Video disc lubricants

Details Video disc lubricants Video disc lubricants

G - Physics

11

B

352/21, 253/64

G11B 3/70 (2006.01) G11B 3/68 (2006.01)

Patent

CA 1135843

RCA 73,676 VIDEO DISC LUBRICANTS ABSTRACT OF THE DISCLOSURE Siloxanes of the formula Image wherein R3 and R3? independently at each occurrence are long chain alkyl groups and m is an integer of 0 or 1, can be employed as lubricants for video discs. The lubri- cants are stable to long term storage and to wide varia- tions in temperature and humidity.

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