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WO/2020/072058A1 |
A method of forming an unsintered biaxially expanded PTFE/thermoplastic polymer composite membrane is provided. The method includes blending fibrillatable polytetrafluoroethylene (PTFE) particles and thermoplastic polymer particles where...
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WO/2020/073035A1 |
Ion exchange membranes for use in electrochemical energy conversion and storage applications include copolymers having a backbone produced from an olefin, such as ethylene, and a cyclic olefin, such as norbomene. Haloalkyl side chains wi...
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WO/2020/073064A1 |
The invention provides a method of producing multi-walled carbon nanotube blended polyvinylidene fluoride (MWCNTs/PVDF) membranes for membrane distillation (MD) treatment of saline water using non-solvent induced phase separation (NIPS),...
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WO/2020/067200A1 |
This hollow fiber membrane module (100) comprises a plurality of hollow fiber membranes (10), a binding unit (20) that bundles one of ends of the plurality of hollow fiber membranes (10), and a cap (30) that has an internal space (30s) c...
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WO/2020/067999A1 |
There is provided a membrane comprising a plurality of pore channels coated with an oil layer for selectively allowing movement of gaseous water vapor across the membrane but substantially preventing movement of liquid water across the m...
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WO/2020/068778A1 |
A process is provided of making facilitated transport membrane comprising a relatively hydrophilic, very small pore, nanoporous support membrane, a hydrophilic polymer inside the very small nanopores on the skin layer surface of the supp...
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WO/2020/056508A1 |
Membranes for membrane distillation (MD) and forward osmosis (FO) are provided with methods of manufacture and use thereof. The MD membrane comprises a microporous mat of electrospun nanofibers made of a nanocomposite comprising reduced ...
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WO/2020/058666A1 |
Membranes having an average pore size of 5 nm to 5,000 nm and a porosity of 10% or more, said membrane being obtainable by a process comprising curing a composition comprising: (i) a cross-linking agent comprising at least one anionic gr...
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WO/2020/058154A1 |
The invention relates to a CMS membrane, characterised in that it is obtainable by pyrolysis of a polyimide formed from the monomers 1-{4-aminophenyl)-1,3,3-trimethyl-2H-inden-5-amine and 5-(1,3-dioxo-2-benzofuran-5-carbonyl-2-benzofuran...
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WO/2020/060907A1 |
Described herein is a crosslinked graphene and biopolymer (e.g. lignin) based composite membrane that provides selective resistance for gases while providing water vapor permeability. Methods for making such membranes, and methods of usi...
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WO/2020/058665A1 |
Membranes having an average pore size of 5 nm to 5,000 nm and a porosity of 15% or more, said membrane being obtainable by a process comprising curing a composition comprising: to 64 wt% of (i) a cross-linking agent comprising at least o...
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WO/2020/055188A1 |
The present invention relates to a cross-linked polyolefin separator and a method for producing same, the cross-linked polyolefin separator being characterized in that the average light transmittance in a 380-700nm region is 30% or highe...
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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/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/2020/050617A1 |
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/2020/045695A1 |
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/2020/041759A1 |
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/2020/037246A1 |
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/2020/032873A1 |
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/2020/033011A1 |
A method of treating water in a water treatment system after a replacement of an ion exchange bed includes introducing water to be treated into the ion exchange bed of the water treatment system to produce treated water, calculating a cu...
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WO/2020/024327A1 |
A remote control feeding device of a chiral nanofiltration membrane forming machine, comprising a square supporting base (1), wherein the upper central position of the square supporting base (1) is fixedly mounted with a stirring barrel ...
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WO/2020/019406A1 |
Disclosed are a three-dimensional automatically-aligned micropore array high-throughput filter and a manufacturing method thereof. The filter is divided into an operating region and a filtering region. The operating region is located at ...
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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/2020/013578A1 |
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/2020/012018A1 |
Disclosed herein is a gas separation section for separating a first gas from one or more other gasses in a separation device, the gas separation section comprising: a first membrane that is substantially planar; a second membrane that is...
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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/2020/006019A1 |
The disclosed technology relates to flat sheet porous membranes prepared from a dope solution containing a polymer of vinyl chloride, such as chlorinated polyvinyl chloride.
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WO/2020/000086A1 |
A method for making a graphene membrane includes applying a suspension of graphene platelets in a fluid onto a porous substrate, and applying a pressure differential to force the fluid through the substrate to yield a filtered fluid whil...
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WO/2020/002185A1 |
Embodiments of the present invention relate to a nanofiltration composite membrane for use to purify water, the methods for preparing said nanofiltration composite membranes and to the nanofiltration composite membranes prepared accordin...
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WO/2020/003216A1 |
The present disclosure is related to a polymeric membrane having a first surface and a second surface and a wall extending between the first and second surface, the membrane comprising pores on the first and second surfaces and throughou...
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WO/2019/246390A1 |
Described herein is a graphene oxide and polymer based selectively permeable element that provides selective gas, and vapor resistance for dehumidification applications. The graphene oxide is cross- linked with polyvinyl alcohol, the pol...
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WO/2019/240472A1 |
Disclosed is an electroconductive separation membrane for water treatment, the membrane comprising: a metal filter support in a fibrous form; a metal oxide coat layer deposited on the support; and a composite metal oxide catalytic layer ...
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WO/2019/236438A1 |
A system includes a first separator configured to receive waste water, retain a first portion of the waste water, and separate the first portion of the waste water into a first vapor and a first solid material; and a second separator in ...
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WO/2019/236116A1 |
Described herein are crosslinked graphene oxide and polycarboxylic acid based composite membranes that provide selective resistance for gases while providing water vapor permeability. Such composite membranes have a high water/air select...
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WO/2019/233582A1 |
The application relates to a method of forming a porous material for use in solid phase extraction of one or more targets in a liquid analyte comprising the consecutive removal of first and second porogens from a solid matrix.
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WO/2019/229718A1 |
A perfluorocarbon-free membrane composed of a non-perfluorocarbon material having a first side and a second side opposite of the first side. The perfluorocarbon-free membrane also includes a plurality of pores, each having an inlet and o...
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WO/2019/223086A1 |
Provided is a filter membrane modifying method based on metallic oxide particles, relating to the field of membrane method water treatment. The method aims to resolve the problems existing in a common organic membrane or inorganic membra...
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WO/2019/218898A1 |
A crosslinked protein-based separation membrane and an application thereof. The crosslinked protein-based separation membrane is a separation membrane formed by crosslinking, using a crosslinker, a two-dimensional nanofilm formed by phas...
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WO/2019/212359A2 |
The present invention relates to CO2 capture from gas mixtures by use of gas separation membranes. In particular, the invention relates to a gas separation membrane comprising: a gas permeable or porous support layer; and at least one CO...
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WO/2019/212648A1 |
The invention is an improved method of making an improved carbon molecular sieve (CMS) membrane in which a precursor polymer (e.g., polyimide) is pyrolyzed at a pyrolysis temperature to form a CMS membrane that is cooled to ambient tempe...
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WO/2019/212707A1 |
Described are filter membranes coated with a polyamide, filters and filter cartridges that include the filter membranes, and methods of using and making the filter membranes.
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WO/2019/210535A1 |
Disclosed is a porous membrane for water treatment, comprising: a high molecular weight polyethylene, a water-soluble polymer, and an antioxidant, wherein the high molecular weight polyethylene has an average molecular weight between 1.0...
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WO/2019/212647A1 |
The invention is an improved method of making an improved carbon molecular sieve (CMS) membrane in which a precursor polymer (e.g., polyimide) is pyrolyzed at a pyrolysis temperature to form a CMS membrane that is cooled to ambient tempe...
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WO/2019/212210A1 |
Disclosed are a pore-filled ion exchange polyelectrolyte composite membrane from which a surface ion exchange polyelectrolyte has been removed and a method for manufacturing same. The ion exchange polyelectrolyte composite membrane exhib...
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