High density information disc lubricants

Details High density information disc lubricants High density information disc lubricants

1981-08-27

1982-09-21

Lesmes, George F.

Dynamic information storage or retrieval

Storage medium structure

Specified material

556425, 369286, 252 34, 252 496, 3581285, 346137, 3461351, 428 64, 428 65, 428447, 428451, 428408, 428161, G11B 370, C07F 718

Patent

active

043510485

ABSTRACT:
High density information discs are lubricated with a silyl quaternary ammonium salt of the formula ##STR1## wherein R is a lower alkyl group of 1-5 carbon atoms; R.sub.3 is methyl or ethyl; R.sub.4 is an alkyl group of 1-12 carbon atoms and X is --OSO.sub.2 --(CH.sub.2).sub.n CH.sub.3 wherein n is an integer of 5-12. Discs lubricated with this lubricant exhibit improved stability to high temperature, high relative humidity environments.

REFERENCES:
patent: 3833408 (1974-09-01), Matthies
patent: 4127872 (1978-11-01), Lo
patent: 4216970 (1980-08-01), Wang et al.
patent: 4275101 (1981-06-01), Wang et al.

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