C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/5119, 400/70
C09D 5/44 (2006.01) C25D 13/06 (2006.01)
Patent
CA 1332088
CATIONIC ELECTROCOATING COMPOSITIONS Abstract of the Disclosure Cationic electrocoating compositions comprising a cationic electrodepositable resin and particular hydroxyl-free, alkylated polyethers dispersed in an aqueous medium are disclosed. Due to the presence of the polyethers, the compositions electrodeposit at high film builds with good smoothness. However, the polyethers do not result in detrimental effects with regard to the properties of the compositions such as rupture voltage and corrosion resistance of the resultant electrodeposited film. Also, the particular polyethers readily incorporate in the electrodeposition bath, are non-volatile and do not significantly build up in the electrodeposition bath during the electrodeposition process.
596101
Mccollum Gregory J.
Scriven Roger L.
Zwack Robert R.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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