Patent application number | Description | Published |
20100009151 | COATING COMPOSITIONS HAVING A SUPERIOR HIGH ADHESIVE STRENGTH ON CYCLOOLEFIN POLYMER FILMS AND CYCLOOLEFIN POLYMER FILMS COMPRISING COATING LAYER MANUFACTURED BY USING THE SAME - The present invention relates to a coating composition of a cycloolefin film that includes 100 parts by weight of an acrylate binder resin, 5 to 50 parts by weight of an olefin resin, 2 to 20 parts by weight of a photoinitiator, and 80 to 400 parts by weight of a solvent. The coating composition of the cycloolefin film may further include 1 to 20 parts by weight of fine particles having an average particle size in the range of 0.5 to 5 μm. The coating composition may be used as a hard coating composition and a dazzling prevention coating composition in respects to the cycloolefin film. | 01-14-2010 |
20100118376 | MULTI-LAYERED PHOTOCHROMIC SHEET AND PHOTOCHROMIC GLASS PREPARED THEREFROM - The present invention relates to a multi-layered photochromic sheet and a photo chromic glass prepared therefrom. In particular, the present invention relates to a multi-layered photochromic sheet having excellent durability by reducing a decomposition rate of photochromic dye, in which two or more photochromic films consisting of an oxygen or moisture shielding barrier layer and photochromic layer are stacked, compared to a conventional mono layered film. Further, the present invention relates to a photochromic glass having excellent durability and appearance, in which the multi-layered photochromic sheet is disposed between two glasses, and to a glass for vehicles or buildings using the same. | 05-13-2010 |
20100155987 | METHOD AND GASKETS FOR CASTING ACRYLIC FILMS - The present invention relates to a method for casting an acryl film, which includes the steps of injecting a material of the acryl film into a space that is formed from a pair of substrates and a gasket positioned between a pair of substrates, and curing the material of the acryl film. The shrinkage ratio of the gasket is not less than 10% after the acryl film is subjected to the curing step, or the shrinkage ratio of the gasket after the acryl film is subjected to the curing step is the same as or larger than the shrinkage ratio of the material of the acryl film. | 06-24-2010 |
20100157407 | PHOTOCHROMIC FILMS AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a photochromic film which is formed by curing a photochromic composition and includes a multifunctional (metha)acrylate-based monomer that has two or more functional groups, and a photochromic dye, a product including the same, and a method for producing the photochromic film. | 06-24-2010 |
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 |
20100130792 | Catalyst Composition Including Phosphite Ligands and Hydroformylation Method Using the Same - The present invention relates to a catalyst composition that includes a bis-phosphite ligand, a poly-phosphite ligand or a mono-phosphite ligand, and a transition metal catalyst, and a hydroformylation reaction using the same. The catalyst composition has the excellent catalytic activity, and the normal/iso (N/I) selectivity of aldehyde generated by the hydroformylation reaction using the same is increased. | 05-27-2010 |
20100185018 | METHOD FOR THE HYDROFORMYLATION OF OLEFINS AND APPARATUS USING THE SAME - The present invention relates to a method for preparing aldehydes by reacting olefins with a synthesis gas including carbon monoxide and hydrogen, and to an apparatus therefore. More particularly, the present invention relates to a method for preparing aldehydes, characterized by spraying and supplying olefins, synthesis gas including carbon monoxide and hydrogen, and a catalyst composition into an oxo reactor through a nozzle, and to an apparatus therefore. According to the present invention, the hydroformylation efficiency can be improved, thereby obtaining desirable aldehydes with a high yield. | 07-22-2010 |
20100324339 | PHOSPHORUS-CONTAINING CATALYST COMPOSITION AND HYDROFORMYLATION PROCESS USING THE SAME - The present invention relates to a catalyst composition that includes a triphenylphosphine ligand, a monodentate phosphine ligand, a monodentate phosphine oxide ligand, and a transition metal catalyst, and a hydroformylation process using the same. In the hydroformylation process using the catalyst composition according to the present invention, the high catalytic activity can be obtained, and the selectivity (N/I selectivity) in respects to normal- or iso-aldehyde can be desirably controlled. | 12-23-2010 |
20110135544 | Apparatus For The Hydroformylation Of Olefins - The present invention relates to a method for preparing aldehydes by reacting olefins with a synthesis gas including carbon monoxide and hydrogen, and to an apparatus therefore. More particularly, the present invention relates to a method for preparing aldehydes, characterized by spraying and supplying olefins, synthesis gas including carbon monoxide and hydrogen, and a catalyst composition into an oxo reactor through a nozzle, and to an apparatus therefore. According to the present invention, the hydroformylation efficiency can be improved, thereby obtaining desirable aldehydes with a high yield. | 06-09-2011 |