Patent application number | Description | Published |
20080200621 | Retardation Film, Novel Polymer, Optical Film, and Image Display Device - A retardation film comprising a monolayer film having a birefringent chain polymer orientated. The polymer has a repeating unit of the structure of the general formula: (V) wherein R | 08-21-2008 |
20080257818 | Semipermeable Composite Membrane and Process for Producing the Same - The present invention aims at providing a composite semipermeable membrane having outstanding water permeability and salt-blocking rate, and extremely small amount of unreacted polyfunctional amine components in the porous support, and at providing a process for producing the composite semipermeable membrane. A composite semipermeable membrane having a skin layer formed on the surface of a porous support, the skin layer comprising a polyamide resin obtained by interfacial polymerization of a polyfunctional amine component and a polyfunctional acid halide component, wherein the porous support has a microporous layer on a base material, and the content of an unreacted polyfunctional amine component in the base material after a membrane washing treatment is 0.5 mg/m | 10-23-2008 |
20080277334 | Process for Producing Semipermeable Composite Membrane - The present invention aims at providing a composite semipermeable membrane excellent in water permeability and salt-blocking rate, a smaller content of unreacted polyfunctional amine components in the membrane, the composite semipermeable membrane avoiding the necessity of a membrane washing treatment, and the present invention also aims at providing a process for producing the composite semipermeable membrane. A composite semipermeable membrane having a skin layer, formed on a surface of a porous support, including a polyamide resin obtained by an interfacial polymerization of a polyfunctional amine component and a polyfunctional acid halide component, wherein the content of the unreacted polyfunctional amine component is 200 mg/m | 11-13-2008 |
20090109385 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal panel of the present invention includes at least a liquid crystal cell, a first polarizer disposed on one side of the liquid crystal cell, a second polarizer disposed on the other side of the liquid crystal cell and a retardation film (A) disposed between the liquid crystal cell and the first polarizer, wherein the retardation film (A) contains a thermoplastic polymer having at least a substituent (a) represented by the following formula (I) and its in-plane retardation value (Re[750]) at a wavelength of 750 nm is larger than its retardation value (Re[550]) at a wavelength of 550 nm. The liquid crystal panel has such an effect that it reduces coloring of characters or images and a color shift even if a screen is viewed from any direction at an angle range of 360°. | 04-30-2009 |
20090116109 | OPTICAL FILM CONTAINING POLYMER HAVING NAPHTYL GROUP - The object of the present invention is to provide an optical film excellent in transparency, heat resistance and processability. An optical film containing a polymer having at least a repeating unit represented by following general formula (I): | 05-07-2009 |
20090167999 | RETARDATION FILM, OPTICAL LAMINATED BODY, LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY - The retardation film of the present invention contains a thermoplastic polymer having at least a side chain component (A) oriented in a direction substantially orthogonal to a slow axis, and the absorption edge wavelength (λ | 07-02-2009 |
20100036009 | PROCESS FOR PRODUCING MICROPOROUS POLYMERIC OBJECT, AND MICROPOROUS POLYMERIC OBJECT AND SEPARATION MEMBRANE - A process for producing a microporous polymeric object to improve the degree of freedom for its various properties, compared to conventional processes, includes: mixing a block copolymer made of three or more kinds of segments with a polymer, wherein one or more of the segments are made of monomer units having a first functional group forming ionic and/or hydrogen bond, the segments constitute a co-continuous structure having mutually-independent and continuous regions due to a phase separation based on incompatibility between the segments, and the polymer has, at other than polymer chain terminals, a second functional group forming such bond with the first functional group, thereby allowing the segments to associate with the polymer at many points; forming a co-continuous structure including a region composed of the polymer and the segments due to the phase separation; and removing the polymer from the region by weakening the bond between the functional groups. | 02-11-2010 |
20100120985 | PROCESS FOR PRODUCING POLYMERIC OBJECT HAVING MICROPHASE-SEPARATED STRUCTURE AND POLYMERIC OBJECT HAVING MICROPHASE-SEPARATED STRUCTURE - A process for producing a polymeric object having a microphase-separated structure that can improve the degree of freedom for the structure to be formed is provided. A block copolymer composed of two or more segments and having a first segment composed of a monomer unit having a first functional group capable of forming an ionic bond and/or a hydrogen bond and a second segment incompatible with the first segment, and a polymer having, at other than the terminals of its polymer chain, a second functional group capable of forming an ionic bond and/or a hydrogen bond with the first functional group are mixed. Then, allowing the first segment to be associated with the polymer at many points by an ionic bond and/or a hydrogen bond, the mixture of the copolymer and the polymer is microphase separated. As a result, a polymeric object is formed including a region including the first segment and the polymer that have been associated with each other, and a region including the second segment. | 05-13-2010 |
20100173083 | SEMIPERMEABLE COMPOSITE MEMBRANE AND PROCESS FOR PRODUCING THE SAME - The present invention aims at providing a composite semipermeable membrane excellent in water permeability and salt-blocking rate, and including an extremely small amount of unreacted polyfunctional amine components in the membrane, and at providing a process for producing the composite semipermeable membrane. A composite semipermeable membrane having a skin layer formed on the surface of a porous support, the skin layer comprising a polyamide resin obtained by interfacial polymerization of a polyfunctional amine component and a polyfunctional acid halide component, wherein the content of an unreacted polyfunctional amine component is 200 mg/m | 07-08-2010 |
20100178489 | COMPOSITE SEMIPERMEABLE MEMBRANE - It is an object of the present invention to provide a composite semipermeable membrane having an excellent resistance property to contamination, particularly an excellent resistance property to microbial contamination, and a water treatment method using the composite semipermeable membrane. The present invention relates to a composite semipermeable membrane comprising a skin layer formed on the surface of a porous support and containing a polyamide-based resin obtained by reacting a polyfunctional amine component with a polyfunctional acid halide component, wherein an antibacterial layer containing a silver-based antibacterial agent and a polymer component is formed on the skin layer directly or with other layer interposed therebetween, and the weight ratio between the silver-based antibacterial agent and the polymer component in the antibacterial layer is 55:45 to 95:5 (silver-based antibacterial agent:polymer component). | 07-15-2010 |
20100320143 | COMPOSITE SEMIPERMEABLE MEMBRANES AND PROCESS FOR PRODUCTION THEREOF - It is an object of the present invention to provide a process for producing, easily and at a low cost, a composite semipermeable membrane having excellent contamination resistance, especially microbial contamination resistance, and a composite semipermeable membrane produced by the process. The process for producing a composite semipermeable membrane of the present invention comprises forming a skin layer including a polyamide resin obtained by a reaction between a polyfunctional amine component and a polyfunctional acid halide component on the surface of a porous support; forming a polymer layer (A) including a silver salt compound on the skin layer directly or through other layers; and reducing the silver salt compound to precipitate metal silver in the polymer layer (A) and/or on the surface thereof. | 12-23-2010 |
20110079546 | MEMBRANE FILTERING DEVICE MANAGING SYSTEM AND MEMBRANE FILTERING DEVICE FOR USE THEREIN, AND MEMBRANE FILTERING DEVICE MANAGING METHOD - Provided are a membrane filtering device managing system by which the membrane filtering device can be managed with a better precision and membrane filtering device for use therein, as well as to a membrane filtering device managing method. At least two sensors of an electric conductivity sensor | 04-07-2011 |
20110114560 | SPIRAL TYPE MEMBRANE ELEMENT AND SPIRAL TYPE MEMBRANE FILTERING DEVICE HAVING THE MEMBRANE ELEMENT, AND MEMBRANE FILTERING DEVICE MANAGING SYSTEM AND MEMBRANE FILTERING DEVICE MANAGING METHOD USING THE DEVICE - Provided are a spiral type membrane element that can ensure a larger amount of electric power without performing a cumbersome work and a spiral type membrane filtering device having the element, as well as a membrane filtering device managing system and a membrane filtering device managing method using the device. The spiral type membrane element comprises a sensor for detecting a property of liquid, a power generating section that generates electric power by using said liquid, and a wireless transmitting section that receives the electric power supplied from said power generating section and wirelessly transmits a detection signal from said sensor. By generating electric power in the power generating section with use of the liquid detected by the sensor, a larger amount of electric power can be ensured without performing a cumbersome work. | 05-19-2011 |
20110114561 | SPIRAL TYPE MEMBRANE FILTERING DEVICE AND MOUNTING MEMBER, AND MEMBRANE FILTERING DEVICE MANAGING SYSTEM AND MEMBRANE FILTERING DEVICE MANAGING METHOD USING THE SAME - Provided are a spiral type membrane filtering device by which an electric component can be re-used and a mounting member, as well as a membrane filtering device managing system and a membrane filtering device managing method using the same. An interconnector ( | 05-19-2011 |
20110121574 | SPIRAL TYPE MEMBRANE ELEMENT, AND SPIRAL TYPE MEMBRANE FILTERING DEVICE HAVING THE SAME - Provided are a spiral type membrane element that can re-collect the electric power that is used in a good manner, and a spiral type membrane filtering device having the same. The spiral type membrane element comprises a power generating section that generates electric power by using a liquid, and an electric power outputting section that outputs, either in a wired manner or in a wireless manner, the electric power supplied from said power generating section. The electric power that is generated in the power generating section using the liquid (raw water, permeated water, or concentrated water) can be output from the electric power outputting section in a wired manner or in a wireless manner. Therefore, the electric power that is output from the aforesaid electric power outputting section can be used in an electric component disposed outside or can be stored into a capacitor section disposed outside. | 05-26-2011 |
20120252912 | PROCESS FOR PRODUCING MICROPOROUS POLYMERIC OBJECT, AND MICROPOROUS POLYMERIC OBJECT AND SEPARATION MEMBRANE - A process for producing a microporous polymeric object to improve the degree of freedom for its various properties, compared to conventional processes, includes: mixing a block copolymer made of three or more kinds of segments with a polymer, wherein one or more of the segments are made of monomer units having a first functional group forming ionic and/or hydrogen bond, the segments constitute a co-continuous structure having mutually-independent and continuous regions due to a phase separation based on incompatibility between the segments, and the polymer has, at other than polymer chain terminals, a second functional group forming such bond with the first functional group, thereby allowing the segments to associate with the polymer at many points; forming a co-continuous structure including a region composed of the polymer and the segments due to the phase separation; and removing the polymer from the region by weakening the bond between the functional groups. | 10-04-2012 |
20130220002 | MEMBRANE SEPARATION APPARATUS, MEMBRANE SEPARATION APPARATUS OPERATION METHOD, AND EVALUATION METHOD USING THE MEMBRANE SEPARATION APPARATUS - A submodule is used to know exactly fouling of a membrane surface in a separation membrane module. The membrane separation apparatus of the present invention includes: a separation membrane module ( | 08-29-2013 |
20130334124 | SEPARATION MEMBRANE MODULE - Provided is a separation membrane module including: a tubular pressure container | 12-19-2013 |
20140027370 | SEPARATION MEMBRANE MODULE AND COUPLING MEMBER - A separation membrane module includes: a pressure container having a tubular shape; a plurality of separation membrane elements loaded in the pressure container so as to be aligned in the axial direction of the pressure container; and a coupling member coupling together the separation membrane elements adjacent to each other. The separation membrane element includes a central tube and a pair of end members | 01-30-2014 |