Patent · US Expired

Resin coated metal sheet

US7033678B2 · kind B2 · utility

2Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 2004
Grant dateApr 25, 2006
Priority date
Expiry dateApr 26, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31681
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A resin coated metal sheet of the invention has an epoxy resin layer on a galvanized metal sheet, wherein the resin layer contains iron phosphide and at least one selected from the group consisting of aluminum triphosphate, calcium ion exchange silica and amorphous magnesium silicate compound. In the resin coated metal sheet, the epoxy resin is an urethane modified epoxy resin and/or dimer acid modified epoxy resin, and the iron phosphide has a maximum particle diameter of 15 μm or less. The resin coated metal sheet has excellent weldability, formability and corrosion resistance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.