Doped polyphenylene ether lubricant for high density information

Details Doped polyphenylene ether lubricant for high density information Doped polyphenylene ether lubricant for high density information

1982-06-17

1983-06-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 64, 428411, 428408, 428323, 428522, 252 347, 252 496, 252 515A, 252 515R, 252 52R, 346 76L, 346 77E, 3461351, 346137, 369275, 369276, 369286, 369288, B32B 302, G11B 370, G11B 572

Patent

active

043905790

ABSTRACT:
High density information discs comprising a conductive carbon-loaded polyvinylchloride disc are lubricated with a polyphenylene ether containing a polar dopant substituted with a long chain alkyl group in amounts sufficient to reduce surface tension of the polyphenylene ether to enable adequate wetting of the disc surface. The successful application of this doped lubricant provides the discs with excellent lubrication, highly resistant to oxidation, moisture and shear stress.

REFERENCES:
patent: 3833408 (1974-03-01), Matthies
patent: 3842194 (1974-10-01), Clemens
patent: 4275101 (1981-06-01), Wang et al.
patent: 4327140 (1982-04-01), Preston
patent: 4330583 (1982-05-01), Datta et al.

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