公开(公告)号：WO2013002882A1

公开(公告)日：2013-01-03

申请号：PCT/US2012/033996

申请日：2012-04-18

Applicant: PPG INDUSTRIES OHIO, INC.

Inventor： KABAGAMBE, Benjamin ,  BUCHANAN, Michael J. ,  SCOTT, Matthew S. ,  REARICK, Brian K. ,  MEDWICK, Paul A. ,  MCCAMY, James W.

IPC: G02B5/08 ,  H01L31/052 ,  C03C17/36

CPC classification number: C03C17/38 ,  C03C17/42 ,  C03C2217/445 ,  C03C2217/465 ,  C03C2217/479 ,  G02B5/0808 ,  H01L31/0547 ,  Y02E10/52

Abstract: The present invention relates to reflective articles, such as solar mirrors, that include a sacrificial cathodic layer. The reflective article, more particularly includes a substrate (41), such as glass, having a multi - layered coating thereon that includes a lead- free sacrificial cathodic layer (29). The sacrificial cathodic layer (29) includes at least one transition metal, such as a particulate transition metal, which can be in the form of flakes (e.g., zinc flakes). The sacrificial cathodic layer can include an inorganic matrix formed from one or more organo - titanates. Alternatively, the sacrificial cathodic layer can include an organic polymer matrix (e.g., a crosslinked organic polymer matrix formed from an organic polymer and an aminoplast crosslinking agent). The reflective article also includes an outer organic polymer coating (32), that can be electrodeposited over the sacrificial cathodic layer (29).

Abstract translation: 本发明涉及包括牺牲阴极层的反射制品，例如太阳镜。 反射制品更具体地包括其上具有多层涂层的诸如玻璃的基底（41），其包括无铅牺牲阴极层（29）。 牺牲阴极层（29）包括至少一种过渡金属，例如粒状过渡金属，其可以是片状（例如锌片）的形式。 牺牲阴极层可以包括由一种或多种有机钛酸盐形成的无机基质。 或者，牺牲阴极层可以包括有机聚合物基质（例如，由有机聚合物和氨基塑料交联剂形成的交联的有机聚合物基质）。 反射制品还包括可以电沉积在牺牲阴极层（29）上的外部有机聚合物涂层（32）。