Water-based rust preventive pigment, water-based rust preventive paint, and highly corrosion resistant surface-treated chain
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United States of America Patent
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Apr 9, 2013
Grant Date -
Feb 18, 2010
app pub date -
Sep 5, 2007
filing date -
Sep 6, 2006
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Abstract
A chain component part has a first coating film formed on an iron base material using a water-based rust preventive paint containing a water-based rust preventive pigment containing a nitrate and having good storing stability. Since zinc is eluted earlier, generation of red rust caused by iron is suppressed, and thus durability is improved. A roller chain includes a zinc-iron alloy ground layer formed on an iron base material by impact zinc plating, a first coating film formed using the water-based rust preventive paint, and a second coating film formed using a water-based top coat paint containing a water-based pigment and a water-soluble or hydrolyzable silane coupling agent containing an amino group.
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