| SKC CO., LTD Patent applications |
| Patent application number | Title | Published |
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| 20120082785 | BIAXIALLY ORIENTED POLYESTER FILM AND PREPARATION METHOD THEREOF - A back sheet for a solar cell, consisting of a polyester comprising at least one repeating unit of trimethylene naphthalate and trimethylene terephthalate in an amount of 85% by weight or more, has improved hydrolysis-resistance and is useful in the field requiring weatherability. | 04-05-2012 |
| 20120034453 | LAYER AND STRUCTURE USING COMPOSITION OF CONDUCTIVE POLYMERS - Provided are a polymer layer using a conductive polymer solution composition and a film or sheet structure using the polymer layer. On a film or sheet substrate, an organic polymer layer of polyurethane, acryl, polyester or melamine with superior flexibility and durability is formed, and then a polythiophene-based conductive polymer layer including an aqueous solution of a polythiophene-based conductive polymer, an alcohol organic solvent, an amide organic solvent or an aprotic highly dipolar solvent and a binder selected from melamine resin, polyester, polyurethane, polyacryl resin and alkoxysilane is formed thereon. The resulting layer has high conductivity and high transparency as well as strong moisture resistance and durability. Since surface transparency and conductivity are sustained even under hot and humid environment, it is usefully applicable as upper and lower electrode film of a touch panel, electrode film of an inorganic electroluminescent (EL) device of a mobile phone, transparent electrode film of a display device or electromagnetic interference (EMI) shielding layer of a TV or a PC monitor | 02-09-2012 |
| 20110237759 | HEAT-SHRINKABLE POLYESTER FILM AND PREPARATION METHOD THEREOF - A heat-shrinkable polyester film having a thermal shrinkage ratio of 15% or more in the longitudinal direction when treated at 100° C. for 10 seconds, a tensile strength at rupture in the longitudinal direction of 7 kgf/mm | 09-29-2011 |
| 20110224369 | HEAT-SHRINKABLE POLYESTER FILM - A heat-shrinkable polyester film having a heat-shrinkage change per degree Celsius (%/° C.) along the main shrinkage direction of 1.5 to 3.0 in the range of 60° C. to 70° C., 2.5 to 3.5 in the range of 70° C. to 80° C., 1.0 to 2.0 in the range of 80° C. to 90° C., and 0.1 to 1.0 in the range of 90° C. to 100° C., has a good appearance quality after shrinkage and thus suitable for a wrapping material, particularly a label for a bottle. | 09-15-2011 |
| 20110203642 | ENVELOPE MATERIAL SHEET FOR SOLAR CELL MODULE AND SOLAR CELL MODULE INCLUDING SAME - An encapsulant sheet for solar cell modules comprising a transparent soft resin film having a plurality of hemispherical concave parts of varying sizes formed on one or both surfaces of the transparent soft resin film, can disperse pressure generated in the process of combining the encapsulant sheet and a solar battery cell to prevent damage to the solar battery cell and suppress bubble generation by allowing air to escape easily. | 08-25-2011 |
| 20110195255 | POLYTHIOPHENE-BASED CONDUCTIVE POLYMER MEMBRANE - The present invention relates to a polythiophene-based conductive polymer membrane, which has a conductivity of 1 KΩ/m | 08-11-2011 |
| 20110192459 | MULTILAYERED WEATHERABLE FILM FOR SOLAR CELL - Disclosed is a multilayered weatherable film for a solar cell, which has superior elongation change rate, strength change rate and haze and thus is suitable for use in a solar cell, and includes a hard layer having a polyester or copolyester polymer resin and a soft layer having polybutylene terephthalate containing polytetramethylene ether glycol, which are regularly or irregularly laminated in a multilayer form. | 08-11-2011 |
| 20110077419 | DOUBLE METAL CYANIDE CATALYST HAVING A CONTROLLED REACTIVITY FOR PREPARING A POLYOL AND PREPARATION THEREOF - A double metal cyanide catalyst of the present invention having a controlled reactivity for preparing a polyol, which contains an ether ligand having a molecular weight of less than 200 and a glycol ligand having a molecular weight of less than 200 can be used in the preparation of a polyol having a unsaturation degree suitable for direct use for producing a polyurethane having suitable properties. | 03-31-2011 |
| 20110065893 | HEAT-SHRINKABLE POLYESTER FILM - The present invention relates to a heat-shrinkable polyester film, which has a heat-shrinkage of 20% or more in both the longitudinal and transverse directions when treated with 80° C. water for 30 seconds and a bidirectional balance parameter in the range of 0.25 to 2.5 and exhibits an excellent properties in die-cutting and removing from a container such as a glass bottle for recycling by washing with hot water. | 03-17-2011 |
| 20110046254 | WHITE POROUS POLYESTER FILM AND PREPARATION METHOD THEREOF - A white porous polyester film of the present invention comprising a polyester-based monopolymer/copolymer blend, a crystalline polymer resin which is not miscible with a polyester and has a heat deformation temperature of 90° C. or higher, inorganic particles, a whitening agent, and a stabilizing agent has improved optical properties, and thus is useful as a film for use in printing, labeling, electronics, and display applications. | 02-24-2011 |
| 20100304127 | Multi-layer Polymer Film For Printing and Copying - A multi-layer polymer film for printing and copying of the present invention comprising a two-layer polymer base film composed of layer A and layer B laminated on one side of the layer A, the layer B containing a filler in an amount of 50 to 3000 ppm and the layer A containing no filler or a filler in an amount of at least 1000 ppm and less than the B layer; an image receiving layer coated on the exposed surface of the layer A; and an antistatic layer coated on the exposed surface of the layer B, wherein the layer A having the image receiving coating layer and the layer B having the antistatic coating layer have average degrees of surface roughness (Ra) ranging from 10 to 60 nm and 50 to 150 nm, respectively, exhibits improved properties in terms of runnability, printing, optical (haze), antistatic, friction coefficient and anti-blocking properties, which can be advantageously used as an OHP film. | 12-02-2010 |
| 20100233498 | Multilayered Aliphatic Polyester Film - A multilayered aliphatic polyester film including a first resin layer and a second resin layer laminated on one or both sides of the first resin layer, each of the resin layers including a polylactic acid-based polymer in an amount of 50% by weight or more, exhibits improved mechanical property, dimensional stability, transparency, flexibility, and heat adhesiveness, which is useful for environmentally friendly packaging. | 09-16-2010 |
| 20100055428 | MULTILAYERED ALIPHATIC POLYESTER FILM - A multilayered aliphatic polyester film of the present invention comprising a first resin layer and a second resin layer laminated on one or both sides of the first resin layer, the first resin layer containing a polylactic-based polymer comprising L-lactic acid in an amount ranging from 50 to 100% by weight, and the second resin layer containing a polylactic-based polymer comprising D-lactic acid in an amount ranging from 5 to 20% by weight, can be easily peeled off by pulling with hands, and has improved heat adhesiveness, heat resistance, transparency, impact resistance, perforation resistance and dimensional stability. Accordingly, it is useful for packaging materials, especially as a disposable film lid for plastic containers. | 03-04-2010 |
| 20090240024 | BIAXIALLY ORIENTED POLYESTER FILM AND PREPARATION THEREOF - A biaxially oriented polyester film of the present invention which comprises a polyester resin prepared by polymerizing a glycol component mainly comprising 1,3-propanediol and an acid component mainly comprising terephthalic acid or dimethyl terephthalate, said polyester film having an unit impact absorption energy of 1.0 or more, can be advantageously used for packaging. | 09-24-2009 |
| 20090042015 | WHITE, POROUS, SINGLE-LAYER POLYESTER FILM AND METHOD FOR PREPARING SAME - The present invention relates to a white, porous, single-layer polyester film comprising a polyester resin, particles of a noncrystalline polymer which has a heat deformation temperature higher than the temperature of the drawing process of said film by at least 10° C. and is not miscible with the polyester resin, inorganic particles and a whitening agent. The inventive single layer film has sufficient process stability as well as good optical properties, and thus is useful as a film for use in printing, labeling, electronics and display applications. | 02-12-2009 |
