Entries |
Document | Title | Date |
20080220163 | Supporting for an exhaust gas purification catalyst and production method - A metal oxide is synthesized in the pores of a porous catalyst base material by impregnating a raw material solution for synthesis of that metal oxide into those pores. At that time, mesh-like cracks are formed in the metal oxide support layer coated onto the inner surfaces of the pores by adjusting the solid portion concentration in the raw material solution for synthesizing the metal oxide to a suitable value. In addition, fine pores are formed in the metal oxide support layer obtained after firing by containing a polymer and so forth in the raw material solution for synthesizing the metal oxide. The presence of these mesh-like cracks and/or fine pores in the metal oxide support layer allow the obtaining of effects such as greater ease of diffusion of exhaust gas into this support layer. | 09-11-2008 |
20090022890 | SLOT NOZZLE ASSEMBLY, SLOT COATING GUN, SHIM PLATE, AND METHOD OF EXTRUDING A FOAMABLE MELTED MATERIAL IN A WIDE BAND - A slot nozzle assembly for extruding a foamable melted material in a wide band including a plurality of foamable melted material passages, lateral distribution flow routes communicating with the plurality of foamable melted material passages, a restriction member disposed inside the lateral distribution flow routes, a slot for discharging foamable melted material, and a converging portion which communicates with the lateral distribution flow routes and the slot, and whose cross-section area gradually becomes smaller toward the slot. | 01-22-2009 |
20090142487 | Quick-polymerization styrene-maleic anhydried copolymer surface reinforcement and hardening of wood, wood products and other porous materials - This invention provides methods for preparing mixtures of styrene and maleic anhydride co-monomer, applying that mixture to the surface of a solid porous substance like wood, allowing the mixture to penetrate the surface zone of the material such as wood and causing it to quickly cure in the surface zone of the material. The keys are the low viscosity of the mixture that causes it to penetrate quickly and well, and its reactivity that causes it to cure before it either evaporates or becomes too dispersed within the material. The polymer reinforcement and hardening is therefore effectively restricted to the surface zone or shell. This produces a reinforced, hardened, protective shell around the porous material. | 06-04-2009 |
20090142488 | Passivation of porous ceramic articles - An apparatus and method to passivate porous ceramic articles containing microcracks as described herein. The method includes circulating a fluid including a passivator through the porous ceramic article and depositing at least a portion of the passivator on the porous ceramic article. | 06-04-2009 |
20090155464 | Molecular Sieve/Polymer Mixed Matrix Membranes - The present invention discloses an approach for making mixed matrix membranes (MMMs) and methods for using these membranes. These MMMs contain a continuous polymer matrix and dispersed microporous molecular sieve particles. In particular, the present invention is directed to make asymmetric thin-film composite MMMs by coating a thin layer of molecular sieve/polymer mixed matrix solution on top of a porous support substrate followed by controlling the formation of a thin dense selective mixed matrix layer equal or larger in thickness than any of said molecular sieve particles. The MMMs of the present invention are suitable for a variety of liquid, gas, and vapor separations. The MMMs of the present invention have at least 20% increase in selectivity for these separations compared to the polymer membranes prepared from their corresponding continuous polymer matrices. | 06-18-2009 |
20090162548 | METHOD OF MANUFACTURING HONEYCOMB AND FOAM COMPOSITE MATERIAL - A composite product is formed from a honeycomb panel having an array of hexagonal tubular cells which clamped between two press plates where a layer of a foaming agent is applied to only the bottom press plate such that the foaming agent expands into the cells. An array of grooves is provided in the top press plate and connected at one or both edges of the plate to a source of vacuum so as to draw air through the grooves and cells. A sheet of a polyethylene material having the characteristics that it is permeable to air, substantially impermeable to liquid and resistant to bonding to the foam is applied onto the press plate to prevent the foam entering the grooves and bonding to the press plate while allowing the air to be drawn from the cells. | 06-25-2009 |
20090232981 | COOLED CLEAVING IMPLANT - A substrate is implanted with a species to form a layer of microbubbles in the substrate. The species may be hydrogen or helium in some embodiments. The size at which the microbubbles are stable within the substrate is controlled. In one example, this is by cooling the substrate. In one embodiment, the substrate is cooled to approximately between −150° C. and 30° C. This cooling also may reduce diffusion of the species in the substrate and will reduce surface roughness when the substrate is cleaved along the layer of microbubbles. | 09-17-2009 |
20090232982 | POROUS FILM PRODUCTION METHOD AND APPARATUS - A coating liquid containing a polymer and a hydrophobic solvent is applied to a support to form a coating film. Water vapor is condensed from ambient air on a surface of the coating film. A hydrophobic solvent is evaporated until a content rate of the solvent in the coating film reaches 50 wt %. The coating film is caused to contact with liquid water. The hydrophobic solvent contained in the coating film is moved from the coating film to the water. The water and the solvent are evaporated from the coating film. Thus, a porous film having a plurality of pores is produced. It is unnecessary to adjust a surface temperature of the coating film and a dew point of the gas around the coating film precisely. It becomes possible to evaporate the hydrophobic solvent contained in the coating film rapidly. | 09-17-2009 |
20090252871 | Method for producing a membrane comprising micropassages made from porous material by chemical mechanical polishing - A surface of a support comprising through micropassages is brought into contact with an aqueous solution comprising a plurality of particles in suspension and a pad. A pressure perpendicular to the plane of the support, between the pad and the surface of the support, and a relative movement of the pad and of the surface in a direction parallel to the plane of the support are applied. At least one particle is thus introduced in each microgap to form a porous material therein. | 10-08-2009 |
20090280246 | MESOPOROUS MEMBRANES WITH COMPLEX FUNCTIONAL ARCHITECTURES AND METHODS FOR MAKING - In some embodiments, the present invention is directed to methods of making structures with complex functional architectures, where such structures generally comprise at least two mesoporous regions comprising different chemical activity, and where such methods afford spatial control over the placement of such regions of differing chemical activity. In some embodiments, the present invention is also directed to the structures formed by such methods, where such structures are themselves novel. | 11-12-2009 |
20100062156 | Reverse Osmosis Membranes - Reverse osmosis membranes made by interfacial polymerization of a monomer in a nonpolar (e.g. organic) phase together with a monomer in a polar (e.g. aqueous) phase on a porous support membrane. Interfacial polymerization process is disclosed for preparing a highly permeable RO membrane, comprising: contacting on a porous support membrane, a) a first solution containing 1,3-diaminobenzene, and b) a second solution containing trimesoyl chloride, wherein at least one of solutions a) and b) contains nanoparticles when said solutions are first contacted, and recovering a highly permeable RO membrane. | 03-11-2010 |
20100075032 | POROUS FILM PRODUCTION METHOD AND APPARATUS - A coating die has a discharge port for discharging a solution. A chamber has an opening. The coating die and chamber are disposed such that the discharge port and the opening are close to a support moving in an X direction. The solution is discharged through the discharge port. The discharged solution is applied to a surface of the support as a coating film. Wet air having parameters ΔTw and ΔTsolv adjusted to a predetermined range is blown through the opening to the discharged solution. The wet air contacts the solution so water vapor condenses on the surface of the solution to generate water drops. While the water drops grow up, a solvent is evaporated from the solution actively. The growth of cores of the water drops is prevented at an early stage by utilizing a decrease in fluidity of the solution due to the evaporation of the solvent. | 03-25-2010 |
20100092664 | TWO PART, LOW MOLECULAR WEIGHT SELF CURING, LOW VISCOSITY ACRYLIC PENETRANT, SEALANT AND COATING COMPOSITION, AND METHODS FOR USING THE SAME - A self curing, two component penetrating densifying sealant and coating composition that imparts protection and reinforcement to porous substrates, such as wood and concrete, as well as non porous substrates, such a metal surfaces, whether or not corroded, and concrete surfaces. | 04-15-2010 |
20100104750 | METHOD FOR MANUFACTURING A FLEXIBLE AND BREATHABLE MATT FINISH GLOVE - A method to prepare a flexible and breathable protective glove having excellent grip in both aqueous and oil environments includes coating an electrolyte treated glove liner substrate with a non-foamed dispersion of a polymeric material. The resulting semi-gelled polymeric coating which partially penetrates the depth of the glove liner substrate, is treated with a foamed solution of a surfactant, tenside or aerosol solution and the foam treated coating is overcoated with an electrolyte solution. In a resulting chemical or physical reaction, fine pores and cavities are formed in and on the polymer coating. | 04-29-2010 |
20100129547 | WASHCOATING HIGH POROSITY CERAMIC SUBSTRATES - A method of washcoating a high porosity honeycomb substrate is described that involves contacting the channels of the honeycomb with a solution of a viscosity raising material for a time sufficient to fill the pores of the honeycomb with the solution and viscosity changing material. When the pores come into contact with a washcoat slurry, the pH of the slurry at the pore site is changed and the viscosity of the slurry is raised such that it cannot enter the pores. Viscosity raising materials include water soluble polyamines. In one embodiment the polyamine is polyethylenimine. Amino-containing compounds having a molecular weight in the range of 300 to 50,000 can be used in practicing the invention. | 05-27-2010 |
20100247762 | POROUS MATERIAL PRODUCTION METHOD - In a coating zone, a cylindrical tube is soaked in and taken out from a solution, such that a coating film is formed on a curved surface of the tube. In a wet gas zone, while a first gas feeding nozzle having a gas outlet moves in a state where the gas outlet faces an outer peripheral surface of the tube, wet gas is blown toward the coating film through the gas outlet. Water drops are generated on the coating film and grown up. In a dry gas zone, as in the case of the first gas feeding nozzle, while a second gas feeding nozzle having a gas outlet moves, dry gas is blown toward the coating film through the gas outlet. Solvent and water drops are evaporated from the coating film. Pores form from the water drops as a template for the porous material on the coating film. | 09-30-2010 |
20100279007 | 3-D Printing of near net shape products - The disclosed method relates to manufacture of a near net-shaped products such as ceramic containing products such as ceramic-metal composites. The method entails forming a mixture of a build material and a binder and depositing that mixture onto a surface to produce a layer of the mixture. An activator fluid then is applied to at least one selected region of the layer to bond the binder to the build material to yield a shaped pattern. These steps may be repeated to produce a porous whitebody that is heat treated to yield a porous greenbody preform having a porosity of about 30% to about 70%. The greenbody then is impregnated with a molten material such as molten metal. Where the build material is SiC, the molten metal employed is Si to generate a SiC—Si composite. | 11-04-2010 |
20110143032 | Porogens, Porogenated Precursors and Methods for Using the Same to Provide Porous Organosilica Glass Films With Low Dielectric Constants - A porous organosilica glass (OSG) film consists of a single phase of a material represented by the formula Si | 06-16-2011 |
20110151118 | TREATMENT SYSTEM USING A FLUID CAPABLE OF PHASE CHANGE - An apparatus and a system and method for treating a material are provided. The apparatus includes a vessel that includes a perforated core disposed within the vessel and a dip tube disposed within the core. The dip tube is in fluid communication with the treatment vessel at a first port and has at least one opening that is located within a non-perforated region of the perforated core and distal from the first port. The system includes a vessel that includes a perforated core disposed within the vessel and a dip tube disposed within the core. The dip tube is in fluid communication with the treatment vessel at a first port and has at least one opening that is located within a non-perforated region of the perforated core and distal from the first port. The system also includes at least one solution supply that comprises a solvent capable of changing phase in response to a change in temperature and/or pressure. | 06-23-2011 |
20110177244 | SOUND-DEADENING INSULATING MATERIALS WITH HIGH FIRE-RESISTANCE TIME - The present invention relates to a process of producing flame retarding, sound deadening insulating materials and their use. | 07-21-2011 |
20110223330 | Fine Fiber Electro-Spinning Equipment, Filter Media Systems and Methods - Electrostatic fine fiber generation equipment such as for forming nano-fibers from polymer solution is provided. The fine fiber generation equipment includes a strand that may take the form of a stainless steel beaded chain. The beaded chain can be an endless chain entrained upon two guide wheels and driven about an endless path perpendicularly relative to the collection media. | 09-15-2011 |
20120064243 | PREPARATION OF NANOSTRUCTURED MICROPOROUS COMPOSITE FOAMS - A method of producing a monolithic metal or metal composite having a hierarchic pore structure, the method comprising the steps of: selecting a template material, said template material having a porous structure; contacting the template material with a solution of the or each metal to be structuralised; depositing the or each metal onto the template; washing the metal coated template before deposition of further metal; isolating the metal coated template material; removing, thermally, at least a portion of the template material. | 03-15-2012 |
20120082789 | WINDOW WITH ANTI-BACTERIAL AND/OR ANTI-FUNGAL FEATURE AND METHOD OF MAKING SAME - Certain example embodiments of this invention relate to a window having anti-fungal/anti-bacterial properties and/or self-cleaning properties, and a method of making the same. In certain example embodiments, a silver based layer is be provided and the layer(s) located thereover (e.g., the zirconium oxide inclusive layer) are designed to permit silver particles to migrate/diffuse to the surface over time to kill bacteria/germs at the surface of the coated article thereby creating an anti-bacterial/anti-fungal effect. In certain example embodiments, silver may also or instead be mixed in with other material as the top layer of the anti-bacterial coating. | 04-05-2012 |
20120128879 | ABRADABLE LAYER INCLUDING A RARE EARTH SILICATE - An abradable coating may include a rare earth silicate. The abradable coating may be deposited over a substrate, an environmental barrier coating, or a thermal barrier coating. The abradable coating may be deposited on a gas turbine blade track or a gas turbine blade shroud to form a seal between the gas turbine blade track or gas turbine blade shroud and a gas turbine blade. The abradable coating may also include a plurality of layers, such as alternating first and second layers including, respectively, a rare earth silicate and stabilized zirconia or stabilized hafnia. | 05-24-2012 |
20120148741 | FOAMING COMPOSITION FOR CREATING INDICATIONS FOR A LIMITED DURATION OF TIME - A foaming composition for generating temporary indications, preferably to mark defensive wall lines and spots for free kick shootout in football, where the foam remains stable over a very short but sufficient period of time to take the shot, wherein the composition comprises a propellant, a foaming emulsifier, a cation chelating agent, a preservative and water. | 06-14-2012 |
20120225202 | METHOD OF PRODUCING A POROUS MEMBRANE AND WATERPROOF, HIGHLY BREATHABLE FABRIC INCLUDING THE MEMBRANE - A method for creating a highly breathable and waterproof fabric based on hydrophobic plastic (such as PVDF) as a membrane layer. This new fabric allows higher water vapor throughput and better water resistance than other PVDF and ePTFE membranes. This is achieved through control of pore size, thus creating a spongy porous structure, pre-stressing to make the membrane and subsequent laminated fabric soft, and a microscopically folded structure which increases the surface area for the porous media, thus gaining higher throughput, waterproofness and comfort. In addition, the invention provides a method of controlling pore size distribution, increased porosity and pre-stress relief during the gelation process. | 09-06-2012 |
20120237676 | SOL-GEL BASED FORMULATIONS AND METHODS FOR PREPARATION OF HYDROPHOBIC ULTRA LOW REFRACTIVE INDEX ANTI-REFLECTIVE COATINGS ON GLASS - Embodiments of the invention relate generally to methods and compositions for forming porous low refractive index coatings on substrates. In one embodiment, a method of forming a porous coating on a substrate is provided. The method comprises coating a substrate with a sol-gel composition comprising at least one self assembling molecular porogen and annealing the coated substrate to remove the at least one self assembling molecular porogen to form the porous coating. Use of the self assembling molecular porogens leads to the formation of stable pores with larger volume and an increased reduction in the refractive index of the coating. Further, the size and interconnectivity of the pores may be controlled via selection of the self assembling molecular porogens structure, the total porogen fraction, polarity of the molecule and solvent, and other physiochemical properties of the gel phase. | 09-20-2012 |
20120251718 | SOL-GEL TRANSITION CONTROL OF COATINGS BY ADDITION OF SOLIDIFIERS FOR CONFORMAL COATINGS ON TEXTURED GLASS - Embodiments of the invention generally relate to methods and compositions for forming conformal coatings on textured substrates. More specifically, embodiments of the invention generally relate to sol-gel processes and sol-gel compositions for forming low refractive index conformal coatings on textured transparent substrates. In one embodiment a method of forming a conformal coating on a textured glass substrate is provided. The method comprises coating the textured glass substrate with a sol-gel composition comprising a solidifier. It is believed that use of the solidifier expedites the sol-gel transition point of the sol-gel composition leading to more conformal deposition of coatings on textured substrates. | 10-04-2012 |
20120251719 | PROCESS FOR MANUFACTURING A HEAT INSULATION CONTAINER - A process for manufacturing a heat insulation container mainly includes preparing a coating material by mixing a binder and a thermo-expandable powder, coating such coating material on a surface of a container and then heating the container to foam the coated material after the container is shaped. The foamed coating material is therefore provides the container with heat insulation property. The thermo-expandable powder consists of a plurality of thermo-expandable microcapsules, each of which consists of a thermoplastic polymer shell and a solvent wrapped by the thermoplastic polymer shell. To obtain a smooth surface, the soften point of the binder is required to be lower than the boiling point of the solvent. | 10-04-2012 |
20120328778 | INFUSION OF POROUS MEDIA WITH A LIQUID CHEMICAL AGENT MIXTURE - Methods of infusing a porous media with a liquid chemical agent mixture are disclosed. In some embodiments, the methods include forming a solution of said chemical agent in a suitable solvent, introducing said chemical agent solution into contact with said porous media, and evaporating said solvent to deposit said chemical agent onto/into said porous media. In some embodiments, the chemical agent is CIPC. | 12-27-2012 |
20130052345 | POROUS ELASTOMERIC INFILLS - A method of forming a porous elastomeric composition and an infill for installation at the base of trees and signs comprising the steps of encapsulating recycled rubber—styrene butadiene rubber (SBR)—with pigmented polyurethane to form cured SBR granules, mixing the coloured SBR granules with a polyurethane based moisture curing prepolymer to form an uncured porous polymeric composition, applying the uncured porous polymeric composition to the base of a tree or sign, tamping the uncured porous polymeric composition until its uppermost surface is level with a surrounding area and allowing the porous polymeric composition to set. | 02-28-2013 |
20130095241 | Preparation of aligned nanotube membranes for water and gas separation applications - Fabrication methods for selective membranes that include aligned nanotubes can advantageously include a mechanical polishing step. The nanotubes have their ends closed off during the step of infiltrating a polymer precursor around the nanotubes. This prevents polymer precursor from flowing into the nanotubes. The polishing step is performed after the polymer matrix is formed, and can open up the ends of the nanotubes. | 04-18-2013 |
20130136859 | FILM FORMING METHOD AND PROCESSING SYSTEM - A film forming method performs a film forming process on a target object having on a surface thereof an insulating layer. The film forming method includes a first thin film forming step of forming a first thin film containing a first metal, an oxidation step of forming an oxide film by oxidizing the first thin film, and a second thin film forming step of forming a second thin film containing a second metal on the oxide film. | 05-30-2013 |
20130189430 | METHOD FOR PRODUCING MOLDED BODY - A method for producing a molded body in which the matrix of a composite material is prevented from penetrating into a carbon foam. Specifically, a method for producing a molded body ( | 07-25-2013 |
20130189431 | Fabric and Fabric Laminate - The present invention provides a fabric and a fabric structure made of yarns with reduced water absorption. The fabric comprises yarns and interstices between the yarns, the interstices between the yarns having an average width of greater than 100 μm. At least one of the yarns is comprised of multiple fibers. Said at least one yarn has voids between the fibers wherein the voids are filled up with a polymer material. The interstices remain open and the size of the interstices is the same as before the treatment. The filling of the voids between the fibers with the polymer material prevents the absorption of water into said voids and therefore leads to reduced water absorption of the fabric. The polymer material is substantially only located within the voids of the yarn and has embedded the fibers within the outer surface of said yarn. | 07-25-2013 |
20130202793 | FOAM, COMPOSITION, AND METHOD - A method of producing a foam is disclosed. The method includes providing an epoxy-containing compound, a cationic catalyst, an optional blowing agent, and at least one additive. The method further includes combining the epoxy-containing compound with the cationic catalyst, the optional blowing agent, and the at least one additive, wherein the epoxy-containing compound and the cationic catalyst react to polymerize the epoxy-containing compound to provide the foam having a density from about 0.3 lbs/ft | 08-08-2013 |
20130287944 | COMPOSITE POLYAMIDE MEMBRANE - A method for making a composite polyamide membrane including the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a subject monomer comprising an aromatic moiety substituted with a single carboxylic acid functional group or salt thereof and a single amine-reactive functional group; and/or ii) applying such a monomer to the thin film polyamide layer. Many additional embodiments are described including applications for such membranes. | 10-31-2013 |
20130287945 | COMPOSITE POLYAMIDE MEMBRANE - A method for making a composite polyamide membrane comprising the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a C | 10-31-2013 |
20130323419 | METHODS FOR PREPARING POLYMER MEMBRANES ON POROUS SUPPORTS - Methods for preparing a polymer membrane on a porous support may include providing a porous support having an outer wall, a first end, a second end, and porous channel surfaces that define a plurality of channels through the porous support from the first end to the second end. The plurality of channels includes membrane channels. The channel surfaces that define the membrane channels are membrane-channel surfaces. The polymer membrane may be coated onto the porous support by first establishing a pressure differential between the outer wall and the plurality of channels. Then, a pre-polymer solution may be applied to the membrane-channel surfaces and, optionally, the first and second ends, by slip coating or emulsion coating while the pressure differential is maintained. This results in formation of a pre-polymer layer on at least the membrane-channel surfaces. Then, the pre-polymer layer may be cured to form the polymer membrane. | 12-05-2013 |
20140030432 | Method for Making Porous Materials - A method for manufacturing a porous material is disclosed, which comprises the following steps: providing a substrate; coating the substrate with a precursor solution to form a precursor film, wherein the precursor solution includes a precursor compound, a porogen, and a solvent, and the porogen is modified by a surface modification to have an absolute surface electric potential of >25 mV; and treating the precursor film with a thermal curing profile to remove the porogen and form a porous material. | 01-30-2014 |
20140050846 | HYBRID NANOPARTICLE TFC MEMBRANES - Reverse osmosis membranes made by interfacial polymerization of a monomer in a nonpolar (e.g. organic) phase together with a monomer in a polar (e.g. aqueous) phase on a porous support membrane. Interfacial polymerization process is disclosed for preparing a highly permeable RO membrane, comprising: contacting on a porous support membrane, a) a first solution containing 1,3-diaminobenzene, and b) a second solution containing trimesoyl chloride, wherein at least one of solutions a) and b) contains nanoparticles when said solutions are first contacted, and recovering a highly permeable RO membrane. | 02-20-2014 |
20140057049 | Method of Manufacturing Fabric with Cool Effect - A method of manufacturing fabric is provided with adding 900 g of a material having a 92 wt % of SiO | 02-27-2014 |
20140087071 | ION-EXCHANGE MANGANESE OXIDE LITHIUM ADSORBENT USING POROUS STRUCTURE AND METHOD FOR PREPARING THE SAME - The present invention relates to an ion-exchange manganese oxide lithium adsorbent using a porous structure and a method for preparing the same. The lithium adsorbent according to the present invention is highly dispersed on the surface of the porous structure, and thus it has excellent adsorption performance and physical stability and is easy to handle. Moreover, through the porous structure, the contact between a lithium-containing solution and the adsorbent is facilitated to maximize the adsorption capacity, thus making it possible to highly efficiently recover lithium ions from a solution containing a small amount of lithium ions. | 03-27-2014 |
20140199482 | CEMENT AND SKINNING MATERIAL FOR CERAMIC HONEYCOMB STRUCTURES - Skins and/or adhesive layers are formed on a porous ceramic honeycomb by applying a layer of a cement composition to a surface of the honeycomb and firing the cement composition. The cement composition contains inorganic filler particles, a carrier fluid and a clay material rather than the colloidal alumina and/or silica materials that are conventionally used in such cements. The cement compositions resist permeation into the porous walls of the ceramic honeycomb. As a result, lower temperature gradients are seen in the honeycomb structure during rapid temperature changes, which results in an increased thermal shock resistance. | 07-17-2014 |
20140302237 | METHOD FOR TREATING HIGH STRENGTH FABRIC TO BE WATER REPELLENT - The present invention relates to a method for treating high-strength fabric to be water-repellent, which includes dipping a high-strength fabric in a water-repellent agent composition to impregnate the high-strength fabric with the water-repellent agent composition, and then, using an air-suction machine to pick-up a part of the water-repellent agent composition impregnated in the high-strength fabric before drying and heating the same. The present invention has advantages in that a part of the water-repellent agent composition impregnated in the high-strength fabric may be uniformly picked-up during dipping, so as to improve water-repellent performance, especially, water-repellency after friction as well as initial water-repellency, and may effectively prevent occurrence of wrinkles on the high-strength fabric during water-repellent treatment. The high-strength fabric obtained by water-repellent treatment according to the present invention exhibits increased flexibility without wrinkles, so as to improve wearing comfort. Further, in case of using the fabric as a raw fabric for bulletproof garments, water-repellency is increased to prevent deterioration in bulletproof properties caused by water absorption. | 10-09-2014 |
20140363571 | ODOR ELIMINATING CLOTH AND PROCESS FOR PRODUCING THE SAME - An odor eliminating cloth according to this invention is characterized in that an odor eliminating composition containing a porous inorganic substance, a metallic oxide, and an inorganic silicon compound carrying a polyamine compound is fixed to at least a part of a cloth by means of a binder resin. With this odor eliminating cloth, any types of odors of basic gases, acidic gases, neutral gases, sulphur series gases contained in the air of a room can be effectively eliminated. | 12-11-2014 |
20150086713 | NON-FLUORO HYDROPHOBIC AQUEOUS-BASED POLYURETHANE RESIN DISPERSION, AND PRODUCTION METHOD AND USE THEREOF - The present invention provides a cross-linking non-fluoro hydrophobic aqueous polyurethane dispersion, which is produced by selecting a compound comprising alcohols, amines, acids, saturated or unsaturated (double-bonded or epoxidized) aliphatic long chain carbon-carbon groups or polydimethylsiloxane comprising alcohol groups, amines, oxosilane to be reacted with IPDI to obtain a PU prepolymer; adding a compound having tertiary amines to neutralize the carboxylic acid of PU prepolymer and adding water to disperse the PU prepolymer; and adding a ambient temperature cross-linking agent to obtain a cross-linking hydrophobic aqueous PU dispersion of the present invention. The hydrophobic aqueous-based PU resin has no fluorine which is friendly to the environment, and may further self cross-links on its applications on fabric, paper, wood, glass and metal surfaces, respectively on drying at ambient temperature which is energy saving process. Its cross-linking reaction of this hydrophobic PU system that will achieve a long-lasting water repellent surface treatment. | 03-26-2015 |
20150086714 | SEPARATOR HAVING POROUS COATING LAYER AND ELECTROCHEMICAL DEVICE HAVING THE SAME - The present invention refers to a method for manufacturing a separator, comprising preparing first inorganic particles having an average diameter of 1 to 10 μm and coated with a coupling agent, and second inorganic particles having an average diameter of 50 to 500 nm and coated with a coupling agent on the surface thereof; mixing the first inorganic particles and the second inorganic particles together with a binder polymer and adding the resulting mixture to a solvent to obtain a slurry; and coating the slurry on at least one surface of a porous substrate. | 03-26-2015 |
20150321150 | SEPARATION MEMBRANE FOR TREATING GAS CONTAINING ACIDIC GAS AND METHOD FOR PRODUCING SAME, METHOD FOR SEPARATING ACIDIC GAS OR METHANE GAS, AND METHOD FOR PRODUCING ACIDIC GAS OR METHANE GAS - An acidic gas-containing gas treatment separation membrane is provided which is capable of separating acidic gas or methane gas from biogas containing acidic gas, such as carbon dioxide or the like, and methane gas to obtain a gas having a high methane concentration. The acidic gas-containing gas treatment separation membrane includes a polysiloxane network structure having an introduced hydrocarbon group, doped with a metal salt having affinity for acidic gas. The polysiloxane network structure having the introduced hydrocarbon group is a composite polysiloxane network structure obtained by a reaction of a tetraalkoxysilane with a trialkoxysilane containing the hydrocarbon group. The tetraalkoxysilane is tetramethoxysilane or tetraethoxysilane. The trialkoxysilane containing the hydrocarbon group is trimethoxysilane or triethoxysilane whose Si atom is bonded with an alkyl or phenyl group having 1-6 carbon atoms. | 11-12-2015 |
20160121365 | CROSSLINKED POLY(VINYL ALCOHOL) AND SILICA NANOPARTICLE MULTILAYER COATINGS AND METHODS - Articles having crosslinked poly(vinyl alcohol) (PVA) and silica nanoparticle multilayer coatings are provided. More specifically, articles including a substrate, and a multilayer coating attached to the substrate are provided. The multilayer coating includes a first crosslinked poly(vinyl alcohol) (PVA) layer and a first silica layer. The first crosslinked PVA layer is an outermost layer of the multilayer coating. The first silica layer comprises a plurality of acid-sintered interconnected silica nanoparticles arranged to form a continuous three-dimensional porous network. The PVA and silica nanoparticle multilayer coatings can be used on a large variety of substrates and tend to be resistant to wet and dry abrasions, scratches, and impacts. | 05-05-2016 |
20180022648 | Method for preparing support of molecular sieve membrane | 01-25-2018 |
20180022885 | POLYURETHANE FOAM-FORMING COMPOSITIONS, METHODS OF MAKING LOW DENSITY FOAMS USING SUCH COMPOSITIONS, AND FOAMS FORMED THEREFROM | 01-25-2018 |