초록 ▼

A magnetic recording medium comprising a lubricating layer comprising a fluorine-containing alkylsuccinic acid diester of the formula: [Figure] wherein R1 is an aliphatic alkyl or alkenyl group, and one of R2 and R3 is a fluoroalkylether group and the other is a fluoroalkyl group, a fluoroalkenyl gr

A magnetic recording medium comprising a lubricating layer comprising a fluorine-containing alkylsuccinic acid diester of the formula: [Figure] wherein R1 is an aliphatic alkyl or alkenyl group, and one of R2 and R3 is a fluoroalkylether group and the other is a fluoroalkyl group, a fluoroalkenyl group, a fluorophenyl group, an aliphatic alkyl group or an aliphatic alkenyl group, which has excellent lubricity in an atmosphere having low to high humidity.

대표청구항 ▼

A magnetic recording medium comprising a non-magnetic substrate, a ferromagnetic metal layer formed thereon and a lubricating layer comprising a fluorine-containing alkylsuccinic acid diester of the formula [Figure] wherein R1 is an aliphatic alkyl or alkenyl group each of said groups having 6 to 30

A magnetic recording medium comprising a non-magnetic substrate, a ferromagnetic metal layer formed thereon and a lubricating layer comprising a fluorine-containing alkylsuccinic acid diester of the formula [Figure] wherein R1 is an aliphatic alkyl or alkenyl group each of said groups having 6 to 30 carbon atoms, one of R2 and R3 is a fluoroalkylether group having 5 to 50 carbon atoms and the other is a fluoroalkyl group, a fluoroalkenyl group, a fluorophenyl group, an aliphatic alkyl group or an aliphatic alkenyl group, each of said groups having 30 or less carbon atoms.