Corrosion resistant coating from water thinnable aminoethylated

Details Corrosion resistant coating from water thinnable aminoethylated Corrosion resistant coating from water thinnable aminoethylated

1978-05-19

1980-04-08

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 37M, 260 4222, C08L 6300

Patent

active

041972317

ABSTRACT:
A water soluble coating composition having flash-rusting inhibiting qualities when used on ferrous metal surfaces and improved moisture resistance and film impermeability. The coating composition basically comprises a prior art water miscible solvent, and acidified aminoethylated 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 alumimum or stainless steel is employed. The acidified aminoethylated vinyl polymer is one having pendant aminoethyl groups of the formula ##STR1## wherein R.sub.1 and R.sub.2 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 interpolymer 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.

REFERENCES:
patent: 3634372 (1972-01-01), McFadden
patent: 3719629 (1973-03-01), Martin et al.
patent: 3954482 (1976-05-01), Novack
Dow Chemical Company; Dow Experimental Curing Agent XD-7080, A Revolutionary Approach to Water-Borne, Acrylic-Epoxy Coatings; 1977.
Young; Novel Ambient-Cured, Water-Borne, Acrylic-Epoxy Coatings; Journal of Coatings Technology; vol. 49, No. 632, Sep. 1977.

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