Rigid magnetic recording disks lubricated with fluorinated telec

Details Rigid magnetic recording disks lubricated with fluorinated telec Rigid magnetic recording disks lubricated with fluorinated telec

1979-12-18

1981-05-19

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

3581285, 360135, 428 64, 428422, 428900, 428695, G11B 582

Patent

active

042685567

ABSTRACT:
Rigid magnetic recording disk is lubricated by a thin coating of a fluorinated telechelic polyether polymer having at least one polar group such as --CONHCH.sub.2 CH.sub.2 OH, --COOCH.sub.3, --CONHCH.sub.2 C.sub.6 H.sub.5, and --COCF.sub.3 . The coating is surprisingly resistant to removal by commonly used cleaning agents.

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patent: 4085137 (1978-04-01), Mitsch
patent: 4096079 (1978-06-01), Pardee
patent: 4097388 (1978-06-01), Snyder

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