Abstract: Provided is a composition for interfacially polymerizing polyamide including an amine compound and a chain-type-structured additive containing one or more amino groups and two or more hydroxyl groups, and a method for manufacturing a water treatment separation membrane, and a water treatment separation membrane using the same.

Abstract: A filter medium includes a plurality of layers each including an undulating strip of solidified material.

Abstract: The present invention relates to a metabolome sampling and analysis method for analyzing metabolome during synthetic gas fermentation of a synthetic gas fermentation microorganisms, the method establishing an optimal condition for metabolome sampling and enabling a glucose culture and a synthetic gas culture of the synthetic gas fermentation microorganisms to be distinguished by using a selected metabolomic biomarker.

Abstract: The present application provides a method for manufacturing a metal foam. The present application can provide a method for manufacturing a metal foam, which is capable of forming in a very short time a metal foam comprising uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal foam produced by the above method. In addition, the present application can provide a method capable of forming a metal foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, in a short time, and such a metal foam.

Abstract: Integrating an aquaporin Z protein addition to an outer surface of hollow fiber membranes and a production method of aquaporin Z integrated hollow fiber membranes using different hollow fiber support membranes are provided. The production method includes polymeric, nanocomposite materials. When an aquaporin protein integrated onto reinforced hollow fiber membranes, increase in a mechanical strength and a flux of the reinforced hollow fiber membranes was observed.

Abstract: The present disclosure provides a fluorine-based resin porous membrane exhibiting high mechanical strength and low heat shrinkage rate while having a fine pore size, and a method for preparing the same.

Abstract: A filtration media that may be mounted in a frame and placed in a central heating, cooling and/or ventilation system. The media has symmetrical characteristics such that, when mounted in the frame, the resulting filter may be mounted with either one major surface of the filtration media receiving the air flow or the opposite major surface receiving the air flow. Regardless of how the filter is oriented, the performance of the filter is the same due to the symmetrical characteristics of the filtration media mounted therein.

Abstract: The present application provides a method for manufacturing a metal foam. The present application can provide a method for manufacturing a metal foam, which is capable of forming a metal foam comprising uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal foam having the above characteristics. In addition, the present application can provide a method capable of forming a metal foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, within a fast process time, and such a metal foam.

Abstract: A pool strainer basket insert system and method are contemplated in which a high porosity, coarse fibrous mass is inserted in a pool skimmer basket. Via optimization of the material properties of the fibrous mass and configuration such that approximately 50% of the fibrous mass is located above the waterline and 50% below the water line the problems of the prior art may be solved via the retaining properties of the fibrous mass, enabling insects and small organic matter to be retained and preventing their migration back to the main body of the pool.

Abstract: The invention provides a humidifier apparatus (100) comprising (i) a first chamber (110) for containing water (101), (ii) a humidifying element (120) configured to facilitate evaporation and/or nebulization of water (101) contained in the first chamber (110), wherein the humidifying element (120) comprises a wick element (130), (iii) a replaceable or refillable unit (230) for containing an immobilized phosphate removing material (150), wherein the phosphate removing material (150) is configured to reduce a concentration of phosphate in water (101) before evaporation and/or nebulization of the water (101), and wherein the wick element (130) comprises the phosphate removing material (150), wherein the phosphate removing material (150) is comprised by the wick element (130) as one or more of impregnated phosphate removing material (150) and coated phosphate removing material (150), and wherein the wick element (130) is configured as the replaceable unit (230).

Abstract: Provided is a nanofiltration composite membrane, comprising: a supporting layer comprising a polyethylene terephthalate, a polymeric porous layer formed on the supporting layer, the polymeric porous layer comprising a polysulfone and an amphiphilic polymer represented by the formula below: and an interfacial polymerization layer formed on the polymeric porous layer and the interfacial polymerization layer comprising polyamide which is synthesized by polymerizing piperazine with 1,3,5-benzenetricarbonyl trichloride; wherein, n1, n2, n3, x, and y are integers greater than 0, the molecular weight of the amphiphilic polymer ranges from 90,000 to 200,000, and a weight ratio of the polysulfone to the amphiphilic polymer ranges from 2 to 20. The nanofiltration composite membrane can increase the removal rate of divalent ions and separate substances of specific molecular weights in solutions.

Abstract: The present invention relates to 3-D structures having high temperature stability and improved micro-porosity as well as processes of making and using same. The disclosed 3-D are advantageous because they have low densities and low permittivities. When compared to previous 3-D structures, the present structures maintain their low permittivities over a broader range of electromagnetic frequencies. Thus, when used in communication devices such as array antennas, can provided higher communication performance in high temperature environments.

Abstract: A crossflow filter includes a rigid cylindrical inner wall and a rigid cylindrical outer wall with an inelastic filter membrane positioned therebetween defining a retentate channel inside the filter membrane and a permeate channel outside the filter membrane. Further, the filter includes transition channels shaped and connected to the inner and outer walls to deliver a flow of fluid from an inlet port to the retentate channel and to capture flow flowing longitudinally along the cylindrical inner and outer walls from both the retentate and permeate channels to respective outlet ports.

Abstract: A method adapts a filter medium to predefinable parameters, such as electrostatic charge, flow-rate behavior, dynamic pressure behavior or differential pressure behavior, fraction filtration efficiency and preservation of a constant quantity and quality of fluid additives. At least one of these parameters is adapted by the targeted influencing of the surface energy of the filter medium (18).

Abstract: The present invention relates to the field of composite membrane and discloses a polyurethane/polyvinylidene fluoride composite membrane for extracting organic sulfide from naphtha. The polyurethane/polyvinylidene fluoride composite membrane includes an active layer and a support layer where the active layer is a polyurethane casting membrane and the support layer is a polyvinylidene fluoride membrane. The polyurethane/polyvinylidene fluoride composite membrane is prepared by coating the active layer onto the support layer. At the same time, a preparation method for the polyurethane/polyvinylidene fluoride composite membrane is disclosed. The present invention has the following beneficial effects: the polyurethane/polyvinylidene fluoride composite membrane prepared in the present invention may be used to extract organic sulfide in naphtha with high separation efficiency.

Abstract: Described herein are passive samplers, making of such samplers, and methods of use. In an example embodiment, a passive sampling membrane comprises, for example, a continuous mesoporous sequestration media having a sequestration phase and a support membrane configured to support the sequestration phase. The sequestration phase may include a hydrophobic region and a hydrophilic region. The continuous mesoporous sequestration media may be configured to simultaneously sequester polar and non-polar organic substances.

Abstract: A curable composition comprises: a) 91 to 98.2 weight percent of: (i) at least one polymerizable compound containing at least one carbamylene group; or (ii) at least one polyurethane precursor system; and b) 0.2 to 9 weight percent of alpha alumina particles having a particle size distribution with a Dv50 of from 0.1 to 1 micron, wherein the weight percentages of a) and b) are based upon the total amount of a) and b). Cured compositions and their use in thermoforming are also disclosed.

Abstract: The present application discloses a composite reverse osmosis membrane and a preparation method thereof. The method includes: uniformly mixing fluorine-containing polyaryletherketone of a certain concentration and silane-modified polyaryletherketone as a casting solution; coating a non-woven fabric, i.e., a substrate, with the casting solution to form a support layer; then coating the surface of the support layer with a solution A and a solution B sequentially for reaction to form a polyamide desalination layer; and coating the polyamide desalination layer with a modified polyvinyl alcohol anti-pollution layer. By means of the method, the composite reverse osmosis membrane is prepared.

Abstract: 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.

Abstract: A hollow filter element for insertion into an openable filter housing has a filter medium body configured as a hollow body surrounding an inwardly positioned flow space. At least one end disk is connected to the filter medium body and covers an axial end face of the filter medium body. A positioning element is arranged at the at least one end disk and interacts with a housing-associated blade of the filter housing. The positioning element receives the housing-associated blade with form fit in two different transverse directions relative to the longitudinal axis of the filter medium body. The positioning element has a positioning recess.

Abstract: The present invention relates to a patterned membrane structure comprising a microporous membrane layer, wherein the microporous membrane layer includes a plurality of flow lanes, the flow lanes are separated by hydrophobic separation channels, and the flow lanes and hydrophobic separation channels form a repetitive pattern; and a method for manufacture of the patterned membrane structure. The patterned membrane structure according to the present invention represents an industrial scale precursor of membranes such as a multiparameter lateral flow membrane comprising separated flow lanes.

Abstract: A separation membrane structure has partition walls including a honeycomb shaped porous ceramic body provided with a large number of pores, and cells to become through channels of a fluid are formed by the partition walls. The cells include separation cells and slit cells. In the separation cells, the intermediate layer is disposed on the surface of a substrate, and a separation layer is further formed. The intermediate layer has a structure where aggregate particles are bonded to one another by an inorganic bonding material having a thermal expansion coefficient equal to or higher than that of the aggregate particles.

Abstract: A porous membrane includes a modacrylic copolymer. The modacrylic copolymer includes, with respect to 100 parts by mass of all structural units constituting the modacrylic copolymer, 15 to 85 parts by mass of a structural unit derived from acrylonitrile, 15 to 85 parts by mass of a structural unit derived from at least one halogen-containing monomer selected from the group consisting of vinyl halide and vinylidene halide, and 0 to 10 parts by mass of a structural unit derived from a vinyl monomer having an ionic substituent. The porous membrane can be produced by preparing a modacrylic copolymer solution by dissolving the modacrylic copolymer in a solvent, and bringing the modacrylic copolymer solution into contact with a non-solvent for the modacrylic copolymer such that the modacrylic copolymer solution is solidified.

Abstract: A dressing for treating a tissue site may include a base layer, a sealing member, a first and a second wicking layer, and an absorbent layer. The base layer may have a plurality of apertures and may be adapted to cover the tissue site. The sealing member and the base layer may define an enclosure. The first and the second wicking layer may each be disposed in the enclosure with the absorbent layer positioned between the first and the second wicking layer. A conduit comprised of an absorbent material that is vapor permeable and liquid impermeable may be in fluid communication with the dressing for providing reduced pressure to the dressing. Other dressings, systems, and methods are disclosed.

Abstract: Two-dimensional material based filters, their method of manufacture, and their use are disclosed. The filters may include at least one active layer disposed on a porous substrate. The at least one active layer may include intrinsic and/or intentional formed pores. In some embodiments, the flow resistance of the porous substrate may be selected to limit flow through defects and intrinsic pores in the at least one active layer.

Abstract: A problem to be solved by the present invention is to provide a separation membrane having excellent separation performance, having high membrane strength and high permeation performance, and mainly including a cellulose-based resin. The present invention is concerned with a separation membrane including a cellulose ester, having, in the interior thereof, voids each having a specified structure, and having a tensile elasticity of 1,000 to 6,500 MPa.

Abstract: The present invention relates to an acid-resistant nanomembrane with an improved flow rate and a method of producing the acid-resistant nanomembrane, and more particularly, to an acid-resistant nanomembrane with an improved flow rate, which can also be used under strong-acid and high-temperature conditions for the recovery of rare metals, valuable metals, and the like generated in a smelting process and which exhibits both excellent flow rate and excellent acid resistance, and a method of producing the acid-resistant nanomembrane.

Abstract: A filtration filter includes a porous metal film that filters out a filtration object contained in a fluid, and a support base member that is disposed on at least one main surface of the porous metal film and that supports the porous metal film. The support base member has an opening that exposes a part of the porous metal film. An inner peripheral surface of the opening has undulations formed along its periphery.

Abstract: An object of the present invention is to provide a composite semipermeable membrane which has a high permeation rate and high salt removal performance and is excellent in terms of performance stability during long-term operation. The composite semipermeable membrane of the present invention includes: a supporting membrane including a substrate and a porous supporting layer; and a separation functional layer disposed on the porous supporting layer, the separation functional layer includes a crosslinked polyamide and a hydrophilic polymer having an acidic group, and in the separation functional layer, a ratio of (molar equivalent of amino groups)/(molar equivalent of amide groups) is 0.18 or less.

Abstract: A non-dense sintered ceramic molded body having at least two layers, wherein a first powdery ceramic material forming a layer is contacted with at least a second powdery material forming at least a second layer. The body has a color gradient and maintains dimensional stability during sintering and forming. An admixing component and a common sintering temperature are used to control the volume decrease of the layers during sintering.

Abstract: The present invention relates to a polyelectrolyte multilayer (PEM) membrane comprised of at least one bilayer, wherein the bilayer is comprised of a layer of a polymeric polycation and a layer of a polymeric polyanion. Furthermore, present invention relates to methods for the production of these PEM membranes by layer-by-layer deposition and the use of these PEM membranes for the decontamination of liquids, preferably water.

Abstract: The present invention relates to a composite porous hollow-fiber membrane including a first layer and a second layer which each include a fluororesin-based polymer, in which the first layer has a columnar texture oriented in a longitudinal direction of the composite porous hollow-fiber membrane, the columnar texture has an average value v of a Raman orientation parameter calculated with the specific formula, and the second layer has a three-dimensional network texture and has an average surface-pore diameter of 5.0 nm to 5.0 ?m.

Abstract: In order to provide a composite semipermeable membrane which combines strength and water permeability, the present invention provides a composite semipermeable membrane including: a supporting membrane including a substrate and a porous support; and a separation functional layer disposed on the porous support, in which the substrate has a weight A per unit area, a portion of the porous support which is located within the substrate has a weight B per unit area, and a sum of the weight A and the weight B, (A+B), is 30 to 100 g/m2, and a ratio between the weight A and the weight B, B/A, is 0.10 to 0.60.

Abstract: A composite semipermeable membrane includes a porous supporting membrane and a separation functional layer, in which, in cross-sections having a length of 2.0 ?m in a membrane surface direction, the average number density of projections in the separation functional layer which have a height of one-fifth or more of the 10-point average surface roughness is 10.0-30.0 projections/?m and the projections have an average height less than 100 nm, and in which a water production rate and a salt rejection are predetermined values or more after an aqueous solution is passed through under certain conditions.

Abstract: An intravenous delivery system may have a liquid source containing a liquid, tubing, and an anti-run-dry membrane positioned such that the liquid, flowing form the liquid source to the tubing, passes through the anti-run-dry membrane. The anti-run-dry membrane may have a plurality of pores through which the liquid flows, and may be formed of a hydrophilic material that resists passage of air through the pores. The intravenous delivery system may further have a bubble point raising component that raises the bubble point of the anti-run-dry membrane. The bubble point raising component may, in some embodiments, be a high surface energy coating or additive.

Abstract: The object of the present invention is to provide a spiral membrane element that can make a composite semipermeable membrane high in effective membrane area, and that can restrain the composite semipermeable membrane from being lowered in rejection ratio by a deformation of this membrane while ensuring the flow rate of a permeation liquid flowing in a permeation-side flow-channel sufficiently. The spiral membrane element comprises a layered body which comprises a composite semipermeable membrane, a supply-side flow-channel member, and a permeation-side flow-channel member; and the permeation-side flow-channel member comprises a tricot knitted fabric having a plurality of ribs each formed by repeating loops in a linear form in a longitudinal direction, and a plurality of grooves present between the ribs; has a membrane support index of 60 to 135, the membrane support index being calculated in accordance with the specified numerical relationship.

Abstract: By having a coating layer, this composite semipermeable membrane has fouling resistance easily maintainable before and after contact with acid, and enables stable operation over a long period of time. This composite semipermeable membrane comprises a porous support layer, a separation function layer arranged on the porous support layer, and a coating layer arranged on the separation function layer, wherein the separation function layer contains a crosslinked aromatic polyamide which is a polycondensate of polyfunctional aromatic amines and polyfunctional aromatic acid chloride, and the coating layer contains an aliphatic polymer having the structure (I) in the description.

Abstract: The present disclosure relates, according to some embodiments, to systems, apparatus, and methods for fluid purification (e.g., water) with a ceramic membrane. For example, the present disclosure relates, in some embodiments, to a cross-flow fluid filtration assembly comprising (a) membrane housing comprising a plurality of hexagonal prism shaped membranes (b) an inlet configured to receive the contaminated fluid and to channel a contaminated fluid to the first end of the plurality of hexagonal prism shaped membranes, and (c) an outlet configured to receive a permeate released from the second end of the plurality of hexagonal shaped membranes. The present disclosure also relates to a cross-flow fluid filtration module comprising a fluid path defined by a contaminated media inlet chamber, a fluid filtration assembly positioned in a permeate chamber and a concentrate chamber.

Abstract: A separation membrane (10) of the present disclosure includes: a separation functional layer (30) composed of a polyamide containing, as a monomer unit, at least one selected from the group consisting of piperazine and a piperazine derivative; and a coating (40) covering the separation functional layer (30) and containing a polymer having a repeating unit represented by the following formula (1). In the formula (1), N+ is a nitrogen atom constituting a quaternary ammonium cation, and R1 and R2 are each independently a substituent containing a carbon atom bonded to the nitrogen atom.

Abstract: The invention relates to a sensor for a physical feature, comprising a structure, preferably a multilayer structure, comprising: at least one electrically conductive layer, comprising nanofillers in a polymer matrix including at least one polymer, and electrical connection means, said structure being thermosetting, thermoplastic, or being a cross-linkable elastomer, characterised in that, when the structure is thermosetting, the degree of cross-linking thereof is higher than 80%, better still higher than 90%, or even 95%; when the structure is a cross-linkable elastomer it includes an amount of cross-linking agent ranging from 5 mol. % to 20 mol. % relative to the number of moles in the structure; and when the structure is thermoplastic, it has a constant resistivity value and preferably a degree of crystallinity ranging from 0% to 60%.

Abstract: The problem addressed by the present invention is to provide a separation membrane with superior permeation performance and separation performance and having few occurrences of defects. The present invention relates to a separation membrane wherein: the separation membrane has a layer (I) with a thickness of 0.5-100 ?m; letting, in a cross-section in the direction of thickness of the layer (I), region a be a region with a depth of 50-150 nm from a surface (surface A), region b a region with a depth of 50-150 nm from the other surface (surface B), and region c a region with a thickness of 100 nm where the depth from both surfaces is the same, the average pore diameter Pa for region a and the average pore diameter Pb for region b are both 0.3-3.0 nm and the average pore diameter Pc for region c is 3.0 nm or less; and the percentage of open area Ha for region a, the percentage of open area Hb for region b, and the percentage of open area Hc for region c satisfy the following equations.

Abstract: The present invention relates to a method for manufacturing a composite membrane using a selective layer prepared through the interfacial polymerization (support-free interfacial polymerization) on a free interface without a support and, more specifically, to a method for manufacturing a composite membrane comprising a reverse osmotic membrane, which is obtained by preparing a selective layer through a spontaneous reaction of two organic monomers on an interface between two immiscible solutions and allowing the selective layer to adhere to a support. By employing the method for manufacturing a composite membrane having a selective layer prepared through the support-free interfacial polymerization according to the present invention, a high-functional reverse osmotic membrane can be prepared using various supports other than a conventional polysulfone support, thereby extending the application range of the reverse osmotic membrane, which has been restricted due to low chemical resistance of polysulfone.

Abstract: A composite separation membrane is disclosed prepared by forming a separation layer on a surface of a porous support membrane, characterized in that the porous support membrane contains 50% by mass or more of polyphenylene ether; that the separation layer is constituted from a first separation layer and a second separation layer; that the first separation layer is formed with a thickness of from 50 nm to 1 ?m on the surface of the porous support membrane and is a sulfonated polyarylene ether copolymer which comprises a repeated structure of a specific hydrophobic segment and a specific hydrophilic segment; and that the second separation layer is formed with a thickness of from 1 nm to less than 50 nm on a surface of the first separation layer and is an alternately-layered product constituted from one or more kinds of ionomers.

Abstract: Described herein is a scalable, economic, energy and time efficient method for the synthesis of a crystalline uniform nanoporous oxide material by utilizing colloidal particles in solution combustion synthesis. By removing colloids from nanocomposite via chemical etching crystalline uniform porous oxide is prepared with tailored porosity. The produced oxides have high specific surface area, high pore volume, uniform pore structure and high crystallinity. Properties of the oxide can be tuned by the concentration and size of colloids added, which affects the porous structure (mesopore diameter, pore wall thickness, surface area, and pore volume). In principle, this method can be applied to synthesize different high porosity crystalline metal oxides and nanocomposites.

Abstract: The present invention provides a gas-permeable membrane comprising a partial structure represented by formula (I) or formula (II), (wherein R1 and R2 each independently represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyloxy group having 2 to 6 carbon atoms, an aryl group or an aryloxy group, M1, M2 and M3 each independently represents a metal atom, m1 represents an integer, n1, n2 and n3 each independently represents an integer of 1 to 3, * represents a bonding hand), a composition for forming the gas-permeable membrane and a production process of the gas-permeable membrane.

Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.

Abstract: Provided is a gas filter, which includes an adsorptive membrane for adsorbing foreign substances contained in a gas, wherein the adsorptive membrane has a corrugated structure folded in a number of times or a structure having a plurality of projections, in order to increase a contact surface area of the gas per unit area, and wherein the adsorptive membrane includes: a support member having a plurality of first pores; and a first adsorptive member which is stacked on the support member and has a plurality of second pores formed therein and which is made by accumulating ion exchange nanofibers for adsorbing foreign substances.

Abstract: A method of conductively bonding a test probe tip having an electrically conductive element to a device under test (DUT) having an electrical connection point, the method comprising: positioning the electrically conductive element of the test probe tip proximate to the electrical connection point of the DUT; dispensing a UV-cure conductive adhesive between the electrically conductive element and the electrical connection point of the DUT, the dispensed UV-cure conductive adhesive continuously covering at least a portion of the electrically conductive element and at least a portion of the electrical connection point of the DUT; and bonding the dispensed UV-cure conductive adhesive to the electrically conductive element and the electrical connection point of the DUT by applying UV-light from a UV-light source to the dispensed UV-cure conductive adhesive.

Abstract: Disclosed herein are compositions to use in biofouling-resistant coatings, biofouling-resistant coatings, methods of making biofouling-resistant coatings, biofouling-resistant devices, and methods of making biofouling-resistant devices.

Abstract: A composite structure is provided, which includes a support, an active layer wrapping the support, a dendrimer grafted to the active layer through covalent bondings, and a plurality of anti-fouling groups, wherein each of the anti-fouling groups is grafted to terminals of the dendrimer through covalent bondings. The terminals of the dendrimer include amino group, hydroxyl group, or thiol group.