Method for the preparation of additives in organo-aluminum elect

Details Method for the preparation of additives in organo-aluminum elect Method for the preparation of additives in organo-aluminum elect

1978-01-27

1979-03-13

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204DIG2, C25D 302, C25D 344

Patent

active

041441400

ABSTRACT:
The invention concerns a method for the preparation of additives for influencing the electrocrystalline growth in aprotic oxygen- and water-free organo-aluminum electrolyte media. A compound which contains a sulfonimide or sulfonamide group as the reactable group, preferably, N-benzoylbenzenesulfonimide, optionally in the presence of an inert organic solvent, is reacted with at least one organoaluminum compound of the general formula AlR.sub.3, where R is an alkyl radical, in the ratio of 1:1 to 1:6.
The additives obtained furnish a bright aluminum coating on metals and conductive materials in direct electrodeposition.

REFERENCES:
patent: 4032413 (1977-06-01), Dotzer et al.

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