Polymeric perfluoro polyether silyl ether lubricant topcoat

Details Polymeric perfluoro polyether silyl ether lubricant topcoat Polymeric perfluoro polyether silyl ether lubricant topcoat

1997-01-21

1999-10-05

Resan, Stevan A.

Stock material or miscellaneous articles

Composite

Of polyisocyanurate

428447, 428694TF, 428900, G11B 0571

Patent

active

059621419

ABSTRACT:
The degree of bonding of a perfluoro polyether lubricant topcoat to various protective overcoats of magnetic recording media is improved by forming a silyl ether of the perfluoro polyether lubricant. The degree of bonding of the lubricant topcoat to a particular protective overcoat is optimized and controlled by selecting a silyl ether end group having a high affinity for the protective overcoat.

REFERENCES:
patent: 4120995 (1978-10-01), Phipps et al.
patent: 4849305 (1989-07-01), Yanagisawa
patent: 4889939 (1989-12-01), Caporiccio et al.
patent: 5493044 (1996-02-01), Schwindeman

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