |
The present invention pertains to a fluoropolymer-based porous membrane, to a process for manufacturing said porous membrane and to use of said porous membrane as filtration membrane for liquid and/or gas phases, in particular water-base...
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WO/2017/109078A1 |
The present invention pertains to a porous membrane, to a process for manufacturing said porous membrane and to use of said porous membrane as filtration membrane for liquid and/or gas phases, in particular water-based phases.
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WO/2017/107317A1 |
A method for modifying a polymer membrane by means of ultrasonic in-situ polymerization, and a polymer separation membrane prepared using the method. Nearby polymer macromolecules or micromolecules are cracked to generate free radicals b...
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WO/2017/104955A1 |
The present invention relates to a polymer separator used in an apparatus for treating boiler feed water for the recovery of oil sands and, more specifically, to a polyketone separator that has excellent heat resistance and filtration pe...
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WO/2017/106540A1 |
Described herein is a graphene material based membrane that provides selective resistance for solutes or gas while providing water permeability. A selectively permeable membrane comprising graphene oxide, reduced graphene oxide, and also...
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WO/2017/103164A1 |
The present invention provides a membrane based separation method for the separation or enrichment of one or more unsaturated compounds from mixtures of chemically similar organic compounds having a different degree of unsaturation, usin...
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WO/2017/100878A1 |
The present invention relates to a process for producing an asymmetric glucomannan membrane without using organic solvents. The invention further relates to an asymmetric glucomannan membrane produced using this process. The invention ha...
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WO/2017/105836A1 |
The invention is an improved method of making a carbon molecular sieve (CMS) membrane in which a precursor polymer is pyrolyzed to form a carbon molecular sieve membrane that is then exposed to a conditioning atmosphere comprised of a ta...
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WO/2017/098433A1 |
Provided herein are methods of fabricating membranes using polymers with functionalized groups such as sulfone (e.g., PSf and PES), ether (e.g., PES), acrylonitrile (e.g., PAN), fluoride(e.g., pvdf and other fluoropolymers), and imide (e...
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WO/2017/091178A1 |
The invention relates to obtaining a nanofiber membrane by coating a hollow braided rope (3) with a nanofiber layer (2), to the usage of said tubular nanofiber membrane as a support layer membrane, and to the fabrication of forward osmos...
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WO/2017/085054A1 |
The present invention is directed to nanofiltration (NF) composite membranes comprising at least one polymeric porous substrate layer (S) and at least one porous selfassembled supramolecular membrane layer (F); a method of preparing such...
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WO/2017/085022A1 |
Device comprising a hydrogen purification membrane (1), the membrane (1) comprising a hydrogen permeation-selective, dense metallic foil (2) having a low pressure side (4) and a high pressure side (3), defining a permeation direction of ...
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WO/2017/085322A1 |
A method of preparing a membrane comprising the steps of: a) mixing together a membrane-forming polymer, a water-soluble polyetheramine, and a solvent, said mixture containing no component which will react chemically with the polyetheram...
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