Radiation-cured magnetic media and process for making same

Details Radiation-cured magnetic media and process for making same Radiation-cured magnetic media and process for making same

1981-10-08

1984-05-15

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of polycarbonate

252 6254, 427 44, 427128, 427130, 428413, 4284259, 4284777, 428480, 428522, 428694, 428900, H01F 1002

Patent

active

044488467

ABSTRACT:
A magnetic medium having improved mechanical and magnetic properties comprising a nonmagnetic substrate coated with a magnetic binder composition composed of (a) a radiation-cured mixture of a high molecular weight thermoplastic polymer, such as a linear polyurethane of MW greater than 50,000, and a radiation-curable polyfunctional acrylate prepolymer and (b) magnetic particles dispersed in the radiation-cured mixture.

REFERENCES:
patent: 4260466 (1981-04-01), Shirahata et al.

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