Inner perfluoropolyethereal lubricants for magnetic...

Details Inner perfluoropolyethereal lubricants for magnetic... Inner perfluoropolyethereal lubricants for magnetic...

C - Chemistry, Metallurgy

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M

253/113, 253/122

C10M 145/26 (2006.01) C08G 65/00 (2006.01) C08G 65/32 (2006.01) C08L 71/02 (2006.01) G11B 5/71 (2006.01)

Patent

CA 1284989

T. 3500 "INNER PERFLUOROPOLYETHEREAL LUBRICANTS FOR MAGNETIC RECORDING MEDIA". ABSTRACT Difunctional perfluoropolyethereal compounds having polar or non-polar hydrogenated end groups, suitable for being used as inner lubricants in the chemical formulation of the active layer of magnetic recording media, characterized by a solubility in methylethylketone at 20°C ranging from 0.05% to 2% by weight. - 1 -

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