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公开(公告)号：US11542164B2
公开(公告)日：2023-01-03
申请号：US17049477
申请日：2019-06-07
Applicant: LG CHEM, LTD.
Inventor： Dong Hyun Kim , Houng Sik Yoo , Jin Myung Cha , Gye Min Kwon , Hyun Sik Chae , Dong Hyun Cho , Sang Hoon Choy , Hyeon Choi , Hyung Suk Cho
IPC: C01B32/174 , H01M4/62 , B82Y30/00 , B82Y35/00 , B82Y40/00
Abstract: The present invention relates to a carbon nanotube dispersion including carbon nanotubes, a polymer dispersant containing an amine, a phenolic compound including two or more aromatic rings, and an aqueous solvent, wherein the polymer dispersant and the phenolic compound including two or more aromatic rings are included in a weight ratio of 100:1 to 100:90, and having low viscosity and a small change of viscosity over time.
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公开(公告)号：US10988656B2
公开(公告)日：2021-04-27
申请号：US16470415
申请日：2018-05-15
Applicant: LG Chem, Ltd.
Inventor： Seong Kyun Kang , Yoon Gyung Cho , Yang Gu Kang , Eun Suk Park , Sang Min Park , Se Woo Yang , Hyeon Choi
IPC: C09K5/14 , C08G18/32 , C08G18/42 , C08G18/66 , C08G18/73 , C08K3/22 , C08K7/18 , C08K3/013 , C08L75/04 , C08L101/00
Abstract: A thermally conductive resin composition is disclosed herein. The thermally conductive resin composition exhibits high thermal conductivity while having excellent handling properties. In an embodiment, a resin composition includes a resin component and 600 parts by weight or more of a thermally conductive filler relative to 100 parts by weight of the resin component. The thermally conductive filler comprise 30 to 50 wt % of a first thermally conductive filler having a D50 particle diameter of 35 μm or more, 25 to 45 wt % of a second thermally conductive filler having a D50 particle diameter in a range of 15 μm to 30 μm, and 15 to 35 wt % of a third thermally conductive filler having a D50 particle diameter of 1 to 4 μm, based on the total weight of the thermally conductive filler.
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公开(公告)号：US10744483B2
公开(公告)日：2020-08-18
申请号：US16092923
申请日：2017-06-15
Applicant: LG Chem, Ltd.
Inventor： Ki Youl Yoon , Hyo Sook Joo , Gi Cheul Kim , Hyeon Choi , Ju Eun Kim
IPC: B01J20/26 , B01J20/10 , B01J20/28 , B01J20/30 , B01J20/32 , C08L33/02 , C08J3/24 , C08K7/28 , C08K3/40 , C08F20/06 , C08F20/66 , C08J3/075 , C08J3/12
Abstract: The present invention relates to a super absorbent polymer having more improved absorbency under pressure and liquid permeability, and a method for producing the same. The super absorbent polymer comprises a base polymer powder including a cross-linked polymer of a monomer containing a water-soluble ethylenically unsaturated compound or its salt; and a surface cross-linked layer that is formed on the base polymer powder and is further cross-linked from the cross-linked polymer, wherein a glass hollow particle having a micron-scale particle size is included on the surface cross-linked layer.
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公开(公告)号：US10655018B2
公开(公告)日：2020-05-19
申请号：US15301542
申请日：2015-04-03
Applicant: LG CHEM, LTD.
Inventor： Hee-Jung Choi , Seong-Kyun Kang , Hyeon Choi , Jong-Won Lee
IPC: C09D5/00 , C09D7/61 , C09D7/62 , C09C1/30 , C08K3/36 , C08K9/06 , C08K9/08 , C08L61/14 , C09D165/00 , C09D7/40
Abstract: Disclosed are a silica sol composition including silica, an anionic dispersant, a cationic dispersant, an epoxy silane coupling agent, and an organic solvent, and a method for preparing the same. In the silica sol composition, a uniform surface modification of silica particles may be achieved by using an anionic dispersant and a cationic dispersant, and it is possible to effectively enhance the compatibility between a silica filler whose surface is modified with an epoxy group and a resin which is an underfill composition.
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公开(公告)号：US20190176125A1
公开(公告)日：2019-06-13
申请号：US16093333
申请日：2017-06-15
Applicant: LG Chem, Ltd.
Inventor： Ki Youl Yoon , Hyo Sook Joo , Gi Cheul Kim , Hyeon Choi , Ju Eun Kim
Abstract: The present invention relates to a super absorbent polymer having a controlled degree of internal crosslinking and thereby having simultaneously improved basic absorption capacity and absorbency under pressure, and a method for producing the same. The super absorbent polymer may comprise a base polymer powder including a cross-linked polymer of a monomer containing a water-soluble ethylenically unsaturated compound or its salt; and a surface cross-linked layer that is formed on the base polymer powder and is further cross-linked from the cross-linked polymer, wherein a glass hollow particle having a micron-scale particle size is included in the cross-linked structure of the cross-linked polymer of the base polymer powder.
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Patent Agency Ranking
公开(公告)号：US20190085104A1
公开(公告)日：2019-03-21
申请号：US16090722
申请日：2017-12-13
Applicant: LG Chem, Ltd.
Inventor： Ki Youl Yoon , Hyo Sook Joo , Gi Cheul Kim , Hyeon Choi , Ju Eun Kim
IPC: C08F20/18 , C08F20/08 , C08F20/06 , C08F20/56 , C08F2/44 , C08F2/38 , C08K5/103 , C08J3/24 , C08J3/12 , C08J9/28 , C08L71/02 , B01J20/26
CPC classification number: C08F20/18 , B01J20/267 , B01J2220/68 , C08F2/38 , C08F2/44 , C08F6/02 , C08F20/06 , C08F20/08 , C08F20/56 , C08J3/075 , C08J3/12 , C08J3/24 , C08J3/245 , C08J9/28 , C08J2205/022 , C08J2333/08 , C08J2333/10 , C08K3/22 , C08K3/36 , C08K5/00 , C08K5/103 , C08K2003/2227 , C08L33/06 , C08L71/02
Abstract: The present disclosure relates to a preparation method of a porous super absorbent polymer including the steps of preparing a monomer neutralized solution by adding an internal cross-linking agent, an initiator, an inorganic filler, and a nonionic surfactant to a neutralized solution obtained by neutralizing at least 80 mol % of a water soluble ethylene-based unsaturated monomer containing acidic groups; high-shear mixing the monomer neutralized solution; preparing a hydrogel polymer from the high-shear mixed monomer neutralized solution by thermal polymerization or photopolymerization; and preparing a base resin powder by drying, pulverizing, and classifying the hydrogel polymer.
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公开(公告)号：US10165627B2
公开(公告)日：2018-12-25
申请号：US14767750
申请日：2014-10-15
Applicant: LG CHEM, LTD.
Inventor： Hyeon Choi
Abstract: Disclosed is a heating element, including: a substrate; a first bus bar provided on the substrate; a second bus bar which is provided on the substrate so as to be opposite to the first bus bar; and a heating pattern which is provided to electrically connect the first bus bar and the second bus bar, wherein the heating pattern includes a first pattern region which is in contact with the first bus bar and a second pattern region which is in contact with each of the second bus bar and the first pattern region and the first pattern region has an opening region which serves as a communication window.
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公开(公告)号：US10100147B2
公开(公告)日：2018-10-16
申请号：US15303349
申请日：2015-06-12
Applicant: LG CHEM, LTD.
Inventor： Seong Kyun Kang , Sung-Kyoung Kim , Jun Wye Lee , Eun Kyoung Park , Seung Young Park , Hyeon Choi
Abstract: An organic zinc catalyst having more uniform and fine particle size and showing more improved activity in a polymerization process for the preparation of a poly(alkylene carbonate) resin and a preparation method thereof, and a method of preparing a poly(alkylene carbonate) resin using the organic zinc catalyst, are provided. The preparation method of the organic zinc catalyst includes the steps of surface-treating a zinc precursor with a dispersant, and reacting the surface-treated zinc precursor with dicarboxylic acid to form a zinc dicarboxylate-based catalyst.
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公开(公告)号：US20180251638A1
公开(公告)日：2018-09-06
申请号：US15760460
申请日：2016-08-26
Applicant: LG Chem, Ltd.
Inventor： Gyemin Kwon , Houngsik Yoo , Hye Lim Sim , Byoung Hoon Ahn , Jong Won Lee , Dong Hyun Kim , Sang Hoon Choy , Hyeon Choi
Abstract: The present disclosure relates to a carbon black dispersion solution comprising carbon black, a dispersion medium, and partially hydrogenated nitrile rubber having a residual double bond (RDB) value of 0.5% by weight to 40% by weight calculated according to the following Mathematical Formula 1, wherein dispersed particle diameters of the carbon black have particle size distribution D50 of 0.1 μm to 2 μm, a method for preparing the same, and methods for preparing electrode slurry and an electrode using the same.
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公开(公告)号：US09751995B2
公开(公告)日：2017-09-05
申请号：US15123447
申请日：2015-08-04
Applicant: LG CHEM, LTD.
Inventor： Hyo Sook Joo , Ki Youl Yoon , Gi Cheul Kim , Ju Eun Kim , Hyeon Choi , Hee Jung Choi , Sung Soo Park , Sung Hyun Park , Myung Han Lee
IPC: C08J3/24 , C08J3/075 , C08K3/00 , C08K5/00 , A61L15/60 , C08F220/06 , A61L15/24 , B01J20/26 , B01J20/28 , C08F292/00 , C08F222/02
CPC classification number: C08J3/245 , A61L15/24 , A61L15/60 , B01J20/267 , B01J20/28004 , B01J20/28059 , B01J20/28061 , B01J20/28064 , C08F220/06 , C08F222/02 , C08F292/00 , C08J3/075 , C08J3/24 , C08J2333/02 , C08K3/00 , C08K5/00 , C08F2222/1013 , C08F2230/085
Abstract: The present invention relates to a superabsorbent polymer that has more improved gel strength and is improved in both water retention capacity (centrifuge retention capacity, CRC) and absorption ability under pressure (AUP) because of an optimized cross-linked structure of a base resin powder inside a cross-linked surface layer, and a preparation method thereof. The superabsorbent polymer includes a base resin powder including a 1st cross-linked polymer of a water-soluble ethylenic unsaturated monomer having acid groups of which at least a part is neutralized, and a cross-linked surface layer that includes a 2nd cross-linked polymer further cross-linked from the 1st cross-linked polymer and is formed on the base resin powder, wherein an inorganic particle is chemically bonded to the 1st cross-linked polymer by the medium of a cross-linking bond, an oxygen-containing bond (—O—), or a nitrogen-containing bond (—NR—, where R is hydrogen or a C1-C3 alkyl or an amide bond).
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