C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
31/46
C08L 63/00 (2006.01) C09D 5/10 (2006.01) C09D 133/14 (2006.01) C09D 163/00 (2006.01) C09K 15/00 (2006.01)
Patent
CA 1096155
Doc 218? CORROSION RESISTANT COATING FROM WATER THINNABLE AMINOETHYLATED INTERPOLYMERS Abstract: A water soluble coating composition having flash- rusting inhibiting qualities when used on ferrous metal surfaces and improved moisture resistance and film im- permeability. The coating composition basically comprises a prior art water miscible solvent, and acidified amino- ethylated vinyl polymer dissolved in the solvent and epoxy resin. To inhibit flash-rusting a rust inhibiting pigment selected from the group consisting of finely divided metallic aluminum or stainless steel is employed. The acidified aminoethylated vinyl polymer is one having pendant aminoethyl groups of the formula Image Wherein R1 and R2 are independently selected from the group consisting of hydrogen and lower alkyl radicals of one to four carbon atoms and the average of n ranges from about 1.0 to about 2.5 and wherein the inter- polymer before aminoethylation contains at least 3 percent by weight pendant -COOH groups and further wherein said aminoethyl groups are reacted with sufficient acid to impart water solubility to the interpolymer.
322593
Osler Hoskin & Harcourt Llp
Steelcote Manufacturing Company
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