Abstract: A computer-implemented method can include receiving an indication of a template package to be imported in a sites cloud service and further determining whether there is a potential conflict in connection with the template package to be imported in the sites cloud service. The method can also include issuing a notification concerning the potential conflict in connection with the template package to be imported in the sites cloud service responsive to an indication that there is a potential conflict in connection with the template package to be imported in the sites cloud service.

Abstract: The present invention relates to a method for preparing a hybrid supported metallocene catalyst. More specifically, the present invention relates to a method for preparing a hybrid supported metallocene catalyst by using two or more different types of metallocene compounds. One type of the metallocene compounds shows a high polymerization activity even when it is supported, and thus the catalyst has an excellent activity and can be utilized in the polymerization of olefinic polymers having ultra-high molecular weight. Based on the hybrid supported metallocene catalyst obtained according to the preparation method of the present invention, an olefinic polymer having high molecular weight and the desired physical property can be prepared.

Abstract: The present invention provides a method for preparing a polyolefin having a broad molecular weight distribution. More specifically, the present invention provides a method for preparing a polyolefin having a broad molecular weight distribution and an ultra-high molecular weight in which an organometallic complex containing a specific Ti—Al complex structure is used as a molecular weight controller (i.e., molecular weight enhance) in the polymerization of an olefin monomer, thereby enabling both solution polymerization and slurry polymerization, particularly enabling the molecular weight distribution to be more readily and effectively controlled.

Abstract: The present invention relates to an ethylene/alpha-olefin copolymer. The ethylene/alpha-olefin copolymer according to the present invention has excellent processability and surface characteristics and thus can be usefully applied to various products.

Abstract: The present invention relates to polyolefin powder for preparing fiber, and fiber comprising the same. According to the present invention, provided is polyolefin, which exhibits a high molecular weight range and narrow molecular weight distribution and in which the formation of a gel deteriorating the quality of fiber is reduced. Therefore, by using the polyolefin, the present invention exhibits molecular weight, density and narrow molecular weight distribution, which are equivalent to those of conventional polyolefin, but the number of gels having a large particle diameter is remarkably reduced, and therefore, the present invention can provide fiber having excellent tenacity and tensile strength half-life.

Abstract: The present invention relates to a novel ligand compound, a metallocene compound, and a method for preparing an olefin-based polymer using the same. The metallocene compound according to the present invention and a catalyst composition comprising the same have excellent polymerization activity, and yet, have excellent comonomer insertion capability, and thus, can be used to prepare olefin-based polymer having wide molecular weight distribution and the resulting excellent processability.

Abstract: The present invention relates to a polyolefin pellet for preparing a fiber, and a fiber comprising the same. According to the present invention, provided is a polyolefin, which exhibits a high molecular weight range and a narrow molecular weight distribution and in which the formation of a gel deteriorating the quality of a fiber is reduced. Therefore, by using the polyolefin pellet, the present invention exhibits a molecular weight, a density and a narrow molecular weight distribution, which are equivalent to those of conventional polyolefin, but has high tenacity and an excellent drawing characteristic and can be highly oriented because gel formation is reduced, and therefore, the present invention can be applied to various industrial products due to a high draw ratio and crystallinity during a multifilament operation using the same.

Abstract: The present invention relates to a polyolefin which exhibits a narrow molecular weight distribution, high strength, and a high stretching ratio, and a preparation method therefor. According to the present invention, it is possible to provide polyethylene with high catalyst activity, high molecular weight, and controlled molecular weight distribution by using, in polymerization of an olefin monomer, a hybrid supported metallocene catalyst in which a borate compound is used as a second cocatalyst. In addition, if the polyolefin is processed, it is possible to produce a fiber with excellent mechanical properties and an excellent stretching ratio.

Abstract: The present invention relates to an ethylene/alpha-olefin copolymer having excellent processability. The ethylene/alpha-olefin copolymer according to the present invention has excellent processability and is therefore suitable for producing products by an injection molding method.

Abstract: The present invention relates to an ethylene/1-hexene or ethylene/1-butene copolymer having excellent processibility. The ethylene/1-hexene or ethylene/1-butene copolymer according to the present invention has high molecular weight and wide molecular weight distribution, and thus excellent processibility, and has excellent environmental stress crack resistance, and thus, may be applied for a high inner pressure heating pipe, a mining pipe, or a large-diameter pipe, and the like.

Abstract: The present invention relates to a novel metallocene compound, a catalyst composition including the same, and a method of preparing an olefinic polymer by using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used for producing olefinic polymers, have outstanding polymerizing ability, and can produce olefinic polymers of ultra high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefinic polymer of ultra high molecular weight can be obtained because it shows high polymerization activity even when it is supported on a carrier and maintains high activity even in the presence of hydrogen because of its low hydrogen reactivity.

Abstract: The present invention relates to a novel metallocene compound, a catalyst composition including the same, and a method of preparing an olefinic polymer by using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used for producing olefinic polymers, have outstanding polymerizing ability, and can produce olefinic polymers of ultra high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefinic polymer of ultra high molecular weight can be obtained because it shows high polymerization activity even when it is supported on a carrier and maintains high activity even in the presence of hydrogen because of its low hydrogen reactivity.

Abstract: A semiconductor device includes a substrate including a fin-shaped active region that protrudes from the substrate; a gate insulating film covering a top surface and both side walls of the fin-shaped active region; a gate electrode on the top surface and the both side walls of the fin-shaped active region and covering the gate insulating film; one pair of insulating spacers on both side walls of the gate electrode; and a source region and a drain region on the substrate and respectively located on sides of the gate electrode. The source region and the drain region form a source/drain pair. The one pair of insulating spacers include protrusions that protrude from upper portions of the one pair of insulating spacers toward the gate electrode.

Abstract: The present invention relates to a novel transition metal compound, a catalyst composition comprising the transition metal compound, and a method of preparing polyolefin using the catalyst composition.

Abstract: The present invention relates to a preparation method of a highly active supported metallocene catalyst which can prepare a polyolefin of high bulk density. More specifically, the present invention provides a method of preparing the supported metallocene catalyst in which one or more metallocene catalysts are loaded on the silica carrier of which the inside is penetrated by more cocatalyst than the prior art and the outside is attached with a substantial amount of the cocatalyst. The catalyst according to the present invention can prepare a polyolefin polymer with improved bulk density and efficiency while maintaining its highly active catalytic characteristic.

Abstract: The present invention relates to polyolefin that has high molecular weight, wide molecular weight distribution and high long chain branch content, and thus, has excellent environmental crack resistance and processibility. The polyolefin of the present invention has excellent processibility and stability, and thus, may be preferably used as a food container, a bottle cap, and the like.

Abstract: The present invention relates to a method for preparing polyolefin that can easily and effectively prepare polyolefin having high molecular weight and various molecular weight distributions, which was difficult to prepare using the existing metallocene catalyst, and polyolefin prepared thereby. The method for preparing polyolefin comprises the step of polymerizing olefin monomers, in the presence of a metallocene supported catalyst wherein a metallocene compound having a specific chemical structure is supported in a carrier, and hydrogen gas.

Abstract: The present invention relates to a novel ligand compound, a metallocene compound, and a method for preparing an olefin-based polymer using the same. The metallocene compound according to the present invention and a catalyst composition comprising the same have excellent polymerization activity, and yet, have excellent comonomer insertion capability, and thus, can be used to prepare olefin-based polymer having wide molecular weight distribution and the resulting excellent processability.

Abstract: The present invention relates to a preparation method of a highly active supported metallocene catalyst which can prepare a polyolefin of high bulk density. More specifically, the present invention provides a method of preparing the supported metallocene catalyst in which one or more metallocene catalysts are loaded on the silica carrier of which the inside is penetrated by more cocatalyst than the prior art and the outside is attached with a substantial amount of the cocatalyst. The catalyst according to the present invention can prepare a polyolefin polymer with improved bulk density and efficiency while maintaining its highly active catalytic characteristic.

Abstract: The present invention relates to an ethylene/1-hexene or ethylene/1-butene copolymer having excellent processibility. The ethylene/1-hexene or ethylene/1-butene copolymer according to the present invention has high molecular weight and wide molecular weight distribution, and thus excellent processibility, and has excellent environmental stress crack resistance, and thus, may be applied for a high inner pressure heating pipe, a mining pipe, or a large-diameter pipe, and the like.