公开(公告)号：EP2060660B1

公开(公告)日：2015-02-25

申请号：EP07807179.2

申请日：2007-09-06

申请人： Nippon Steel & Sumitomo Metal Corporation

发明人： YAMAGUCHI, Shinichi ,  KUROSAKI, Masao ,  GOTO, Yasuto ,  KUMAGAI, Manabu ,  MIZUNO, Kensuke ,  KOZAKI, Takumi

IPC分类号： C23C22/48 ,  C23C22/07 ,  C23C22/08 ,  C23C22/34 ,  C23C22/36 ,  C23C22/58

CPC分类号： C23C22/58 ,  C23C22/08 ,  C23C22/34 ,  C23C22/36 ,  C23C2222/10

公开(公告)号：EP3305944A1

公开(公告)日：2018-04-11

申请号：EP16803532.7

申请日：2016-06-03

申请人： Nippon Steel & Sumitomo Metal Corporation ,  Nihon Parkerizing Co., Ltd.

发明人： FUJITA, Soshi ,  MAKI, Jun ,  YAMANAKA, Shintaro ,  KUROSAKI, Masao ,  SUZUKI, Tatsuya ,  MIZUNO, Kensuke ,  KOZAKI, Takumi ,  KODAMA, Takahiro

IPC分类号： C23C28/00 ,  B21D22/20 ,  C23C2/12

摘要： A surface treatment solution excellent in stability during storage forming a coating for treatment excellent in waterproofness, solvent resistance, and adhesion with a plated steel sheet and able to provide a surface treated steel sheet with hot-pressing lubricity, chemical convertability after hot-pressing, corrosion resistance after coating, and spot weldability, that is, a surface treatment solution for a plated steel sheet to be hot-pressed comprising a ZnO aqueous dispersion (A) and a water dispersible organic resin (B), wherein the ZnO aqueous dispersion (A) comprises water and ZnO particle size having 50 to 300 nm particles, the water dispersible organic resin (B) has a 5 to 45 mgKOH/g acid value and 5 to 300 nm emulsion particle size, and a mass ratio (W A /W B ) of a mass of ZnO particles in the ZnO aqueous dispersion (W A ) to a mass of solid content of the water dispersible organic resin (W B ) is 30/70 to 95/5.

摘要翻译： 本发明提供一种表面处理液，其在保存时的稳定性优异的同时形成防水性，耐溶剂性和与镀敷钢板的密合性优异的处理用涂膜，并且能够赋予热压润滑性的表面处理钢板，热压后的化学转化处理性， （A）和水分散性有机树脂（B）的热浸镀锌钢板用表面处理液，其中，所述ZnO水性分散液（A）和水分散性有机树脂（B） A）含有粒径为50〜300nm的水和ZnO粒子，水分散性有机树脂（B）的酸值为5〜45mgKOH / g，乳液粒径为5〜300nm，质量比（WA / WB ）的ZnO水分散体（WA）中的ZnO粒子的质量与水分散性有机树脂（WB）的固体成分的质量之比为30/70〜95/5。