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Lotte Chemical Corporation patents


Recent patent applications related to Lotte Chemical Corporation. Lotte Chemical Corporation is listed as an Agent/Assignee. Note: Lotte Chemical Corporation may have other listings under different names/spellings. We're not affiliated with Lotte Chemical Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Lotte Chemical Corporation-related inventors


Aliphatic polycarbonate macropolyol and aliphatic polycarbonate-coaromatic polyester macropolyol

Provided is an aliphatic polycarbonate macropolyol including —oao— and z(o—)a as repeating units. In the aliphatic polycarbonate macropolyol, the repeating units —oao— and z(o—)a are linked to each other via carbonyl (—c(o)—) linkers or are bonded to hydrogen to form terminal —oh groups. ... Lotte Chemical Corporation

Aliphatic polycarbonate macropolyol and aliphatic polycarbonate-coaromatic polyester macropolyol

Provided is an aliphatic polycarbonate macropolyol including —oao— and z(o—)a as repeating units. In the aliphatic polycarbonate macropolyol, the repeating units —oao— and z(o—)a are linked to each other via carbonyl (—c(o)—) linkers or are bonded to hydrogen to form terminal —oh groups. ... Lotte Chemical Corporation

Composition for membrane, method of preparing membrane using the same, membrane prepared therefrom and apparatus for purifying water

Disclosed herein is a membrane composition. The membrane composition includes: about 8 wt % to less than about 20 wt % of a vinylidene fluoride polymer resin; more than 60 wt % to about 90 wt % of a solvent; about 0.1 wt % to about 5 wt % of an acetylated methyl cellulose; and about 1 wt % to about 15 wt % of a hydrophilic additive.. ... Lotte Chemical Corporation

Hollow fiber membrane and method of preparing the same

A hollow fiber membrane and a method of preparing the same. The hollow fiber membrane has an inner surface and an outer surface, wherein the inner surface has a zebra-stripe pattern in which a dense portion and a porous portion are alternately formed in a longitudinal direction of the hollow fiber membrane.. ... Lotte Chemical Corporation

Apparatus for manufacturing long fiber reinforced composite material

. . A manufacturing apparatus of a long fiber composite material according to an exemplary embodiment of the present invention includes: a main body where an inlet through which a plurality of fiber bundles are penetrated is formed at one side and an outlet through the fiber bundles are discharged is formed at the other side; a plurality of first through-hole plates that are arranged in parallel with each other along a first direction in the main body and having a plurality of through-holes through which the plurality of fiber bundles are penetrated formed therein; and a second through-hole plate that is disposed between a pair of first through-hole plates that are adjacent to each other among the plurality of first through-hole plates, and through which the plurality of fiber bundles penetrated through the first through-hole plates are penetrated.. . ... Lotte Chemical Corporation

Method for manufacturing long fiber reinforced composite material

A manufacturing method of a long fiber composite material according to an exemplary embodiment of the present invention includes: preparing a main body where inlets and outlets through which a plurality of fiber bundles are respectively charged into and discharged from are formed; adjusting a height of a plurality of first through-hole plates and a height of a second through-hole plate that are disposed in the main body to be the same; having the plurality of fiber bundles penetrated through the first through-hole plate and the second through-hole plate; and adjusting the height of the first through-hole plate and the height of the second through-hole plate to be different from each other after penetrating the plurality of fiber bundles through the first through-hole plate and the second through-hole plate.. . ... Lotte Chemical Corporation

Bumper system for vehicle

The present invention relates to a bumper system for a vehicle, and provides a bumper system for a vehicle, the system comprising: a bumper beam which has a fastening hole formed through each end thereof in the forward and backward direction; a crash box which is inserted into the fastening hole of the bumper beam; and a bracket which is fastened to the bumper beam so as to be able to prevent the crash box from being separated. Thereby, the system can meet both low speed crash regulations and rcar performance.. ... Lotte Chemical Corporation

Polycarbonate-based thermoplastic resin composition and product using same

Disclosed are a thermoplastic resin composition which, through combination of certain compatibilizers, satisfies high-gloss and high-impact properties, does not generate weld lines and flow marks, and furthermore, has appropriate impact strength and can sufficiently satisfy scratch resistance required for adoption in actual products, and a product using the same. The present invention provides a polycarbonate-based thermoplastic resin composition including 5-28 wt % of a polycarbonate thermoplastic resin; 55-80 wt % of a polymethylmethacrylate copolymer; 1-20 wt % of a styrene-acrylonitrile copolymer; and 1-20 wt % of a styrene-methylmethacrylate-butyl-acrylate copolymer, and a product using the same.. ... Lotte Chemical Corporation

Method for manufacturing positive electrode electrolyte for redox flow battery and redox flow battery

The present disclosure relate to a method for preparing a cathode electrolyte for redox flow batteries including the steps of: forming a first cathode electrolyte by reducing vanadium pentoxide (v2o5) in an acidic solution in the presence of a specific reducing compound; forming a second cathode electrolyte by reducing vanadium pentoxide (v2o5) in an acidic solution in the presence of a linear or branched aliphatic alcohol having 2 to 10 carbon atoms; and mixing the first cathode electrolyte and the second cathode electrolyte, and to a redox flow battery including the cathode electrolyte obtained by the preparation method.. . ... Lotte Chemical Corporation

Polyolefin composite composition for automotive airduct

A polyolefin composite composition is used in an automotive air duct. The polyolefin composite composition is useful as an automotive air duct component material due to excellent mechanical property, heat resistance, and foaming property as a composition in which a polyethylene resin and a long chain branched polypropylene resin having low crystallization of 45% or less are included as a base resin.. ... Lotte Chemical Corporation

Continuous fiber composite and method for preparing continuous fiber composite

The present invention relates to a continuous fiber composite including: a continuous fiber layer; a modified polyolefin layer; and a polyolefin resin layer, and a method for producing the same.. . ... Lotte Chemical Corporation

Polymer resin composition and vinylidene fluoride-based polymer resin molded product

The present invention relates to a polymer resin composition including: a vinylidene fluoride-based polymer resin; and one or more types of nucleating agents selected from the group consisting of an organic phosphate and a c5-c15 bicycloalkane substituted with one or more carboxylic acid metal salt functional groups, and a polymer resin molded product prepared using the polymer resin composition.. . ... Lotte Chemical Corporation

Catalyst composition, and method for preparing alpha-olefin

The present disclosure relates to a catalyst composition including an organic ligand compound of a specific chemical structure; and a chromium compound and a method for synthesizing alpha-olefin using the catalyst composition, and when the catalyst composition is used, alpha-olefin may be stably synthesized with high selectivity and reaction activity.. . ... Lotte Chemical Corporation

Thermoplastic elastomer composition having advanced vibration isolation and thermal resistance, and molded article manufactured therefrom

The present invention relates to a thermoplastic elastomer composition and a molded article manufactured therefrom. The thermoplastic elastomer composition according to the present invention has advanced vibration insulation and thermal resistance. ... Lotte Chemical Corporation

06/01/17 / #20170151553

Dehydrogenation catalyst, and preparation method therefor

Disclosed is a dehydrogenation catalyst for converting the c4 lpg, isobutane, and the c3 lpg, propane, into isobutene and propene at high yield via direct dehydrogenation, and a method for preparing the same. The present invention provides a dehydrogenation catalyst for converting a paraffin-based hydrocarbon having a carbon number of 3 or 4 into an olefin-based hydrocarbon via direct dehydrogenation, the dehydrogenation catalyst including a metal alloy (zno—al2o3) carrier composed of alumina (al2o3) and zinc oxide (zno), and an active metal and an auxiliary active metal which are carried by the metal alloy carrier.. ... Lotte Chemical Corporation

05/04/17 / #20170121486

Method for preparing polyolefin resin composition and polyolefin resin composition

The present invention relates to a method for preparing a polyolefin resin composition including the step of mixing a first resin chip including a first polyolefin resin and glass filaments and a second resin chip including a second polyolefin resin and an aerogel or glass bubbles, a polyolefin resin composition including a first resin chip including a first polyolefin resin and glass filaments and a second resin chip including a second polyolefin resin and an aerogel or glass bubbles, and a polyolefin resin molded article including an extrusion molded article of the polyolefin resin composition.. . ... Lotte Chemical Corporation

04/20/17 / #20170107164

Composite metal catalyst composition, and method and apparatus for preparing 1,4-cyclohexanedimethanol using same

Disclosed are a composite metal catalyst composition capable of increasing efficiency and economic feasibility of a reaction through simplification of a reaction process, and providing 1,4-cyclohexanedimethanol with high purity for a shorter time while minimizing byproducts; and a method and apparatus for preparing 1,4-cyclohexanedimethanol with high purity using the same. The present invention provides a composite metal catalyst composition for converting an aromatic dicarboxylic acid into an alicyclic diol compound, the composition containing: a first metal catalyst including a palladium (pd) compound; and a second metal catalyst including a ruthenium (ru) compound, a tin (sn) compound, and a platinum (pt) compound, and a method and apparatus for preparing 1,4-cyclohexanedimethanol using the same.. ... Lotte Chemical Corporation

04/06/17 / #20170096116

Vehicle front structure

A vehicle front structure is provided. The vehicle front structure includes a front bumper beam having a plurality of brackets that extend in the downward direction of a vehicle and coupling components that protrude forward from ends of the respective brackets. ... Lotte Chemical Corporation

02/09/17 / #20170037214

Foamable masterbatch and polyolefin resin composition with excellent expandability and direct metallizing property

The present disclosure provides a masterbatch prepared by melting and extruding a mixture including a polyolefin resin, wherein the mixture includes 10 to 89% by weight of a polyolefin resin, 5 to 30% by weight of a chemical blowing agent, 5 to 30% by weight of thermally expandable microcapsule, and 1 to 30% by weight of an inorganic filler. In addition, the present disclosure provides a polyolefin resin composition with excellent expandability and direct metallizing property, which includes the foamable masterbatch. ... Lotte Chemical Corporation








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