公开(公告)号：US11578179B2

公开(公告)日：2023-02-14

申请号：US16474835

申请日：2018-10-23

Applicant: LG CHEM, LTD.

Inventor： Mingoo Kim ,  Hyeok Jeong ,  Jinkyu Lee

IPC: C08J7/056 ,  C09D7/63 ,  C09D5/14 ,  C09D133/08 ,  C09D133/10 ,  C09D135/02

Abstract: The present invention relates to an antimicrobial polymer coating composition including: a (meth)acrylate-based monomer or oligomer containing an alkylene oxide having 1 to 10 carbon atoms; a photosensitizer; and a photoinitiator, and an antimicrobial polymer film including a substrate layer including a polymer resin containing a (meth)acrylate-based repeating unit having an introduced alkylene oxide functional group having 1 to 10 carbon atoms, and a photosensitizer dispersed in the substrate layer, wherein the antimicrobial polymer film has surface energy of 32 mN/m or more.

公开(公告)号：US12122939B2

公开(公告)日：2024-10-22

申请号：US17258691

申请日：2020-01-13

Applicant: LG CHEM, LTD.

Inventor： Mingoo Kim ,  Miyeon Oh ,  Jeehyon Min ,  Jinkyu Lee ,  Hong Shik Shim

IPC: C09D5/14 ,  C08F2/50 ,  C08F220/22 ,  C08F222/10 ,  C08J5/18 ,  C08K5/3415 ,  C09D133/08

CPC classification number: C09D5/14 ,  C08F2/50 ,  C08F220/22 ,  C08F222/103 ,  C08F222/1063 ,  C08J5/18 ,  C08K5/3415 ,  C09D133/08

Abstract: The present disclosure relates to an antibacterial coating composition including a (meth)acrylate-based monomer or oligomer containing an alkylene oxide having 1 to 10 carbon atoms; a compound represented by the following Chemical Formula 1; and a photoinitiator, an antibacterial polymer film including a cured product of the antibacterial polymer coating composition, and an antibacterial polymer film including a polymer resin containing a (meth)acrylate-based repeating unit having an introduced alkylene oxide functional group having 1 to 10 carbon atoms; and a compound represented by the following Chemical Formula 1 dispersed in the polymer resin, wherein antibacterial activity measured according to JIS R 1702 (KS L ISO 27447; 2011) is 99% or more:






in Chemical Formula 1,
at least one of R is








and the rest are hydrogen,



R1 is hydrogen, C1 to C5 alkyl, or C1 to C5 alkoxy,
k is an integer of 1 to 5, and
n is an integer of 1 to 20.

公开(公告)号：US11124660B2

公开(公告)日：2021-09-21

申请号：US16488053

申请日：2018-09-20

Applicant: LG CHEM, LTD.

Inventor： Hyeok Jeong ,  Taekeun Kim ,  Jinkyu Lee ,  Mingoo Kim

IPC: C08G77/38 ,  C09D5/14 ,  C09D7/40 ,  C08J5/18 ,  C08K5/00 ,  C08K5/3415 ,  C08L63/00 ,  C09D183/04

Abstract: An antimicrobial polymer coating composition comprising a polyhedral oligomeric silsesquioxane having a cage structure and having one or more reactive functional groups substituted on silicon atoms; a thermal initiator; and a photosensitizer, an antimicrobial polymer film comprising a cured product of the antimicrobial polymer coating composition, and an antimicrobial polymer film comprising: a substrate layer containing a polyhedral oligomeric silsesquioxane having a cage structure, in which one or more reactive functional groups are substituted; and a photosensitizes dispersed in the substrate layer, wherein the polymer film has oxygen permeability of 10 to 80 cc/m2 day.

公开(公告)号：US11958986B2

公开(公告)日：2024-04-16

申请号：US17272026

申请日：2020-04-01

Applicant: LG CHEM, LTD.

Inventor： Jeehyon Min ,  Mingoo Kim ,  Miyeon Oh ,  Jinkyu Lee ,  Hong Shik Shim

IPC: C09D171/08 ,  C08K5/315 ,  C09D5/14 ,  C09D7/63 ,  C09D133/10 ,  C09D171/02

CPC classification number: C09D171/08 ,  C08K5/315 ,  C09D5/14 ,  C09D7/63 ,  C09D133/10 ,  C09D171/02

Abstract: The present disclosure relates to: an antibacterial polymer coating composition comprising a (meth)acrylic polyol resin, which has a number average molecular weight of 3,000-20,000, a (co)polymer containing an ethylene glycol repeating unit, and a photosensitizer; an antibacterial polymer film comprising a cured product of the antibacterial polymer coating composition; and an antibacterial polymer film which comprises a substrate layer and a photosensitizer, the substrate layer comprising a (meth)acrylic polyol resin having a number average molecular weight of 3,000-20,000 and a (co)polymer containing an ethylene glycol repeating unit, and the photosensitizer being dispersed in the substrate layer.

公开(公告)号：US12042757B2

公开(公告)日：2024-07-23

申请号：US17282102

申请日：2019-11-06

Applicant: LG CHEM, LTD.

Inventor： Hong Shik Shim ,  Byung Mook Kim ,  Jeehyon Min ,  Miyeon Oh ,  Jinkyu Lee ,  Mingoo Kim

IPC: A61L2/00 ,  B01D39/00 ,  B01D46/00 ,  B01D46/12 ,  B01D46/52 ,  B01D53/86

CPC classification number: B01D46/12 ,  B01D46/0028 ,  B01D46/0038 ,  B01D46/521 ,  B01D53/86 ,  B01D2255/20707 ,  B01D2255/2092 ,  B01D2255/802

Abstract: The present disclosure relates to an air-permeable light guide plate and an air purifying filter including the same, wherein the air-permeable light guide plate according to an embodiment of the present disclosure includes a light source located on at least one side surface, and a flat type plate through which light generated from the light source passes, wherein light is emitted in a direction perpendicular to a flat plate of the flat type plate, and the flat type plate has a plurality of openings.