| KOLON INDUSTRIES, INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120135653 | ISLAND-IN-SEA FIBER, ARTIFICIAL LEATHER AND METHODS FOR PRODUCING THE SAME - Disclosed is an artificial leather containing a non-woven fabric composed of ultra micro fibers and impregnated with an polymeric elastomer, wherein a residual shrinkage ratio of the artificial leather at 30% stretching is 10% or less in a machine direction and is 20% or less in a cross-machine direction. The artificial leather has optimal residual shrinkage ratios, and specifically a residual shrinkage ratio in a machine direction of 10% or less and a residual shrinkage ratio in a cross-machine direction of 20% or less, when the artificial leather is stretched by 30%. As a result, the artificial leather which has stretched during the process for shape-formation can easily contract and restore, and thus avoid creasing even when applied to the products having many curved parts. | 05-31-2012 |
| 20120128931 | THERMO-SHRINKABLE POLYESTER FILM - The present invention provides a thermo-shrinkable polyester film, which has good visibility to contents included in a container and can allow the contents to appear fresh when it is used as a label for covering a container due to its low haze, and which can prevent protrusions or wrinkles from being formed thereon when it is rolled during a film forming process or a post-treatment process. | 05-24-2012 |
| 20120127698 | CONDENSING TYPE OPTICAL SHEET - Disclosed is a condensing type optical sheet for use in a liquid crystal display, which prevents the generation of a yellow band or a rainbow phenomenon without using a protective sheet. | 05-24-2012 |
| 20120097596 | FILTERING SYSTEM - Disclosed is a filtering system which facilitates to maximize cleaning efficiency as contrasted with energy consumed for aeration cleaning of a filtering membrane module, and minimize horizontal dependence of an aeration tube, the filtering system comprising first and second aeration tube positioned under a plurality of filtering membrane modules, wherein a distance between the first and second aeration tubes and a diameter of the aeration hole are limited to a predetermined range. | 04-26-2012 |
| 20120095170 | PHOSPHORUS-CONTAINING PHENOL NOVOLAC RESIN, HARDENER COMPRISING THE SAME AND EPOXY RESIN COMPOSITION - This invention relates to a novel phosphorus-containing phenol novolac resin, use of the phosphorus-containing phenol novolac resin as a halogen-free flame retardant epoxy hardener, and an epoxy resin composition having high phosphorus content because it includes the phosphorus-containing phenol novolac resin, thereby exhibiting superior flame retardancy and heat resistance. | 04-19-2012 |
| 20120090641 | METHOD FOR CLEANING FILTERING MEMBRANE - A method for cleaning a filtering membrane, contaminated by contaminants including inorganic and organic materials during a fluid-filtering process, is disclosed, the method comprises cleaning the filtering membrane by using a first cleaning solution of pH 6˜9 so as to remove the organic material from the filtering membrane; and cleaning the filtering membrane by using a second acid cleaning solution so as to remove the inorganic material from the filtering membrane, wherein the cleaning method of the present invention uses the first cleaning solution having pH 6˜9 instead of a strong-alkaline cleaning solution so as to prevent the filtering membrane from being damaged, and also uses the cleaning solution maintained at a a relatively low temperature instead of hot water so as to improve economical efficiency by reduction of energy consumption. | 04-19-2012 |
| 20120088419 | POLYESTER THREAD FOR AN AIR BAG AND PREPARATION METHOD THEREOF - Disclosed is a polyester fiber that can be applied to a fabric for an airbag, and particularly, to a polyester fiber having a crystallinity of 43% to 55%, an amorphous orientation factor (AOF) of 0.2 to 0.8, and a long period of 140 to 180 Å, a method of preparing the same, and a fabric for an airbag prepared therefrom. The polyester fiber of the present invention remarkably secures high strength and high elongation, and it is possible to provide superior packing properties, dimensional stability, and gas barrier effect, and to protect occupants safely by minimizing the impact applied to the occupants, when it is used for the fabric for an airbag. | 04-12-2012 |
| 20120088068 | ARAMID COMPOSITE AND METHOD FOR PRODUCING THE SAME - Disclosed are an aramid composite which satisfies bulletproof performance required for the related art, is lightweight and exhibits superior adhesive strength, and a method for producing the same. The aramid composite includes an aramid fabric, an adhesive layer and a metal substrate, wherein at least one of the surface of the aramid fabric and the surface of the metal substrate is modified. | 04-12-2012 |
| 20120074056 | HOLLOW FIBER MEMBRANE MODULE, FILTRATION APPARATUS USING THE SAME, AND METHOD FOR MANUFACTURING THE FILTRATION APPARATUS - Disclosed are a hollow fiber membrane module, a filtration apparatus based on the same, and a method for manufacturing the filtration apparatus. The hollow fiber membrane module includes two headers respectively provided with a permeate collecting unit therein, wherein each of the headers has grooves on its two sides, the grooves being extended in a length direction of the hollow fiber membrane. Since one slide rod can simultaneously be inserted into grooves of two adjacent hollow fiber membrane modules, the hollow fiber membrane modules can mutually serve as guides for insertion/ejection thereof. Also, since the grooves formed on the header can serve as insertion holes into which a clamp is inserted, the clamp can be used for coupling between the hollow fiber membrane module and another element and reinforcement of the coupling. | 03-29-2012 |
| 20120067813 | COMPOSITE HOLLOW FIBER MEMBRANE AND METHOD FOR MANUFACTURING THE SAME - A composite hollow fiber membrane and a method for manufacturing the same is disclosed, which is capable of maintaining a peeling strength owing to a low shrinkage rate in hot water, even though a filtering system is used for a long time, whereby the composite hollow fiber membrane can be widely used in a micro-filtration field for producing axenic water, drinking water, super pure water, and so on. | 03-22-2012 |
| 20120043745 | TUBE-TYPE FABRIC SUBSTRATE FOR INTRODUCING GAS INTO AN AIRBAG AND PREPARATION METHOD THEREOF - The present invention relates to a fabric member for injecting an inflation gas into an airbag cushion when an airbag operates. Particularly, the present invention relates to a tube-type fabric substrate for injecting gas, including a tube-type fabric layer at which one or more gas discharge ports are formed, wherein the fabric layer is formed of a weave selected from the group consisting of a double-layered fabric weave, a basket weave, a co-woven fabric weave, a partial co-woven fabric weave, and a mixed weave thereof, and the weight per area of the fabric layer is 10 g/mm | 02-23-2012 |
| 20120043742 | POLYESTER FABRICS FOR AIRBAG AND PREPARATION METHOD THEREOF - Disclosed is a fabric for an airbag including a polyester fiber, and particularly to a polyester fabric for an airbag of which toughness is 3.5 to 6.0 kJ/m | 02-23-2012 |
| 20120041156 | POLYIMIDE FILM - The present invention provides a polyimide film which is both outstandingly transparent and highly heat resistance, and which can be usefully employed as a transparent electrically conductive film, a TFT substrate, a flexible printed circuit substrate, and the like. | 02-16-2012 |
| 20120040167 | POLYESTER FIBER FOR AIRBAG AND PREPARATION METHOD THEREOF - The present invention relates to a polyester fiber that can be applied to a fabric for an airbag, and particularly, to a polyester fiber having elongation of 0.5% or more at a stress of 1.0 g/d, elongation of 4.3% or more at a stress of 4.0 g/d, and elongation of 7.5% or more at a stress of 7.0 g/d, and an initial modulus of 40 to 100 g/d, a method of preparing the same, and a fabric for an airbag prepared therefrom. Since the polyester fiber of the present invention remarkably decreases stiffness and secures superior mechanical properties, it is possible to provide superior packing properties, dimensional stability, and gas barrier effect, and to protect occupants safely by minimizing the impact applied to the occupants, when it is used for the fabric for an airbag. | 02-16-2012 |
| 20120009839 | ARTIFICIAL LEATHER AND METHOD FOR MANUFACTURING THE SAME - Artificial leather with optimal elongation and a method for manufacturing the same is disclosed, the artificial leather comprising a non-woven fabric with micro-fibers and a polymeric elastomer impregnated into the non-woven-fiber, wherein the polymeric elastomer is 20 to 30% by weight with respect to a total weight of the artificial leather, and a density of the non-woven fabric is within the range of 0.160 to 0.250g/cm | 01-12-2012 |
| 20110311796 | POLYIMIDE FILM - Disclosed is a polyimide film, which is colorless and transparent, and which prevents the distortion of an image and exhibits excellent color reproducibility. | 12-22-2011 |
| 20110252762 | LYOCELL FILAMENT FIBERS AND TIRE CORD USING THE SAME - The present invention is relates to lyocell filament fibers having fatigue resistance and durability, of which the dimensional stability at high temperature and the high speed driving performance are good, and a tire cord prepared therefrom. | 10-20-2011 |
| 20110245455 | POLYIMIDE FILM - The present invention provides a polyimide film having a good transparency and also an excellent thermal resistance so that it is useful in a transparent conductive film, TFT substrate, a flexible printing circuit substrate, and the like. | 10-06-2011 |
| 20110244222 | SEAMLESS BELT - The present invention relates to a belt for an image forming apparatus, including a releasing coating layer containing at least one selected from the group consisting of a paraffin-based hydrocarbon that is also known as a paraffin wax, an isomer thereof or ester compound. | 10-06-2011 |
| 20110220572 | FILTERING SYSTEM AND METHOD - Disclosed is a filtering system and method which facilitates to maximize cleaning efficiency, minimize heat energy consumption for cleaning, and shorten cleaning time by a concentrated heating only in a filtering membrane for a maintenance cleaning or recovery cleaning, wherein the filtering system comprises a membrane module including a filtering membrane; an air supplying means for cleaning the filtering membrane; and a heater for heating air supplied from the air supplying means. | 09-15-2011 |
| 20110218337 | LYOCELL FILAMENT FIBER AND CELLULOSE BASED TIRE CORD - Disclosed are a lyocell filament fiber and a cellulose-based tire cord. The lyocell filament fibers and the cellulose based tire cord have good dimensional stability in a highly humid state and thus the tenacity, the elongation, and the modulus are superior to common cellulose based fibers, such as rayon and so on. Their property maintaining rate at the post manufacturing process is high and the processibility is good. | 09-08-2011 |
| 20110192787 | HOLLOW FIBER MEMBRANE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a through-one-end water collection type hollow fiber membrane and a method for manufacturing the same. According to the present invention, an internal sealing part is formed in the hollow part of the membrane at its free end. The internal sealing part supports an external sealing part surrounding the external surface of the free end such that the durability of the whole sealing part might be improved. | 08-11-2011 |
| 20110178252 | PHENOL NOVOLAC RESIN, PHENOL NOVOLAC EPOXY RESIN AND EPOXY RESIN COMPOSITION - Disclosed herein are a phenol novolac resin which is used as a raw material for thermosetting resin, a phenol novolac epoxy resin which is obtained therefrom, an epoxy resin composition which utilizes the phenol novolac resin as a curing agent or contains the phenol novolac epoxy resin as a base resin. | 07-21-2011 |
| 20110172386 | THERMO-SHRINKABLE POLYESTER FILM - Disclosed is a thermo-shrinkable polyester film in which shrinkage uniformity is ensured in a shrinking process thus realizing superior quality of the outer appearance without causing a poorly printed state, reducing the production cost of the shrinking process and improving the productivity. | 07-14-2011 |
| 20110171445 | TRANSPARENT ELECTRODE - Disclosed herein is a transparent electrode, including: a polyimide film having an average linear thermal expansion coefficient of 50.0 ppm/° C. or less, which is measured by thermo-mechanical analysis based on a film thickness of 50˜100 μm at a temperature of 50˜250° C., and a yellowness of 15 or less; and an electrode layer including a conductive material and a polyimide resin having an average linear thermal expansion coefficient of 50.0 ppm/° C. or less, which is measured by thermo-mechanical analysis based on a film thickness of 50˜100 μm at a temperature of 50˜250° C., and a yellowness of 15 or less. The transparent electrode is advantageous in that a problem of a short circuit does not occur even when apparatuses including this transparent electrode are over-heated because it has excellent heat resistance, and in that it is transparent and has high electroconductivity. | 07-14-2011 |
| 20110165806 | FABRIC FOR AIRBAG AND METHOD OF PREPARING THE SAME - The present invention relates to a fabric for an airbag, in particular, a fabric for an airbag comprising the polyester fiber, and a method of preparing the same. The fabric for the airbag according to the present invention is prepared by using a polyester fiber having the cross-section thereof in a flat shape, and there are advantages in that the present fabric is thinner than the fabric made of the circular cross-sectional fiber. It is possible to reduce the amount of the coating resin used and to lighten the weight of the product because of the low surface irregularity and the porosity. Also, the present fabric is superior in tensile strength, tearing strength, air permeability, and the folding property in a module system of the airbag apparatus. | 07-07-2011 |
| 20110160425 | POLYESTER FILM AND MANUFACTURING METHOD THEREOF - Provided is a polyester film having excellent high-temperature dimensional stability. More particularly, provided is a method for producing a polyester film, including: a) extruding and cooling a polyester resin to provide a non-oriented sheet; b) orienting the sheet in the machine direction (MD); c) orienting the MD oriented sheet in the transverse direction (TD); d) heat treating the sheet; and e) carrying out simultaneous relaxation by subjecting the heat treated sheet to MD relaxation at a ratio of 1% or higher, while subjecting it to TD relaxation in a tenter. Provided also is a polyester film obtained by the method. | 06-30-2011 |
| 20110155659 | POROUS MEMBRANE AND PREPARATION METHOD THEREOF - Disclosed is a porous membrane with high tensile strength, good elongation at break, and good water permeability, and a method for manufacturing the same. The porous membrane comprises a bead structure including plural spherical crystallites, wherein macro voids isolated from one another with the plural spherical crystallites are formed in an outer surface side of the porous membrane. | 06-30-2011 |
| 20110151223 | PROTECTIVE FILM - The present invention relates to a protective film formed by stacking two or more sheets of transparent plastic bases having functional coating layers by means of an adhesive layer. | 06-23-2011 |
| 20110147052 | POLYIMIDE FILM - Disclosed is a polyimide film for insulating material prepared by reacting an acid anhydride and diamine compounds comprising p-phenylenediamine. The polyimide film has excellent electric properties such as a coefficient of thermal expansion, an elongation, a intensity, a dielectric strength and a bulk resistance, and suitable for use in a TAB tape employing a polyimide film, and a flexible printed wiring board. | 06-23-2011 |
| 20110143132 | PLASTIC SUBSTRATE AND DEVICE INCLUDING THE SAME - Disclosed is a plastic substrate, which includes a plastic film, a reflective and/or conductive metal layer, and a resin layer having a conductive material dispersed therein and which is useful as a lower substrate of a transmissive electronic paper display device or a display device. | 06-16-2011 |
| 20110135891 | FILM TYPE PHOTODEGRADABLE TRANSFER MATERIAL - Disclosed herein is a film-type photodegradable transfer material, comprising: a support film; a resin protection layer; a photodegradable photoresist layer; and a cover film, wherein the resin protection layer has an adhesion force of 0.05 kg | 06-09-2011 |
| 20110118389 | CELLULOSE-BASED FIBER, AND TIRE CORD COMPRISING THE SAME - The present invention provides cellulose-based fibers including cellulose and at least one polymer selected from the group consisting of a polysiloxane, a polyacrylic acid, a polyacrylamide, an m-aramid, and a poly vinylalcohol/polystyrene copolymer, and a tire cord including the same. Furthermore, the cellulose-based fibers of the present invention have an advantage in superior elongation and tenacity of the prior cellulose fibers by blending at least one polymer having a functional group that is capable of a hydrogen bond with a hydroxyl group of a cellulose molecule. | 05-19-2011 |
| 20110117498 | PHOTOSENSITIVE RESIN COMPOSITION - Disclosed herein is a photosensitive resin composition which exhibits proper optical density and hydrophobicity when it is formed into a light-shielding film, and which is useful in preventing the color mixing or position deviation of color ink when the color ink is charged in a region defined by a light-shielding film. | 05-19-2011 |
| 20110117322 | OPTICAL SHEET - Disclosed is an optical sheet which is used in a liquid crystal display. The optical sheet is not readily damaged by external impact, and thus is easy to handle and can reduce failure rate, leading to a decrease in production cost and an increase in production efficiency. Also, it can prevent a decrease in brightness. | 05-19-2011 |
| 20110108178 | POLY(ETHYLENETEREPHTHALATE) TIRE CORD, AND TIRE COMPRISING THE SAME - Disclosed is a PET tire cord which has a flat spot index (FSI) defined by the following Calculation Formula 1 of 5.0% or less: | 05-12-2011 |
| 20110083886 | METHOD OF MANUFACTURING ELECTRODE SUBSTRATE - Disclosed herein is a method of manufacturing an electrode substrate, by which a film-shape electrode substrate including a carbon nanotube layer, which does not include a dispersant, is not related to the kind of binder and is strongly attached to the electrode substrate, can be easily manufactured. | 04-14-2011 |
| 20110082276 | TRANSPARENT POLYIMIDE FILM HAVING IMPROVED SOLVENT RESISTANCE - Disclosed herein is a transparent polyimide film having improved solvent resistance, the outer form of which is not changed by swelling or dissolving even when it is immersed in a polar solvent. | 04-07-2011 |
| 20110077339 | WHITE FILM AND A METHOD OF MANUFACTURING OPAQUE WHITE FILM - Disclosed is a white film having low content of oligomer within the film. | 03-31-2011 |
| 20110076475 | PROTECTIVE FILM - Provided is a protective film including two or more transparent plastic substrates having a functional coating layer formed thereon and laminated successively by way of an adhesive layer. | 03-31-2011 |
| 20110054131 | CYCLOOLEFIN-BASED POLYMER COMPOUND, PREPARATION METHOD THEREOF AND SELECTIVE HYDROGENATION PROCESS - A cycloolefin-based copolymer and a hydrogenation process are disclosed, wherein the cycloolefin-based copolymer is prepared by using: a monomer which can be easily and economically obtained by hydrogenating dicyclopentadiene that occupies much of C5 fractions from naphtha cracking; or a monomer which can be obtained by chemically bonding three molecules of cyclopentadiene via Diels-Alder reactions and then hydrogenating the cyclopentadiene. The copolymer can be used in various fields as an amorphous transparent resin. | 03-03-2011 |
| 20110051247 | OPTICAL SHEETS - Disclosed is an optical sheet having a structured surface and a composition for forming optical three-dimensional patterns able to form the structured surface, which is not easily damaged by external force or a rough surface and thus facilitates the handling thereof, reduces defective rates to thus decrease the production cost and increase the production efficiency, and prevents a decrease in luminance attributable to damage. | 03-03-2011 |
| 20110049026 | HOLLOW FIBER MEMBRANE MODULE FOR WATER PURIFIER - A hollow fiber membrane module with good ventilativity is disclosed, which is capable of reducing a time period for completely filling a water space of housing with water introduced through a water inlet by quickly replacing the air in the water space with the water thereby improving the efficiency of water flow. | 03-03-2011 |
| 20110048604 | ARAMID TIRE CORD AND MANUFACTURING METHOD THEREOF - Disclosed is aramid tire cord and a method for manufacturing the same, wherein the aramid tire cord has superior properties on initial modulus change rate, tensile strain, initial modulus and strength retention rate, wherein the initial modulus change rate is not more than 5% after the aramid tire cord is repetitively extended 10 times at 120° C. under the condition that the load corresponding to 10% of the strength at break is applied thereto. Thus, the aramid tire cord of the present invention has the most optimal modulus, optimal crystallization constant and optimal crystalline orientation constant so that the aramid tire cord is superior in its initial modulus change rate, tensile strain and initial modulus retention rate, to thereby obtain good fatigue resistance. Thus, if the aramid tire cord of the present invention is used for a tire-reinforcing material, it is possible to obtain high traveling performance by preventing the property deterioration during the high-speed traveling with repetitively-occurring sequence of high temperature and high pressure. | 03-03-2011 |
| 20110045297 | PARA-ARAMID FIBER AND METHOD OF PREPARING THE SAME - An aramid fiber and a method of producing the same is disclosed, which is capable of realizing high surface uniformity and improved tensile strength and elongation property, wherein the method comprises preparing an aromatic polyamide by polymerizing aromatic diamine with aromatic diacid halide; preparing a spinning dope by dissolving the aromatic polyamide in a solvent; and extruding the spinning dope through a spinneret, and sequentially passing the spinning dope through an air gap, a coagulation bath filled with a coagulation solution, and a coagulation tube having a jet opening, connected with the bottom of the coagulation bath, to obtain a filament wherein a distance from the upper surface of the coagulation solution contained in the coagulation bath to the jet opening of the coagulation tube is within a range between 10 and 35 mm. | 02-24-2011 |
| 20110026271 | OPTICAL MEMBER - Disclosed is an optical member for use in liquid crystal displays, which can correct the light path and can minimize the loss of light, so that light in a wider angular range can be collected forwards. Even when a distance between the optical member and a light source is shortened, the optical member can exhibit good hiding performance and prevent deformation caused by heat. Upon expansion and shrinkage, the optical member is not scratched and does not generate noise at a portion in contact with a support pin. | 02-03-2011 |
| 20110026124 | MULTI-FUNCTIONAL OPTIC FILM - Disclosed is a multifunctional optical sheet for use in liquid crystal displays, which can exhibit appropriate hiding performance while realizing luminance equivalent to that of a conventional case in which a prism sheet is layered on a light diffusion member, thus reducing the number of sheets to be mounted in a backlight unit. | 02-03-2011 |
| 20110024016 | UNDRAWN POLYETHYLENE TEREPHTHALATE (PET) FIBER, DRAWN PET FIBER, AND TIRE-CORD COMPRISING THE SAME - The present invention relates to an undrawn PET fiber and a drawn PET fiber those can provide a cap ply cord and the like showing more improved modulus and good dimensional stability, and a tire cord including the same. The undrawn PET fiber may be a fiber of which the crystallinity is 25% or more, the birefringence index is 0.085 to 0.11, the amorphous orientation factor (AOF) is 0.15 or less, and the melting temperature (Tm) is 258° C. or more. | 02-03-2011 |
| 20110024013 | DRAWN POLYETHYLENE TEREPHTHALATE (PET) FIBER, PET TIRE CORD, AND TIRE COMPRISING THEREOF - The present invention relates to a drawn PET fiber that can provide a cap ply cord and the like showing more improved modulus and good dimensional stability, a PET tire cord, and a tire including the same. The drawn PET fiber may be a fiber including 90 mol % or more of PET, of which the crystallinity is 53% or more, the amorphous orientation factor (AOF) is 0.15 or less, and the birefringence index is 0.14 to 0.16, after heat-treating the same at 230° C. for 1 minute under the initial load of 20g/1000d. | 02-03-2011 |
| 20110012331 | SIDE CURTAIN AIRBAG AND AIRBAG SYSTEM COMPRISING THE SAME - The present invention relates to a side curtain airbag and an airbag system comprising the same. The side curtain airbag according to the present invention comprises an inflating part having gas inflatability, a non-inflating part supporting the inflating part, and an adhered part constituting a boundary between the inflating part and the non-inflating part. The adhered part is coated with a seam sealant and sewed. The initial maximum pressure of the inflating part is 40 KPa or more when injecting a gas therein with an instant pressure of at least 10 bar, and the pressure after 6 seconds is 25 KPa or more. | 01-20-2011 |
| 20100331513 | THERMO-SHRINKABLE POLYESTER FILM - Disclosed is a thermo-shrinkable polyester film having superior thermal shrinkage properties. The thermo-shrinkable polyester film has a strength of 3.5˜6.5 kg/mm | 12-30-2010 |
| 20100325851 | METHOD FOR MANUFACTURING BULLETPROOF FABRIC - Disclosed is a method for manufacturing bulletproof fabric, the method comprising weaving fabric; scouring the fabric; applying a pretreatment process to the scoured fabric; and applying a water-repellent process to the pretreated fabric, wherein the pretreatment process comprises adjusting a moisture regain of the scoured fabric. In this method, the fabric is treated with the pretreatment process before the water-repellent process, so that it is possible to maintain the constant concentration of water-repellent composition, and to permeate the water-repellent agent into the fabric with easiness, thereby producing the bulletproof fabric with the uniform and good water-repellent property. Thus, even though the bulletproof fabric is used for a long period of time, it is possible to prevent deterioration of the bulletproof property in the fabric. | 12-30-2010 |
| 20100323179 | ARAMID NONWOVEN FABRIC AND PREPARATION METHOD THEREFOR - The present invention relates to an aramid nonwoven fabric showing more improved tenacity and superior heat-insulating property, and a method of preparing the same. | 12-23-2010 |
| 20100317821 | POLYIMIDE RESIN AND LIQUID CRYSTAL ALIGNMENT LAYER AND POLYIMIDE FILM USING THE SAME - Disclosed is a polyimide resin, which is colorless and transparent and has superior properties, including mechanical properties and heat stability, and thus is usable in various fields, including semiconductor insulating films, TFT-LCD insulating films, transparent electrode films, passivation films, liquid crystal alignment layers, optical communication materials, protective films for solar cells, and flexible display substrates. Also, a liquid crystal alignment layer and a polyimide film using the polyimide resin are provided. | 12-16-2010 |
| 20100305298 | CONDUCTIVE MATERIAL AND MANUFACTURING METHOD THEREOF - Disclosed is a method of manufacturing a conductive coating film having superior chemical resistance or solvent resistance and durability by chemically bonding a resin having an amine group (—NH | 12-02-2010 |
| 20100279131 | POLYIMIDE FILM WITH IMPROVED THERMAL STABILITY - Disclosed is a polyimide film having superior thermal stability, in which the degree of change depending on variation in temperature is minimized. | 11-04-2010 |
| 20100261868 | INDUSTRIAL HIGH TENACITY POLYESTER FIBER WITH SUPERIOR CREEP PROPERTIES AND THE MANUFACTURE THEREOF - The present invention relates to an industrial high tenacity polyester fiber with superior creep properties and a method of preparing the same, and more particularly to an industrial polyester fiber having a mono-filament fineness of 5 to 15 dpf, an intrinsic viscosity of 0.8 to 1.25 dl/g, and a creep change rate of 4.7% or less, wherein the creep change rate is measured at 160° C. for 24 hours while giving a load corresponding to a strain of 3% after heat-treating the fiber at 220° C. for 2 minutes while giving a load of 1 g/d, and the load corresponding to the strain of 3% is based on a value obtained from a load-strain curve of the fiber before heat-treatment, and a method of preparing the same. | 10-14-2010 |
| 20100255221 | POLYIMIDE FILM - Disclosed is a polyimide film, which is colorless and transparent, with superior mechanical properties and high thermal stability. | 10-07-2010 |
| 20100253047 | INFLATABLE FABRICS AND AN AIR-BAG - Disclosed is a inflatable double-layered fabric. The fabric includes an inflating part having gas inflatability, a non-inflating part supporting the inflating part, and a co-woven part constituting a boundary between the inflating part and the non-inflating part, wherein the inflating part is composed of two separated fabric layers, and the weave of the co-woven part is set up at a nk+1 pixel from the width or length end of the double-layered fabric (where, k is 2 or 3, and n is 0 or a positive number) when dividing the double-layered fabric into a plurality of pixels, an airbag including the same, and a method of preparing the airbag. | 10-07-2010 |
| 20100244655 | TRANSPARENT ELECTRODE, CONDUCTIVE LAMINATE AND CONDUCTIVE LAYER - Disclosed is a conductive layer including photopolymerizable resin having dispersed carbon nanotubes, which is transparent with high electrical conductivity and facilitates the formation of an electrode pattern. A laminate and a transparent electrode, including the conductive layer, are also provided. | 09-30-2010 |
| 20100196706 | Method of Manufacturing Wholly Aromatic Polyamide Filament and Wholly Aromatic Polyamide Filament Manufactured Thereby - Disclosed are a method of manufacturing wholly aromatic polyamid filaments and wholly aromatic polyamid filaments produced by the same. The process includes control of a timing for introducing wholly aromatic polyamid polymer into an extruder for preparation of a spinning dope based on particle size and/or inherent viscosity (IV) of the polyamid polymer. | 08-05-2010 |
| 20100183845 | ECO-OPTICAL SHEET - Disclosed is an optical sheet, which is environmentally friendly and has a high refractive index and superior light resistance, and is thus useful for an optical sheet assembly of a backlight unit. | 07-22-2010 |
| 20100175803 | DRAWN POLY(ETHYLENETEREPHTHALATE) FIBER, POLY(ETHYLENETEREPHTHALATE) TIRE-CORD, THEIR PREPARATION METHOD AND TIRE COMPRISING THE SAME - The present invention relates to a drawn PET fiber which has good dimensional stability and can be applied to a cap ply cord for a pneumatic tire, a PET tire cord, their preparation methods, and a tire including the same. | 07-15-2010 |
| 20100174060 | LYOCELL FIBER FOR TIRE CORD AND TIRE CORD COMPRISING THE SAME - The present invention relates to a lyocell fiber having superior the crystalline properties, which are measured by wet-treated and dry-treated condition under high temperature and high pressure conditions compared to measurement under standard conditions, and to a tire cord comprising the lyocell fiber. According to the present invention, the lyocell fiber has strength, elongation, and modulus that are superior to those of a conventional rayon, even when the lyocell fiber is wet- and dry-treated under high temperature and high pressure conditions by specifying water-washing conditions of a spinning machine, thereby improving dimensional stability of a tire cord when it is applied to the tire cord. | 07-08-2010 |
| 20100165638 | OPTICAL SHEET - Disclosed is an optical sheet for use in liquid crystal displays, which is not easily damaged by external impact, thus facilitating handling thereof and decreasing defective rates, resulting in reduced production costs and increased production efficiency. Decreases in the luminance of the optical sheet due to damage can be prevented. | 07-01-2010 |
| 20100154957 | DRAWN POLY(ETHYLENETEREPHTHALATE) FIBER, POLY(ETHYLENETEREPHTHALATE) TIRE-CORD, THEIR PREPARATION METHOD AND TIRE COMPRISING THE SAME - The present invention relates to a drawn PET fiber which has good dimensional stability, thereby increases the high speed driving performance of a tire, a PET tire cord, their preparation methods, and a tire including the same. The drawn PET fiber may includes 90 mol % or more of PET and may be a fiber of which a creep rate is 5.5% or less when the drawn PET fiber is fixed under the initial load of 0.01 g/d and is kept for 24 hours under the load of 0.791 g/d and the temperature of 100° C. Furthermore, the PET tire cord may be a cord of which a creep rate is 4.0% or less when the PET tire cord is fixed under the initial load of 0.01 g/d and is kept for 24 hours under the load of 0.791 g/d and the temperature of 100° C. | 06-24-2010 |
| 20100154377 | CELLULOSE-BASED FILAMENT FOR TIRE CORD, A BUNDLE COMPRISING THE SAME, A TWISTED YARN COMPRISING THE SAME, AND A TIRE CORD COMPRISING THE SAME - Disclosed are a cellulose-based filament for a tire cord, a bundle including the same, a twisted yarn including the same, and a tire cord including the same. The cellulose-based filament is suitable for use in a tire cord has advantages in that strength deterioration due to twisting is remarkably low and elongation is improved, and thus the fatigue resistance is good. | 06-24-2010 |
| 20100129655 | RIPCORD OF OPTIC CABLES AND METHOD OF MANUFACTURING THE SAME - Disclosed are a ripcord for optic cable and a method of manufacturing the same. The ripcord for optic cable has a coating layer formed by applying a coating solution, which includes a binder and a colorant dispersed in the binder, to a surface of a folded and twisted yarn formed by folding and twisting together wholly aromatic polyamide filaments. | 05-27-2010 |
| 20100092777 | ORGANIC POLYSILOXANE, ADHESIVE COMPOSITION COMPRISING THE SAME, AND RUBBER STIFFENER TREATED THEREBY - The present invention relates to a novel polymer, an adhesive composition including the same, and a rubber reinforcing material treated with the same, and more particularly to an organic polysiloxane including a certain repeating unit, an adhesive composition including the same, and a rubber reinforcing material treated with the same. | 04-15-2010 |
| 20100085735 | OPTICAL SHEETS - Disclosed is an optical sheet for use in liquid crystal displays, which simultaneously functions to uniformly diffuse light emitted from a light guide plate and a diffusion plate and to increase brightness, decreases the loss of light, and enables the fabrication of thinner liquid crystal displays. | 04-08-2010 |
| 20100078374 | ALIGNMENT APPARATUS FOR EXTERNAL PRESSURE TYPE MODULE AND FILTERING SYSTEM COMPRISING THE SAME - An alignment apparatus for external pressure type module and a filtering system comprising the same is disclosed, which is capable of supporting the external pressure type module while being connected to a pipe and the filtering system, wherein the alignment apparatus comprises a supporting member having a central through-hole into which the external pressure type module is to be inserted; and the filtering system comprises an external pressure type module, a pipe connected with the external pressure type module, and an alignment apparatus for supporting the external pressure type module while being connected with the pipe. | 04-01-2010 |
| 20100062254 | Process For Preparing Polyurethane Particulate and Polyurethane Particulate Prepared Therefrom - Disclosed is a process for preparing polyurethane particulate and polyurethane particulate prepared therefrom. The polyurethane particulate has properties such that it is easy to control to a spherical form, the polyurethane particulate can be prepared in a desired particle size, the color thereof is stably exhibited, a washing process thereof is easy because almost no foam is generated in the washing process, and the preparation cost can be lowered because the particles do not lump and a separate grinding process is not needed, by using an inorganic suspension stabilizer in the manufacture process of the polyurethane particulate. | 03-11-2010 |
| 20100055409 | OPTICAL COMPOSITE AND METHOD OF MANUFACTURING THE SAME - Disclosed is an optical composite for use in a backlight unit of a liquid crystal display or an illumination apparatus, which is able to sufficiently increase luminance and in which adhesion portions are regularly arranged to thus induce an optical illusion effect so that scratches or stains cannot be seen clearly. A method of manufacturing such an optical composite is also provided. There is no need to additionally use optical films or prism sheets, thus making it possible to inexpensively manufacture optical devices, such as backlight units. | 03-04-2010 |
| 20100051423 | SEAMLESS BELT - Disclosed is a large seamless belt which is prevented from being curled in a width direction of the belt. | 03-04-2010 |
| 20100038301 | SUBMERGED TYPE HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR MANUFACTURING THE SAME - A submerged-type hollow fiber membrane module and a method for manufacturing the same are disclosed, which is capable of realizing a great sealing strength between a module case and a bundle of hollow fiber membranes without an additional centrifugal molding apparatus. The method includes forming a bundle of hollow fiber membranes held together and fixed by a first potting material, wherein one end of each of the hollow fiber membranes is open; putting the bundle of hollow fiber membranes in a module case and fixing the bundle of hollow fiber membranes in the module case by forming a second potting material on the first potting material. | 02-18-2010 |
| 20100024631 | TUBULAR BRAID AND COMPOSITE HOLLOW FIBER MEMBRANE USING THE SAME - A tubular braid and a composite hollow fiber membrane using the same are disclosed. The tubular braid is made by braiding yarns, the yarn made by combining thin filament and thick filament, wherein the thin filament is comprised of a plurality of monofilament having a fineness of 0.01 to 0.4 denier, and the thick filament is comprised of at least one monofilament having a fineness of 3 to 50 denier. Also, the composite hollow fiber membrane using the tubular braid of the present invention can realize excellent water permeability, high mechanical strength, good filtration reliability, great peeling strength, low dope permeation, and high stiffness. | 02-04-2010 |
| 20100015872 | METHOD OF PREPARING FLAME-RETARDANT POLYESTER FIBER AND FLAME-RETARDANT POLYESTER FIBER - The present invention provides a method of preparing a flame retardant polyester fiber that makes it possible to prepare a flame retardant polyester fiber having excellent shape stability while preventing a lumping phenomenon and reducing powder generation and discoloration during the preparing process of the flame retardant polyester fiber, and a flame retardant polyester fiber prepared therefrom. | 01-21-2010 |
| 20090321344 | HEADER FOR FILTERING MEMBRANE MODULE AND FILTERING MEMBRANE MODULE USING THE SAME - A header for filtering membrane module and a filtering membrane module using the same is disclosed, which is capable of maximizing efficiency in power consumption by securing a constant flow of permeate through the use of a relatively-low negative pressure, the header for filtering membrane module comprising a body with a permeate collecting space therein; and a conduit at one end of the body, the conduit being in fluid communication with the permeate collecting space, wherein at least a portion of the permeate collecting space has an inclined shape. | 12-31-2009 |
| 20090316269 | OPTICAL SHEETS - Disclosed is an optical film having an optical structure, such as a prism film or sheet, which is a constituent of a backlight unit. The optical film includes an optical structure layer having a plurality of optical structures, the surface of which is formed with irregularities, and the irregularities are formed on the surface of the light-collecting optical structure to satisfy predetermined conditions, thus effectively realizing a light-diffusing function, thereby eliminating the need to additionally mount a diffusion film or a protection film. When a particle dispersion layer is further formed on the surface of a transparent substrate opposite the surface having the optical structure layer, damage due to friction to prism films or other sheets may be prevented during the layering of the prism films or transport, thus obviating the use of a plurality of optical films. | 12-24-2009 |
| 20090311486 | OPTICAL SHEETS - Disclosed is an optical sheet having an optical structure, such as a prism film or sheet, which is a constituent of a backlight unit. In the optical sheet, protrusions are formed on the optical structure layer, and thus light-collecting efficiency in a front direction is maintained, and a function of diffusing light to the front or the inclined surface is also exhibited, thus eliminating the need to additionally mount a diffusion film or a protection film, thereby obviating the use of a plurality of optical films, consequently making it possible to economically manufacture a backlight unit with improved productivity. | 12-17-2009 |
| 20090274900 | Composition For Positive Type Photoresist and Positive Type Photoresist Film Manufactured Thereby - Disclosed are a composition for positive type photoresist and a positive type photoresist film manufactured thereby. The composition comprises an alkali soluble resin, a photosensitive compound, a thermo-curable cross linking agent, a sensitivity enhancer and a solvent. The photoresist film has a supporting film and a photoresist layer formed on the supporting film, wherein the photoresist layer comprises the alkali soluble resin, the photosensitive compound, the thermo-curable cross linking agent and the sensitivity enhancer. | 11-05-2009 |
| 20090153863 | Method of evaluating sensitivity grade of interior material used in vehicles - A method of evaluating the sensitivity grade of an interior material used in vehicles comprises: evaluating sensitivity properties of an interior material before providing noise factors; evaluating sensitivity properties of the interior material after providing noise factors; averaging each of the sensitivity properties evaluated before the provision of noise factors and after the provision of noise factors to obtain the average value (safety factor) of each of the sensitivity properties; comparing the average value of each of the sensitivity properties with a preset target value of each of the sensitivity properties to compute a target value achievement level of each of the sensitivity properties; and determining the sensitivity grade of the interior material based on the sensitivity property with the lowest target value achievement level. By providing an objective standard to evaluate sensitivity properties of an interior material used in vehicles, the present method(s) eliminates the difficulty in communication between customers and manufactures and quality control regarding the sensitivity grade of interior materials used in vehicles. | 06-18-2009 |
| 20090152493 | Method For Preparing Cellulose-Based Film and Cellulose-Based Film - Disclosed herein is a method for preparing a cellulose-based film from raw material pulp, the method including the steps of: preparing a dope from a composition comprising 5-15 wt % of a pulp having an alpha-cellulose content of more than 90% and 85-95 wt % of an aqueous N-methylmorpholine-N-oxide solution; extruding the dope from a die onto a running support; casting the extrudate to form a sheet-shaped material; washing the cast sheet with water to remove N-methylmorpholine-N-oxide therefrom; and drying the washed sheet. The method enables the cellulose-based film to be prepared from environmentally friendly wood pulp through an environmentally friendly process. | 06-18-2009 |
| 20090078453 | Polyimide Film - The present invention relates to polyimide film for insulating material etc. prepared by reacting a mixture of 4,4-oxydiphthalic anhydride and at least one monomer of aromatic or aliphatic tetracarboxylic dianhydride with a mixture of p-phenylenediamine and at least one monomer of flexible diamines, and having excellent electric properties such as a coefficient of thermal expansion, an elongation, a intensity, a dielectric strength and a bulk resistance etc, a TAB tape applying the polyimide film, and flexible printed wiring board. | 03-26-2009 |
| 20090069532 | Polyimide Film - Disclosed herein is a polyimide film having an elongation from 50 to 150%, a tensile elastic modulus from 4 to 8 GPa, a tensile strength from 150 to 500 MPa, and a hygroscopicity of 5% or less. The polyimide film has high elastic modulus and tensile strength and an excellent elongation, and thus the polyimide film exhibits excellent material properties when it is used as a base film for TAB and COF, and its properties can be usefully modified using an additive to improve productivity and processibility thereof. | 03-12-2009 |
| 20090054576 | Intermediate Transfer Belt and Manufacturing Method Thereof - Disclosed are an intermediate transfer belt for use in a laser printer, a fax machine and a copier, and a production method thereof. Specifically, an intermediate transfer belt including silicone modified polyimide resin and a production method thereof are provided, thereby realizing a monolayer intermediate transfer belt having excellent electrical properties, water repellency and heat dissipation properties and good mechanical strength. Further, even without the additional use of an adhesive layer for adhesion to a fluorine resin layer and fluorine resin, the intermediate transfer belt can exhibit satisfactory properties, and process efficiency can be maximized. | 02-26-2009 |
| 20090039012 | Hollow Fiber Membrane and Method for Manufacturing The Same - The present invention relates to a through-one-end water collection type hollow fiber membrane and a method for manufacturing the same. According to the present invention, an internal sealing part is formed in the hollow part of the membrane at its free end. The internal sealing part supports an external sealing part surrounding the external surface of the free end such that the durability of the whole sealing part might be improved. | 02-12-2009 |
| 20080305290 | A Braid-Reinforced Composite Hollow Fiber Membrane - A braid-reinforced composite hollow fiber membrane is disclosed. The braid-reinforced composite hollow fiber membrane comprising a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the tubular braid is characterized in that: the tubular braid comprises multifilaments made of monofilaments having a fineness of 0.01 to 0.4 denier, and the peeling strength of the tubular braid and a polymer resinous thin film coated on the surface thereof is 1 to 10 MPa. In the composite hollow fiber membrane, the fineness of the mono filaments constituting the tubular braid of the reinforcing material is small, that is, 0.01 to 0.4 denier, thus the surface area of the tubular braid contacted with the polymer resinous thin film is increased. Thus, the peeling strength of the tubular braid and the polymer resinous thin film coated on the surface thereof is excellent, and at the same time, the initial wetting property of the composite hollow fiber membrane is excellent, that is, 80 to 120%, due to a capillary tube phenomenon or the like. | 12-11-2008 |
| 20080292823 | A Braided-Reinforced Composite Hollow Fiber Membrane - A braid-reinforced composite hollow fiber membrane is disclosed. The braid-reinforced composite hollow fiber membrane comprising a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the tubular braid according to the present invention is characterized in that: the tubular braid comprises multifilaments made of monofilaments having a crimp rate of 2 to 40%, and the peeling strength of the tubular braid and a polymer resinous thin film coated on the surface thereof is 1 to 10 MPa. In the composite hollow fiber membrane, the crimp rate of the monofilaments constituting the tubular braid of the reinforcing material is 2 to 40%, thus the surface area of the tubular braid contacted with the polymer resinous thin film is increased. Thus, the peeling strength of the tubular braid and the polymer resinous thin film coated on the surface thereof is excellent. | 11-27-2008 |
| 20080249213 | Thermoplastic Polyetherester Elastomer Composition Having Excellent Flex Elasticity and Cover For Air-Bag Device Thereby - Disclosed is a polyetherester thermoplastic elastomer resin composition with excellent Hex-elasticity and durability, which comprises 10 to 70% by weight of low hardness polyetherester block copolymer having shore-hardness not more than 40D, 55 to 15% by weight of high hardness polyetherester block copolymer having shore-hardness not less than 50D and 35 to 15% by weight of polybutylene terephthalate, and having flex-elasticity in the range of 2,500 to 4,600 kgf/cm2. The polyetherester thermoplastic elastomer resin composition of the present invention has excellent durability, processing workability, formability and scratch-resistance, as well as satisfactory flexibility and mechanical properties, especially, flex-elasticity. Additionally, the polyetherester thermoplastic elastomer resin composition of the present invention has advantages such as excellent deploying property and horn workability when it is employed in production of covers for air bags of automobiles. | 10-09-2008 |
| 20080199619 | Method Of Manufacturing For Aromatic Polyamide Composite Membrane - The present invention provides a method of manufacturing an aromatic polyamide composite membrane comprising: coating an aqueous solution containing polyfunctional aromatic amine to a porous polymer substrate; and reacting the coated substrate with an organic solution containing polyfunctional aromatic acyl halide to lead to interfacial condensation polymerization between the polyfunctional aromatic amine and the polyfunctional aromatic acyl halide so that the reaction product resulting from the interfacial condensation polymerization is coated on the surface of the substrate, characterized in that either of the aqueous solution containing polyfunctional aromatic amine or the organic solution containing polyfunctional aromatic acyl halide has dendritic polymer as one of polyfunctional compounds added thereto. The resulting aromatic polyamide composite membrane which includes dendrimer as polyfunctional compound, exhibits high salt rejection rate and water flux. | 08-21-2008 |
| 20080197071 | Nano Composite Hollow Fiber Membrane and Method of Manufacturing the Same - Disclosed are a nanofiltration composite hollow fiber membrane and a method of manufacturing the same. The nanofiltration composite hollow fiber membrane includes a reinforcement ( | 08-21-2008 |
