Process for producing a sliding layer on the surface of an alumi

Details Process for producing a sliding layer on the surface of an alumi Process for producing a sliding layer on the surface of an alumi

1981-09-21

1983-04-26

Lawrence, Evan K.

Coating processes

With winding, balling, rolling, or coiling

Paper or felt base

427209, 427250, 427296, 427333, B05D 310, B05D 508

Patent

active

043813224

ABSTRACT:
To reduce scratches on the aluminum-covered front surface of a record carrier substrate having a back surface covered with a nitrocellulose lacquer, 0.1 to 2 percent by weight of a fatty acid, as referred to the weight of the wet lacquer, is added to the last applied layer of lacquer. When the record carrier is wound into a roll, the aluminum layer contacts and reacts with the fatty acid forming a sliding layer.

REFERENCES:
patent: 2971862 (1961-02-01), Baer et al.
patent: 3463659 (1969-08-01), Dragoon et al.
patent: 3620831 (1971-11-01), Gould
patent: 3698932 (1972-10-01), Dean
patent: 3786518 (1974-01-01), Atherton
patent: 4082594 (1978-04-01), Stonehouse

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