Method for the production of aluminum coatings

Abstract

Abstract IMPROVED FILM-FORMING ORGANIC RESIN PAINT AQUEOUS BINDER REPLENISHMENT CONCENTRATED COMPOSITION ADAPTED FOR DISPERSING IN AN AQUEOUS ELECTROCOATING BATH CONTAINING SUSPENDED ALUMINUM POWDER AND SUFFICIENT ADDITIONAL WATER-SOLUBLE AMINO COMPOUND TO IMPART ANIONIC POLYELECTROLYTE BEHAVIOR IN SAID BATH TO RESIN IN SAID BINDER CONCENTRATE COMPOSITION, SAID BINDER CONCENTRATE COMPOSITION COMPRISING: (I) ABOUT 10-50 PERCENT WEIGHT OF A NON-HEAT REACTVE PHENOL-ALDEHYDE RESIN; AND (II) ABOUT 50-90 PERCENT BY WEIGHT OF A A COPOLYMER, SAID COPOLYMER COMPRISING: (A) ABOUT 50-85 PERCENT BY WEIGHT OF AN ESTER OF METHACRYLIC ACID OR ACRYLIC ACID WITH AN ALCOHOL HAVING 1-10 CARBON ATOMS; (B) ABOUT 5-20 PERCENT BY WEIGHT OD DRYING OILS OR DRYING OIL FATTY ACIDS CONTAINING OLEFINICALLY UNSATURATED FATTY ACIDS; (C) ALBOUT 5-15 PERCENT BY WEIGHT OF AN A,B-OLEFINICALLY UNSATURATED CARBOXYLIC ACID HAVING 3-5 CARBON ATOMS; (D) ABOUT 3-20 PERCENT BY WEIGHT OF METHACRYLAMIDE, ACRYLAMIDE, METHYLOL METHACRYLAMIDE, METHYLOL ACRYLAMIDE, AN ETHER OF METHYLOL METHACRYLAMIDE WITH AN ALCOHOL HAVING 1-8 CARBON ATOMS, AN ETHER OF METHYLOL ACRYLAMIDE HAVING 1-8 CARBON ATOMS OR A MIXTURE THEREOF; AND OPTIONALLY (E) UP TO 20 PERCENT BY WEIGHT OF FURTHER COPOLYMERIZABLE OLEFINICALLY UNSATURATD COMPOUNDS.

Inventors

• 👤 P Fritsche

Bibliographic Details