SAMSUNG TOTAL PETROCHEMICALS CO., LTD. Patent applications |
Patent application number | Title | Published |
20150303427 | Organic/Inorganic Complex Coating Porous Separator And Secondary Battery Using The Same - There is provided an organic/inorganic complex coating porous separator including a porous substrate, and an organic/inorganic complex coating layer formed in a single layer or multiple layers on a single surface or both surfaces of the porous substrate or at least a part of a pore portion of the porous substrate using a coating solution comprising a binder dispersed or suspended in a certain size and selectively comprising inorganic particles, and a secondary battery including the same. According to the present invention, since the coating solution comprising the binder dispersed in a certain size or less in a solvent is coated/dried on the porous substrate, a organic/inorganic complex coating porous separator having excellent air permeability and adhesive strength and a secondary battery including the organic/inorganic complex coating porous separator are provided. | 10-22-2015 |
20150155449 | LIGHT CONVERSION LIGHT-EMITTING DEVICE WITH ENHANCED LIGHT LUMINESCENCE EFFICIENCY USING ANISOTROPIC METAL NANOPARTICLES - There is provided a light-emitting device with enhanced luminescence efficiency, which simultaneously exhibits excitation enhancement and emission enhancement of a light-emitting material by controlling two or multiple surface plasmon resonance bands of anisotropic metal nanoparticles to be formed in a near ultraviolet light range and a visible light range and optimizing overlapping of a wavelength of a near ultraviolet or blue light source with an absorption wavelength and an emission wavelength of the light-emitting material. There is also provided a light-emitting device with improved color gamut and luminance, which simultaneously exhibit emission enhancement of different types of light-emitting materials by controlling two or multiple surfaces plasmon resonance bands of anisotropic metal nanoparticles to be overlapped with absorption and emission wavelengths of two or more light-emitting materials having different emission wavelengths from one another. | 06-04-2015 |
20150140404 | POROUS SEPARATOR COATED WITH ORGANIC/INORGANIC COMPLEX USING AQUEOUS COATING SOLUTION, METHOD FOR MANUFACTURING SAME, AND ELECTROCHEMICAL DEVICE USING SAME - There is provided a separator used in an electrochemical device and more particularly, to a porous separator in which an organic/inorganic complex coating layer is applied to a porous substrate, a method for preparing the same, and an electrochemical device using the same. | 05-21-2015 |
20140309470 | PREPARATION METHOD OF PLATINUM/TIN/ALUMINA CATALYST FOR DIRECT DEHYDROGENATION OF n-BUTANE AND METHOD FOR PRODUCING C4 OLEFINS USING SAID CATALYST - The provided is a preparation method of a platinum/tin/alumina catalyst which comprises platinum as an active component having high activity to direct dehydrogenation of n-butane, tin capable of preventing platinum particles from being sintered and maintaining a size of the platinum particles to be small, thereby improving dispersibility and increasing an amount at an active site during the dehydrogenation and also capable of suppressing carbon deposition, thereby increasing stability of the catalyst, and as an support for supporting them, an alumina support which is known as being suitable for direct dehydrogenation of n-butane and is capable of maintaining high dispersibility of the platinum with high thermal and mechanical stability, and a method for producing high value-added C4 olefins through direct dehydrogenation of inexpensive n-butane by using the catalyst prepared by the preparation method. | 10-16-2014 |
20140100318 | POLYLACTIC ACID-POLYALKYLENE GLYCOL COPOLYMER WITH FAST CRYSTALLIZATION RATE AND COMPOSITION COMPRISING THE SAME - The provided are a polylactic acid-polyalkylene glycol copolymer and a composition comprising the same which have excellent crystallization rate, wherein the polylactic acid-polyalkylene glycol copolymer is prepared by melt-reacting polylactic acid with polyalkylene glycol of which one end group is substituted with a functional group and has improved eco-friendliness, injection moldability, and excellent heat resistance which makes it to be suitably applied to various molded articles requiring great heat resistance, such as disposables, kitchen utensils and containers, electric-electronic parts and automobile parts. | 04-10-2014 |
20140066565 | POLYPROPYLENE-POLYLACTIC ACID RESIN COMPOSITION - The provided is a polypropylene/polylactic acid resin composition comprising a polypropylene resin, a polylactic acid resin, a reactive compatibilizer, optionally an impact modifier and an inorganic filler, having excellent heat resistance, impact resistance and flexural modulus. | 03-06-2014 |
20140056805 | METHOD FOR PREPARATION OF MESOPOROUS ZEOLITES - The provided is a preparation method of a mesoporous zeolite, particularly a method for preparing mesoporous zeolite through a simple process without using costly materials such as an organic amine template or a surfactant. | 02-27-2014 |
20140005038 | MANUFACTURING METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION | 01-02-2014 |
20130237406 | SOLID CATALYST FOR THE POLYMERIZATION OF PROPYLENE, AND METHOD FOR PREPARING SAME - Provided are a solid catalyst for propylene polymerization and a method for preparing the same, specifically a solid catalyst for propylene polymerization which does not contain any environmentally harmful material and can produce a polypropylene having excellent stereoregularity with a high production yield, and a method for preparing the catalyst. | 09-12-2013 |
20130164597 | LITHIUM ION BATTERY SEPARATOR WITH SHUTDOWN PROPERTY - Provided is a microporous separator for a lithium secondary battery having shutdown properties wherein the separator comprises a propylene random copolymer which has a melt index of 0.5-10 g/10 minutes and comprises one or more species of comonomers in the content of 0.1-8 wt %. | 06-27-2013 |
20130090509 | Single-Step Precipitation Method of Producing Magnesia-zirconia Complex Carrier for Catalyst for Oxidative Dehydrogenation of n-Butane, Magnesium Orthovanadate Catalyst Supported on Magnesia-zirconia Complex Carrier, and Method of Producing n-Butene and 1,3-Butadiene Using Said Catalyst - The present invention discloses a method of producing a magnesia-zirconia complex carrier for a catalyst for oxidative dehydrogenation of n-butane through a single-step precipitation process wherein the oxidative dehydrogenation of n-butane is to produce n-butene and 1,3-butadiene from n-butane; a method of producing a magnesium orthovanadate catalyst supported by thus prepared magnesia-zirconia complex carrier; and a method of producing n-butene and 1,3-butadiene using said catalyst. | 04-11-2013 |
20130017946 | PREPARATION METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND CATALYST PREPARED THEREBYAANM Kim; Sang YullAACI Seosan-siAACO KRAAGP Kim; Sang Yull Seosan-si KRAANM Lee; Jin WooAACI Seosan-siAACO KRAAGP Lee; Jin Woo Seosan-si KRAANM Kim; Eun IlAACI DaejeonAACO KRAAGP Kim; Eun Il Daejeon KRAANM Park; Joon RyeoAACI SeoulAACO KRAAGP Park; Joon Ryeo Seoul KR - Disclosed are a method for preparing a solid catalyst for propylene polymerization and a catalyst prepared thereby. Specifically, disclosed are a method for preparing a solid catalyst for propylene polymerization which can prepare polypropylene having excellent stereoregularity with a high production yield by using silane compounds and bicycloalkanedicarboxylate or bicycloalkenedicarboxylate as an internal electron donor, and a catalyst prepared thereby method for preparing polypropylene using the same. | 01-17-2013 |
20120277389 | SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND A METHOD FOR PREPARATION OF POLYPROPYLENE USING THE SAME - Provided are a solid catalyst for propylene polymerization which includes titanium, magnesium, halogen and an internal electron donor mixture of two or more compounds wherein the internal electron donor mixture includes at least one selected from the bicycloalkanes or bicycloalkenes and at least one selected from diethers and succinates, and a method for preparing propylene using the same. As disclosed, it is possible to prepare polypropylene having an excellent stereoregularity with a high production yield. | 11-01-2012 |
20120264593 | MANUFACTURING METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION - Disclosed is a method for preparing a solid catalyst for propylene polymerization, specifically to a method for preparing a solid catalyst for propylene polymerization which can produce a polypropylene having high melt flow rate, a wide molecular distribution and excellent stereoregularity with a high production yield. | 10-18-2012 |
20120232320 | METHOD OF PRODUCING CARRIER FOR CATALYST FOR OXIDATIVE DEHYDROGENATION OF N-BUTANE, METHOD OF PRODUCING CARRIER-SUPPORTED MAGNESIUM ORTHOVANADATE CATALYST, AND METHOD OF PRODUCING N-BUTENE AND 1,3-BUTADIENE USING SAID CATALYST - A method of producing a carrier used for a catalyst for oxidative dehydrogenation of n-butane; a method of producing a magnesium orthovanadate catalyst supported by the carrier; and a method of producing n-butene and 1,3-butadiene using the catalyst are described. | 09-13-2012 |
20120172551 | SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND A METHOD FOR PREPARATION OF POLYPROPYLENE USING THE SAME - A solid catalyst for propylene polymerization includes titanium, magnesium, halogen and a maleate compound as an internal electron donor. A method for preparing propylene using the catalyst is also described. According to the present invention, it is possible to prepare polypropylene having a wide molecular weight distribution. | 07-05-2012 |
20120168982 | METHOD FOR MANUFACTURING ETHYLENE VINYL ACETATE COPOLYMER SHEET FOR SOLAR CELL ENCAPSULANT - Provided is a method for manufacturing a sheet for a solar cell encapsulant which has stability against yellowing after a crosslinking process and thus good appearance with improved productivity in the sheet manufacture process, specifically to a method for manufacturing a sheet for a solar cell encapsulant characterized by melt-mixing a resin composition with an organic peroxide, a co-crosslinking agent and a silane coupling agent at the degradation temperature of the organic peroxide or less, wherein the resin composition is obtained by melt-mixing EVA resin with an antioxidant, an UV absorber and a light stabilizer at 80-220° C., and forming a sheet from the obtained melt-mixed resin composition. | 07-05-2012 |
20110166399 | METHOD FOR IMPROVING PRODUCTIVITY AND PROCESS STABILITY IN STYRENE MANUFACTURING SYSTEM HAVING MULTIPLE REACTORS CONNECTED IN SERIES - Provided is a method for improving productivity and process stability in styrene monomer manufacturing system which uses ethylbenzene dehydrogenation and multiple reactors connected in series by divergence of the feed containing steam and ethylbenzene and injection thereof into a certain point of the system. | 07-07-2011 |
20110166394 | METHOD FOR CONTROLLING SIZE OF SPHERICAL CARRIER FOR OLEFIN POLYMERIZATION CATALYST - Provided is a method for controlling the size of a dialkoxy magnesium carrier used in preparation of an olefin polymerization catalyst. Specifically, provided is a method for controlling the size of a dialkoxy magnesium carrier for preparation of an olefin polymerization catalyst which includes preparation of a dialkoxy magnesium carrier by reacting metal magnesium with an alcohol in the presence of an reaction initiator such as magnesium halide or nitrogen halide, by adding the metal magnesium and the alcohol to the reaction in divided portion(s) of 1-3. | 07-07-2011 |
20100298509 | METHOD OF PRODUCING DIALKOXYMAGNESIUM SUPPORT FOR CATALYST FOR OLEFIN POLYMERIZATION, METHOD OF PRODUCING CATALYST FOR OLEFIN POLYMERIZATION USING THE SAME AND METHOD OF POLYMERIZING OLEFIN USING THE SAME - Disclosed are a method for producing a dialkoxymagnesium support for catalyst for olefin polymerization, a method of producing catalyst for olefin polymerization using the dialkoxymagnesium support and a method of polymerizing olefin using the catalyst. By using the method for producing a support according to the present invention, the content of large particles in the dialkoxymagnesium support can be controlled and the particle can have spherical shape, so the catalyst produced by using the support have high activity and stereoregularity, and high bulk density, thereby making it possible to be applied to the commercial processes. | 11-25-2010 |
20100172821 | METHOD OF PREPARATION OF SPHERICAL SUPPORT FOR OLEFIN POLYMERIZATION CATALYST - Provided is a method of preparation of dialkoxy magnesium that is used as a support for an olefin polymerization catalyst for polyolefin preparation. Specifically, provided is a method of preparation of a support for an olefin polymerization catalyst, which comprises preparation of dialkoxy magnesium by reacting magnesium metal with alcohol in the presence of a reaction initiator, wherein bromine is used as the reaction initiator so as to obtain spherical dialkoxy magnesium. | 07-08-2010 |
20100172820 | METHOD OF PREPARATION OF SPHERICAL SUPPORT FOR OLEFIN POLYMERIZATION CATALYST - Provided is a method of preparation of a spherical support for an olefin polymerization catalyst. Specifically, provided is a method of preparation of a support which can be used in preparation of an olefin polymerization catalyst, wherein, MgX(I) (X=halogen atom) is prepared by reacting a reaction initiator, nitrogen halide, and magnesium metal, and then magnesium metal and alcohol are reacted in the presence of the MgX, thereby resulting a smooth-surfaced spherical dialkoxy magnesium support having a uniform particle size distribution. | 07-08-2010 |
20100145119 | SEPARATION METHOD OF AROMATIC COMPOUNDS COMPRISING SIMULATED MOVING BED XYLENE MIXTURE PRE-TREATMENT PROCESS AND ADDITIONAL XYLENE ISOMERIZATION PROCESS - Disclosed is a method for separating aromatic compounds using a simulated moving bed adsorptive chromatography, comprising a sulfolan process that is a non-aromatic compound removing process, a benzene/toluene fractionation process, an aromatic compound fractionation process, a selective toluene disproportionation process, a transalkylation process, a simulated moving bed para-xylene separation process and a xylene isomerization process, wherein the method is characterized by further comprising a simulated moving bed xylene mixture pre-treatment process and an additional xylene isomerization process. The separation method of aromatic compounds according to the present invention can make significant improvement in para-xylene and benzene production in the overall process, as compared to the conventional aromatic compound separation process. | 06-10-2010 |
20100130707 | CATALYST FOR POLYMERIZATION OF PROPYLENE AND METHOD FOR POLYMERIZATION OF PROPYLENE USING THE SAME - Provided are a catalyst for polymerization of propylene and a method for polymerization of propylene using the same. Specifically, provided are a catalyst for propylene polymerization which comprises titanium tetrachloride, an internal electron donor, and dialkoxy magnesium particles, as a carrier, obtained from the reaction of a halogen compound or nitrogen-halogen compound as a reaction initiator, metal magnesium and an alcohol, and a method for propylene polymerization using the same. | 05-27-2010 |
20100105971 | SEPARATION METHOD OF AROMATIC COMPOUNDS COMPRISING SIMULATED MOVING BED XYLENE MIXTURE PRE - TREATMENT PROCESS AND ADDITIONAL XYLENE ISOMERIZATION PROCESS - Disclosed is a method for separating aromatic compounds using a simulated moving bed adsorptive chromatography and a crystallization process, comprising a sulfolan process that is a non-aromatic compound removing process, a benzene/toluene fractionation process, an aromatic compound fractionation process, a selective toluene disproportionation process, a transalkylation process, a crystallization process for para-xylene separation, a simulated moving bed para-xylene separation process and a xylene isomerization process, wherein the method is characterized by further comprising a simulated moving bed xylene mixture pre-treatment process and an additional xylene isomerization process. The separation method of aromatic compounds according to the present invention can make significant improvement in para-xylene and benzene production in the overall process, as compared to the conventional aromatic compound separation process. | 04-29-2010 |
20100105543 | PREPARATION METHOD OF A SOLID TITANIUM CATALYST FOR OLEFIN POLYMERIZATION - A preparation method of a solid titanium catalyst for olefin polymerization characteristically comprises the steps of: (1) obtaining a magnesium compound solution by dissolving a magnesium halide compound in an oxygen-containing solvent that is a mixed solvent of a cyclic ether and at least one of alcohols; (2) preparing a carrier by primarily reacting the obtained magnesium compound solution with a titanium halide compound at −10-30° C., then raising a temperature or aging so as to obtain particles, and secondly reacting the particles with a titanium halide compound; (3) preparing a catalyst by reacting the carrier with a titanium halide compound and an electron donor of phthalic acid dialkylester having a C9-13 alkyl group; and (4) washing the prepared catalyst with a hydrocarbon solvent at 40-200° C. | 04-29-2010 |
20090281259 | CATALYST FOR PROPYLENE POLYMERIZATION AND THE METHOD OF PROPYLENE POLYMERIZATION USING THE CATALYST - The present invention provides a catalyst for propylene polymerization and a method for propylene polymerization using the same, specifically, a catalyst for propylene polymerization, which is prepared by reacting dialkoxy magnesium with titanium halide compound or silane halide compound and internal electron donor in the presence of an organic solvent, and a method for propylene polymerization which can produce polypropylene having 99% or more of iso-tacticity index, by mixing and reacting said catalyst, alkyl aluminum, external electron donor and propylene. | 11-12-2009 |
20090221771 | PROCESS FOR POLYMERIZATION OR COPOLYMERIZATION OF ETHYLENE - Provided is a process for polymerization and copolymerization of ethylene, specifically comprising carrying out polymerization or copolymerization ethylene in the presence of (a) a solid complex titanium catalyst which is produced by the process comprising: (i) preparing a magnesium compound solution by contacting a halogenated magnesium compound and an alcohol for allowing a reaction; (ii) reacting the resulted magnesium compound solution with an ester compound having at least one hydroxyl group and a silicon compound having at least one alkoxy group; (iii) reacting the resulted solution with a mixture of a titanium compound and a silicon compound to obtain a solid titanium catalyst component; (iv) washing the resulted solid titanium catalyst component with a halogenated saturated hydrocarbon compound; and (v) further reacting the washed solid titanium catalyst component with a titanium compound to obtain a solid complex titanium catalyst, and (b) an organometallic compound from Group II or III of Periodic table of elements. According to the present invention, it is possible to provide a process for polymerization or copolymerization of ethylene in which the catalyst activity is improved and a polymer of high bulk density is provided, with the use of a catalyst prepared by a simple process. | 09-03-2009 |
20090215611 | PREPARATION METHOD OF CATALYST FOR ETHYLENE POLYMERIZATION AND COPOLYMERIZATION - Provided is a preparation method of a catalyst for ethylene (co)polymerization, comprising the following steps: (1) preparing a magnesium compound solution by contact-reacting a halogenated magnesium compound with a mixed solvent of cyclic ether and at least one alcohol; (2) reacting the resulted magnesium compound solution from the above step (1) with a silicon compound having at least one alkoxy group; (3) preparing a support by adding a titanium compound to the resulted product from the step (2); and (4) reacting thus obtained support with a titanium compound and optionally a monoester compound, resulting in a catalyst. Catalysts prepared according to the present invention have a regulated particle shape, and their particle size can be easily adjusted. Therefore, with such catalyst, it is possible to produce polymers having high bulk density at high production yield. | 08-27-2009 |
20090143552 | METHOD OF POLYMERIZATION OF OLEFIN/ALPHA-OLEFIN USING ARYLOXY-BASED OLEFIN- (CO)POLYMERIZATION CATALYST - The present invention provides a method of polymerization of olefin or copolymerization of olefin/alpha-olefin using transition metal compound with an oxidation number of 3 as a catalyst and organo-aluminum compound as a co-catalyst, wherein the transition metal compound with an oxidation number of 3 is produced by reacting organo-magnesium compound with a compound which is formed by reacting transition metal compound having aryloxy group with an oxidation number of 4 or more with external electron donor. According to the present invention, an olefin (co)polymer with a narrow molecular weight distribution is obtained. | 06-04-2009 |