Bis(hydroxyalkyl)disiloxanes and lubricant compositions thereof

Details Bis(hydroxyalkyl)disiloxanes and lubricant compositions thereof Bis(hydroxyalkyl)disiloxanes and lubricant compositions thereof

1981-02-05

1982-10-19

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

252 27, 346137, 369286, 428419, 428447, B32B 302, G01D 1534

Patent

active

043550622

ABSTRACT:
Bis(hydroxyalkyl)disiloxane lubricants of the formula ##STR1## wherein R.sub.1 and R.sub.3 are methyl or ethyl and R.sub.2 and R.sub.4 are linear alkyl groups of up to 20 carbon atoms. These compounds are useful as additives to methyl alkyl siloxane lubricants for conductive high density information discs. Discs lubricated with the lubricant mixture exhibit improved stability to environments of high temperature and high relative humidity.

REFERENCES:
patent: 3833408 (1974-09-01), Matthies
patent: 3842194 (1974-10-01), Clemens
patent: 4025693 (1977-05-01), Milne
patent: 4228050 (1980-10-01), Martin et al.
patent: 4275101 (1981-06-01), Wang et al.

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