公开(公告)号：US20250051608A1

公开(公告)日：2025-02-13

申请号：US18627147

申请日：2024-04-04

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon MOON ,  Seong Jin KIM ,  Young A LEE ,  CHAN YOUNG OH ,  Sang-Jin PARK

IPC: C09D179/04

Abstract: Provided is a polydopamine composite material according to the concept of the present invention, wherein the polydopamine composite material includes a substrate with first nano-protrusions formed on a surface thereof, and a polydopamine layer on the surface of the substrate. The polydopamine layer includes second nano-protrusions protruding in a direction perpendicular to the surface of the substrate.

公开(公告)号：US20190257050A1

公开(公告)日：2019-08-22

申请号：US16127165

申请日：2018-09-10

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon MOON ,  Kwang Ryeol LEE ,  O Chang KWON ,  Seohyun CHO ,  Young A LEE

IPC: E02B15/08

Abstract: The present disclosure relates to a fence having a hydrophilic material, and according to an embodiment of the present disclosure, there is an effect in collecting oil or hazardous & noxious substances quickly and efficiently while minimizing the pressure caused by water, by forming the fence from a material that allows water to penetrate while disallowing oil to penetrate.Additionally, there is an effect in preventing oil spill phenomena caused by damage or unbalance of the fence by reducing the water pressure applied to the fence due to water penetration even when a strong water pressure acts on the fence, for example, strong tidal currents occur and the fence is towed at high speeds to collect oil.

公开(公告)号：US20170130034A1

公开(公告)日：2017-05-11

申请号：US15099114

申请日：2016-04-14

Applicant: Korea Institute of Science and Technology

Inventor： Junyeon HWANG ,  Seung Gyu PARK ,  Jin Seong LIM ,  Wonjin JO ,  Heon Ju LEE ,  Myoung-Woon MOON ,  Bon-Cheol KU

IPC: C08K9/10 ,  B29C47/00

CPC classification number: C08K9/10 ,  B29C47/0004 ,  B29C47/0014 ,  B29C47/0057 ,  B29C47/92 ,  B29C2947/92704 ,  B29C2947/92904 ,  B33Y70/00 ,  C08K3/041 ,  C08K9/02 ,  C08K2003/085 ,  C08K2201/011 ,  C08L67/04

Abstract: The present invention relates to a 3D printer polymer filament improving strength of a polymer resin and providing durability by using graphene coated metal nanoparticles and carbon nanotubes, and expressing a function of the graphene coated metal nanoparticles and the carbon nanotubes as a filler, and a manufacturing method thereof.Accordingly, according to the present invention, the 3D printer polymer filament and the manufacturing method includes mixing the graphene coated metal nanoparticles, the carbon nanotubes, and the polymer, using the manufactured mixture to form a filament through extrusion, and forming a 3D printed article by using the filament, thereby improving the strength and the durability by using the graphene coated metal nanoparticles and the carbon nanotubes.

公开(公告)号：US20240165586A1

公开(公告)日：2024-05-23

申请号：US18458009

申请日：2023-08-29

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Jin KIM ,  Myoung-Woon MOON ,  Min Seong KANG ,  Seohyun CHO ,  Geunhyeok CHOI ,  Youngjin LEE ,  YOUNG A LEE ,  CHAN YOUNG OH

IPC: B01J20/28 ,  B01D15/02 ,  B01J20/24 ,  B01J20/26 ,  C02F1/28

CPC classification number: B01J20/28092 ,  B01D15/02 ,  B01J20/24 ,  B01J20/261 ,  B01J20/28023 ,  B01J20/28085 ,  C02F1/285 ,  C02F2103/007

Abstract: Provided is a microplastic recovery material according to an embodiment of the inventive concept including a porous structure including a first hierarchical pocket provided in an outer surface thereof, and a nano-protrusion provided on the outer surface. The first hierarchical pocket includes a first pocket and a second pocket that are connected to each other. The first pocket has a diameter of about 1 mm to about 5 mm. The second pocket has a diameter of about 1 μm to about 100 μm.

公开(公告)号：US20240157331A1

公开(公告)日：2024-05-16

申请号：US18300285

申请日：2023-04-13

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Jin KIM ,  CHAE YOUNG AHN ,  Myoung-Woon MOON ,  Sangyeob LEE

IPC: B01J20/28 ,  B01J20/32

CPC classification number: B01J20/28045 ,  B01J20/28007 ,  B01J20/3236 ,  B01J20/3274 ,  B01J20/3295

Abstract: Provided is an oil-sorbent including a hydrophilic structure. The hydrophilic structure includes a plurality of macro pores. The macro pores have an average diameter of at least about 2 mm. An oil-sorbent includes a hydrophilic structure including a plurality of macro pores. The hydrophilic structure has an open-porous structure and has a porosity of at least 70%.

公开(公告)号：US20210043182A1

公开(公告)日：2021-02-11

申请号：US16937582

申请日：2020-07-24

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon MOON ,  O-Chang KWON

IPC: G10K11/162

Abstract: A sound absorption device and a method of manufacturing the same are provided. The sound absorption device includes a sound absorbing panel including first elements, second elements, third elements, and fourth elements arranged in different directions, wherein a cross-section of at least one of the first through fourth elements has a distorted circular shape, a distorted polygonal shape, or a distorted elliptical shape.

公开(公告)号：US20190255467A1

公开(公告)日：2019-08-22

申请号：US16127162

申请日：2018-09-10

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon MOON ,  Kwang Ryeol LEE ,  Seohyun CHO ,  Young A LEE ,  O Chang KWON

IPC: B01D29/25 ,  B01D17/04

Abstract: The present disclosure relates to a rotating type foreign substance collection equipment, and according to an embodiment of the present disclosure, there is an effect in separating and collecting foreign substances such as oil from foreign substance-fluid mixtures at high speeds by the separation membrane that traps foreign substances such as oil that float in water while allowing sea water or river water to pass through and be discharged.

公开(公告)号：US20250051976A1

公开(公告)日：2025-02-13

申请号：US18637842

申请日：2024-04-17

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon MOON ,  Seong Jin KIM ,  Young A LEE ,  Chan Young OH ,  Cho Hee LEE

IPC: D02G3/36 ,  D02G3/02 ,  D02G3/40 ,  D06M15/05 ,  D06M15/61 ,  D06M101/06 ,  D06M101/32

Abstract: Provided is a fiber composite structure including a plurality of twisted fiber bundles, wherein each of the fiber bundles includes a plurality of fiber strands, an adhesive coated on the fiber strands, and a functional particle interposed between the fiber strands. The functional particle includes a material different from that of the fiber strands. The adhesive includes polydopamine.

公开(公告)号：US20230011081A1

公开(公告)日：2023-01-12

申请号：US17860673

申请日：2022-07-08

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon MOON ,  Hyesung CHO ,  Cho-hee LEE ,  Taegeun KIM ,  Haeshin LEE ,  Younseon WANG ,  Yunhan LEE

IPC: B29C64/112 ,  C08L1/02 ,  C08L5/08 ,  C08L79/02 ,  C08L79/08

Abstract: Provided are a cellulose composite material, a three-dimensional (3D) printing material and a 3D printing structure including the cellulose composite material, and a method of manufacturing a 3D printing structure using the cellulose composite material. The cellulose material may be used as a 3D printable eco-friendly material using cellulose that is an eco-friendly natural material and a compound having a catechol group that is derived from nature, and a structure implemented with 3D printing has excellent tensile strength or compressive strength.

公开(公告)号：US20200316881A1

公开(公告)日：2020-10-08

申请号：US16842841

申请日：2020-04-08

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon MOON ,  Young A LEE

IPC: B29C71/04

Abstract: Provided is a polymeric material having a micro-nano composite structure, a device including the same, and a method of manufacturing the polymeric material. The polymeric material includes a polymer fiber or film, wherein the polymer fiber or film has, on a surface thereof, a micro-nano composite structure including a microstructure containing concavo-convex grooves having a microscale semi-cylindrical shape (“”) and a nanopattern containing nanoscale protrusions formed on a surface of the microstructure. The polymeric material has excellent absorbency and hydrophilic or super-hydrophilic surface properties, and also has oleophobic or super-oleophilic properties in water, and thus may be effectively applied to fields such as oil-water separation, purification, and filters. The polymeric material may be readily manufactured through an environmentally friendly, large-area atmospheric pressure plasma process.