Polyester-backed magnetic recording tape having epoxy...

Details Polyester-backed magnetic recording tape having epoxy... Polyester-backed magnetic recording tape having epoxy...

G - Physics

11

B

352/31.2

G11B 5/62 (2006.01) G11B 5/738 (2006.01)

Patent

CA 1138991

Abstract of the Disclosure Cationically polymerized epoxy resin subbing layer for the magnetizable coating of polyester-film- backed magnetic recording tape acts as a barrier against extraction and migration of low-molecular-weight compo- nents of the polyester film backing which otherwise would tend to crystallize on the surface of the magnetizable coating.

342661

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