Electrodeposition bath for zinc or zinc alloys

Electrodeposition bath for zinc or zinc alloys

direction of travel of the workpiece and a length parallel to the direction of travel of the workpiece. BLBCTNODBPOSI1110N BATN FOR ZINC ON ZINC ALLOY...

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direction of travel of the workpiece and a length parallel to the direction of travel of the workpiece. BLBCTNODBPOSI1110N BATN FOR ZINC ON ZINC ALLOYS

U.S. Patent 6,153,079. Nov. 28, 2000 G. I~am et al., assignors to Sollac, Puteaux, France

An a q u e o u s e l e c t r o d e p o s i t i o n bath based on chlorides for preparation of a coat based on zinc or zinc alloy, w h e r e i n the pH is higher than 4; the molar concentration of ions of zinc or zinc alloy is higher than i mole/liter, and which contains in solution at least one polyethylene glycol polymer.

P.R. Horinka et al., assignors to Morton International Inc., Chicago

P.A. Reynolds, assignor to Eco Solutions Ltd., North Somerset, U.K.

A method of coating the surface of a porous substrate with a coating powder to form a continuous uniform coating, said substrate including a first fluid in an amount that enhances the capacity of the substrate to carry an electrical charge, the method comprising preheating to between 130 and 300°F; exposing to an atomized second fluid; electrostatically applying a coating powder to the surface of the m o i s t e n e d substrate; and treating so as to form a uniform continuous coating.

An aqueous emulsion composition for plasticizing or softening paint, v a r n i s h , and s i m i l a r coatings prior to stripping the coating from a surface comprising an emulsified hydrophobic phase consisting of a plasticizing/softening mixture; an effective amount of at least one water-soluble block copolymer surfactant of more than one alkylene oxide to stabilize the emulsion; an aqueous phase including water in an amount sufficient to comprise the major portion of the composition; and said emulsified hydrophobic phase suspended in the aqueous phase.

POtNDIEll C O A T I N G

AQUEOUS C O M P O S I T I O N FOR P L A S T I C I Z I N G P A I N T PRIOR TO NIPPING

U.S. Patent 6,153,267. Nov. 28, 2000

U.S. Patent 6,153,573. Nov. 28, 2000

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