公开(公告)号：US20230212355A1

公开(公告)日：2023-07-06

申请号：US17897692

申请日：2022-08-29

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Ji Hoon SHIN ,  Jeong Suk YUK ,  Sae Hume PARK ,  Nam Kyun KIM

IPC: C08G71/04

CPC classification number: C08G71/04 ,  C08G2170/40

Abstract: Provided are a method for preparing polyhydroxyurethane, polyhydroxyurethane prepared using the method and a pressure-sensitive adhesive comprising the polyhydroxyurethane. According to the present disclosure, it is possible to prepare polyhydroxyurethane in an eco-friendly manner using vegetable oil-derived dimer acid and carbon dioxide and to provide a pressure-sensitive adhesive including the polyhydroxyurethane.

公开(公告)号：US20230110936A1

公开(公告)日：2023-04-13

申请号：US17951317

申请日：2022-09-23

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Jihoon SHIN ,  Sae Hume PARK ,  Jeong suk YUK ,  Hyun Ho LEE

IPC: C08J5/04 ,  C08J5/18 ,  C08L1/02

Abstract: Provided are a bacterial nanocellulose transparent film, a manufacturing method thereof, and a packaging material including a food packaging material or an electronic product packaging material using the same capable of newly manufacturing a bacterial nanocellulose transparent film with an oxygen barrier property, a moisture barrier property, or a UV barrier property by performing electron beam irradiation and a film process on bacterial cellulose.

公开(公告)号：US20220259362A1

公开(公告)日：2022-08-18

申请号：US17665137

申请日：2022-02-04

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Jihoon SHIN ,  Sae Hume PARK ,  Jeong Suk YUK

IPC: C08F290/14 ,  C08G63/85 ,  C08G63/91 ,  C08G63/08

Abstract: Provided are a preparing method of a superelastomer, a superelastomer prepared using the same, and a molded article containing the superelastomer, and the superelastomer can be used as a biomaterial replacing soft tissues due to excellent strain at break and elastic recovery.