Magnetic recording medium and process for producing the same
AssigneeFuji Photo Film Co., Ltd.
InventorsTsutomu Okita, Kyoichi Naruo
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Abstract
A magnetic recording medium and a process for producing a magnetic recording medium are disclosed, the process comprising the steps of applying onto a non-magnetic base a magnetic coating composition comprising (1) a compound having a carbon-carbon unsaturated bond polymerizable by electron beams, (2) a coupling agent having a carbon-carbon unsaturated bond, (3) ferromagnetic particles, and (4) an organic solvent, and curing the applied magnetic coating composition by irradiation with electron beams.
Claims9
A process for producing a magnetic recording medium which comprises the steps of applying onto a non-magnetic base a magnetic coating composition consisting essentially of (1) a compound having a carbon-carbon unsaturated bond polymerizable by electron beams, (2) a coupling agent having a carbon-carbon unsaturated bond selected from the group consisting of (a) a silane coupling agent wherein one terminal group of the silane molecule is a hydrogen or alkoxy and the other terminal group is an alkoxy group having an unsaturated group, and (b) a titanate coupling agent wherein at least one substituent in the titanate molecule is an alkoxy group and at least one other substituent is a substituent having an unsaturated bond, (3) ferromagnetic particles and (4) an organic solvent, and curing the applied magnetic coating composition by irradiation with electron beams.
A magnetic recording medium produced by the steps of applying onto a non-magnetic base a magnetic coating composition consisting essentially of (1) a compound having a carbon-carbon unsaturated bond polymerizable by electron beams, (2) a coupling agent having a carbon-carbon unsaturated bond selected from the group consisting of (a) a silane coupling agent wherein one terminal group of the silane molecule is a hydrogen or alkoxy and the other terminal group is an alkoxy group having an unsaturated group, and (b) a titanate coupling agent wherein at least one substituted in the titanate molecule is an alkoxy group and at least one other substituent is a substituent having an unsaturated bond, (3) ferromagnetic particles, and (4) an organic solvent, and curing the applied magnetic coating composition by irradiation with electron beams.
Dependencies are inferred from the claim text.