Title:
ZINC-BASED PLATED STEEL MATERIAL HAVING EXCELLENT SEALER ADHESION AND COMPOSITION FOR FORMING POST-TREATMENT FILM
Document Type and Number:
WIPO Patent Application WO/2018/117759
Kind Code:
A2
Abstract:
Disclosed are: a zinc-base plated steel material comprising a base steel and a zinc-based plated layer and a post-treatment film, which are sequentially formed on the base steel, wherein the post-treatment film comprises an oxide or oxide salt of at least one group A element selected from B, Al, V, and Fe and an organic compound, wherein the content of oxygen atoms in the post-treatment film is 50 atom% or more, and wherein when the mole number of oxygen atoms forming a covalent bond with hydrogen in the post-treatment film is a and the mole number of oxygen atoms not forming the covalent bond with hydrogen is b, a/b is 0.3 or greater; and a composition for forming the post-treatment film.
More Like This:
Inventors:
KIM YEON-HO (KR)
KIM YONG-WOON (KR)
KIM YUNG-KEUN (KR)
SONG YON-KYUN (KR)
KIM YONG-WOON (KR)
KIM YUNG-KEUN (KR)
SONG YON-KYUN (KR)
Application Number:
PCT/KR2017/015402
Publication Date:
June 28, 2018
Filing Date:
December 22, 2017
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C23C14/08; C23C2/06; C23C2/26; C23C4/11; C23C14/16; C23C14/58; C23C16/40; C25D3/22; C25D5/48
Foreign References:
| KR20010074527A | 2001-08-04 | |||
| JP2014185381A | 2014-10-02 |
Other References:
See also references of EP 3561145A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
Download PDF: