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WO/2023/185303A1 |
A nanofiltration composite membrane and a preparation method therefor. The preparation method comprises: preparing a graphene oxide dispersion liquid; adding tannic acid to the graphene oxide dispersion liquid to perform a reduction reac...
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WO/2023/186813A1 |
The present invention relates to a method for the preparation of a membrane (M), the membrane (M) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), to the membrane (M...
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WO/2023/190010A1 |
The present invention provides a non-woven fabric roll which has adequate mechanical strength and dimensional stability, while also having excellent film coating workability over a large width using a die-coating method. A non-woven fa...
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WO/2023/184017A1 |
A system involves interleaving high aspect ratio, rod-like aldehyde-modified cellulose nanomaterials (ACN) between graphene oxide (GO) sheets and utilizing crosslinkers to create a dense, crosslinked network that is highly permeable and ...
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WO/2023/192482A1 |
Disclosed are composite membranes comprising a porous support and a selective layer comprising a first copolymer and a second copolymer wherein: the first copolymer comprises a first plurality of hydrophobic repeat units and a plurality ...
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WO/2023/189346A1 |
The purpose of the present invention is to minimize reduction in moisture in liquid when the liquid is to be deaerated using a gas-permeable membrane. A deaeration apparatus (30) comprises: a flow passage (31) through which liquid flows;...
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WO/2023/186616A1 |
A gas separation membrane comprising the following layers: (i) optionally a support layer; (ii) a discriminating layer; (iii) a further layer; and (iv) optionally a protective layer; wherein (a) the further layer (iii) and the discrimina...
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WO/2023/186615A1 |
A gas separation membrane comprising the following layers: (ii) a support layer; (ii) a discriminating layer; (iii) a further layer, wherein the further layer comprises groups of Formula (1): M-(O-)x wherein: each M independently is a me...
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WO/2023/187112A1 |
Barriers including molecules covalently bonded to amphiphilic molecules, and methods of making the same, are provided herein. In some examples, a barrier between first and second fluids includes one or more layers comprising a plurality ...
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WO/2023/187110A1 |
Nanopore devices including barriers using amphiphilic units, and methods of making the same, are provided herein. In some examples, a barrier between first and second fluids includes a first layer comprising a first plurality of amphiphi...
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WO/2023/185326A1 |
A polyamide membrane, comprising a quaternary ring product obtained from an addition reaction of cinnamamide and/or a cinnamamide derivative; the polyamide membrane comprises a component A, a component B and a component C, the component ...
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WO/2023/182531A1 |
The problem of an aspect of the present invention is to provide a new organic-inorganic hybrid membrane composite having good permeance, and techniques related thereto. The organic-inorganic hybrid membrane composite according to an aspe...
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WO/2023/179530A1 |
A reactive support layer-based separation membrane, a preparation method, and an application, relating to the technical field of water treatment. The preparation method comprises: (1) performing amino grafting reaction on a porous suppor...
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WO/2023/183430A1 |
The hybrid nanoporous membranes are assembled from inorganic 3D nanospiky particles and polymers, and can be used to filter, capture, and manipulate environmental or biological substances. These materials provide efficient, continuous fi...
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WO/2023/183620A1 |
Described are devices for purifying a liquid that is contained in a sealable container, to storage systems for containing and purifying a liquid, and to related methods.
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WO/2023/181893A1 |
The present invention provides a novel separation membrane that is equipped with an intermediate layer and suitable for improving the permeation speed of a permeating fluid. This separation membrane 10 comprises a separation function lay...
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WO/2023/181678A1 |
This carbon dioxide separation/conversion device comprises: one or more separation units (10) for separating carbon dioxide from a carbon dioxide-containing gas to obtain a carbon dioxide-enriched gas; a reaction unit (30) that comprises...
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WO/2023/183359A1 |
A polymer composition for producing gel extruded articles is described. The polymer composition contains at least three different polyethylene polymers, namely a lower molecular weight polyethylene polymer, a mid-range molecular weight p...
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WO/2023/176048A1 |
The purpose of the present invention is to provide a composite reverse osmosis membrane that exhibits improved permeability and antifouling properties, and a production method therefor. A composite reverse osmosis membrane according to t...
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WO/2023/176974A1 |
The present invention relates to a gas separation membrane for separating carbon dioxide from a gas mixture containing carbon dioxide, the gas separation membrane including a polycarbonate-polyorganosiloxane copolymer (A), the polycarbon...
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WO/2023/176565A1 |
The present invention provides a membrane separation system suitable for suppressing a decrease in the content of organic compounds in a permeated fluid. This membrane separation system 100 comprises a membrane separation device 10. The ...
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WO/2023/175406A1 |
A device (100) for water purification includes one or more first layers (110) including a semipermeable membrane and one or more second layers (120) in contact with the one or more first layers (110), wherein the one or more second layer...
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WO/2023/176049A1 |
The purpose of the present invention is to provide a composite reverse osmosis membrane that exhibits improved permeability and antifouling properties, and a production method therefor. A composite reverse osmosis membrane according to t...
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WO/2023/169949A1 |
The present invention relates to a process for the preparation of sterile products comprising thermolabile and/or bioactive raw materials. The process comprises a step of sterilizing the products by filtration. Preferably, the sterile pr...
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WO/2023/172151A1 |
A dual-layer membrane (100) and a method (200) of making the dual-layer membrane (100) is provided. The dual-layer membrane (100) includes a first layer (102) including at least one of polysulfone (PSU) nanofibers, polyphenylene (PPSU) n...
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WO/2023/170690A1 |
A process of preparing a crosslinked asymmetric membrane for solvent nanofiltration, comprising: (1) dissolving an aromatic polymer and one or more aromatic polyamine ( s ) in an organic solvent system to form a casting solution; (ii) ca...
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WO/2023/169227A1 |
A nanofiber-based oil-water separation and purification material having a staggered inclined-hole structure, and a preparation method therefor. The method comprises: firstly, preparing multiple layers of fiber membranes by using a melt s...
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WO/2023/166317A1 |
There is described a ceramic membrane, and a process for producing a ceramic membrane. In the process for the production of a ceramic membrane the ceramic membrane is produced by additive manufacturing. The ceramic membrane comprises a m...
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WO/2023/166315A1 |
There is described a membrane comprising a feed flow inlet, a retentate flow outlet and a permeate flow outlet. The membrane further comprises a membrane interface portion comprising a plurality of feed flow channels fluidly connected to...
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WO/2023/164923A1 |
A method for low-temperature preparation of a ceramic membrane. The purpose of the present invention is to solve the problem that existing ceramic membranes are too high in sintering temperature, large in additive amount of a low-tempera...
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WO/2023/167924A1 |
Described herein are membrane assemblies for use in generating hydrogen and oxygen. The membrane assemblies include a cation exchange membrane, an anion exchange membrane, and a hydrophilic layer disposed between the anion exchange membr...
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WO/2023/166265A1 |
The invention relates to a method for preparing a porous membrane, the method comprising the following steps: a- preparing an aqueous mixture comprising a dispersion of fibres from a water-based organic material, a solid organic binder a...
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WO/2023/166316A1 |
There is described a ceramic membrane comprising a feed flow inlet, a retentate flow outlet, a permeate flow outlet, a membrane interface portion. The membrane interface portion comprises a feed flow channel fluidly coupled to the feed f...
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WO/2023/164042A1 |
A nano-thin BixOySez low-temperature oxygen transporter membrane for oxygen transport, separation, and two-dimensional (2D) material manipulation comprising a material comprising a compound of BixOySez and R3m bismuth oxide (Bi2O3). A me...
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WO/2023/161356A1 |
The present invention relates to a process for the preparation of a membrane (M) containing a sulfonated polyarylenesulfone polymer (sP), the membrane (M) obtained by the inventive process, a fuel cell, an electrodialysis cell and an ele...
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WO/2023/160073A1 |
The present invention relates to the technical field of membrane separation, and discloses a hollow fiber separation membrane, a preparation method therefor and an application thereof. The hollow fiber separation membrane comprises a sup...
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WO/2023/162879A1 |
A porous substrate (31) used in supporting a separation membrane (12) is provided with: a plurality of coarse grains, each of which is a ceramic particle having a particle size of 30 μm or greater; and a plurality of fine grains, each o...
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WO/2023/161357A1 |
The present invention relates a sulfonated polyarylenesulfone polymer (sP) having an at least bimodal molecular weight distribution, a process for the preparation of the sulfonated polyarylenesulfone polymer (sP), a membrane (M) comprisi...
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WO/2023/162525A1 |
A zeolite membrane composite (1) comprises a porous support (11) and a zeolite membrane (12) provided on the support (11). The zeolite membrane (12) comprises a low-density layer (13) covering the support (11) and a dense layer (14) cove...
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WO/2023/162854A1 |
A zeolite membrane composite body (1) according to the present invention is provided with a porous supporting body (11), and a zeolite membrane (12) that is provided on the supporting body (11). With respect to the zeolite membrane (12),...
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WO/2023/162368A1 |
A porous membrane laminate according to one embodiment of the present disclosure comprises one or more porous membranes containing polytetrafluoroethylene as a main component, and satisfies formula (1). (1) P/γ > -31.6 × lnRa + 168 (...
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WO/2023/157844A1 |
[Problem] To provide a polymer composite thin film that, due to being configured in a very thin form using a simpler configuration involving combining (compositing) a nanosupport having exceptional mechanical strength with a nanofilm pro...
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WO/2023/158692A1 |
A mechanically robust LIG membrane can be fabricated by directly lasing a poly(ether) sulfone (PES) membrane support, the PES membranes being formed through a NIPS technique treated with Glycerol to control the pore collapse upon drying,...
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WO/2023/153053A1 |
In the present invention, a reactor (1) includes second flow paths (12) on the permeation side of a separation membrane (30). The second flow paths (12) include: inlets (d1) that open into a first space (P1) between a first sealing part ...
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WO/2023/151941A1 |
A bipolar membrane comprising: a) a first layer comprising a first polymer having cationic groups; b) a second layer comprising a second polymer having anionic groups; and5 c) a third layer comprising a co-continuous polymeric network of...
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WO/2023/153054A1 |
According to the present invention, a reactor (1) has a second channel (12) on the permeation side of a separation membrane (30). The second channel (12) comprises: an inlet (d1) which opens to a first space (P1) between a first sealing ...
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WO/2023/153057A1 |
Each of a plurality of first cells (111a) opens at opposite ends in the longitudinal direction, and is provided with a separation membrane (12) on its inner side surface. A second cell (111b) closes at opposite ends in the longitudinal d...
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WO/2023/152362A1 |
It is provided a supported carbon molecular sieve membrane having aluminum atomically distributed in it, wherein: the aluminum is present in an amount of equal to or lower than 15 wt.% of the carbon molecular sieve membrane; the membrane...
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WO/2023/153172A1 |
The separation membrane composite (1) comprises a porous support (11) and a separation membrane (12) that is disposed on the support (11). In the separation membrane composite (1), the membrane end region (122) refers to each region in t...
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WO/2023/152224A1 |
Disclosed herein are membranes, composition for forming membranes, methods for forming membranes, and sensors and devices comprising membranes. The membrane comprises the reaction product of a diisocyanate, a polymeric aliphatic diol, a ...
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