US 11,920,043 B2
Method of manufacturing non-sintered liquid metal ink
Hyoung Soo Kim, Daejeon (KR); Kwang Seok Park, Daejeon (KR); Jeong Su Pyeon, Daejeon (KR); and Hye Jun Jeon, Daejeon (KR)
Assigned to KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Daejeon (KR)
Appl. No. 17/768,708
Filed by KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Daejeon (KR)
PCT Filed Dec. 24, 2021, PCT No. PCT/KR2021/019827
§ 371(c)(1), (2) Date Apr. 13, 2022,
PCT Pub. No. WO2022/154312, PCT Pub. Date Jul. 21, 2022.
Claims priority of application No. 10-2021-0005073 (KR), filed on Jan. 14, 2021.
Prior Publication US 2023/0159771 A1, May 25, 2023
Int. Cl. C09D 11/037 (2014.01); B22F 1/054 (2022.01); B22F 9/08 (2006.01); C09D 7/80 (2018.01); C09D 11/033 (2014.01); C09D 11/106 (2014.01); C09D 11/52 (2014.01)
CPC C09D 11/037 (2013.01) [B22F 1/054 (2022.01); B22F 9/08 (2013.01); C09D 7/80 (2018.01); C09D 11/033 (2013.01); C09D 11/106 (2013.01); C09D 11/52 (2013.01); B22F 2202/01 (2013.01); B22F 2304/05 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method of manufacturing liquid metal ink comprising:
(a) inputting a solvent into liquid metal in a container at room temperature;
(b) performing oxide film-removing treatment on the liquid metal of step (a); and
(c) dispersing the liquid metal that has undergone step (b) in a form of nanoparticles through ultrasonic treatment,
wherein the solvent in the step (a) includes a 30 to 65% ethanol aqueous solution.