公开(公告)号：US10066125B2

公开(公告)日：2018-09-04

申请号：US15156644

申请日：2016-05-17

Applicant: Korea Institute of Science and Technology

Inventor： Yong Chae Jung ,  Eun Sil Lee ,  Daun Lim ,  Cheol-Min Yang ,  Jaesang Yu ,  Seong Yun Kim ,  Junyeon Hwang ,  Hun-su Lee ,  Min Park

IPC: C09D197/00 ,  C08K3/04 ,  C08L29/04

Abstract: Disclosed is an ultrafine fiber including lignin, a carrier polymer and a carbon material. The ultrafine fiber, which includes lignin, can exhibit the properties of lignin such as antibacterial property, biodegradability, etc. Accordingly, it can be used widely in medical materials such as nanofiber, nanofiber web, nanofiber sheet, etc. for wound healing of the skin's dermal layer. Also, the ultrafine fiber can be used in sheath of electric cables because it contains a carbon material and has superior conductivity. In addition, because the ultrafine fiber can hold a large quantity of water, it can be used in various fields including sanitary pads for women, diapers for babies and adults, etc.

公开(公告)号：US11555253B2

公开(公告)日：2023-01-17

申请号：US17405018

申请日：2021-08-17

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hun-su Lee ,  Jaewoo Kim ,  Un-Seok Jung ,  Yoonsang Kim ,  Yongchae Jung ,  Jaesang Yu ,  Yongseok Choi

IPC: C25D11/00 ,  C25D21/12 ,  C25D21/04 ,  C25D21/02 ,  C25D11/02 ,  C25D17/00

Abstract: In a plasma electrolytic oxidation apparatus and a method of plasma electrolytic oxidation using the plasma electrolytic oxidation apparatus, the plasma electrolytic oxidation apparatus includes a chamber and an electrode unit. The chamber is configured to receive an electrolyte. The electrode unit is configured to receive the electrolyte from the chamber and to treat an object with a plasma electrolytic oxidation treatment. The electrode unit includes an electrode, an enclosing part and a cover. The electrode is configured to receive a voltage from outside, and to form a receiving space in which the electrolyte is received between the electrode and the object. The enclosing part is configured to enclose a gap between the electrode and the object. The cover is configured to cover the electrode.