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WO/2021/112197A1 |
In a polytetrafluoroethylene oriented porous film provided by the present invention, the through-thickness air permeability, expressed as Frazier air permeability, is 4 cm3/(sec·cm2) or greater, and the total cohesive strength, as expre...
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WO/2021/113468A1 |
Compositions and devices comprising MXene materials, suitable for use as selective and/or tunable infrared emitters and/or absorbers, and methods of making coatings with low thermal emissivities using coatings comprising MXene materials.
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WO/2021/109132A1 |
The present invention provides a composite material. The composite material comprises nanoparticles and a flexible substrate, the nanoparticles comprise one or more of carbon nanotubes, graphene, gold nanoparticles, and polydopamine nano...
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WO/2021/110467A1 |
A porous membrane obtainable by a process comprising curing a composition comprising: (i) cross-linking agent(s) comprising at least one ligand group; (ii) inert solvent(s); (iii) polymerization initiator(s); and (vi) optionally monomer(...
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WO/2021/109708A1 |
Provided are a carbon molecular sieve membrane and a preparation method therefor. In the present invention, by subjecting a polyetherimide and a polymer with a similar structure to a series of treatments followed by controlled pyrolysis,...
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WO/2021/110468A1 |
A porous membrane obtainable by a process comprising curing a composition comprising: (i) cross-linking agent(s); (ii) monomer(s) comprising one polymerisable group and at least one ligand group; (iii) inert solvent(s); and (iv) polymeri...
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WO/2021/109333A1 |
Provided is a method for preparing a monodisperse diesel emulsion: taking a two-dimensional MXene-modified hydrophobic ceramic membrane as an emulsification medium, using water as the dispersed phase, and using diesel fuel having added e...
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WO/2021/113217A1 |
A feed containing methane and nitrogen gas is processed in a three-stage membrane system, each stage of which is selective for methane over nitrogen. The methane enriched permeate from the first stage is removed as product gas. The metha...
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WO/2021/110954A1 |
The present invention relates to a membrane for purifying a biological fluid, comprising at least one poly(aryl ether sulfone) (PAES) polymer based on one specific dihydroxy monomer. The present invention also relates to a purification m...
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WO/2021/111256A1 |
The present disclosure provides a method of making a chemical mechanical planarization slurry. The method includes contacting a chemical mechanical planarization slurry precursor including a carrier and a plurality of abrasive particles ...
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WO/2021/109621A1 |
A polyamide reverse osmosis membrane and a production method therefor. The polyamide contains a structural unit derived from a sulfonated phenylenediamine monomer, and a structural unit derived from an acyl chloride monomer, and an optio...
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WO/2021/112198A1 |
The provided polytetrafluoroethylene stretched porous membrane has a node/fibril structure comprising a plurality of nodes and fibrils connecting the plurality of nodes. The ratio of the average length of the nodes in the thickness direc...
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WO/2021/113202A1 |
A method for making a gas separation membrane comprises dissolving and mixing poly(etherb-amide)(Pebax) copolymer and acrylate-terminated polyethylene glycol oligomers (PEGDA) in a solvent, casting the polymer solution into a mold, remov...
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WO/2021/106726A1 |
The present invention pertains to a porous membrane comprising a porous resin layer that contains a polymer containing a polyvinylidene fluoride resin as a main component, wherein: a branched polyvinylidene fluoride resin is contained as...
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WO/2021/106569A1 |
A membrane formation composition containing silicone, a solvent that dissolves silicone, surface-modified microparticles, and a solvent that includes one or more oxygen atoms or nitrogen atoms and has a relative dielectric constant of 1-30.
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WO/2021/104937A1 |
Method for producing a nano-porous membrane (1) with one or up to four graphene layers (2), pores (3) in the membrane having an average pore size in the range of 0.2-50 or 0.3-10 nm, wherein the method comprises the following steps: a) g...
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WO/2021/106203A1 |
A hydrogen separation apparatus 10 that is one example of this hydrogen permeation apparatus comprises a hydrogen-permeable membrane 50 through which hydrogen permeates, and a primary side gasket 40 and a secondary side gasket 42 for hol...
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WO/2021/104338A1 |
A method of synthesizing a molecular sieve membrane by employing successive generations comprises a step of precoating with a crystal seed, in which a residual reaction liquid obtained from a crystallization reaction is used as a crystal...
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WO/2021/100804A1 |
The present invention addresses the problem of providing a porous separation membrane that, even after a long-term use, shows little decrease in protein permeability. The porous separation membrane is obtained: by having an asymmetrica...
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WO/2021/101995A1 |
The present application relates to a multizone, unsupported, microporous, high throughput membrane. The membrane includes a first microporous zone, a second microporous zone, and a third microporous zone, where the third microporous zone...
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WO/2021/101987A1 |
The present application relates to an unsupported, permanently hydrophilic filtration membrane, and its method of formation. The membrane comprises a polymeric matrix material and a cross-linked polyoxazoline hydrophilic additive blended...
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WO/2021/099578A1 |
The present invention relates to a method for preparing a membrane comprising sorbent particles that bind urea. The invention also relates to the sorbent-comprising membranes per se, and to methods of using the membranes. The membranes a...
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WO/2021/099315A1 |
The present invention relates to new anion exchange polymers and corresponding (blend) membranes made of polymers containing highly fluorinated groups, by way of nucleophilic substitution, and method for producing same by way of nucleoph...
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WO/2021/099522A1 |
Disclosed are methods for coupling a ligand to a composite material. Covalent bonds are formed between functionalized composite materials and ligands as a ligand solution flows through or across the composite materials. The composite mat...
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WO/2021/099937A1 |
The present invention relates to a hydrophilic polyimide including at least one type of building blocks [A-B] and [A-C], and represented by the formula -[A-B]n-[A-C]m- (I), wherein: the n-bracketed building blocks and the m-bracketed bui...
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WO/2021/099776A1 |
A filter element for filtering a fluid is described. The filter element comprises diamond particles fixed to a filter substrate. Also described is a method for the manufacture of the filter element and a filtration device comprising the ...
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WO/2021/095205A1 |
Provided is a water production system capable of stable operation in an area without electricity such as a remote island. The water production system (1) comprises: a renewable energy device (2) for generating power from renewable energy...
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WO/2021/097221A1 |
Ammonia is made in a system that includes a conversion reactor for performing a Haber- Bosch process. Effluent streams from the conversion reactor, which include an ammonia component and excess hydrogen and nitrogen reactants, are fed to...
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WO/2021/096426A1 |
There is provided a multi-layered membrane for separating components in an aqueous sample, comprising a porous layer for separating or retaining at least one component from said aqueous sample therein, and an absorbent layer comprising a...
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WO/2021/091476A1 |
A separation membrane for water treatment, a method for manufacturing the same and a portable liquid container comprising the separation membrane as filter, wherein the bipolar separation membrane comprises: a support membrane over which...
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WO/2021/091485A1 |
The present invention provides a nanocomposite coating comprising: a two-dimensional material; and a polymer, wherein the nanocomposite coating is semi-permeable and is for providing on porous material to improve selectivity towards one ...
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WO/2021/090217A1 |
The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with actinic irradiation, preferably UV light, wherein the hydro...
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WO/2021/090215A1 |
The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with electron beam, wherein the hydrophilic monomers comprise at...
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WO/2021/088665A1 |
An antifouling and hydrophilic polyethersulfone ultrafiltration membrane and a preparation method therefor. By using a Co-γ radiation grafting chemical modification method, an unsaturated bond-containing ionic liquid linked by chemical ...
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WO/2021/084080A1 |
The invention relates to membranes for separation, removal and/or concentration purposes. The object of the invention is the simple and reliable adsorption of the molecules and to simplify the desorption of target molecules that are adso...
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WO/2021/083162A1 |
Disclosed in the present invention are a polymer-based film, a preparation method therefor, and use thereof. The film has a loofah-like structure, the loofah-like structure comprises a fibrous framework structure formed by three-dimensio...
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WO/2021/084984A1 |
The present invention addresses the problem of providing a fluid-separation carbon membrane module that can use low-ductility carbon membranes but still suppress defects in the surfaces of the carbon membranes, breakage of the carbon mem...
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WO/2021/085037A1 |
A filter module case according to the present invention is provided with a casing, a cap, a first layer and a second layer. The casing has a generally cylindrical shape that extends in the axial direction. The cap has a generally cylindr...
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WO/2021/085600A1 |
A composite semipermeable membrane according to the present invention comprises a separation functional layer, wherein the separation functional layer contains, as a main component, a semi-aromatic crosslinked polyamide, which is a conde...
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WO/2021/085599A1 |
The composite semi-permeable membrane according to the present invention is provided with: a support film including a base material and a porous support layer; and a separation function layer containing a crosslinked aromatic polyamide a...
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WO/2021/085766A1 |
Provided are a spiral wound-type separation membrane module and a method of manufacturing the same. A spiral wound-type separation membrane module according to an embodiment of the present invention comprises: an outlet pipe; a filter as...
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WO/2021/077966A1 |
A microporous inorganic filter membrane. An inorganic filter membrane is prepared by a urease active microbial calcium carbonate composite system. The urease active microbial calcium carbonate composite system is prepared, and the hydrol...
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WO/2021/079750A1 |
The present invention relates to a method for producing an aqueous polymer dispersion, said method comprising a membrane filtration step wherein an aqueous polymer dispersion containing a polymer and water is filtered with use of a filtr...
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WO/2021/079609A1 |
Provided is a CO2 facilitated transport membrane having improved CO2 permeance and CO2 permselectivity. The CO2 facilitated transport membrane is formed so as to contain a CO2 carrier and a particulate moisture absorption agent within a ...
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WO/2021/079867A1 |
Provided is a desalination performance restoring agent for a cellulose acetate membrane, the agent containing a solvent and a modified polyvinyl alcohol mixed in the solvent. The modified polyvinyl alcohol contains a modified polyvinyl a...
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WO/2021/074401A1 |
The invention relates to methods for the preparation of highly crystalline poly(triazine imide) in the form of platelets, atom-thick layers or membranes thereof and resulting products thereof, in particular useful for the preparation of ...
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WO/2021/073100A1 |
A method for preparing a high-strength ceramic filter membrane, comprising: heating support ceramic aggregate particles in a vacuum state to 100-300℃ to dry same for 24-72 h; then mixing pre-prepared dispersed nano sintering aids with ...
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WO/2021/071527A1 |
A method including contacting a contaminated aqueous stream including water and one or more contaminants with a coated porous substrate including a porous substrate coated with a hydrophilic and oleophobic coating to provide a treated wa...
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WO/2021/068292A1 |
Disclosed are a graphene oxide membrane having tent-shaped nanostructures, a preparation method therefor and the use thereof. An improved filtration assembly method is established, so that the reliable preparation of an ultra-thin graphe...
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WO/2021/071425A1 |
There is provided a multi-layered membrane comprising a top layer, a bottom layer, and a spacer layer; wherein said spacer layer is interposed between said top layer and said bottom layer; wherein said top layer, said bottom layer and sa...
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