High-density information disc lubricants

Details High-density information disc lubricants High-density information disc lubricants

1983-12-09

1985-06-25

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

252 496, 252 498, 369276, 369286, 369288, 428 65, 428447, 428704, 428702, 3461351, G11B 370, B32B 302

Patent

active

045254028

ABSTRACT:
A titanium coupling agent of the formula ##STR1## wherein R.sub.3 is methyl, ethyl or isopropyl and R.sub.4 and R.sub.5 are long chain alkyl groups of 8-20 carbon atoms, when added to a fractionated methyl alkyl siloxane lubricant for capacitive electronic discs, improves the playback performance of the discs.

REFERENCES:
patent: 4275101 (1981-06-01), Wang et al.
patent: 4330583 (1982-05-01), Datta et al.
patent: 4340629 (1982-07-01), Hillenbrand
patent: 4342660 (1982-08-01), Berry
patent: 4346468 (1983-03-01), Preston
patent: 4346469 (1982-08-01), Hillenbrand
patent: 4351048 (1982-09-01), Berry
patent: 4355062 (1982-10-01), Wang et al.
patent: 4377140 (1982-04-01), Preston
patent: 4383961 (1983-05-01), Nyman et al.
patent: 4416789 (1983-11-01), Shidlousky
patent: 4444820 (1984-04-01), Datta
patent: 4448848 (1984-05-01), Okita
patent: 4486325 (1984-12-01), Polinak

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