C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/1702, 400/42
C09D 163/00 (2006.01) C08G 59/14 (2006.01) C08G 59/22 (2006.01)
Patent
CA 1166390
Abstract: A coating composition suitable for rusty steel comprises separate components A and B. Component A contains a polyglycidyl ether of a bisphenol having an epoxy equivalent weight between about 170 and about 200 diluted with between about 10 weight percent and about 20 weight percent of butyl glycidyl ether; an organic thixotropic agent; a liquid polyglycidyl ether of a bisphenol having an epoxy equivalent weight between about 170 and about 210; a coumarone-indene resin having a softening point between about 40°F. and about 60°F.; a urea-formaldehyde resin; leafing aluminum paste; and 2-nitropropane. Component B contains a polyamlde having a base number between about 300 and about 360; N-oleyl-1,3-propylenediamine oleate; a coumarone-indene resin havlng a softening point between about 40°F. and about 60°F.; microcrystalline silica; and 2,4,6-tris-(dimethyl- aminomethyl) phenol. Components A and B are mixed and thinned with an aromatic hydrocarbon solvent immediately prior to application.
400337
Gowling Lafleur Henderson Llp
Mobil Oil Corporation
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