Magnetic recording medium having radiation curable binder with .

Details Magnetic recording medium having radiation curable binder with . Magnetic recording medium having radiation curable binder with .

1994-12-12

1996-06-04

Resan, Stevan A.

Coating processes

Magnetic base or coating

Magnetic coating

427130, 427496, 427502, 252 6254, 428694BC, G11B 500

Patent

active

055231152

ABSTRACT:
The present invention provides magnetic recording media comprising a magnetizable layer and optionally a backside coating provided on a nonmagnetizable substrate. At least one of the magnetizable layer and the optional backside coating comprises a polymeric binder, wherein the polymeric binder is obtained from reactants comprising a free radical generator and a radiation curable polymer. The radiation curable polymer comprises a plurality of radiation curable, .alpha.-methylstyrene moieties of the formula ##STR1##

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Dexter et al., "m-TMI, A Novel Unsaturated Aliphatic Isocyanate", Journal of Coatings Technology, vol. 58, No. 737, pp. 43-47 (Jun. 1986).
Shirakawa, S. et al, Chemical Abstracts, 114(6) 44182n, (Feb. 1991).

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