Method of making a metallic soap layer as a gliding layer on a m

Details Method of making a metallic soap layer as a gliding layer on a m Method of making a metallic soap layer as a gliding layer on a m

1984-01-18

1985-09-03

Lawrence, Evan K.

Coating processes

With winding, balling, rolling, or coiling

Paper or felt base

427209, 427250, 427333, 427404, 427411, 4274198, B05D 310, B05D 508

Patent

active

045392277

ABSTRACT:
A sufficiently thick gliding layer is produced on the recording surface of a record carrier of the type comprising an aluminum layer applied over a lacquer layer coated on a support layer. The back surface of the support layer is also coated with a lacquer layer. A fatty acid or a mixture of fatty acids is admixed with one of the two lacquer layers and a metal-diketone or a metal-keto-ester is admixed with the other lacquer layer in approximately in a stoichiometric ratio to the fatty acid. Following the coating of the material with aluminum in a vacuum, the record carrier material is wound into a roll, and stored.

REFERENCES:
patent: 4381322 (1983-04-01), Bahr et al.
patent: 4387119 (1983-06-01), Bahr et al.

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