SK GLOBAL CHEMICAL CO., LTD. Patent applications |
Patent application number | Title | Published |
20140316053 | Composition of the Hot-Melt Adhesive Improved Cold Resistance - Provided is a hot-melt adhesive composition having a cold resistance, and more particularly, a hot-melt adhesive composition including an aliphatic polycarbonate resin obtained by copolymerization of carbon dioxide and polypropylene oxide, and a cold resistance improver. | 10-23-2014 |
20140221545 | NON-CROSSLINKED POLYETHYLENE COMPOSITION FOR POWER CABLE - Provided is a polymer composition usable as a covering material of a power cable for outdoors, and more particularly, a non-crosslinked polyethylene composition for a power cable using a non-crosslinked type polyethylene resin instead of using a crosslinked polyethylene which is widely used around the world as the existing power cable insulator. The power cable using a covering material made of the polymer composition according to the present disclosure may have excellent tracking resistance to be appropriately used in costal areas containing large salts, industrial complexes containing large pollutants, and the like. | 08-07-2014 |
20140206835 | Hot Melt Composition - Provided is a hot melt adhesive composition including aliphatic polycarbonate. With the hot melt adhesive composition according to the present invention, the pyrolysis temperature is low, such that the harmful gas is not generated at the time of waste treatment, resulting in providing an excellent environmentally friendly product. In addition, the hot melt adhesive composition has the low melting temperature to thereby be usable at low temperature and exhibit sufficient adhesive strength. | 07-24-2014 |
20140179967 | METHOD OF PRODUCING AROMATIC HYDROCARBONS FROM BYPRODUCTS OF AROMATIC CARBOXYLIC ACID AND/OR AROMATIC CARBOXYLIC ACID ALKYLESTER PREPARATION PROCESSES - This invention relates to a method of producing an aromatic hydrocarbon compound from byproducts of aromatic carboxylic acid and/or aromatic carboxylic acid alkylester preparation processes using hydroprocessing under conditions of high temperature and high hydrogen pressure in the presence of a catalyst, and to a hydroprocessing catalyst used therein. | 06-26-2014 |
20140179885 | Method of Preparing Ethylene-alpha-Olefin-Diene Copolymer - The present invention relates to a method of preparing an ethylene-α-olefin-diene copolymer and an ethylene-α-olefin-diene copolymer prepared thereby, by using a transition metal compound based on a cyclopenta[b]fluorenyl group as a catalyst. | 06-26-2014 |
20140171616 | SELF-ADHESIVE COMPOSITION AND SELF-ADHESIVE FILM FOR GLASS MANUFACTURED THEREFROM - Provided is a self-adhesive composition having excellent weather resistance, adhesive strength, transparency, and durability to durability against ultraviolet rays, containing aliphatic polycarbonate by copolymerization of carbon dioxide and at least one epoxide compound. Also, provided are a self-adhesive film for glass produced from the self-adhesive composition containing aliphatic polycarbonate and a use thereof. | 06-19-2014 |
20140012026 | Adsorbents for the Recovery of Catalyst from Block Co-Polymer Process and Method for Regenerating of the Same - Provided is a process for isolating a catalyst from a solution having a copolymer and a catalyst dissolved therein, after performing copolymerization with the catalyst. More specifically the invention provides selection and application of an adsorbent to be used for the isolation. | 01-09-2014 |
20130253128 | NON-CROSSLINKED POLYETHYLENE COMPOSITION FOR POWER CABLE - Provided is a non-crosslinked polyethylene composition for a power cable in which crosslinked polyethylene widely used in the world as an existing insulator for a power cable is replaced with a non-crosslinked polyethylene resin, and more particularly, a non-crosslinked polyethylene composition for a power cable having excellent processability, AC dielectric breakdown strength, space charge distribution, and water tree resistance. | 09-26-2013 |
20130225834 | Cyclopenta[b]Fluorenyl Transition Metal Compound, Catalyst Composition Containing the Same, and Method of Preparing Ethylene Homopolymer or Copolymer of Ethylene and alpha-Olefin Using the Same - The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and one α-olefin, a method of preparing an ethylene homopolymer or a copolymer of ethylene and α-olefin using the same, and the prepared ethylene homopolymer or the copolymer of ethylene and α-olefin. | 08-29-2013 |
20130184398 | ALIPHATIC POLYCARBONATE/POLYESTER POLYMER RESIN COMPOSITION HAVING SUPERIOR LOW-TEMPERATURE RESISTANCE - Provided is a poly(alkylene carbonate) resin composition having superior low-temperature resistance, including: a) a poly(alkylene carbonate) resin prepared by copolymerization of carbon dioxide and at least one epoxide compound selected from the group consisting of (C2-C20)alkyleneoxide substituted or unsubstituted with halogen, (C1-C20)alkyloxy, (C6-C20)aryloxy, or (C6-C20)ar(C1-C20)alkyloxy; (C4-C20)cycloalkyleneoxide substituted or unsubstituted with halogen, (C1-C20)alkyloxy, (C6-C20)aryloxy or (C6-C20)ar(C1-C20)alkyoxy; and (C8-C20)styreneoxide substituted or unsubstituted with halogen, (C1-C20)alkyloxy, (C6-C20)aryloxy, (C6-C20)ar(C1-C20)alkyloxy, or (C1-C20)alkyl; and b) any one or two or more partially aromatic polyesters selected from polyester based on aliphatic and aromatic dicarboxylic acid and an aliphatic dihydroxy compound, and aliphatic polyesters prepared from aliphatic dicarboxylic acid and aliphatic diol. | 07-18-2013 |
20130172434 | METHOD FOR PREPARING RESIN COMPOSITION FOR EXPANDABLE POLYPROPYLENE CARBONATE AND EXPANDABLE POLYPROPYLENE CARBONATE PREPARED THEREFROM - Provided herein are a method for preparing a resin composition for an expandable polypropylene carbonate and an expandable polypropylene carbonate prepared therefrom. More particularly, the present invention relates to a method for preparing a resin composition for an expandable polypropylene carbonate capable of using supercritical carbon dioxide as a foaming agent and preparing a foam having excellent moldability by an appropriate foaming method, and an expandable polypropylene carbonate prepared therefrom. The expandable polypropylene carbonate capable of having high magnification, excellent thermal stability, and dimensional stability may be prepared by using the resin composition according to the present invention. | 07-04-2013 |
20130129928 | RESIN COMPOSITION FOR HIGH BARRIER PAPER-COATING - Provided is a resin composition for paper-coating comprising aliphatic polycarbonate having an average molecular weight of 30,000 to 300,000 obtained by reaction of one or at least two different kinds of epoxide compounds selected from a group consisting of (C2-C10)alkylene oxide substituted or unsubstituted with carbon dioxide, halogen, or alkoxy; (C4-C20)cycloalkylene oxide substituted or unsubstituted with halogen or alkoxy; and (C8-C20)styrene oxide substituted or unsubstituted with halogen, alkoxy, alkyl or aryl, wherein it contains 0 to 40 weight % of polyolefin-based resin such as polyethylene or polypropylene, based on the total amount of the composition. In addition, the present invention relates to a paper coating method of extrusion-coating the resin composition for paper-coating on paper at 130 to 250° C. to manufacture a coated paper. | 05-23-2013 |
20130075666 | Polymer Electrolyte Composition and Dye-Sensitized Solar Cell Containing the Same - Disclosed is a polymer electrolyte composition, a gel-type polymer electrolyte obtained by mixing the same at normal temperature, and a dye-sensitized solar cell containing the electrolyte. Since the poly(alkylene carbonate)-based polymer is included, a crosslinking process by radiation of heat or UV is not required when the polymer electrolyte is manufactured, such that a manufacturing process is simple. Accordingly, the polymer electrolyte is useful for mass production of a solar cell and maintained in a uniform state without a phase separation between two components due to excellent affinity between the polymer and the organic solvent included in the electrolyte, and has excellent electrode-electrolyte interface property in the solar cell due to an adhesive property of the gelled polymer electrolyte. | 03-28-2013 |
20130072611 | PLASTICIZER AND METHOD OF PREPARING THE SAME - The present invention provides an ester plasticizer for polyvinyl chloride (PVC) resin, epoxy resin or urethane resin and a method of preparing the same. More particularly, the present invention provides an ester plasticizer using triacetin and coconut oil-based biodiesel as raw materials, which can prepare a resin composition having excellent plasticizing efficiency and improved physical properties such as tensile strength and the like. | 03-21-2013 |
20130005893 | POLYOLEFIN COMPOSITION FOR AN INTERIOR SHEET/FILM - The present invention relates to a polyolefin composition for an interior sheet/film. The polyolefin composition of the present invention for an interior sheet comprises 70 to 99 wt % of polyolefin and 1 to 30 wt % of modified polyethylene terephthalate having a melting point of 130 to 180° C. The polyolefin composition of the present invention is environmentally friendly and has good physical properties such as workability, printing characteristics, and adhesiveness. In addition, sheets having various thicknesses can be produced by extrusion without having to stretch the sheets, and thus the sheets can be used separately or in combination in various application fields. | 01-03-2013 |
20120288709 | Multilayered Film Having Excellent Barrier and Thermal Adhesion Properties - Provided is a molded body where aliphatic polycarbonate and polypropylene are laminated in two or more layers, and more particularly, if aliphatic polycarbonate and polypropylene according to the present invention are co-extruded and bi-axially oriented, since two layers are easily attached by only a simple process while an additional process for introducing a barrier layer and an adhesion agent or a adhesion layer (tie layer) are not provided, stripping does not occur, excellent oxygen barrier property may be provided as compared to only bi-axially oriented polypropylene, in the case where aliphatic polycarbonate is present on a surface layer, a heat sealing property and a thermal adhesion property to paper may be provided at low temperatures, and an additional adhesion agent or adhesion layer (tie layer) are not required, cost is reduced and a layer constitution is simplified to significantly reduce manufacturing costs. | 11-15-2012 |
20120232245 | Method for Preparing Carbon Dioxide/Epoxide Copolymers Containing Ether Linkages - Provided is a method for preparing poly(alkylene carbonate) containing ether linkages, by the copolymerization of an epoxy compound and carbon dioxide, with a trivalent metal complex prepared from a salen type ligand containing a quaternary ammonium salt, and a double metal cyanide (DMC) catalyst together. The amount of ether linkages can be controlled by regulating the weight ratio of two catalysts and the carbon dioxide pressure. | 09-13-2012 |
20120130086 | Highly Active and Selective Ethylene Oligomerization Catalyst and Method of Preparing Hexene or Octene Using the Same - This invention relates to a chromium complex compound for selective ethylene oligomerization including a chiral ligand, and to a method of selectively preparing 1-hexene or 1-octene from ethylene using the same. | 05-24-2012 |
20120077914 | NOVEL PLASTICIZER FOR A POLYVINYL CHLORIDE RESIN - The present invention relates to an ester compound using alicyclic polyhydric acid and to a plasticizer for plastics, particularly, polyvinylchloride (PVC), including the ester compound More particularly, the present invention relates to a plasticizer, which is derived by the esterification reaction of alicyclic polyhydric acid and alcohol. When a polyvinylchloride resin is manufactured using the plasticizer, there are advantages in that the obtained products are excellent in terms of plasticizing efficiency, and in that their physical properties, such as hardness, tensile strength and the like, can be improved. | 03-29-2012 |
20120012363 | UNCROSSLINKED POLYETHYLENE COMPOSITION FOR POWER CABLE - Disclosed is uncrosslinked linear medium-density polyethylene resin composition for a power cable, which is applicable to an insulating layer, a semi-conducting layer or a sheath layer. Specifically, the uncrosslinked polyethylene composition includes: 100 parts by weight of a polymer comprising a linear medium-density polyethylene resin comprising an α-olefin having 4 or more carbon atoms as a comonomer and having a melt index of 0.6-2.2 g/10 min (at 190° C. under a load of 5 kg), a differential scanning calorimetry (DSC) enthalpy of 130-190 joule/g and a molecular weight distribution of 2-30; and 0.1 to 10 parts by weight of one or more additive(s) selected from a flame retardant, an oxidation stabilizer, a UV stabilizer, a heat stabilizer and a process aid. | 01-19-2012 |