Patent application number | Description | Published |
20120181228 | Polyacrylonitrile Copolymer, Method For Manufacturing Membrane Including The Same, Membrane Including The Same, And Water Treatment Module Using The Membrane - Example embodiments relate to a polyacrylonitrile-based copolymer, a method for manufacturing a membrane including the same, a membrane including the same, and a water treatment module using the same. A membrane according to an example embodiment may include a polyacrylonitrile-based copolymer including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and/or a repeating unit represented by Chemical Formula 3. The definitions of the above Chemical Formulae 1, 2, and/or 3 may be the same as in the detailed description. Accordingly, the membrane may allow the attainment of a relatively high water permeation amount and a water treatment module having a relatively high energy efficiency. | 07-19-2012 |
20120211423 | DRAW SOLUTE FOR FORWARD OSMOSIS, DRAW SOLUTION INCLUDING THE SAME, FORWARD OSMOSIS WATER TREATMENT DEVICE USING THE SAME, AND FORWARD OSMOSIS METHOD FOR WATER TREATMENT USING THE SAME - A draw solute for forward osmosis may include a copolymer including a first structural unit where a temperature-sensitive side chain is graft polymerized, and a second structural unit including a hydrophilic functional group. The temperature-sensitive side chain may include a structural unit for a side chain including a temperature-sensitive moiety. | 08-23-2012 |
20120261321 | SEPARATION MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND FORWARD OSMOSIS DEVICE INCLUDING THE SAME - Example embodiments relate to a separation membrane including at least one polymer including a structural unit represented by the following Chemical Formula 1, | 10-18-2012 |
20120267304 | Membrane, Method For Manufacturing The Same, And Composite Membrane Including The Same - Example embodiments relate to a membrane, a method of manufacturing the same, and a composite membrane including the same. The membrane may include a polyacrylonitrile-based copolymer that includes a hydrophobic side chain and/or a hydrophobic repeating unit. The membrane may include a skin layer and a porous layer. A thickness ratio of the skin layer relative to the porous layer may be about 0.01 or less. The skin layer may have a thickness of about 1 μm or less. The membrane may have a relatively high water flux. When using the membrane, a water treatment module having higher energy efficiency may be achieved. | 10-25-2012 |
20120298574 | Organic/Inorganic Hybrid Compound For Fouling Resistance, Membrane Including The Same For Fouling Resistance, And Method Of Preparing Membrane For Fouling Resistance - An organic/inorganic composite compound for fouling resistance may include a core and at least an arm. The core may be formed of a polyhedron of polyhedral oligomeric silsesquioxane. At least one arm may be connected to a Si atom of the polyhedral oligomeric silsesquioxane. The arm may include a vinyl-based first structural unit including at least one ethylene oxide group at the side chain, and a hydrophobic vinyl-based second structural unit. | 11-29-2012 |
20130112613 | HYBRID POROUS STRUCTURED MATERIAL, MEMBRANE INCLUDING THE SAME, AND METHOD OF PREPARING HYBRID POROUS STRUCTURE MATERIAL - A hybrid porous structured material may include a porous region (that forms a nanopore structure) and a non-porous region. The porous region may form a stacked structure where a plurality of spherical bodies are stacked so as to contact each other in three dimensions. The non-porous region may form a structure that fills a gap between the plurality of spherical bodies of the porous region. | 05-09-2013 |
20130112615 | ORGANIC/INORGANIC FOULING RESISTANT HYBRID COMPOUND, FOULING RESISTANT MEMBRANE, AND METHOD OF PREPARING FOULING RESISTANT MEMBRANE - An organic/inorganic fouling resistant composite compound is disclosed, which includes a core of a polyhedron of polyhedral oligomeric silsesquioxane and at least one arm connected to a silicon atom of the polyhedral oligomeric silsesquioxane. The at least one arm includes a vinyl-based first structural unit including at least one ethylene oxide group at a side chain of the vinyl-based first structural unit and an oleophobic vinyl-based second structural unit including a silicon group at the side chain. | 05-09-2013 |
20130134081 | HYBRID POROUS STRUCTURE, METHOD OF PREPARING HYBRID POROUS STRUCTURE, SEPARATION MEMBRANE INCLUDING HYBRID POROUS STRUCTURE, AND WATER TREATMENT DEVICE INCLUDING MEMBRANE - A hybrid porous structure may include a base template and an ionic polymer coating layer within the base template. The structural framework of the base template itself is non-porous. The base template fills the gaps among a plurality of imaginary spherical bodies stacked in three-dimensions as an imaginary stack. The ionic polymer coating layer is laminated on an inner surface of the base template inside the imaginary spherical bodies. The imaginary spherical bodies may have a pore in the center which is not occupied by the ionic polymer coating layer. The hybrid porous structure may include a plurality of necks, which are openings formed in a contact part where adjacent imaginary spherical bodies contact each other. The necks may be interconnected to the pores located in the center part of the imaginary spherical bodies. | 05-30-2013 |
20130240444 | THERMOSENSITIVE COPOLYMERS, FORWARD OSMOSIS WATER TREATMENT DEVICES INCLUDING THE SAME, AND METHODS OF PRODUCING AND USING THE SAME - A thermosensitive copolymer may include a first repeating unit having a temperature-sensitive oligomer and a second repeating unit having an ionic moiety and a counter ion to the ionic moiety. The temperature-sensitive oligomer may be an oligomer including a repeating unit derived from a unsaturated monomer with a moiety represented by Chemical Formula 1 or Chemical Formula 2, or an oligomer including a repeating unit derived from a heterocyclic compound having C, N, O, and a C═N bond in its ring. | 09-19-2013 |
20130313182 | SEPARATION MEMBRANE AND WATER TREATMENT DEVICE INCLUDING THE SAME - A forward osmosis water treatment device may use a separation membrane including a polymer layer introduced with a functional group having an affinity for an osmosis draw solute present in an osmosis draw solution. | 11-28-2013 |
20140048477 | HYBRID POROUS STRUCTURED MATERIAL, MEMBRANE INCLUDING THE SAME, AND METHOD OF PREPARING HYBRID POROUS STRUCTURED MATERIAL - A hybrid porous structured material may include a matrix including a plurality of first pores interconnected in three dimensions, and a porous material including second pores and filling wholly or partially each of the plurality of the first pores. | 02-20-2014 |
20140326657 | SEMI-PERMEABLE FILM, MEMBRANE INCLUDING THE SEMI-PERMEABLE FILM, AND METHOD OF MANUFACTURING THE SEMI-PERMEABLE FILM - The present disclosure pertains to a semi-permeable film including a polyhedron oligomer silsesquioxane derivative dispersed in a polymer matrix, a method of manufacturing the same, a separation membrane including the semi-permeable film, and a water treatment device including the separation membrane. | 11-06-2014 |