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Title:
COLORED RESIN COATED STEEL SHEET EXCELLENT IN FADING RESISTANCE
Document Type and Number:
Japanese Patent JP2000107684
Kind Code:
A
Abstract:

To improve fading resistance by coating at least one face of a luster zinc alloy plated steel sheet with a colored resin obtained by incorporating specified amounts of a colorant and a UV absorber into a matrix resin in a specified thickness and making the luster zinc alloy plating the luster plating consisting of a prescribed ternary alloy.

A luster plated steel sheet such as a luster, zinc alloy plated steel is used as a steel sheet being a substrate to be coated with a colored steel sheet is used as a steel sheet being a substrate to be coated with a colored resin. The luster, zinc alloy plating is formed as luster plating consisting of a Zn-Co-Mo ternary alloy. Then, at least one face of the such steel sheet is coated with a colored resin consisting of 100 pts.wt. matrix resin, 0.3-45 pts.wt. colorant and 1-4 pts.wt. UV absorber in 0.2-3.0 μm thickness to form the objective colored resin coated steel sheet. In this case, in order to improve adhesion to the resultant colored resin layer and rust resistance, the top of the plating layer may be applied to chromate treatment or the like.


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Inventors:
KOMAI MASAO
YOSHIKAWA MASAKI
FUJIMOTO JUNICHI
NISHIMURA TAKAO
KANEKO NORIYUKI
FUJIMOTO TERUNORI
KOIKE KAZUYUKI
Application Number:
JP29137998A
Publication Date:
April 18, 2000
Filing Date:
September 30, 1998
Export Citation:
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Assignee:
TOYO KOHAN CO LTD
International Classes:
B05D7/14; B05D7/24; C25D5/26; C25D5/52; (IPC1-7): B05D7/14; B05D7/24; C25D5/26; C25D5/52
Attorney, Agent or Firm:
Akio Ota