Video disc lubricants

Details Video disc lubricants Video disc lubricants

G - Physics

11

B

202/101, 253/64,

G11B 5/74 (2006.01) C07F 7/20 (2006.01) G11B 23/50 (2006.01)

Patent

CA 1128922

ABSTRACT Molecular distillation of methyl alkyl siloxanes of the formula Image wherein R1 and R2 are alkyl groups of 4 - 20 carbon atoms and m and p are integers to produce a distillate having a molecular weight fraction wherein the sum of m and p is about 4, produces an improved lubricant for the video disc, a lubricant that is stable to long term storage and to wide variations in temperature and relative humidity.

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