Patent application number | Description | Published |
20100167168 | Hydrophilic Adjuvant - Disclosed is an adjuvant capable of imparting a hydrophilic or superhydrophilic function to various materials or interfaces. The hydrophilic adjuvant comprises: a composite metal oxide containing Si and at least one metal element selected from the group consisting of Ti(IV), Zr(IV), Sn(IV) and Al(III); and a hydrophilic group-containing organic compound physically or chemically bonded with the Ti(IV), Zr(IV), Sn(IV) or Al of the composite metal oxide. | 07-01-2010 |
20130156969 | RESIN BLEND - Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in solubility parameter from the first resin at 25° C. of 0.001 to 10 (J/cm | 06-20-2013 |
20130157056 | RESIN BLEND - Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s | 06-20-2013 |
20130164485 | RESIN BLEND - Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in surface energy from the first resin at 25° C. of 0.1 to 35 mN/m. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased. | 06-27-2013 |
20130164512 | RESIN ARTICLE - Provided is a resin article produced by melt processing and having layers formed by a layer-separation. having a layer-separated structure. The resin article may include a first resin layer and a second resin layer formed on the first resin layer. Also, the component of the first resin layer is detected on a surface of the second resin layer by infrared spectrometer. The resin article may have improved mechanical and surface characteristics. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased. | 06-27-2013 |
20130164513 | RESIN ARTICLE - Provided is a resin article produced by melt processing and having layers formed by a layer-separation. The resin article may include a first resin layer, a second resin layer formed on the first resin layer and an interface layer including a first resin and a second resin and formed between the first resin layer and the second resin layer. The resin article may have improved mechanical and surface characteristics. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased. | 06-27-2013 |
20130284665 | REVERSE OSMOSIS SEPARATION MEMBRANE HAVING HIGH DEGREE OF SALT REJECTION AND HIGH PERMEATION FLUX AND METHOD OF MANUFACTURING THE SAME - A reverse osmosis separation membrane includes a minute, porous support, and a polyamide active layer formed on the minute, porous support and including at least one compound containing grapheme is disclosed. A method of manufacturing the reverse osmosis separation membrane is also disclosed. | 10-31-2013 |
20130306550 | REVERSE OSMOSIS MEMBRANE HAVING GOOD ANTIFOULING PROPERTIES AND METHOD OF MANUFACTURING THE SAME - A reverse osmosis membrane includes a porous support, a polyamide active layer formed on the porous support, and a coating layer including a copolymer including an amphoteric ionic compound and glycidyl (meth)acrylate. The coating layer makes a chemical bond with the polyamide active layer. A method of manufacturing the reverse osmosis membrane also is disclosed. | 11-21-2013 |
20140014575 | REVERSE OSMOSIS MEMBRANE - There is provided a reverse osmosis membrane including a porous support; a polysulfone layer formed on the porous support and having pores formed in a surface thereof, pores having a diameter of 40 nm or greater accounting for less than 0.5% of total pores; and an active layer. | 01-16-2014 |
20140014576 | METHOD OF MANUFACTURING REVERSE OSMOSIS MEMBRANE, AND REVERSE OSMOSIS MEMBRANE MANUFACTURED THEREBY - There are provided a method of manufacturing a reverse osmosis membrane and a reverse osmosis membrane manufactured thereby. The method includes forming a polysulfone layer by applying a solution including a mixed solvent containing two or more solvents having different solubility parameter values to a surface of a porous support; and forming an active layer on the polysulfone layer. | 01-16-2014 |
20140034569 | REVERSE OSMOSIS MEMBRANE HAVING HIGH INITIAL PERMEATE FLUX - The present invention relates to a reverse osmosis membrane including: a porous support; a polysulfone layer formed on the porous support; and a polyamide active layer formed on the polysulfone layer, wherein the polyamide active layer is formed through interfacial polymerization between an amine compound and an acyl halide compound, and the acyl halide compound includes a monofunctional acyl halide and a polyfunctional acyl halide, and a method of manufacturing the same. | 02-06-2014 |
20140065512 | SULPHONATE BASED COMPOUND, POLYMER ELECTROLYTE MEMBRANE COMPRISING SAME AND FUEL CELL COMPRISING SAME - The present invention relates to a novel sulfonate-based compound, a method for preparing the same, a polymer electrolyte membrane comprising the sulfonate-based compound, a membrane electrode assembly comprising the same and a fuel cell comprising the same. | 03-06-2014 |
20140087157 | RESIN ARTICLE - Provided is a resin article having a layer-separated structure. The resin article may include a first resin layer and a second resin layer formed on the first resin layer. Also, the component of the first resin layer is detected on a surface of the second resin layer by infrared spectrometer. The resin article may have improved mechanical and surface characteristics. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased. | 03-27-2014 |
20140183128 | POLYAMIDE WATER-TREATMENT SEPARATION MEMBRANE WITH IMPROVED ANTIFOULING PROPERTIES AND MANUFACTURING METHOD THEREOF - A water-treatment separation membrane with good antifouling properties includes a support having pores, a polyamide layer formed on the support, and a passivation layer comprising specific materials formed on the polyamide layer. | 07-03-2014 |
20140251892 | SEPERATION MEMBRANE HAVING EXCELLENT ANTIFOULING PROPERTIES FOR WATER TREATMENT AND MANUFACTURING METHOD THEREOF - A water treatment separation membrane includes a support having pores, a polyamide layer formed on the support, and a passivation layer formed on the polyamide layer by using an aqueous solution including an amine-containing compound, an epoxy-containing compound and a fluorine-containing compound. | 09-11-2014 |
20140299537 | REVERSE OSMOSIS MEMBRANE INCLUDING NANO-SILVER WIRE LAYER AND FABRICATION METHOD THEREOF - There are provided a reverse osmosis membrane comprising a porous support; a silver nanowire layer formed on the porous support; and a polyamide film formed on the silver nanowire layer, and a fabrication method of a reverse osmosis membrane, the method comprising coating a porous support with an aqueous amine solution including silver nanowires to form a silver nanowire layer; and bringing the silver nanowire layer into contact with an aliphatic hydrocarbide-based organic solution including acyl halide to form a polyamide film. | 10-09-2014 |
20140311969 | WATER-TREATMENT SEPARATING MEMBRANE OF HIGH FLUX HAVING GOOD CHLORINE RESISTANCE - A water-treatment separating membrane includes a polyamide active layer formed on999 a porous support. The ratio of a maximum value with respect to a minimum value of a ratio of a peak height of a C=O double bond of a carboxyl group (—COOH) with respect to a peak height of a C=O double bond combined with an amide group (—CONH—) is from 1.2 to 4, when measured after acid treating the polyamide active layer and by using a Fourier transform infrared spectrometer (FTIR). | 10-23-2014 |
20140319051 | WATER-TREATMENT SEPARATING MEMBRANE OF HIGH FLUX HAVING GOOD CHLORINE RESISTANCE - A water-treatment separating membrane includes a polyamide active layer formed on a porous support. When the polyamide active layer is dyed using a 5% aqueous solution of Rhodamine B, at least a curve pattern formed by connecting two or more arcs is formed in at least a partial area of the polyamide active layer. | 10-30-2014 |
20140322443 | REVERSE OSMOSIS SEPARTION MEMBRANE HAVING HIGH DEGREE OF SALT REJECTION AND HIGH PERMEATION FLUX AND METHOD OF MANUFACTURING THE SAME - A reverse osmosis separation membrane includes a minute, porous support, and a polyamide active layer formed on the minute, porous support and including at least one compound containing grapheme is disclosed. A method of manufacturing the reverse osmosis separation membrane is also disclosed. | 10-30-2014 |
20140353242 | WATER-TREATMENT SEPARATING MEMBRANE OF HIGH FLUX HAVING GOOD CHLORINE RESISTANCE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a water-treatment separating membrane includes forming an aqueous amine solution layer on a porous support, and forming a polyamide active layer by dropping droplets of an organic solution including an acyl halide compound on the aqueous amine solution layer. A water-treatment separating membrane manufactured by the same also is provided. | 12-04-2014 |
20150068963 | REVERSE OSMOSIS MEMBRANE HAVING HIGH INITIAL PERMEATE FLUX AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a reverse osmosis membrane including: a porous support; a polysulfone layer formed on the porous support; and a polyamide active layer formed on the polysulfone layer, wherein the polyamide active layer is formed through interfacial polymerization between an amine compound and an acyl halide compound, and the acyl halide compound includes a monofunctional acyl halide and a polyfunctional acyl halide, and a method of manufacturing the same. | 03-12-2015 |
20150083660 | HIGH PERMEATE FLUX REVERSE OSMOSIS MEMBRANE INCLUDING CARBODIIMIDE COMPOUND AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a reverse osmosis membrane including a porous support including a polysulfone layer; and a polyamide active layer formed on the porous support, wherein a concentration of sulfur (S) detected on a surface of the polyamide active layer is 1.8×10 | 03-26-2015 |