COATED METAL PLATE - NISSHIN STEEL CO LTD

Title:

COATED METAL PLATE

Document Type and Number:

WIPO Patent Application WO/2018/051524

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a coated metal plate that has excellent stain resistance, that does not cause interference patterns to occur, and that has excellent design properties. This coated metal plate comprises a metal plate having an average surface roughness Ra(metal plate) of 0.40 µm or less and a coating film that is formed on at least one surface of the metal plate, that substantially comprises a composition represented by the compositional formula K2O•xSiO2 (3.5 ≤ x ≤ 6.8), and that has an average thickness t of 0.2-3.0 µm. The average thickness t of the coating film and the average surface roughness Ra(coating film) of the coating film satisfy formula (1). Formula (1): Ra(coating film) ≥ 0.03 / t + 0.15.

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Inventors:

OWA KATSUMI
NAKANE YUGO
SUGITA SHUICHI

Application Number:

PCT/JP2016/077823

Publication Date:

March 22, 2018

Filing Date:

September 21, 2016

Export Citation:

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Assignee:

NISSHIN STEEL CO LTD (JP)

International Classes:

B32B9/00; B32B15/04; C09D1/02; C23C26/00; B05D7/14; B05D7/24

Domestic Patent References:

WO2000023528A1	2000-04-27
WO2000053689A1	2000-09-14

Foreign References:

JPH10330646A	1998-12-15
JPS5128650B1	1976-08-20
JPH01168870A	1989-07-04