Patent application number | Description | Published |
20090286943 | Process For Preparation Of Olefin Polymers - The present invention relates to a preparation method of olefin polymers using a catalyst composition containing a transition metal compound. In detail, the present invention provides a preparation method of olefin polymer using a catalyst composition comprising a transition metal compound, wherein the preparation method comprises introducing a scavenger to a continuous solution polymerization reactor in a specific range of amount to give the olefin polymer with good productivity. | 11-19-2009 |
20090326131 | Polypropylene-Based Resin Composition And Automobile Parts Using The Same - The present invention provides a polypropylene-based resin composition, which comprises of a) a polypropylene; b) an ethylene 1-octene copolymer in which r | 12-31-2009 |
20100087609 | ETHYLENE ALPHA-OLEFIN COPOYMER - The present invention relates to an ethylene α-olefin copolymer having a narrower molecular weight distribution, and a uniform distribution of comonomer. The ethylene α-olefin copolymer according to the present invention has a uniform comonomer distribution and exhibits a lower density in the same comonomer content, unlike conventional ethylene copolymers having a random or blocky comonomer distribution. | 04-08-2010 |
20100179291 | LONG CHAIN-BRANCHED ETHYLENE-ALPHA OLEFIN COPOLYMER - The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced. | 07-15-2010 |
20130317186 | LONG CHAIN-BRANCHED ETHYLENE-ALPHA OLEFIN COPOLYMER - The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced. | 11-28-2013 |
20130317187 | LONG CHAIN-BRANCHED ETHYLENE-ALPHA OLEFIN COPOLYMER - The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced. | 11-28-2013 |
20140066562 | POLYPROPYLENE-BASED RESIN COMPOSITION AND AUTOMOBILE PARTS USING THE SAME - The present invention provides a polypropylene-based resin composition, which comprises of a) a polypropylene; b) an ethylene 1-octene copolymer in which r | 03-06-2014 |
Patent application number | Description | Published |
20090134781 | Diamine Derivatives, Preparation Method Thereof and Organic Electronic Device Using the Same - The present invention relates to a novel diamine derivative, a method for preparation thereof, and an organic electronic device using the same. The diamine derivative according to the present invention can serve as a hole injecting, hole transporting, electron injecting, electron transporting, or light emitting material in an organic electronic device including an organic light emitting device. Particularly, it can be used as a light emitting material as used alone, and also serve as a light emitting host, or a light emitting dopant, in particular, a blue light emitting dopant. The organic electronic device according to the present invention exhibits excellent characteristics in terms of efficiency, drive voltage, life time, and stability. | 05-28-2009 |
20100001262 | Anthracene Derivatives, Organic Electronic Devices Using Anthracene Derivatives, and Electronic Apparatuses Comprising Organic Electronic Device - Disclosed in an anthracene derivative, an organic electronic device using the anthracene derivative, and an electronic apparatus including the organic electronic device. The anthracene derivative is capable of being used as a hole injecting material, a hole transporting material, an electron injecting material, an electron transporting material, and a light emitting material in an organic electronic device including an organic light emitting device. In particular, the anthracene derivative is capable of being used alone as a light emitting material and a host or a dopant in a host/dopant system. The organic electronic device is excellent in views of efficiency, driving voltage, life time, and stability. | 01-07-2010 |
20100187504 | DIAMINE DERIVATIVES AND ORGANIC ELECTRONIC DEVICE USING THE SAME - The present invention relates to a new diamine derivative, and an organic electronic device using the same. The diamine derivative according to the present invention can serve as a hole injecting, hole transporting, electron injecting, electron transporting, or light emitting material in an organic electronic device including an organic light emitting device. Particularly, it can serve as a light emitting dopant as used alone, in particular, a blue light emitting dopant. The organic electronic device according to the present invention exhibits excellent characteristics in terms of efficiency, drive voltage, life time, and stability. | 07-29-2010 |
Patent application number | Description | Published |
20100093959 | SUPPORTED CATALYST FOR OLEFIN POLLYMERIZATION USING TRANSITION METAL COMPOUND HAVING THENYLENE-BRIDGE, METHOD FOR PREPARING THE SAME, AND METHOD FOR PREPARING POLYOLEFINGUSINGTHED SAME - The present invention provides a new supported catalyst for olefin polymerization prepared by reacting a novel transition metal compound on a cocatalyst-supported support, in which the transition metal compound is coordinated with a monocyclopentadienyl ligand to which an amido-quinoline group is introduced, a method for preparing the same, and a method for preparing a polyolefin using the same. The transition metal catalyst compound used in the present invention is configured such that an amido group is linked in a cyclic form via a phenylene bridge. Thus, a pentagon ring structure of the transition metal compound is stably maintained, so that monomers easily approach the transition metal compound and the reactivity is also high. Accordingly, if the supported catalyst for olefin polymerization prepared according to the present invention is applied to the copolymerization of ethylene and monomers having large steric hindrance in a slurry or a gas phase process, a linear, a linear, high molecular weight polyolefin having a very low density of 0.900 to 0.970 g/cc or less can be obtained. | 04-15-2010 |
20100121006 | POLYOLEFIN AND PREPARATION METHOD THEREOF - The present invention relates to a polyolefin that has high environmental stress cracking resistance (ESCR), a high impact property, and an excellent die swell property, and a method of preparing the same. According to the method of preparing polyolefin of the present invention, a supported hybrid metallocene catalyst and an alpha olefin comonomer having 4 or more carbon atoms are used to obtain polyolefin having the bimodal or multimodal molecular weight distribution curves during the single reactor polymerization. The polyolefin has excellent processability, a melt flow rate ratio (MFRR) that is useful to processing, excellent shapability, impact strength, tensile strength, in particular, environmental stress cracking resistance (ESCR) and full notch creep test (FNCT), thus being used to manufacture the blow molded product. | 05-13-2010 |
20100324321 | AMINE BRIDGED METALLOCENE CATALYST, METHOD FOR PREPARING THEREOF AND METHOD FOR POLYMERIZING ETHYLENE-ALPHA OLEFIN COPOLYMER USING AMINE BRIDGED METALLOCENE CATALYST - The present invention relates to an amine bridged metallocene catalyst, a method for producing the same, and a method for producing an ethylene-alpha olefin copolymer, which comprises polymerizing ethylene and alpha olefin in the presence of an olefin polymerization catalyst composition including a metallocene catalyst. The amine bridged metallocene catalyst may be produced by reacting one or more of substituted or unsubstituted cyclopentadiene and substituted or unsubstituted fluorene with amine to bridge them with nitrogen, and reacting them with a transition metal to coordinate them. | 12-23-2010 |
20120172548 | POLYOLEFIN AND PREPARATION METHOD THEREOF - A polyolefin has 1) a density in the range of 0.93 to 0.97 g/cm | 07-05-2012 |
Patent application number | Description | Published |
20100296032 | OPTICAL FILM, PREPARATION METHOD OF THE SAME, AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved. | 11-25-2010 |
20110037026 | POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, HOMEOTROPIC ALIGNMENT LIQUID CRYSTAL FILM MADE FROM THE COMPOSITION AND METHOD FOR PREPARING THE SAME - The present invention relates to a polymerizable liquid crystal composition that includes a polymerizable reactive homeotropic alignment liquid crystal mixture solution and a primary or secondary amino compound, a homeotropic alignment liquid crystal film using the same, and a method for manufacturing the same. According to the present invention, regardless of the alignment film, a stable homeotropic alignment liquid crystal film may be manufactured. | 02-17-2011 |
20110043731 | COMPOSITION FOR LIQUID CRYSTAL ALIGNMENT LAYER, PREPARATION METHOD OF LIQUID CRYSTAL ALIGNMENT LAYER USING THE SAME, AND OPTICAL FILM COMPRISING THE LIQUID CRYSTAL ALIGNMENT LAYER - The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved. | 02-24-2011 |
20110051050 | OPTICAL FILM, PREPARATION METHOD OF THE SAME, AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved. | 03-03-2011 |
Patent application number | Description | Published |
20090101393 | Metallic Laminate and Method for Preparing the Same - The present invention provides a metallic laminate and a method for preparing the same. The metallic laminate includes a metal layer, and at least one polyimide resin layer The polyimide resin layer has a modulus of elasticity of 70 Mpa at 400° C. | 04-23-2009 |
20090139753 | Copper Clad Laminate for Chip on Film - The present invention relates to a copper clad laminate for chip on film, specifically to a copper clad laminate for a chip on film comprising a copper clad and at least one polyimide layer laminated on the copper clad, wherein the polyimide layer in contact with the copper clad comprises at least one additive selected from the group consisting of an azole-based compound, a polysiloxane-based compound, and a polyphosphate-based compound. The copper clad laminate for a chip on a film according to the present invention, upon tin plating the copper clad at high temperature, prevents delamination between the copper clad and the polyimide layer, and has excellent adhesiveness under the temperature and pressure on IC chip bonding. | 06-04-2009 |
20120243186 | METALLIC LAMINATE AND METHOD FOR PREPARING THE SAME - The present invention provides a metallic laminate and a method for preparing the same. The metallic laminate includes a metal layer, and at least one polymide resin layer. The polymide resin layer has a modulus of elasticity of 70 Mpa at 400° C. | 09-27-2012 |
Patent application number | Description | Published |
20090166613 | Composition for Forming Gate Insulating Layer of Organic Thin-Film Transistor and Organic Thin Film Transistor Using the Same - The present invention relates to a composition for forming a gate insulating layer of an organic thin film transistor comprising polyarylate, and an organic thin film transistor comprising a gate insulating layer, which is formed using the composition, in contact with an organic semiconductor channel. | 07-02-2009 |
20100060827 | OPTICAL FILMS, RETARDATION FILMS, AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to an optical film that comprises a block copolymer that comprises a vinyl polymer block containing styrene or a derivative thereof, and a poly-dimethylsiloxane block, a retardation film using the same, a method of manufacturing them, and a liquid crystal display comprising the films. | 03-11-2010 |
20100104776 | OPTICAL FILM AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to an optical film comprising a block copolymer which comprises a block containing 50 mol % or more of (meth)acrylate, a production method thereof, and a liquid crystal display comprising the optical film. The optical film according to the present invention has excellent transparency and physical properties, and improved moisture absorption, as compared to a conventional acrylate film. | 04-29-2010 |
20100128206 | OPTICAL FILMS, PHASE DIFFERENCE FILMS, AND LCD COMPRISING THE SAME - The present invention relates to an optical film that includes a graft copolymer that includes two types or more of (meth)acryl based resins that have different glass transition temperatures, a retardation film, a method of producing the same, and a polarizing plate and a liquid crystal display device that include the optical film or the retardation film. | 05-27-2010 |