Magnetic recording media

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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20415915, 20415916, 20415919, 20415922, 428402, 428413, 4284231, 4284237, 4284259, 428480, 428692, 428694, 428900, 428928, C08F 246

Patent

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045604568

ABSTRACT:
Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 70 to 90% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 10 to 30% by weight of one or more copolymerizable compounds.

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patent: 4460653 (1984-07-01), Azegami et al.
patent: 4477531 (1984-10-01), Kohler et al.
DePalma et al., IBM Technical Disclosure Bulletin 25 (1982), No. 7B, p. 3696.

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