公开(公告)号：US20240052519A1

公开(公告)日：2024-02-15

申请号：US18267014

申请日：2021-12-09

Applicant: POSCO Co., Ltd

Inventor： Hye-Jin Yoo ,  Chang-Se Byeon ,  Jung-Su Kim ,  Je-Hoon Baek ,  Kang-Min Lee

IPC: C25F3/02 ,  B32B15/08 ,  B32B15/18 ,  B32B37/06 ,  B32B38/10 ,  B32B37/10

CPC classification number: C25F3/02 ,  B32B15/08 ,  B32B15/18 ,  B32B37/06 ,  B32B38/10 ,  B32B37/10 ,  B32B2255/06 ,  B32B2255/205 ,  B32B2311/20 ,  B32B2311/30

Abstract: The present invention relates to a composite steel sheet having excellent adhesiveness, and a manufacturing method therefor, and, more particularly, to a light composite steel sheet obtained by forming microstructures on the surface and inside of a plated steel sheet, and then bonding same with a plastic layer to maximize adhesiveness.