Recording disks and process

Details Recording disks and process Recording disks and process

G - Physics

11

B

402/574, 18/99

G11B 7/24 (2006.01) G11B 5/70 (2006.01) G11B 5/73 (2006.01) G11B 5/84 (2006.01) G11B 7/253 (2006.01) G11B 7/26 (2006.01)

Patent

CA 1272845

ABSTRACT A recording disk for either optical or magnetic recording having improved dimensional stabi- lity as a result of reduced water absorption is at least partly made from a copolymer of a vinyl aromatic monomer and alpha-methylstyrene prepared by anionic polymerization at a temperature above 61°C.

514542

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